./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:02:08,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:02:08,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:02:08,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:02:08,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:02:08,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:02:08,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:02:08,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:02:08,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:02:08,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:02:08,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:02:08,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:02:08,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:02:08,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:02:08,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:02:08,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:02:08,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:02:08,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:02:08,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:02:08,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:02:08,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:02:08,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:02:08,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:02:08,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:02:09,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:02:09,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:02:09,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:02:09,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:02:09,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:02:09,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:02:09,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:02:09,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:02:09,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:02:09,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:02:09,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:02:09,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:02:09,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:02:09,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:02:09,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:02:09,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:02:09,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:02:09,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:02:09,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:02:09,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:02:09,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:02:09,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:02:09,078 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:02:09,078 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:02:09,078 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:02:09,078 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:02:09,085 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:02:09,086 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:02:09,087 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:02:09,087 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:02:09,088 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:02:09,088 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:02:09,088 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:02:09,088 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:02:09,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:02:09,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:02:09,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:02:09,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:02:09,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:02:09,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:02:09,091 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:02:09,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:02:09,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:02:09,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:02:09,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:02:09,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:02:09,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:02:09,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:02:09,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:02:09,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:02:09,096 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:02:09,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:02:09,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:02:09,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:02:09,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:02:09,097 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 [2021-11-19 14:02:09,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:02:09,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:02:09,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:02:09,395 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:02:09,396 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:02:09,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-19 14:02:09,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/data/49a260585/e520951ba96e48668e559208d63600bf/FLAG245d9e296 [2021-11-19 14:02:10,740 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:02:10,741 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-19 14:02:10,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/data/49a260585/e520951ba96e48668e559208d63600bf/FLAG245d9e296 [2021-11-19 14:02:11,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/data/49a260585/e520951ba96e48668e559208d63600bf [2021-11-19 14:02:11,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:02:11,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:02:11,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:11,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:02:11,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:02:11,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:11" (1/1) ... [2021-11-19 14:02:11,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7bf8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:11, skipping insertion in model container [2021-11-19 14:02:11,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:11" (1/1) ... [2021-11-19 14:02:11,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:02:11,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:02:13,685 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:13,686 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:13,972 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:13,975 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:13,995 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:13,997 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:14,307 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:14,335 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:17,480 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:19,148 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:20,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910514,910527] [2021-11-19 14:02:20,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910683,910696] [2021-11-19 14:02:20,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910850,910863] [2021-11-19 14:02:20,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[911018,911031] [2021-11-19 14:02:20,947 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:21,087 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:02:21,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ae673c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:21, skipping insertion in model container [2021-11-19 14:02:21,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:21,088 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:02:21,090 INFO L158 Benchmark]: Toolchain (without parser) took 9767.90ms. Allocated memory was 119.5MB in the beginning and 264.2MB in the end (delta: 144.7MB). Free memory was 72.2MB in the beginning and 94.9MB in the end (delta: -22.8MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. [2021-11-19 14:02:21,091 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 61.6MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:02:21,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9765.14ms. Allocated memory was 119.5MB in the beginning and 264.2MB in the end (delta: 144.7MB). Free memory was 71.7MB in the beginning and 94.9MB in the end (delta: -23.3MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. [2021-11-19 14:02:21,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 61.6MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9765.14ms. Allocated memory was 119.5MB in the beginning and 264.2MB in the end (delta: 144.7MB). Free memory was 71.7MB in the beginning and 94.9MB in the end (delta: -23.3MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8212]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:02:23,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:02:23,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:02:23,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:02:23,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:02:23,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:02:23,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:02:23,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:02:23,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:02:23,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:02:23,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:02:23,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:02:23,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:02:23,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:02:23,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:02:23,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:02:23,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:02:23,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:02:23,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:02:23,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:02:23,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:02:23,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:02:23,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:02:23,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:02:23,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:02:23,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:02:23,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:02:23,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:02:23,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:02:23,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:02:23,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:02:23,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:02:23,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:02:23,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:02:23,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:02:23,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:02:23,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:02:23,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:02:23,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:02:23,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:02:23,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:02:23,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:02:23,727 