./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:37:03,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:03,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:03,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:03,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:03,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:03,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:03,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:03,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:03,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:03,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:03,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:03,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:03,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:03,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:03,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:03,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:03,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:03,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:03,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:03,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:03,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:03,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:03,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:03,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:03,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:03,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:03,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:03,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:03,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:03,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:03,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:03,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:03,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:03,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:03,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:03,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:03,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:03,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:03,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:03,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:03,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:37:03,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:03,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:03,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:03,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:03,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:03,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:03,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:03,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:03,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:03,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:03,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:03,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:03,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:03,212 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:03,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:03,212 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:03,213 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:03,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:03,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:03,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:03,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:03,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:03,214 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:03,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:03,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:03,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 [2022-10-17 16:37:03,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:03,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:03,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:03,508 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:03,509 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:03,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2022-10-17 16:37:03,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/data/8eec31f61/296804ce5f494589bc9f741c9444a7de/FLAG47659ea84 [2022-10-17 16:37:04,644 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:04,645 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2022-10-17 16:37:04,703 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/data/8eec31f61/296804ce5f494589bc9f741c9444a7de/FLAG47659ea84 [2022-10-17 16:37:04,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/data/8eec31f61/296804ce5f494589bc9f741c9444a7de [2022-10-17 16:37:04,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:04,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:04,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:04,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:04,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:04,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:04" (1/1) ... [2022-10-17 16:37:04,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@303ab920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:04, skipping insertion in model container [2022-10-17 16:37:04,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:04" (1/1) ... [2022-10-17 16:37:04,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:05,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:09,079 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_814c3449-1c8a-48c7-acaf-90ccd52a93f1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2022-10-17 16:37:09,083 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_814c3449-1c8a-48c7-acaf-90ccd52a93f1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2022-10-17 16:37:09,083 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_814c3449-1c8a-48c7-acaf-90ccd52a93f1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2022-10-17 16:37:09,084 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_814c3449-1c8a-48c7-acaf-90ccd52a93f1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2022-10-17 16:37:09,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:09,199 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:09,755 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_814c3449-1c8a-48c7-acaf-90ccd52a93f1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2022-10-17 16:37:09,756 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_814c3449-1c8a-48c7-acaf-90ccd52a93f1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2022-10-17 16:37:09,757 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_814c3449-1c8a-48c7-acaf-90ccd52a93f1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2022-10-17 16:37:09,762 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_814c3449-1c8a-48c7-acaf-90ccd52a93f1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2022-10-17 16:37:09,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:10,019 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:10,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10 WrapperNode [2022-10-17 16:37:10,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:10,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:10,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:10,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:10,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,556 INFO L138 Inliner]: procedures = 518, calls = 3478, calls flagged for inlining = 278, calls inlined = 255, statements flattened = 9040 [2022-10-17 16:37:10,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:10,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:10,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:10,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:10,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:10,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:11,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:11,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:11,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:11,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:11,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:11,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:11,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:10" (1/1) ... [2022-10-17 16:37:11,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:11,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:11,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:11,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c3449-1c8a-48c7-acaf-90ccd52a93f1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2022-10-17 16:37:11,239 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2022-10-17 16:37:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2022-10-17 16:37:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2022-10-17 16:37:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 16:37:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 16:37:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2022-10-17 16:37:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2022-10-17 16:37:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2022-10-17 16:37:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2022-10-17 16:37:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2022-10-17 16:37:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2022-10-17 16:37:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 16:37:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 16:37:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:37:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:37:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2022-10-17 16:37:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2022-10-17 16:37:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2022-10-17 16:37:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2022-10-17 16:37:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-10-17 16:37:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-10-17 16:37:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2022-10-17 16:37:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2022-10-17 16:37:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2022-10-17 16:37:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2022-10-17 16:37:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2022-10-17 16:37:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2022-10-17 16:37:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2022-10-17 16:37:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2022-10-17 16:37:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-10-17 16:37:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-10-17 16:37:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2022-10-17 16:37:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2022-10-17 16:37:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 