./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/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 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:49:48,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:49:48,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:49:48,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:49:48,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:49:48,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:49:48,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:49:48,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:49:48,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:49:48,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:49:48,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:49:48,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:49:48,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:49:48,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:49:48,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:49:48,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:49:48,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:49:48,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:49:48,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:49:48,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:49:48,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:49:48,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:49:48,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:49:48,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:49:48,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:49:48,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:49:48,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:49:49,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:49:49,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:49:49,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:49:49,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:49:49,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:49:49,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:49:49,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:49:49,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:49:49,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:49:49,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:49:49,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:49:49,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:49:49,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:49:49,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:49:49,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 17:49:49,058 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:49:49,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:49:49,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:49:49,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:49:49,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:49:49,068 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:49:49,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:49:49,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:49:49,069 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:49:49,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:49:49,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:49:49,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:49:49,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:49:49,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:49:49,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:49:49,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:49:49,072 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:49:49,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:49:49,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:49:49,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:49:49,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:49:49,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:49:49,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:49:49,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:49:49,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:49:49,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:49:49,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:49:49,075 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:49:49,075 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:49:49,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:49:49,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:49:49,077 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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2021-11-13 17:49:49,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:49:49,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:49:49,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:49:49,372 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:49:49,372 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:49:49,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-11-13 17:49:49,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/data/d48cbdf54/77f5223db09a4d3e93ef3817b7afbe38/FLAGa0af0e043 [2021-11-13 17:49:50,414 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:49:50,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-11-13 17:49:50,483 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/data/d48cbdf54/77f5223db09a4d3e93ef3817b7afbe38/FLAGa0af0e043 [2021-11-13 17:49:50,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/data/d48cbdf54/77f5223db09a4d3e93ef3817b7afbe38 [2021-11-13 17:49:50,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:49:50,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:49:50,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:49:50,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:49:50,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:49:50,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:49:50" (1/1) ... [2021-11-13 17:49:50,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f89bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:50, skipping insertion in model container [2021-11-13 17:49:50,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:49:50" (1/1) ... [2021-11-13 17:49:50,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:49:50,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:49:54,465 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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2021-11-13 17:49:54,468 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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2021-11-13 17:49:54,469 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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2021-11-13 17:49:54,469 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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2021-11-13 17:49:54,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:49:54,522 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:49:55,209 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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2021-11-13 17:49:55,209 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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2021-11-13 17:49:55,210 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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2021-11-13 17:49:55,210 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_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2021-11-13 17:49:55,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:49:55,416 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:49:55,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55 WrapperNode [2021-11-13 17:49:55,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:49:55,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:49:55,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:49:55,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:49:55,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55" (1/1) ... [2021-11-13 17:49:55,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55" (1/1) ... [2021-11-13 17:49:56,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:49:56,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:49:56,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:49:56,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:49:56,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55" (1/1) ... [2021-11-13 17:49:56,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55" (1/1) ... [2021-11-13 17:49:56,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55" (1/1) ... [2021-11-13 17:49:56,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55" (1/1) ... [2021-11-13 17:49:56,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55" (1/1) ... [2021-11-13 17:49:56,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55" (1/1) ... [2021-11-13 17:49:56,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55" (1/1) ... [2021-11-13 17:49:56,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:49:56,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:49:56,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:49:56,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:49:56,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55" (1/1) ... [2021-11-13 17:49:56,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:49:56,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:49:56,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:49:56,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:49:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-13 17:49:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-13 17:49:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2021-11-13 17:49:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2021-11-13 17:49:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2021-11-13 17:49:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2021-11-13 17:49:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2021-11-13 