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:02:23,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:02:23,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:02:23,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:02:23,729 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:02:23,729 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:02:23,729 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:02:23,729 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:02:23,730 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:02:23,730 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:02:23,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:02:23,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:02:23,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:02:23,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:02:23,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:02:23,734 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:02:23,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:02:23,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:02:23,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:02:23,734 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:02:23,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:02:23,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:02:23,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:02:23,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:02:23,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:02:23,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:02:23,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:02:23,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:02:23,736 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:02:23,737 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:02:23,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:02:23,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:02:23,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:02:23,737 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45704baa505532991d887c6baed8540301aeab31c519983c43b4db9d2f3e9308 [2021-11-19 14:02:24,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:02:24,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:02:24,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:02:24,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:02:24,249 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:02:24,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-19 14:02:24,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/data/c69d96ce6/64c1a5189dcf4541808b114fb16ef730/FLAG3b9e625f1 [2021-11-19 14:02:25,814 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:02:25,815 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-19 14:02:25,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/data/c69d96ce6/64c1a5189dcf4541808b114fb16ef730/FLAG3b9e625f1 [2021-11-19 14:02:26,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/data/c69d96ce6/64c1a5189dcf4541808b114fb16ef730 [2021-11-19 14:02:26,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:02:26,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:02:26,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:26,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:02:26,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:02:26,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:26" (1/1) ... [2021-11-19 14:02:26,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d07f939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:26, skipping insertion in model container [2021-11-19 14:02:26,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:26" (1/1) ... [2021-11-19 14:02:26,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:02:26,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:02:35,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910514,910527] [2021-11-19 14:02:35,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910683,910696] [2021-11-19 14:02:35,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910850,910863] [2021-11-19 14:02:35,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[911018,911031] [2021-11-19 14:02:36,019 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:36,166 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:02:36,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:02:37,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910514,910527] [2021-11-19 14:02:37,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910683,910696] [2021-11-19 14:02:37,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910850,910863] [2021-11-19 14:02:37,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[911018,911031] [2021-11-19 14:02:37,391 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:37,538 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:02:38,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910514,910527] [2021-11-19 14:02:38,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910683,910696] [2021-11-19 14:02:38,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[910850,910863] [2021-11-19 14:02:38,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[911018,911031] [2021-11-19 14:02:38,577 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:39,015 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:02:39,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39 WrapperNode [2021-11-19 14:02:39,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:39,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:02:39,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:02:39,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:02:39,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39" (1/1) ... [2021-11-19 14:02:39,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39" (1/1) ... [2021-11-19 14:02:40,024 INFO L137 Inliner]: procedures = 716, calls = 10977, calls flagged for inlining = 355, calls inlined = 332, statements flattened = 23781 [2021-11-19 14:02:40,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:02:40,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:02:40,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:02:40,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:02:40,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39" (1/1) ... [2021-11-19 14:02:40,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39" (1/1) ... [2021-11-19 14:02:40,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39" (1/1) ... [2021-11-19 14:02:40,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39" (1/1) ... [2021-11-19 14:02:40,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39" (1/1) ... [2021-11-19 14:02:41,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39" (1/1) ... [2021-11-19 14:02:41,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39" (1/1) ... [2021-11-19 14:02:41,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:02:41,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:02:41,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:02:41,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:02:41,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39" (1/1) ... [2021-11-19 14:02:41,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:02:41,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:02:41,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:02:41,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:02:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2021-11-19 14:02:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2021-11-19 14:02:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2021-11-19 14:02:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2021-11-19 14:02:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2021-11-19 14:02:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2021-11-19 14:02:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-19 14:02:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-19 14:02:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:02:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:02:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2021-11-19 14:02:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2021-11-19 14:02:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2021-11-19 14:02:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2021-11-19 14:02:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_4 [2021-11-19 14:02:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_4 [2021-11-19 14:02:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-11-19 14:02:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-11-19 14:02:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2021-11-19 14:02:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2021-11-19 14:02:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2021-11-19 14:02:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2021-11-19 14:02:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:02:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:02:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2021-11-19 14:02:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2021-11-19 14:02:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-11-19 14:02:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-11-19 14:02:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:02:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:02:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-11-19 14:02:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-11-19 14:02:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2021-11-19 14:02:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2021-11-19 14:02:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2021-11-19 14:02:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2021-11-19 14:02:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:02:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:02:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2021-11-19 14:02:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2021-11-19 14:02:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2021-11-19 14:02:41,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2021-11-19 14:02:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 14:02:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-19 14:02:41,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-19 14:02:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:02:41,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:02:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2021-11-19 