16:37:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 16:37:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2022-10-17 16:37:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2022-10-17 16:37:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2022-10-17 16:37:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2022-10-17 16:37:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2022-10-17 16:37:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2022-10-17 16:37:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2022-10-17 16:37:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2022-10-17 16:37:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 16:37:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2022-10-17 16:37:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2022-10-17 16:37:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2022-10-17 16:37:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2022-10-17 16:37:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 16:37:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 16:37:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-10-17 16:37:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-10-17 16:37:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 16:37:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 16:37:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-10-17 16:37:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-10-17 16:37:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 16:37:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 16:37:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:37:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2022-10-17 16:37:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2022-10-17 16:37:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 16:37:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 16:37:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___4 [2022-10-17 16:37:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___4 [2022-10-17 16:37:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___2 [2022-10-17 16:37:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___2 [2022-10-17 16:37:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2022-10-17 16:37:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2022-10-17 16:37:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 16:37:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 16:37:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 16:37:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 16:37:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-10-17 16:37:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-10-17 16:37:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2022-10-17 16:37:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2022-10-17 16:37:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2022-10-17 16:37:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2022-10-17 16:37:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2022-10-17 16:37:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2022-10-17 16:37:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 16:37:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 16:37:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2022-10-17 16:37:11,258 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2022-10-17 16:37:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:37:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 16:37:11,259 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 16:37:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2022-10-17 16:37:11,259 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2022-10-17 16:37:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2022-10-17 16:37:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2022-10-17 16:37:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:37:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 16:37:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 16:37:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2022-10-17 16:37:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2022-10-17 16:37:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2022-10-17 16:37:11,262 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2022-10-17 16:37:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:37:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2022-10-17 16:37:11,262 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2022-10-17 16:37:11,262 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2022-10-17 16:37:11,263 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2022-10-17 16:37:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 16:37:11,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 16:37:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2022-10-17 16:37:11,263 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2022-10-17 16:37:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2022-10-17 16:37:11,264 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2022-10-17 16:37:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2022-10-17 16:37:11,264 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2022-10-17 16:37:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-10-17 16:37:11,265 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-10-17 16:37:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 16:37:11,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 16:37:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2022-10-17 16:37:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2022-10-17 16:37:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-17 16:37:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-17 16:37:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2022-10-17 16:37:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2022-10-17 16:37:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2022-10-17 16:37:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2022-10-17 16:37:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:37:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-10-17 16:37:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-10-17 16:37:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 16:37:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 16:37:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 16:37:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 16:37:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-10-17 16:37:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-10-17 16:37:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-17 16:37:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-17 16:37:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2022-10-17 16:37:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-10-17 16:37:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-10-17 16:37:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 16:37:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 16:37:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:37:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 16:37:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2022-10-17 16:37:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2022-10-17 16:37:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-17 16:37:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-17 16:37:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2022-10-17 16:37:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2022-10-17 16:37:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2022-10-17 16:37:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2022-10-17 16:37:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2022-10-17 16:37:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2022-10-17 16:37:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-17 16:37:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-17 16:37:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2022-10-17 16:37:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2022-10-17 16:37:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 16:37:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 16:37:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2022-10-17 16:37:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2022-10-17 16:37:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2022-10-17 16:37:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2022-10-17 16:37:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2022-10-17 16:37:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2022-10-17 16:37:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2022-10-17 16:37:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2022-10-17 16:37:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 16:37:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 16:37:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2022-10-17 16:37:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2022-10-17 16:37:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-17 16:37:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-17 16:37:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2022-10-17 16:37:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2022-10-17 16:37:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-10-17 16:37:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-10-17 16:37:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:37:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:37:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2022-10-17 16:37:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2022-10-17 16:37:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 16:37:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 16:37:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2022-10-17 16:37:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2022-10-17 16:37:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-10-17 16:37:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-10-17 16:37:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp [2022-10-17 16:37:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp [2022-10-17 16:37:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 16:37:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 16:37:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2022-10-17 16:37:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2022-10-17 16:37:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2022-10-17 16:37:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2022-10-17 16:37:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-10-17 16:37:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-10-17 16:37:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2022-10-17 16:37:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2022-10-17 16:37:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2022-10-17 16:37:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2022-10-17 