17:49:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2021-11-13 17:49:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2021-11-13 17:49:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2021-11-13 17:49:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 17:49:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 17:49:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 17:49:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 17:49:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2021-11-13 17:49:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2021-11-13 17:49:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2021-11-13 17:49:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2021-11-13 17:49:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2021-11-13 17:49:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2021-11-13 17:49:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-13 17:49:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-13 17:49:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2021-11-13 17:49:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2021-11-13 17:49:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 17:49:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 17:49:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-13 17:49:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-13 17:49:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2021-11-13 17:49:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2021-11-13 17:49:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2021-11-13 17:49:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2021-11-13 17:49:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2021-11-13 17:49:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2021-11-13 17:49:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2021-11-13 17:49:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2021-11-13 17:49:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2021-11-13 17:49:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2021-11-13 17:49:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2021-11-13 17:49:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2021-11-13 17:49:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2021-11-13 17:49:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2021-11-13 17:49:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 17:49:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 17:49:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:49:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:49:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2021-11-13 17:49:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2021-11-13 17:49:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2021-11-13 17:49:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2021-11-13 17:49:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-13 17:49:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-13 17:49:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 17:49:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 17:49:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:49:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 17:49:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 17:49:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2021-11-13 17:49:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2021-11-13 17:49:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-13 17:49:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-13 17:49:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:49:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2021-11-13 17:49:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2021-11-13 17:49:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 17:49:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 17:49:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-11-13 17:49:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-11-13 17:49:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-13 17:49:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-13 17:49:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 17:49:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 17:49:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-13 17:49:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-13 17:49:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 17:49:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 17:49:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2021-11-13 17:49:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2021-11-13 17:49:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2021-11-13 17:49:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2021-11-13 17:49:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2021-11-13 17:49:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2021-11-13 17:49:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2021-11-13 17:49:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2021-11-13 17:49:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:49:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:49:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-13 17:49:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-13 17:49:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-13 17:49:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-13 17:49:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-11-13 17:49:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-11-13 17:49:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 17:49:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 17:49:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2021-11-13 17:49:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2021-11-13 17:49:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 17:49:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 17:49:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2021-11-13 17:49:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2021-11-13 17:49:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2021-11-13 17:49:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2021-11-13 17:49:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-13 17:49:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-13 17:49:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2021-11-13 17:49:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2021-11-13 17:49:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 17:49:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2021-11-13 17:49:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2021-11-13 17:49:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2021-11-13 17:49:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2021-11-13 17:49:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2021-11-13 17:49:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2021-11-13 17:49:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 17:49:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2021-11-13 17:49:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2021-11-13 17:49:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 17:49:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 17:49:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2021-11-13 17:49:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2021-11-13 17:49:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:49:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 17:49:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 17:49:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2021-11-13 17:49:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2021-11-13 17:49:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-11-13 17:49:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-11-13 17:49:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2021-11-13 17:49:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2021-11-13 17:49:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 17:49:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 17:49:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2021-11-13 17:49:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2021-11-13 17:49:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2021-11-13 17:49:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2021-11-13 17:49:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2021-11-13 17:49:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2021-11-13 17:49:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2021-11-13 17:49:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2021-11-13 17:49:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2021-11-13 17:49:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2021-11-13 17:49:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2021-11-13 17:49:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2021-11-13 17:49:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2021-11-13 17:49:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2021-11-13 17:49:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 17:49:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 17:49:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2021-11-13 17:49:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2021-11-13 17:49:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2021-11-13 17:49:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2021-11-13 17:49:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2021-11-13 17:49:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2021-11-13 17:49:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2021-11-13 17:49:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2021-11-13 17:49:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:49:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2021-11-13 17:49:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2021-11-13 