14:02:41,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2021-11-19 14:02:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2021-11-19 14:02:41,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2021-11-19 14:02:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:02:41,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:02:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:02:41,839 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:02:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2021-11-19 14:02:41,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2021-11-19 14:02:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2021-11-19 14:02:41,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2021-11-19 14:02:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2021-11-19 14:02:41,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2021-11-19 14:02:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:02:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2021-11-19 14:02:41,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2021-11-19 14:02:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-19 14:02:41,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-19 14:02:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:02:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:02:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:02:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:02:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-19 14:02:41,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-19 14:02:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2021-11-19 14:02:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2021-11-19 14:02:41,844 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2021-11-19 14:02:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2021-11-19 14:02:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-11-19 14:02:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-11-19 14:02:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-19 14:02:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-19 14:02:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2021-11-19 14:02:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2021-11-19 14:02:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:02:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:02:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-11-19 14:02:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-11-19 14:02:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:02:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:02:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2021-11-19 14:02:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2021-11-19 14:02:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2021-11-19 14:02:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2021-11-19 14:02:41,848 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:02:41,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:02:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_fw_clk_off_timer_callback [2021-11-19 14:02:41,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_fw_clk_off_timer_callback [2021-11-19 14:02:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:02:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:02:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2021-11-19 14:02:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2021-11-19 14:02:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:02:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:02:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-19 14:02:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-19 14:02:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-19 14:02:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-19 14:02:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2021-11-19 14:02:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2021-11-19 14:02:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_80 [2021-11-19 14:02:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_80 [2021-11-19 14:02:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2021-11-19 14:02:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2021-11-19 14:02:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-11-19 14:02:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-11-19 14:02:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-19 14:02:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-19 14:02:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2021-11-19 14:02:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2021-11-19 14:02:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2021-11-19 14:02:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2021-11-19 14:02:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_74 [2021-11-19 14:02:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_74 [2021-11-19 14:02:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_71 [2021-11-19 14:02:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_71 [2021-11-19 14:02:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_70 [2021-11-19 14:02:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_70 [2021-11-19 14:02:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2021-11-19 14:02:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2021-11-19 14:02:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-19 14:02:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-19 14:02:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 14:02:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 14:02:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-19 14:02:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-19 14:02:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:02:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_4_2 [2021-11-19 14:02:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_4_2 [2021-11-19 14:02:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 14:02:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 14:02:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2021-11-19 14:02:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2021-11-19 14:02:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:02:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:02:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:02:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:02:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:02:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:02:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:02:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:02:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:02:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2021-11-19 14:02:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2021-11-19 14:02:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:02:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:02:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:02:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2021-11-19 14:02:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2021-11-19 14:02:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2021-11-19 14:02:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2021-11-19 14:02:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 14:02:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 14:02:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2021-11-19 14:02:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2021-11-19 14:02:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2021-11-19 14:02:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2021-11-19 14:02:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 14:02:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 14:02:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2021-11-19 14:02:41,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2021-11-19 14:02:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-11-19 14:02:41,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-11-19 14:02:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2021-11-19 14:02:41,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2021-11-19 14:02:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2021-11-19 14:02:41,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2021-11-19 14:02:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2021-11-19 14:02:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2021-11-19 14:02:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:02:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65 [2021-11-19 14:02:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65 [2021-11-19 14:02:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2021-11-19 14:02:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2021-11-19 14:02:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2021-11-19 14:02:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2021-11-19 14:02:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2021-11-19 14:02:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2021-11-19 14:02:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2021-11-19 14:02:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2021-11-19 14:02:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:02:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:02:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-19 14:02:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-19 14:02:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:02:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2021-11-19 14:02:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2021-11-19 14:02:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:02:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:02:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2021-11-19 14:02:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2021-11-19 14:02:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-19 14:02:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-19 14:02:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:02:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:02:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:02:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:02:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:02:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2021-11-19 14:02:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2021-11-19 14:02:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-11-19 14:02:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-11-19 14:02:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:02:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:02:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 14:02:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 14:02:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_6_2 [2021-11-19 