16:37:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2022-10-17 16:37:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2022-10-17 16:37:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2022-10-17 16:37:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2022-10-17 16:37:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 16:37:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 16:37:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2022-10-17 16:37:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2022-10-17 16:37:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 16:37:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 16:37:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2022-10-17 16:37:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2022-10-17 16:37:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-10-17 16:37:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-10-17 16:37:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2022-10-17 16:37:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2022-10-17 16:37:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2022-10-17 16:37:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2022-10-17 16:37:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 16:37:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 16:37:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2022-10-17 16:37:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2022-10-17 16:37:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:37:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 16:37:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 16:37:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2022-10-17 16:37:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2022-10-17 16:37:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-10-17 16:37:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-10-17 16:37:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2022-10-17 16:37:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2022-10-17 16:37:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:37:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-10-17 16:37:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-10-17 16:37:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-10-17 16:37:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-10-17 16:37:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-17 16:37:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-17 16:37:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:37:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 16:37:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 16:37:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 16:37:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 16:37:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2022-10-17 16:37:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2022-10-17 16:37:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 16:37:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 16:37:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2022-10-17 16:37:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2022-10-17 16:37:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 16:37:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 16:37:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2022-10-17 16:37:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2022-10-17 16:37:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2022-10-17 16:37:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2022-10-17 16:37:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 16:37:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 16:37:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 16:37:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 16:37:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2022-10-17 16:37:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2022-10-17 16:37:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2022-10-17 16:37:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2022-10-17 16:37:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-17 16:37:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-17 16:37:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2022-10-17 16:37:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2022-10-17 16:37:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2022-10-17 16:37:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2022-10-17 16:37:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:37:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:37:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2022-10-17 16:37:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2022-10-17 16:37:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-17 16:37:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-17 16:37:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2022-10-17 16:37:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2022-10-17 16:37:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2022-10-17 16:37:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2022-10-17 16:37:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-10-17 16:37:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-10-17 16:37:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-10-17 16:37:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-10-17 16:37:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:37:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2022-10-17 16:37:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2022-10-17 16:37:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2022-10-17 16:37:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2022-10-17 16:37:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 16:37:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 16:37:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-10-17 16:37:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-10-17 16:37:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2022-10-17 16:37:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2022-10-17 16:37:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-10-17 16:37:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-10-17 16:37:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2022-10-17 16:37:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2022-10-17 16:37:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 16:37:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 16:37:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2022-10-17 16:37:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2022-10-17 16:37:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-17 16:37:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-17 16:37:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2022-10-17 16:37:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2022-10-17 16:37:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-17 16:37:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-17 16:37:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-17 16:37:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-17 16:37:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 16:37:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 16:37:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 16:37:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 16:37:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2022-10-17 16:37:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2022-10-17 16:37:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 16:37:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 16:37:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2022-10-17 16:37:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2022-10-17 16:37:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 16:37:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 16:37:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 16:37:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 16:37:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_nested [2022-10-17 16:37:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_nested [2022-10-17 16:37:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-10-17 16:37:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-10-17 16:37:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:37:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2022-10-17 16:37:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2022-10-17 16:37:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2022-10-17 16:37:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2022-10-17 16:37:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2022-10-17 16:37:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2022-10-17 16:37:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 16:37:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 16:37:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-17 16:37:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-10-17 16:37:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-10-17 16:37:12,857 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:12,863 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:13,133 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 16:37:14,384 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2022-10-17 16:37:30,819 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 16:37:31,135 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:33,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:33,438 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-10-17 16:37:33,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:33 BoogieIcfgContainer [2022-10-17 16:37:33,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:33,447 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:33,448 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:33,459 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:33,459 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:33" (1/1) ... [2022-10-17 16:37:33,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:33,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 2600 states and 3806 transitions. [2022-10-17 16:37:33,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3806 transitions. [2022-10-17 16:37:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-10-17 16:37:33,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:33,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-10-17 16:37:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:35,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 2613 states and 3827 transitions. [2022-10-17 16:37:35,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3827 transitions. [2022-10-17 16:37:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-10-17 16:37:35,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:35,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 7749 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7746 trivial. 0 not checked.