17:49:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2021-11-13 17:49:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2021-11-13 17:49:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2021-11-13 17:49:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2021-11-13 17:49:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2021-11-13 17:49:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2021-11-13 17:49:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2021-11-13 17:49:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2021-11-13 17:49:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-11-13 17:49:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-11-13 17:49:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2021-11-13 17:49:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2021-11-13 17:49:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2021-11-13 17:49:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2021-11-13 17:49:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2021-11-13 17:49:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2021-11-13 17:49:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2021-11-13 17:49:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2021-11-13 17:49:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2021-11-13 17:49:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2021-11-13 17:49:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2021-11-13 17:49:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2021-11-13 17:49:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2021-11-13 17:49:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2021-11-13 17:49:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2021-11-13 17:49:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2021-11-13 17:49:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:49:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2021-11-13 17:49:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2021-11-13 17:49:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 17:49:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 17:49:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 17:49:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 17:49:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:49:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 17:49:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2021-11-13 17:49:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2021-11-13 17:49:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2021-11-13 17:49:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2021-11-13 17:49:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2021-11-13 17:49:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2021-11-13 17:49:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2021-11-13 17:49:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2021-11-13 17:49:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2021-11-13 17:49:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2021-11-13 17:49:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2021-11-13 17:49:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2021-11-13 17:49:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2021-11-13 17:49:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2021-11-13 17:49:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2021-11-13 17:49:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2021-11-13 17:49:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 17:49:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 17:49:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2021-11-13 17:49:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2021-11-13 17:49:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-13 17:49:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-13 17:49:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2021-11-13 17:49:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2021-11-13 17:49:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-13 17:49:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-13 17:49:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-13 17:49:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-13 17:49:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2021-11-13 17:49:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2021-11-13 17:49:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2021-11-13 17:49:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2021-11-13 17:49:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-13 17:49:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-13 17:49:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2021-11-13 17:49:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2021-11-13 17:49:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-13 17:49:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-13 17:49:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2021-11-13 17:49:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2021-11-13 17:49:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2021-11-13 17:49:57,019 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2021-11-13 17:49:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:49:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2021-11-13 17:49:57,019 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2021-11-13 17:49:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-13 17:49:57,019 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-13 17:49:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 17:49:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 17:49:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-13 17:49:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-13 17:49:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2021-11-13 17:49:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2021-11-13 17:49:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:49:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:49:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2021-11-13 17:49:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2021-11-13 17:49:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2021-11-13 17:49:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2021-11-13 17:49:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2021-11-13 17:49:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2021-11-13 17:50:01,722 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 17:52:42,501 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:52:42,502 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 17:52:42,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:52:42 BoogieIcfgContainer [2021-11-13 17:52:42,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:52:42,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:52:42,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:52:42,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:52:42,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:49:50" (1/3) ... [2021-11-13 17:52:42,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580c878f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:52:42, skipping insertion in model container [2021-11-13 17:52:42,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:55" (2/3) ... [2021-11-13 17:52:42,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580c878f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:52:42, skipping insertion in model container [2021-11-13 17:52:42,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:52:42" (3/3) ... [2021-11-13 17:52:42,519 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-11-13 17:52:42,524 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:52:42,524 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-13 17:52:42,602 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:52:42,609 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 17:52:42,609 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-13 17:52:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) [2021-11-13 17:52:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 17:52:42,792 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:52:42,793 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:52:42,794 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 17:52:42,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:52:42,798 INFO L85 PathProgramCache]: Analyzing trace with hash -2030594725, now seen corresponding path program 1 times [2021-11-13 17:52:42,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:52:42,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938898631] [2021-11-13 17:52:42,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:52:42,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:52:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:44,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-13 17:52:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:44,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-13 17:52:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:44,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:52:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:52:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:44,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:52:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:44,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:52:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 17:52:44,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:52:44,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938898631] [2021-11-13 17:52:44,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938898631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:52:44,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:52:44,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:52:44,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329902340] [2021-11-13 17:52:44,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:52:44,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:52:44,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:52:44,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:52:44,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:52:44,915 INFO L87 Difference]: Start difference. First operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-13 17:52:46,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:52:46,083 INFO L93 Difference]: Finished difference Result 16874 states and 25149 transitions. [2021-11-13 17:52:46,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:52:46,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-11-13 17:52:46,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:52:46,199 INFO L225 Difference]: With dead ends: 16874 [2021-11-13 17:52:46,199 INFO L226 Difference]: Without dead ends: 8441 [2021-11-13 17:52:46,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:52:46,288 INFO L933 BasicCegarLoop]: 12551 mSDtfsCounter, 12536 mSDsluCounter, 25095 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 211.