14:02:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_6_2 [2021-11-19 14:02:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-19 14:02:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-19 14:02:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-19 14:02:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-19 14:02:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2021-11-19 14:02:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2021-11-19 14:02:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65___0 [2021-11-19 14:02:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65___0 [2021-11-19 14:02:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2021-11-19 14:02:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2021-11-19 14:02:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_antenna_training_callback [2021-11-19 14:02:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_antenna_training_callback [2021-11-19 14:02:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-19 14:02:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-19 14:02:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2021-11-19 14:02:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2021-11-19 14:02:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-11-19 14:02:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-11-19 14:02:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-11-19 14:02:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-11-19 14:02:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 14:02:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 14:02:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2021-11-19 14:02:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2021-11-19 14:02:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:02:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:02:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-11-19 14:02:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-11-19 14:02:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2021-11-19 14:02:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2021-11-19 14:02:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-19 14:02:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-19 14:02:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2021-11-19 14:02:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2021-11-19 14:02:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2021-11-19 14:02:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2021-11-19 14:02:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2021-11-19 14:02:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2021-11-19 14:02:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2021-11-19 14:02:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2021-11-19 14:02:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2021-11-19 14:02:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2021-11-19 14:02:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:02:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:02:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2021-11-19 14:02:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2021-11-19 14:02:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65___0 [2021-11-19 14:02:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65___0 [2021-11-19 14:02:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2021-11-19 14:02:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2021-11-19 14:02:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2021-11-19 14:02:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2021-11-19 14:02:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2021-11-19 14:02:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2021-11-19 14:02:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-19 14:02:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-19 14:02:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:02:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:02:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:02:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:02:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:02:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-19 14:02:41,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-19 14:02:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-19 14:02:41,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-19 14:02:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2021-11-19 14:02:41,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2021-11-19 14:02:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2021-11-19 14:02:41,897 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2021-11-19 14:02:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-11-19 14:02:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-11-19 14:02:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:02:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:02:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2021-11-19 14:02:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2021-11-19 14:02:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2021-11-19 14:02:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2021-11-19 14:02:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-11-19 14:02:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-11-19 14:02:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2021-11-19 14:02:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2021-11-19 14:02:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2021-11-19 14:02:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2021-11-19 14:02:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2021-11-19 14:02:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2021-11-19 14:02:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_off_low_power [2021-11-19 14:02:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_off_low_power [2021-11-19 14:02:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-19 14:02:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-19 14:02:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-11-19 14:02:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-11-19 14:02:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-19 14:02:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-19 14:02:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2021-11-19 14:02:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2021-11-19 14:02:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2021-11-19 14:02:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2021-11-19 14:02:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-19 14:02:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-19 14:02:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64___0 [2021-11-19 14:02:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64___0 [2021-11-19 14:02:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-19 14:02:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-19 14:02:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:02:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:02:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2021-11-19 14:02:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2021-11-19 14:02:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2021-11-19 14:02:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2021-11-19 14:02:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2021-11-19 14:02:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2021-11-19 14:02:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2021-11-19 14:02:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2021-11-19 14:02:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:02:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:02:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:02:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:02:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2021-11-19 14:02:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2021-11-19 14:02:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:02:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:02:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-11-19 14:02:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-11-19 14:02:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64 [2021-11-19 14:02:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64 [2021-11-19 14:02:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2021-11-19 14:02:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2021-11-19 14:02:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2021-11-19 14:02:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2021-11-19 14:02:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2021-11-19 14:02:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2021-11-19 14:02:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-11-19 14:02:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-11-19 14:02:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-19 14:02:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-19 14:02:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2021-11-19 14:02:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2021-11-19 14:02:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2021-11-19 14:02:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2021-11-19 14:02:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:02:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-19 14:02:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-19 14:02:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-19 14:02:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2021-11-19 14:02:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2021-11-19 14:02:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-19 14:02:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-19 14:02:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-19 14:02:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-19 14:02:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:02:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:02:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2021-11-19 14:02:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2021-11-19 14:02:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:02:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:02:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-11-19 14:02:41,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-11-19 14:02:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2021-11-19 14:02:41,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2021-11-19 14:02:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2021-11-19 14:02:41,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2021-11-19 14:02:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 14:02:41,916 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 14:02:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-11-19 