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12542 SdHoareTripleChecker+Valid, 37646 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 146.06ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 216.85ms IncrementalHoareTripleChecker+Time [2021-11-13 17:52:46,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12542 Valid, 37646 Invalid, 15 Unknown, 0 Unchecked, 146.06ms Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 216.85ms Time] [2021-11-13 17:52:46,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2021-11-13 17:52:51,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 8441. [2021-11-13 17:52:51,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8441 states, 4842 states have (on average 1.1551011978521273) internal successors, (5593), 4868 states have internal predecessors, (5593), 3478 states have call successors, (3478), 119 states have call predecessors, (3478), 118 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2021-11-13 17:52:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8441 states to 8441 states and 12546 transitions. [2021-11-13 17:52:51,428 INFO L78 Accepts]: Start accepts. Automaton has 8441 states and 12546 transitions. Word has length 48 [2021-11-13 17:52:51,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:52:51,429 INFO L470 AbstractCegarLoop]: Abstraction has 8441 states and 12546 transitions. [2021-11-13 17:52:51,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-13 17:52:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 8441 states and 12546 transitions. [2021-11-13 17:52:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 17:52:51,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:52:51,433 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:52:51,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:52:51,434 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 17:52:51,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:52:51,435 INFO L85 PathProgramCache]: Analyzing trace with hash 283534717, now seen corresponding path program 1 times [2021-11-13 17:52:51,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:52:51,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431359845] [2021-11-13 17:52:51,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:52:51,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:52:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-13 17:52:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:52,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-13 17:52:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:52,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:52:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:52,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:52:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:52,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:52:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:52,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:52:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:52,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 17:52:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 17:52:52,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:52:52,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431359845] [2021-11-13 17:52:52,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431359845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:52:52,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:52:52,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:52:52,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811789454] [2021-11-13 17:52:52,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:52:52,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:52:52,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:52:52,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:52:52,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:52:52,503 INFO L87 Difference]: Start difference. First operand 8441 states and 12546 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 17:52:53,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:52:53,441 INFO L93 Difference]: Finished difference Result 8447 states and 12551 transitions. [2021-11-13 17:52:53,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:52:53,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2021-11-13 17:52:53,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:52:53,530 INFO L225 Difference]: With dead ends: 8447 [2021-11-13 17:52:53,531 INFO L226 Difference]: Without dead ends: 8445 [2021-11-13 17:52:53,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:52:53,544 INFO L933 BasicCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 195.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12525 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 102.07ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 216.69ms IncrementalHoareTripleChecker+Time [2021-11-13 17:52:53,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12525 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 102.07ms Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 216.69ms Time] [2021-11-13 17:52:53,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8445 states. [2021-11-13 17:52:58,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8445 to 8445. [2021-11-13 17:52:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8445 states, 4845 states have (on average 1.1550051599587203) internal successors, (5596), 4871 states have internal predecessors, (5596), 3478 states have call successors, (3478), 120 states have call predecessors, (3478), 119 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2021-11-13 17:52:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8445 states to 8445 states and 12549 transitions. [2021-11-13 17:52:58,682 INFO L78 Accepts]: Start accepts. Automaton has 8445 states and 12549 transitions. Word has length 53 [2021-11-13 17:52:58,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:52:58,683 INFO L470 AbstractCegarLoop]: Abstraction has 8445 states and 12549 transitions. [2021-11-13 17:52:58,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 17:52:58,685 INFO L276 IsEmpty]: Start isEmpty. Operand 8445 states and 12549 transitions. [2021-11-13 17:52:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 17:52:58,695 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:52:58,695 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:52:58,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:52:58,696 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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 17:52:58,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:52:58,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1243909541, now seen corresponding path program 1 times [2021-11-13 17:52:58,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:52:58,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665350924] [2021-11-13 17:52:58,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:52:58,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:52:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-13 17:52:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-13 17:52:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:52:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:52:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:59,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:52:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:52:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 17:52:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 17:52:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:59,670 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 17:52:59,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:52:59,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665350924] [2021-11-13 17:52:59,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665350924] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:52:59,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:52:59,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:52:59,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111401649] [2021-11-13 17:52:59,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:52:59,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:52:59,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:52:59,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:52:59,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:52:59,679 INFO L87 Difference]: Start difference. First operand 8445 states and 12549 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-13 17:53:00,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:53:00,495 INFO L93 Difference]: Finished difference Result 8451 states and 12554 transitions. [2021-11-13 17:53:00,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:53:00,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2021-11-13 17:53:00,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:53:00,591 INFO L225 Difference]: With dead ends: 8451 [2021-11-13 17:53:00,591 INFO L226 Difference]: Without dead ends: 8449 [2021-11-13 17:53:00,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:53:00,609 INFO L933 BasicCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 197.