14:02:41,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-11-19 14:02:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2021-11-19 14:02:41,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2021-11-19 14:02:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-11-19 14:02:41,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-11-19 14:02:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2021-11-19 14:02:41,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2021-11-19 14:02:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:02:41,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:02:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2021-11-19 14:02:41,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2021-11-19 14:02:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-19 14:02:41,918 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-19 14:02:44,201 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:02:44,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:02:49,468 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:10:36,900 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:10:36,949 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:10:36,949 INFO L301 CfgBuilder]: Removed 20 assume(true) statements. [2021-11-19 14:10:36,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:10:36 BoogieIcfgContainer [2021-11-19 14:10:36,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:10:36,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:10:36,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:10:36,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:10:36,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:02:26" (1/3) ... [2021-11-19 14:10:36,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22cde8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:10:36, skipping insertion in model container [2021-11-19 14:10:36,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:39" (2/3) ... [2021-11-19 14:10:36,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22cde8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:10:36, skipping insertion in model container [2021-11-19 14:10:36,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:10:36" (3/3) ... [2021-11-19 14:10:36,980 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-19 14:10:36,986 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:10:36,991 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 14:10:37,079 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:10:37,087 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=FINITE_AUTOMATA, 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 [2021-11-19 14:10:37,087 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 14:10:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 7329 states, 4957 states have (on average 1.3679644946540246) internal successors, (6781), 5148 states have internal predecessors, (6781), 2197 states have call successors, (2197), 180 states have call predecessors, (2197), 179 states have return successors, (2189), 2108 states have call predecessors, (2189), 2189 states have call successors, (2189) [2021-11-19 14:10:37,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-19 14:10:37,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:10:37,277 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] [2021-11-19 14:10:37,278 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:10:37,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:10:37,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1742759556, now seen corresponding path program 1 times [2021-11-19 14:10:37,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:10:37,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924803911] [2021-11-19 14:10:37,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:10:37,327 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:10:37,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:10:37,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:10:37,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:10:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:10:58,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 9203 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:10:58,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:11:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:11:00,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:11:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:11:01,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:11:01,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [924803911] [2021-11-19 14:11:01,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [924803911] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:11:01,741 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:11:01,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-19 14:11:01,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936330096] [2021-11-19 14:11:01,745 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:11:01,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:11:01,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:11:01,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:11:01,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:11:01,810 INFO L87 Difference]: Start difference. First operand has 7329 states, 4957 states have (on average 1.3679644946540246) internal successors, (6781), 5148 states have internal predecessors, (6781), 2197 states have call successors, (2197), 180 states have call predecessors, (2197), 179 states have return successors, (2189), 2108 states have call predecessors, (2189), 2189 states have call successors, (2189) Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-19 14:11:04,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:11:04,176 INFO L93 Difference]: Finished difference Result 9560 states and 14671 transitions. [2021-11-19 14:11:04,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:11:04,179 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 48 [2021-11-19 14:11:04,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:11:04,266 INFO L225 Difference]: With dead ends: 9560 [2021-11-19 14:11:04,266 INFO L226 Difference]: Without dead ends: 4319 [2021-11-19 14:11:04,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:11:04,338 INFO L933 BasicCegarLoop]: 7063 mSDtfsCounter, 7024 mSDsluCounter, 21156 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7041 SdHoareTripleChecker+Valid, 28219 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:11:04,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7041 Valid, 28219 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 14:11:04,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2021-11-19 14:11:04,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4319. [2021-11-19 14:11:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4319 states, 3007 states have (on average 1.3269038909211839) internal successors, (3990), 3102 states have internal predecessors, (3990), 1173 states have call successors, (1173), 143 states have call predecessors, (1173), 136 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2021-11-19 14:11:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4319 states to 4319 states and 6318 transitions. [2021-11-19 14:11:05,098 INFO L78 Accepts]: Start accepts. Automaton has 4319 states and 6318 transitions. Word has length 48 [2021-11-19 14:11:05,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:11:05,099 INFO L470 AbstractCegarLoop]: Abstraction has 4319 states and 6318 transitions. [2021-11-19 14:11:05,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-19 14:11:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 4319 states and 6318 transitions. [2021-11-19 14:11:05,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-19 14:11:05,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:11:05,108 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] [2021-11-19 14:11:05,331 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2021-11-19 14:11:05,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2021-11-19 14:11:05,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:11:05,469 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:11:05,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:11:05,470 INFO L85 PathProgramCache]: Analyzing trace with hash -568719204, now seen corresponding path program 1 times [2021-11-19 14:11:05,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:11:05,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723055851] [2021-11-19 14:11:05,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:11:05,500 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:11:05,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:11:05,502 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:11:05,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:11:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:11:26,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 9210 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:11:26,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:11:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:11:28,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:11:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:11:29,697 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:11:29,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723055851] [2021-11-19 14:11:29,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723055851] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:11:29,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:11:29,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 14:11:29,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154852459] [2021-11-19 14:11:29,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:11:29,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:11:29,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:11:29,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:11:29,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:11:29,701 INFO L87 Difference]: Start difference. First operand 4319 states and 6318 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) [2021-11-19 14:11:31,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:11:31,208 INFO L93 Difference]: Finished difference Result 4325 states and 6323 transitions. [2021-11-19 14:11:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:11:31,212 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 [2021-11-19 14:11:31,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:11:31,269 INFO L225 Difference]: With dead ends: 4325 [2021-11-19 14:11:31,269 INFO L226 Difference]: Without dead ends: 4323 [2021-11-19 14:11:31,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:11:31,279 INFO L933 BasicCegarLoop]: 6315 mSDtfsCounter, 6282 mSDsluCounter, 12606 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6297 SdHoareTripleChecker+Valid, 18921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:11:31,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6297 Valid, 18921 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:11:31,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4323 states. [2021-11-19 14:11:31,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4323 to 4323. [2021-11-19 14:11:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4323 states, 3010 states have (on average 1.326578073089701) internal successors, (3993), 3105 states have internal predecessors, (3993), 1173 states have call successors, (1173), 144 states have call predecessors, (1173), 137 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2021-11-19 14:11:31,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4323 states to 4323 states and 6321 transitions. [2021-11-19 14:11:31,736 INFO L78 Accepts]: Start accepts. Automaton has 4323 states and 6321 transitions. Word has length 53 [2021-11-19 14:11:31,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:11:31,737 INFO L470 AbstractCegarLoop]: Abstraction has 4323 states and 6321 transitions. [2021-11-19 14:11:31,737 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) [2021-11-19 14:11:31,737 INFO L276 IsEmpty]: Start isEmpty. Operand 4323 states and 6321 transitions. [2021-11-19 14:11:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-19 14:11:31,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:11:31,750 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] [2021-11-19 14:11:31,963 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2021-11-19 14:11:32,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2021-11-19 14:11:32,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:11:32,095 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:11:32,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:11:32,096 INFO L85 PathProgramCache]: Analyzing trace with hash -452647620, now seen corresponding path program 1 times [2021-11-19 14:11:32,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:11:32,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123695810] [2021-11-19 14:11:32,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:11:32,122 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:11:32,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:11:32,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:11:32,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:11:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:11:52,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 9217 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:11:52,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:11:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 14:11:54,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:11:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 14:11:56,095 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:11:56,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123695810] [2021-11-19 14:11:56,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123695810] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:11:56,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:11:56,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 14:11:56,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562739750] [2021-11-19 14:11:56,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:11:56,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:11:56,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:11:56,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:11:56,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:11:56,098 INFO L87 Difference]: Start difference. First operand 4323 states and 6321 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) [2021-11-19 14:11:57,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:11:57,694 INFO L93 Difference]: Finished difference Result 4329 states and 6326 transitions. [2021-11-19 14:11:57,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:11:57,696 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 [2021-11-19 14:11:57,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:11:57,743 INFO L225 Difference]: With dead ends: 4329 [2021-11-19 14:11:57,743 INFO L226 Difference]: Without dead ends: 4327 [2021-11-19 14:11:57,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:11:57,752 INFO L933 BasicCegarLoop]: 6315 mSDtfsCounter, 6282 mSDsluCounter, 12606 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6296 SdHoareTripleChecker+Valid, 18921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:11:57,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6296 Valid, 18921 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:11:57,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4327 states. [2021-11-19 14:11:58,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4327 to 4327. [2021-11-19 14:11:58,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4327 states, 3013 states have (on average 1.32625290408231) internal successors, (3996), 3108 states have internal predecessors, (3996), 1173 states have call successors, (1173), 145 states have call predecessors, (1173), 138 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2021-11-19 14:11:58,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 4327 states and 6324 transitions. [2021-11-19 14:11:58,184 INFO L78 Accepts]: Start accepts. Automaton has 4327 states and 6324 transitions. Word has length 58 [2021-11-19 14:11:58,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:11:58,186 INFO L470 AbstractCegarLoop]: Abstraction has 4327 states and 6324 transitions. [2021-11-19 14:11:58,186 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) [2021-11-19 14:11:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 4327 states and 6324 transitions. [2021-11-19 14:11:58,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-19 14:11:58,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:11:58,192 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:11:58,408 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2021-11-19 14:11:58,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 137 [2021-11-19 14:11:58,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:11:58,541 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:11:58,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:11:58,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1372587100, now seen corresponding path program 1 times [2021-11-19 14:11:58,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:11:58,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119186617] [2021-11-19 14:11:58,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:11:58,564 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:11:58,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:11:58,565 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:11:58,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:12:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:12:18,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 9224 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:12:18,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:12:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:12:21,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:12:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:12:22,755 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:12:22,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119186617] [2021-11-19 14:12:22,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119186617] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:12:22,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:12:22,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 14:12:22,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242271000] [2021-11-19 14:12:22,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:12:22,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:12:22,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:12:22,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:12:22,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:12:22,759 INFO L87 Difference]: Start difference. First operand 4327 states and 6324 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 14:12:24,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:12:24,357 INFO L93 Difference]: Finished difference Result 4347 states and 6340 transitions. [2021-11-19 14:12:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:12:24,357 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2021-11-19 14:12:24,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:12:24,408 INFO L225 Difference]: With dead ends: 4347 [2021-11-19 14:12:24,408 INFO L226 Difference]: Without dead ends: 4345 [2021-11-19 14:12:24,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:12:24,415 INFO L933 BasicCegarLoop]: 6318 mSDtfsCounter, 6251 mSDsluCounter, 12652 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6264 SdHoareTripleChecker+Valid, 18970 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:12:24,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6264 Valid, 18970 Invalid, 27 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:12:24,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4345 states. [2021-11-19 14:12:24,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4345 to 4343. [2021-11-19 14:12:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4343 states, 3025 states have (on average 1.3252892561983471) internal successors, (4009), 3120 states have internal predecessors, (4009), 1173 states have call successors, (1173), 149 states have call predecessors, (1173), 142 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2021-11-19 14:12:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4343 states to 4343 states and 6337 transitions. [2021-11-19 14:12:24,865 INFO L78 Accepts]: Start accepts. Automaton has 4343 states and 6337 transitions. Word has length 63 [2021-11-19 14:12:24,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:12:24,865 INFO L470 AbstractCegarLoop]: Abstraction has 4343 states and 6337 transitions. [2021-11-19 14:12:24,866 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 14:12:24,866 INFO L276 IsEmpty]: Start isEmpty. Operand 4343 states and 6337 transitions. [2021-11-19 14:12:24,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-19 14:12:24,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:12:24,868 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] [2021-11-19 14:12:25,091 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forcibly destroying the process [2021-11-19 14:12:25,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 137 [2021-11-19 14:12:25,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:12:25,202 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:12:25,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:12:25,203 INFO L85 PathProgramCache]: Analyzing trace with hash 313569532, now seen corresponding path program 1 times [2021-11-19 14:12:25,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:12:25,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387573523] [2021-11-19 