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12524 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 111.58ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 219.15ms IncrementalHoareTripleChecker+Time [2021-11-13 17:53:00,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12524 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 111.58ms Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 219.15ms Time] [2021-11-13 17:53:00,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8449 states. [2021-11-13 17:53:04,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8449 to 8449. [2021-11-13 17:53:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8449 states, 4848 states have (on average 1.1549092409240924) internal successors, (5599), 4874 states have internal predecessors, (5599), 3478 states have call successors, (3478), 121 states have call predecessors, (3478), 120 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2021-11-13 17:53:05,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8449 states to 8449 states and 12552 transitions. [2021-11-13 17:53:05,111 INFO L78 Accepts]: Start accepts. Automaton has 8449 states and 12552 transitions. Word has length 58 [2021-11-13 17:53:05,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:53:05,113 INFO L470 AbstractCegarLoop]: Abstraction has 8449 states and 12552 transitions. [2021-11-13 17:53:05,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-13 17:53:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 8449 states and 12552 transitions. [2021-11-13 17:53:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 17:53:05,116 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:53:05,116 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:05,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:53:05,117 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 17:53:05,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:05,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1979005345, now seen corresponding path program 1 times [2021-11-13 17:53:05,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:53:05,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587390864] [2021-11-13 17:53:05,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:05,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:53:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:05,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-13 17:53:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:05,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-13 17:53:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:53:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:53:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:53:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:05,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-13 17:53:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:06,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-13 17:53:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:06,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-13 17:53:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 17:53:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 17:53:06,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:53:06,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587390864] [2021-11-13 17:53:06,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587390864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:06,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:06,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:53:06,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311610448] [2021-11-13 17:53:06,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:06,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:53:06,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:53:06,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:53:06,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:53:06,077 INFO L87 Difference]: Start difference. First operand 8449 states and 12552 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-13 17:53:06,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:53:06,891 INFO L93 Difference]: Finished difference Result 8455 states and 12557 transitions. [2021-11-13 17:53:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:53:06,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 73 [2021-11-13 17:53:06,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:53:06,968 INFO L225 Difference]: With dead ends: 8455 [2021-11-13 17:53:06,968 INFO L226 Difference]: Without dead ends: 8453 [2021-11-13 17:53:06,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:53:06,983 INFO L933 BasicCegarLoop]: 12543 mSDtfsCounter, 12514 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 196.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12516 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 94.14ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 215.79ms IncrementalHoareTripleChecker+Time [2021-11-13 17:53:06,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12516 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 94.14ms Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 215.79ms Time] [2021-11-13 17:53:07,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8453 states. [2021-11-13 17:53:12,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8453 to 8453. [2021-11-13 17:53:12,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8453 states, 4851 states have (on average 1.1548134405277262) internal successors, (5602), 4877 states have internal predecessors, (5602), 3478 states have call successors, (3478), 122 states have call predecessors, (3478), 121 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2021-11-13 17:53:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8453 states to 8453 states and 12555 transitions. [2021-11-13 17:53:12,475 INFO L78 Accepts]: Start accepts. Automaton has 8453 states and 12555 transitions. Word has length 73 [2021-11-13 17:53:12,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:53:12,478 INFO L470 AbstractCegarLoop]: Abstraction has 8453 states and 12555 transitions. [2021-11-13 17:53:12,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-13 17:53:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 8453 states and 12555 transitions. [2021-11-13 17:53:12,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 17:53:12,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:53:12,481 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:12,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:53:12,482 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 17:53:12,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:12,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1975566171, now seen corresponding path program 1 times [2021-11-13 17:53:12,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:53:12,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552372381] [2021-11-13 17:53:12,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:12,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:53:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-13 17:53:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-13 17:53:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:13,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:53:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:13,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:13,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:53:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:53:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 17:53:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 17:53:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-13 17:53:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:13,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-13 17:53:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 17:53:13,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:53:13,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552372381] [2021-11-13 17:53:13,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552372381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:13,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:13,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:53:13,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661546251] [2021-11-13 17:53:13,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:13,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:53:13,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:53:13,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:53:13,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:53:13,274 INFO L87 Difference]: Start difference. First operand 8453 states and 12555 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-13 17:53:14,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:53:14,272 INFO L93 Difference]: Finished difference Result 8548 states and 12641 transitions. [2021-11-13 17:53:14,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:53:14,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2021-11-13 17:53:14,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:53:14,331 INFO L225 Difference]: With dead ends: 8548 [2021-11-13 17:53:14,331 INFO L226 Difference]: Without dead ends: 8544 [2021-11-13 17:53:14,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:53:14,344 INFO L933 BasicCegarLoop]: 12560 mSDtfsCounter, 12351 mSDsluCounter, 25356 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 191.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12352 SdHoareTripleChecker+Valid, 37916 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 105.78ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 231.99ms IncrementalHoareTripleChecker+Time [2021-11-13 17:53:14,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12352 Valid, 37916 Invalid, 17 Unknown, 0 Unchecked, 105.78ms Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 231.99ms Time] [2021-11-13 17:53:14,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8544 states. [2021-11-13 17:53:23,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8544 to 8542. [2021-11-13 17:53:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8542 states, 4915 states have (on average 1.1546286876907426) internal successors, (5675), 4940 states have internal predecessors, (5675), 3482 states have call successors, (3482), 144 states have call predecessors, (3482), 142 states have return successors, (3479), 3467 states have call predecessors, (3479), 3479 states have call successors, (3479) [2021-11-13 17:53:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8542 states to 8542 states and 12636 transitions. [2021-11-13 17:53:23,557 INFO L78 Accepts]: Start accepts. Automaton has 8542 states and 12636 transitions. Word has length 68 [2021-11-13 17:53:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:53:23,557 INFO L470 AbstractCegarLoop]: Abstraction has 8542 states and 12636 transitions. [2021-11-13 17:53:23,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-13 17:53:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 8542 states and 12636 transitions. [2021-11-13 17:53:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 17:53:23,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:53:23,560 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:23,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 17:53:23,560 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 17:53:23,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:23,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1547969923, now seen corresponding path program 1 times [2021-11-13 17:53:23,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:53:23,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858766869] [2021-11-13 17:53:23,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:23,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:53:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-13 17:53:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-13 17:53:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:53:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:53:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:53:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 17:53:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 17:53:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-13 17:53:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-13 17:53:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 17:53:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:24,396 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-13 17:53:24,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:53:24,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858766869] [2021-11-13 17:53:24,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858766869] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:24,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:24,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:53:24,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710897667] [2021-11-13 17:53:24,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:24,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:53:24,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:53:24,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:53:24,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:53:24,399 INFO L87 Difference]: Start difference. First operand 8542 states and 12636 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-13 17:53:25,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:53:25,263 INFO L93 Difference]: Finished difference Result 8599 states and 12693 transitions. [2021-11-13 17:53:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:53:25,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2021-11-13 17:53:25,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:53:25,316 INFO L225 Difference]: With dead ends: 8599 [2021-11-13 17:53:25,316 INFO L226 Difference]: Without dead ends: 8461 [2021-11-13 17:53:25,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:53:25,329 INFO L933 BasicCegarLoop]: 12615 mSDtfsCounter, 12404 mSDsluCounter, 25422 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 182.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12404 SdHoareTripleChecker+Valid, 38037 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 88.17ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 200.22ms IncrementalHoareTripleChecker+Time [2021-11-13 17:53:25,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12404 Valid, 38037 Invalid, 12 Unknown, 0 Unchecked, 88.17ms Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 200.22ms Time] [2021-11-13 17:53:25,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8461 states. [2021-11-13 17:53:34,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8461 to 8459. [2021-11-13 17:53:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8459 states, 4859 states have (on average 1.1535295328256843) internal successors, (5605), 4881 states have internal predecessors, (5605), 3452 states have call successors, (3452), 146 states have call predecessors, (3452), 146 states have return successors, (3452), 3440 states have call predecessors, (3452), 3452 states have call successors, (3452) [2021-11-13 17:53:34,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8459 states to 8459 states and 12509 transitions. [2021-11-13 17:53:34,675 INFO L78 Accepts]: Start accepts. Automaton has 8459 states and 12509 transitions. Word has length 73 [2021-11-13 17:53:34,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:53:34,676 INFO L470 AbstractCegarLoop]: Abstraction has 8459 states and 12509 transitions. [2021-11-13 17:53:34,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-13 17:53:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 8459 states and 12509 transitions. [2021-11-13 17:53:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 17:53:34,682 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:53:34,682 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:34,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 17:53:34,683 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 17:53:34,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:34,683 INFO L85 PathProgramCache]: Analyzing trace with hash 785700872, now seen corresponding path program 1 times [2021-11-13 17:53:34,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:53:34,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607000153] [2021-11-13 17:53:34,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:34,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:53:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-13 17:53:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-13 17:53:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:53:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:53:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:53:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-13 17:53:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 17:53:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:53:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 17:53:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-13 17:53:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 17:53:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:53:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-13 17:53:36,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:53:36,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607000153] [2021-11-13 17:53:36,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607000153] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:36,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:36,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:53:36,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118844048] [2021-11-13 17:53:36,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:36,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:53:36,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:53:36,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:53:36,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:53:36,312 INFO L87 Difference]: Start difference. First operand 8459 states and 12509 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-13 17:53:38,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:44,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:50,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:53:53,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:53:55,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:53:58,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:54:01,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:54:03,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:54:05,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:54:10,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:54:10,374 INFO L93 Difference]: Finished difference Result 8510 states and 12582 transitions. [2021-11-13 17:54:10,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 17:54:10,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 100 [2021-11-13 17:54:10,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:54:10,436 INFO L225 Difference]: With dead ends: 8510 [2021-11-13 17:54:10,437 INFO L226 Difference]: Without dead ends: 8508 [2021-11-13 17:54:10,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:54:10,449 INFO L933 BasicCegarLoop]: 12292 mSDtfsCounter, 12320 mSDsluCounter, 32183 mSDsCounter, 0 mSdLazyCounter, 1452 mSolverCounterSat, 3765 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30426.