14:12:25,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:12:25,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:12:25,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:12:25,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:12:25,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:12:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:12:45,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 9231 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:12:45,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:12:47,889 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-19 14:12:47,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:12:49,268 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-19 14:12:49,268 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:12:49,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387573523] [2021-11-19 14:12:49,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387573523] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:12:49,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:12:49,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 14:12:49,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583986060] [2021-11-19 14:12:49,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:12:49,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:12:49,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:12:49,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:12:49,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:12:49,271 INFO L87 Difference]: Start difference. First operand 4343 states and 6337 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) [2021-11-19 14:12:50,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:12:50,709 INFO L93 Difference]: Finished difference Result 4359 states and 6350 transitions. [2021-11-19 14:12:50,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:12:50,710 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 [2021-11-19 14:12:50,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:12:50,758 INFO L225 Difference]: With dead ends: 4359 [2021-11-19 14:12:50,759 INFO L226 Difference]: Without dead ends: 4357 [2021-11-19 14:12:50,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:12:50,764 INFO L933 BasicCegarLoop]: 6318 mSDtfsCounter, 6245 mSDsluCounter, 12658 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6257 SdHoareTripleChecker+Valid, 18976 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:12:50,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6257 Valid, 18976 Invalid, 27 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:12:50,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4357 states. [2021-11-19 14:12:51,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4357 to 4355. [2021-11-19 14:12:51,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4355 states, 3034 states have (on average 1.3246539222148979) internal successors, (4019), 3129 states have internal predecessors, (4019), 1173 states have call successors, (1173), 152 states have call predecessors, (1173), 145 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2021-11-19 14:12:51,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 6347 transitions. [2021-11-19 14:12:51,217 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 6347 transitions. Word has length 68 [2021-11-19 14:12:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:12:51,218 INFO L470 AbstractCegarLoop]: Abstraction has 4355 states and 6347 transitions. [2021-11-19 14:12:51,219 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) [2021-11-19 14:12:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 6347 transitions. [2021-11-19 14:12:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-19 14:12:51,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:12:51,221 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:12:51,447 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2021-11-19 14:12:51,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 137 [2021-11-19 14:12:51,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:12:51,579 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:12:51,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:12:51,580 INFO L85 PathProgramCache]: Analyzing trace with hash -529866493, now seen corresponding path program 1 times [2021-11-19 14:12:51,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:12:51,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607413159] [2021-11-19 14:12:51,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:12:51,608 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:12:51,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:12:51,609 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:12:51,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:13:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:13:11,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 9278 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 14:13:11,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:13:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-19 14:13:16,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:13:21,421 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-19 14:13:21,421 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:13:21,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607413159] [2021-11-19 14:13:21,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607413159] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:13:21,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [143207168] [2021-11-19 14:13:21,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:13:21,422 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:13:21,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:13:21,424 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:13:21,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-19 14:13:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:13:27,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 9278 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:13:27,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:13:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-19 14:13:32,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:13:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-19 14:13:35,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [143207168] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:13:35,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:13:35,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15, 15, 4] total 23 [2021-11-19 14:13:35,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642775194] [2021-11-19 14:13:35,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:13:35,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:13:35,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:13:35,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:13:35,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:13:35,153 INFO L87 Difference]: Start difference. First operand 4355 states and 6347 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-19 14:13:37,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:13:37,298 INFO L93 Difference]: Finished difference Result 4384 states and 6370 transitions. [2021-11-19 14:13:37,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:13:37,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2021-11-19 14:13:37,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:13:37,365 INFO L225 Difference]: With dead ends: 4384 [2021-11-19 14:13:37,365 INFO L226 Difference]: Without dead ends: 4382 [2021-11-19 14:13:37,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-11-19 14:13:37,371 INFO L933 BasicCegarLoop]: 6322 mSDtfsCounter, 6227 mSDsluCounter, 12681 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6238 SdHoareTripleChecker+Valid, 19003 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:13:37,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6238 Valid, 19003 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:13:37,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4382 states. [2021-11-19 14:13:37,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4382 to 4380. [2021-11-19 14:13:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4380 states, 3053 states have (on average 1.3229610219456271) internal successors, (4039), 3148 states have internal predecessors, (4039), 1173 states have call successors, (1173), 158 states have call predecessors, (1173), 151 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2021-11-19 14:13:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4380 states to 4380 states and 6367 transitions. [2021-11-19 14:13:38,037 INFO L78 Accepts]: Start accepts. Automaton has 4380 states and 6367 transitions. Word has length 86 [2021-11-19 14:13:38,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:13:38,038 INFO L470 AbstractCegarLoop]: Abstraction has 4380 states and 6367 transitions. [2021-11-19 14:13:38,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-19 14:13:38,039 INFO L276 IsEmpty]: Start isEmpty. Operand 4380 states and 6367 transitions. [2021-11-19 14:13:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-19 14:13:38,040 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:13:38,041 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:13:38,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:13:38,468 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forcibly destroying the process [2021-11-19 14:13:38,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 137 [2021-11-19 14:13:38,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:13:38,566 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:13:38,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:13:38,566 INFO L85 PathProgramCache]: Analyzing trace with hash 464704565, now seen corresponding path program 1 times [2021-11-19 14:13:38,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:13:38,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922738472] [2021-11-19 14:13:38,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:13:38,585 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:13:38,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:13:38,586 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:13:38,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 14:13:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:13:58,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 9285 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 14:13:58,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:14:03,863 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-19 14:14:03,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:14:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-19 14:14:08,500 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:14:08,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922738472] [2021-11-19 