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12611 SdHoareTripleChecker+Valid, 44475 SdHoareTripleChecker+Invalid, 5226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 154.09ms SdHoareTripleChecker+Time, 3765 IncrementalHoareTripleChecker+Valid, 1452 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33172.61ms IncrementalHoareTripleChecker+Time [2021-11-13 17:54:10,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12611 Valid, 44475 Invalid, 5226 Unknown, 0 Unchecked, 154.09ms Time], IncrementalHoareTripleChecker [3765 Valid, 1452 Invalid, 9 Unknown, 0 Unchecked, 33172.61ms Time] [2021-11-13 17:54:10,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8508 states. [2021-11-13 17:54:20,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8508 to 8463. [2021-11-13 17:54:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8463 states, 4862 states have (on average 1.1534348004936241) internal successors, (5608), 4884 states have internal predecessors, (5608), 3452 states have call successors, (3452), 147 states have call predecessors, (3452), 147 states have return successors, (3452), 3440 states have call predecessors, (3452), 3452 states have call successors, (3452) [2021-11-13 17:54:20,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8463 states to 8463 states and 12512 transitions. [2021-11-13 17:54:20,719 INFO L78 Accepts]: Start accepts. Automaton has 8463 states and 12512 transitions. Word has length 100 [2021-11-13 17:54:20,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:54:20,721 INFO L470 AbstractCegarLoop]: Abstraction has 8463 states and 12512 transitions. [2021-11-13 17:54:20,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-13 17:54:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 8463 states and 12512 transitions. [2021-11-13 17:54:20,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-13 17:54:20,729 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:54:20,730 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:54:20,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 17:54:20,730 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 17:54:20,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:20,731 INFO L85 PathProgramCache]: Analyzing trace with hash -237746558, now seen corresponding path program 1 times [2021-11-13 17:54:20,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:20,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361220590] [2021-11-13 17:54:20,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:20,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:21,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-13 17:54:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-13 17:54:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:54:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:54:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:54:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:54:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-13 17:54:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 17:54:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:54:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:54:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 17:54:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-13 17:54:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 17:54:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:54:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-13 17:54:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:54:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 17:54:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:22,618 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-13 17:54:22,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:54:22,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361220590] [2021-11-13 17:54:22,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361220590] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:54:22,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:54:22,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:54:22,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614211718] [2021-11-13 17:54:22,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:54:22,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:54:22,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:54:22,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:54:22,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:54:22,621 INFO L87 Difference]: Start difference. First operand 8463 states and 12512 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-13 17:54:24,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:26,881 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:28,997 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:36,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:40,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:41,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:44,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:47,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:50,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:54:58,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:01,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:06,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:09,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:11,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:13,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:15,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:17,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:19,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:22,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:24,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:26,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:28,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:55:30,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 17:57:43,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:57:43,711 INFO L93 Difference]: Finished difference Result 17019 states and 25174 transitions. [2021-11-13 17:57:43,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 17:57:43,712 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 118 [2021-11-13 17:57:43,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:57:43,767 INFO L225 Difference]: With dead ends: 17019 [2021-11-13 17:57:43,767 INFO L226 Difference]: Without dead ends: 8563 [2021-11-13 17:57:43,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-13 17:57:43,827 INFO L933 BasicCegarLoop]: 9127 mSDtfsCounter, 5482 mSDsluCounter, 14188 mSDsCounter, 0 mSdLazyCounter, 31953 mSolverCounterSat, 10774 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 186668.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8486 SdHoareTripleChecker+Valid, 23315 SdHoareTripleChecker+Invalid, 42745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 418.96ms SdHoareTripleChecker+Time, 10774 IncrementalHoareTripleChecker+Valid, 31953 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 198969.64ms IncrementalHoareTripleChecker+Time [2021-11-13 17:57:43,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8486 Valid, 23315 Invalid, 42745 Unknown, 0 Unchecked, 418.96ms Time], IncrementalHoareTripleChecker [10774 Valid, 31953 Invalid, 18 Unknown, 0 Unchecked, 198969.64ms Time] [2021-11-13 17:57:43,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8563 states. [2021-11-13 17:57:53,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8563 to 8465. [2021-11-13 17:57:53,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8465 states, 4864 states have (on average 1.1533717105263157) internal successors, (5610), 4886 states have internal predecessors, (5610), 3452 states have call successors, (3452), 147 states have call predecessors, (3452), 147 states have return successors, (3452), 3440 states have call predecessors, (3452), 3452 states have call successors, (3452) [2021-11-13 17:57:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8465 states to 8465 states and 12514 transitions. [2021-11-13 17:57:54,039 INFO L78 Accepts]: Start accepts. Automaton has 8465 states and 12514 transitions. Word has length 118 [2021-11-13 17:57:54,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:57:54,040 INFO L470 AbstractCegarLoop]: Abstraction has 8465 states and 12514 transitions. [2021-11-13 17:57:54,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-13 17:57:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 8465 states and 12514 transitions. [2021-11-13 17:57:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 17:57:54,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:57:54,046 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:57:54,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 17:57:54,047 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 17:57:54,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:57:54,048 INFO L85 PathProgramCache]: Analyzing trace with hash 412504133, now seen corresponding path program 1 times [2021-11-13 17:57:54,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:57:54,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834570720] [2021-11-13 17:57:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:57:54,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:57:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-13 17:57:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-13 17:57:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:57:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:57:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:57:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-13 17:57:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 17:57:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 17:57:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-13 17:57:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 