14:14:08,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922738472] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:14:08,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1409613372] [2021-11-19 14:14:08,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:14:08,501 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:14:08,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:14:08,502 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:14:08,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-19 14:14:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:14:14,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 9285 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:14:14,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:14:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-19 14:14:18,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:14:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-19 14:14:21,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1409613372] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:14:21,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:14:21,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15, 15, 4] total 23 [2021-11-19 14:14:21,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027328718] [2021-11-19 14:14:21,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:14:21,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:14:21,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:14:21,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:14:21,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:14:21,484 INFO L87 Difference]: Start difference. First operand 4380 states and 6367 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-19 14:14:23,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:14:23,575 INFO L93 Difference]: Finished difference Result 4386 states and 6372 transitions. [2021-11-19 14:14:23,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:14:23,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2021-11-19 14:14:23,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:14:23,604 INFO L225 Difference]: With dead ends: 4386 [2021-11-19 14:14:23,605 INFO L226 Difference]: Without dead ends: 4384 [2021-11-19 14:14:23,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-11-19 14:14:23,611 INFO L933 BasicCegarLoop]: 6315 mSDtfsCounter, 6272 mSDsluCounter, 12606 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6282 SdHoareTripleChecker+Valid, 18921 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:14:23,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6282 Valid, 18921 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:14:23,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4384 states. [2021-11-19 14:14:24,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4384 to 4384. [2021-11-19 14:14:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4384 states, 3056 states have (on average 1.3226439790575917) internal successors, (4042), 3151 states have internal predecessors, (4042), 1173 states have call successors, (1173), 159 states have call predecessors, (1173), 152 states have return successors, (1155), 1113 states have call predecessors, (1155), 1155 states have call successors, (1155) [2021-11-19 14:14:24,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4384 states to 4384 states and 6370 transitions. [2021-11-19 14:14:24,070 INFO L78 Accepts]: Start accepts. Automaton has 4384 states and 6370 transitions. Word has length 91 [2021-11-19 14:14:24,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:14:24,071 INFO L470 AbstractCegarLoop]: Abstraction has 4384 states and 6370 transitions. [2021-11-19 14:14:24,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-19 14:14:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 4384 states and 6370 transitions. [2021-11-19 14:14:24,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-19 14:14:24,073 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:14:24,074 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:14:24,295 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forcibly destroying the process [2021-11-19 14:14:24,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 137 [2021-11-19 14:14:24,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-11-19 14:14:24,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:14:24,625 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:14:24,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:14:24,625 INFO L85 PathProgramCache]: Analyzing trace with hash -740677629, now seen corresponding path program 1 times [2021-11-19 14:14:24,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:14:24,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604861594] [2021-11-19 14:14:24,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:14:24,642 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:14:24,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:14:24,645 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:14:24,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 14:14:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:14:42,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 9292 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 14:14:42,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:14:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-19 14:14:47,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:14:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-19 14:14:51,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:14:51,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604861594] [2021-11-19 14:14:51,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604861594] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:14:51,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [91839381] [2021-11-19 14:14:51,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:14:51,628 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:14:51,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:14:51,632 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:14:51,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-19 14:14:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:14:56,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 9292 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:14:56,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:15:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-19 14:15:00,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:15:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-19 14:15:03,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [91839381] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:15:03,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:15:03,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15, 15, 4] total 23 [2021-11-19 14:15:03,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378131122] [2021-11-19 14:15:03,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:15:03,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:15:03,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:15:03,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:15:03,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:15:03,519 INFO L87 Difference]: Start difference. First operand 4384 states and 6370 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 14:15:05,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:15:05,525 INFO L93 Difference]: Finished difference Result 4512 states and 6517 transitions. [2021-11-19 14:15:05,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:15:05,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 96 [2021-11-19 14:15:05,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:15:05,549 INFO L225 Difference]: With dead ends: 4512 [2021-11-19 14:15:05,550 INFO L226 Difference]: Without dead ends: 4510 [2021-11-19 14:15:05,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-11-19 14:15:05,553 INFO L933 BasicCegarLoop]: 6336 mSDtfsCounter, 6256 mSDsluCounter, 12806 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6265 SdHoareTripleChecker+Valid, 19142 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:15:05,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6265 Valid, 19142 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:15:05,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4510 states. [2021-11-19 14:15:05,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4510 to 4508. [2021-11-19 14:15:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4508 states, 3144 states have (on average 1.3180661577608141) internal successors, (4144), 3240 states have internal predecessors, (4144), 1194 states have call successors, (1194), 174 states have call predecessors, (1194), 167 states have return successors, (1176), 1134 states have call predecessors, (1176), 1176 states have call successors, (1176) [2021-11-19 14:15:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4508 states to 4508 states and 6514 transitions. [2021-11-19 14:15:06,012 INFO L78 Accepts]: Start accepts. Automaton has 4508 states and 6514 transitions. Word has length 96 [2021-11-19 14:15:06,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:15:06,012 INFO L470 AbstractCegarLoop]: Abstraction has 4508 states and 6514 transitions. [2021-11-19 14:15:06,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 14:15:06,013 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states and 6514 transitions. [2021-11-19 14:15:06,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-19 14:15:06,015 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:15:06,015 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:15:06,239 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forcibly destroying the process [2021-11-19 14:15:06,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 137 [2021-11-19 14:15:06,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-19 14:15:06,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:15:06,556 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:15:06,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:15:06,556 INFO L85 PathProgramCache]: Analyzing trace with hash 502406325, now seen corresponding path program 1 times [2021-11-19 14:15:06,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:15:06,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208061482] [2021-11-19 14:15:06,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:15:06,565 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:15:06,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:15:06,566 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:15:06,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4343377-1fe1-4ff8-8886-ba0777d97c81/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 14:15:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:15:23,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 9299 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 14:15:23,808 INFO L286 TraceCheckSpWp]: Computing forward predicates...