17:57:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-13 17:57:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:55,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 17:57:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-13 17:57:56,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:57:56,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834570720] [2021-11-13 17:57:56,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834570720] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:57:56,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212684303] [2021-11-13 17:57:56,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:57:56,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:57:56,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:57:56,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:57:56,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 17:57:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:58,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 4243 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:57:58,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:57:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-13 17:57:59,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:58:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-13 17:58:00,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212684303] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 17:58:00,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-13 17:58:00,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 5] total 11 [2021-11-13 17:58:00,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810944328] [2021-11-13 17:58:00,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:58:00,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:58:00,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:58:00,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:58:00,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:58:00,077 INFO L87 Difference]: Start difference. First operand 8465 states and 12514 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-13 17:58:00,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:58:00,952 INFO L93 Difference]: Finished difference Result 16913 states and 25015 transitions. [2021-11-13 17:58:00,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 17:58:00,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 119 [2021-11-13 17:58:00,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:58:01,011 INFO L225 Difference]: With dead ends: 16913 [2021-11-13 17:58:01,011 INFO L226 Difference]: Without dead ends: 8467 [2021-11-13 17:58:01,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:58:01,061 INFO L933 BasicCegarLoop]: 12367 mSDtfsCounter, 5 mSDsluCounter, 24728 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 239.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 37095 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 56.37ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 253.71ms IncrementalHoareTripleChecker+Time [2021-11-13 17:58:01,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 37095 Invalid, 18 Unknown, 0 Unchecked, 56.37ms Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 253.71ms Time] [2021-11-13 17:58:01,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8467 states. [2021-11-13 17:58:10,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8467 to 8467. [2021-11-13 17:58:10,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8467 states, 4866 states have (on average 1.1533086724208796) internal successors, (5612), 4888 states have internal predecessors, (5612), 3452 states have call successors, (3452), 147 states have call predecessors, (3452), 147 states have return successors, (3452), 3440 states have call predecessors, (3452), 3452 states have call successors, (3452) [2021-11-13 17:58:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8467 states to 8467 states and 12516 transitions. [2021-11-13 17:58:10,342 INFO L78 Accepts]: Start accepts. Automaton has 8467 states and 12516 transitions. Word has length 119 [2021-11-13 17:58:10,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:58:10,343 INFO L470 AbstractCegarLoop]: Abstraction has 8467 states and 12516 transitions. [2021-11-13 17:58:10,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-13 17:58:10,343 INFO L276 IsEmpty]: Start isEmpty. Operand 8467 states and 12516 transitions. [2021-11-13 17:58:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-13 17:58:10,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:58:10,349 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:58:10,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:58:10,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:58:10,575 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 17:58:10,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:58:10,575 INFO L85 PathProgramCache]: Analyzing trace with hash 755733668, now seen corresponding path program 1 times [2021-11-13 17:58:10,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:58:10,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930574200] [2021-11-13 17:58:10,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:58:10,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:58:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-13 17:58:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-13 17:58:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:58:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:58:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 17:58:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-13 17:58:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-13 17:58:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 17:58:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-13 17:58:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 17:58:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-13 17:58:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 17:58:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-13 17:58:12,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:58:12,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930574200] [2021-11-13 17:58:12,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930574200] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:58:12,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230701770] [2021-11-13 17:58:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:58:12,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:58:12,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:58:12,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:58:12,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d44cedd-ba0b-4be3-ae4a-29b9a91a6e01/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 17:58:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:14,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 4253 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-13 17:58:14,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:58:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 17:58:16,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:58:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 17:58:18,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230701770] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:58:18,286 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:58:18,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 15] total 24 [2021-11-13 17:58:18,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600697475] [2021-11-13 17:58:18,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:58:18,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-13 17:58:18,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:58:18,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-13 17:58:18,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=503, Unknown=0, NotChecked=0, Total=552 [2021-11-13 17:58:18,288 INFO L87 Difference]: Start difference. First operand 8467 states and 12516 transitions. Second operand has 24 states, 23 states have (on average 5.869565217391305) internal successors, (135), 19 states have internal predecessors, (135), 6 states have call successors, (43), 5 states have call predecessors, (43), 6 states have return successors, (41), 7 states have call predecessors, (41), 6 states have call successors, (41) [2021-11-13 17:58:20,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:58:22,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:58:24,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:58:51,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:02,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:04,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:05,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:07,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:08,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:09,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:11,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:12,590 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:14,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:18,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:19,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:21,081 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:33,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:38,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:40,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:42,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:44,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:46,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:49,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:00:14,080 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:00:17,224 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:00:42,605 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 18:00:44,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []