./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 04:17:44,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 04:17:44,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 04:17:44,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 04:17:44,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 04:17:44,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 04:17:44,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 04:17:44,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 04:17:44,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 04:17:44,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 04:17:44,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 04:17:44,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 04:17:44,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 04:17:44,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 04:17:44,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 04:17:44,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 04:17:44,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 04:17:44,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 04:17:44,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 04:17:44,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 04:17:44,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 04:17:44,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 04:17:44,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 04:17:44,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 04:17:44,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 04:17:44,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 04:17:44,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 04:17:44,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 04:17:44,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 04:17:44,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 04:17:44,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 04:17:44,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 04:17:44,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 04:17:44,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 04:17:44,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 04:17:44,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 04:17:44,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 04:17:44,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 04:17:44,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 04:17:44,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 04:17:44,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 04:17:44,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 04:17:44,957 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 04:17:44,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 04:17:44,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 04:17:44,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 04:17:44,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 04:17:44,959 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 04:17:44,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 04:17:44,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 04:17:44,963 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 04:17:44,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 04:17:44,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 04:17:44,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 04:17:44,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 04:17:44,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 04:17:44,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 04:17:44,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 04:17:44,964 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 04:17:44,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 04:17:44,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 04:17:44,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 04:17:44,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 04:17:44,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:17:44,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 04:17:44,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 04:17:44,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 04:17:44,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 04:17:44,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 04:17:44,969 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 04:17:44,969 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 04:17:44,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 04:17:44,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 04:17:44,970 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2021-12-18 04:17:45,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 04:17:45,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 04:17:45,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 04:17:45,219 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 04:17:45,219 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 04:17:45,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-12-18 04:17:45,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b5b7028a/9335959a159d498aa5ef7c0fdd8e6d02/FLAG5b3680130 [2021-12-18 04:17:46,011 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 04:17:46,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-12-18 04:17:46,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b5b7028a/9335959a159d498aa5ef7c0fdd8e6d02/FLAG5b3680130 [2021-12-18 04:17:46,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b5b7028a/9335959a159d498aa5ef7c0fdd8e6d02 [2021-12-18 04:17:46,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 04:17:46,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 04:17:46,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 04:17:46,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 04:17:46,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 04:17:46,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:17:46" (1/1) ... [2021-12-18 04:17:46,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b98749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:46, skipping insertion in model container [2021-12-18 04:17:46,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:17:46" (1/1) ... [2021-12-18 04:17:46,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 04:17:46,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 04:17:47,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2021-12-18 04:17:51,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:17:51,274 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 04:17:51,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2021-12-18 04:17:51,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:17:51,967 INFO L208 MainTranslator]: Completed translation [2021-12-18 04:17:51,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51 WrapperNode [2021-12-18 04:17:51,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 04:17:51,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 04:17:51,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 04:17:51,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 04:17:51,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51" (1/1) ... [2021-12-18 04:17:52,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51" (1/1) ... [2021-12-18 04:17:52,393 INFO L137 Inliner]: procedures = 713, calls = 6649, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13076 [2021-12-18 04:17:52,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 04:17:52,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 04:17:52,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 04:17:52,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 04:17:52,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51" (1/1) ... [2021-12-18 04:17:52,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51" (1/1) ... [2021-12-18 04:17:52,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51" (1/1) ... [2021-12-18 04:17:52,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51" (1/1) ... [2021-12-18 04:17:52,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51" (1/1) ... [2021-12-18 04:17:52,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51" (1/1) ... [2021-12-18 04:17:52,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51" (1/1) ... [2021-12-18 04:17:52,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 04:17:52,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 04:17:52,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 04:17:52,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 04:17:52,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51" (1/1) ... [2021-12-18 04:17:52,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:17:52,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:17:52,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 04:17:52,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 04:17:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2021-12-18 04:17:52,970 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2021-12-18 04:17:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2021-12-18 04:17:52,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2021-12-18 04:17:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-18 04:17:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-18 04:17:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2021-12-18 04:17:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2021-12-18 04:17:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2021-12-18 04:17:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2021-12-18 04:17:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2021-12-18 04:17:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2021-12-18 04:17:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-18 04:17:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-18 04:17:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2021-12-18 04:17:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2021-12-18 04:17:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-12-18 04:17:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-12-18 04:17:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2021-12-18 04:17:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2021-12-18 04:17:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2021-12-18 04:17:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2021-12-18 04:17:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 04:17:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 04:17:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2021-12-18 04:17:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2021-12-18 04:17:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 04:17:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 04:17:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2021-12-18 04:17:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2021-12-18 04:17:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2021-12-18 04:17:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2021-12-18 04:17:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2021-12-18 04:17:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2021-12-18 04:17:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-18 04:17:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-18 04:17:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2021-12-18 04:17:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2021-12-18 04:17:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2021-12-18 04:17:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2021-12-18 04:17:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2021-12-18 04:17:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2021-12-18 04:17:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2021-12-18 04:17:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2021-12-18 04:17:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2021-12-18 04:17:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2021-12-18 04:17:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 04:17:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 04:17:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2021-12-18 04:17:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2021-12-18 04:17:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2021-12-18 04:17:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2021-12-18 04:17:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2021-12-18 04:17:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2021-12-18 04:17:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2021-12-18 04:17:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2021-12-18 04:17:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2021-12-18 04:17:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2021-12-18 04:17:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2021-12-18 04:17:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2021-12-18 04:17:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2021-12-18 04:17:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2021-12-18 04:17:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 04:17:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 04:17:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2021-12-18 04:17:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2021-12-18 04:17:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2021-12-18 04:17:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2021-12-18 04:17:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2021-12-18 04:17:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2021-12-18 04:17:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2021-12-18 04:17:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2021-12-18 04:17:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2021-12-18 04:17:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2021-12-18 04:17:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2021-12-18 04:17:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2021-12-18 04:17:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2021-12-18 04:17:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2021-12-18 04:17:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-18 04:17:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2021-12-18 04:17:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2021-12-18 04:17:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 04:17:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 04:17:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2021-12-18 04:17:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2021-12-18 04:17:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2021-12-18 04:17:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2021-12-18 04:17:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2021-12-18 04:17:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2021-12-18 04:17:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2021-12-18 04:17:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2021-12-18 04:17:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2021-12-18 04:17:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2021-12-18 04:17:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 04:17:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2021-12-18 04:17:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2021-12-18 04:17:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2021-12-18 04:17:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2021-12-18 04:17:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 04:17:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 04:17:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 04:17:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 04:17:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2021-12-18 04:17:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2021-12-18 04:17:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-18 04:17:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-18 04:17:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2021-12-18 04:17:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2021-12-18 04:17:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2021-12-18 04:17:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2021-12-18 04:17:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 04:17:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 04:17:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2021-12-18 04:17:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2021-12-18 04:17:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 04:17:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 04:17:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2021-12-18 04:17:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2021-12-18 04:17:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2021-12-18 04:17:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2021-12-18 04:17:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 04:17:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 04:17:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 04:17:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2021-12-18 04:17:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2021-12-18 04:17:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2021-12-18 04:17:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2021-12-18 04:17:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2021-12-18 04:17:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2021-12-18 04:17:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 04:17:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 04:17:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 04:17:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2021-12-18 04:17:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2021-12-18 04:17:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2021-12-18 04:17:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2021-12-18 04:17:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-18 04:17:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-18 04:17:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2021-12-18 04:17:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2021-12-18 04:17:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 04:17:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-18 04:17:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-18 04:17:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 04:17:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 04:17:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-18 04:17:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-18 04:17:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2021-12-18 04:17:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2021-12-18 04:17:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2021-12-18 04:17:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2021-12-18 04:17:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-18 04:17:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-18 04:17:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-18 04:17:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-18 04:17:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-18 04:17:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-18 04:17:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2021-12-18 04:17:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2021-12-18 04:17:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-18 04:17:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-18 04:17:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2021-12-18 04:17:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2021-12-18 04:17:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2021-12-18 04:17:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2021-12-18 04:17:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2021-12-18 04:17:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2021-12-18 04:17:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 04:17:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 04:17:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2021-12-18 04:17:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2021-12-18 04:17:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2021-12-18 04:17:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2021-12-18 04:17:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2021-12-18 04:17:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2021-12-18 04:17:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-18 04:17:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-18 04:17:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-18 04:17:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2021-12-18 04:17:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2021-12-18 04:17:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 04:17:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-12-18 04:17:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-12-18 04:17:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-18 04:17:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-18 04:17:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2021-12-18 04:17:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2021-12-18 04:17:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 04:17:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2021-12-18 04:17:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2021-12-18 04:17:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-18 04:17:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-18 04:17:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2021-12-18 04:17:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2021-12-18 04:17:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-18 04:17:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-18 04:17:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 04:17:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 04:17:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2021-12-18 04:17:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2021-12-18 04:17:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 04:17:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 04:17:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2021-12-18 04:17:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2021-12-18 04:17:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2021-12-18 04:17:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2021-12-18 04:17:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-18 04:17:53,000 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-18 04:17:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-18 04:17:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-18 04:17:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2021-12-18 04:17:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2021-12-18 04:17:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2021-12-18 04:17:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2021-12-18 04:17:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 04:17:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 04:17:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-18 04:17:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-18 04:17:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2021-12-18 04:17:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2021-12-18 04:17:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-18 04:17:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-18 04:17:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 04:17:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 04:17:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 04:17:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 04:17:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-12-18 04:17:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-12-18 04:17:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2021-12-18 04:17:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2021-12-18 04:17:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2021-12-18 04:17:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2021-12-18 04:17:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2021-12-18 04:17:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2021-12-18 04:17:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 04:17:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 04:17:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2021-12-18 04:17:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2021-12-18 04:17:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2021-12-18 04:17:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2021-12-18 04:17:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-18 04:17:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-18 04:17:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 04:17:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 04:17:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2021-12-18 04:17:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2021-12-18 04:17:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-18 04:17:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-18 04:17:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 04:17:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 04:17:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-18 04:17:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-18 04:17:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2021-12-18 04:17:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2021-12-18 04:17:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 04:17:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 04:17:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2021-12-18 04:17:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2021-12-18 04:17:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 04:17:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 04:17:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2021-12-18 04:17:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2021-12-18 04:17:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2021-12-18 04:17:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2021-12-18 04:17:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2021-12-18 04:17:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2021-12-18 04:17:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-18 04:17:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-18 04:17:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2021-12-18 04:17:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2021-12-18 04:17:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 04:17:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 04:17:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 04:17:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 04:17:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-18 04:17:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-18 04:17:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2021-12-18 04:17:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2021-12-18 04:17:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-18 04:17:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-18 04:17:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-18 04:17:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-18 04:17:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-18 04:17:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-18 04:17:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2021-12-18 04:17:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2021-12-18 04:17:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2021-12-18 04:17:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2021-12-18 04:17:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2021-12-18 04:17:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2021-12-18 04:17:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2021-12-18 04:17:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2021-12-18 04:17:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2021-12-18 04:17:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2021-12-18 04:17:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2021-12-18 04:17:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2021-12-18 04:17:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2021-12-18 04:17:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2021-12-18 04:17:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 04:17:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 04:17:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-18 04:17:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-18 04:17:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-18 04:17:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-18 04:17:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 04:17:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 04:17:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-12-18 04:17:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-12-18 04:17:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-18 04:17:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-18 04:17:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2021-12-18 04:17:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2021-12-18 04:17:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 04:17:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 04:17:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2021-12-18 04:17:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2021-12-18 04:17:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 04:17:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 04:17:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 04:17:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 04:17:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2021-12-18 04:17:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2021-12-18 04:17:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-18 04:17:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-18 04:17:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2021-12-18 04:17:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2021-12-18 04:17:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2021-12-18 04:17:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2021-12-18 04:17:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-18 04:17:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-18 04:17:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2021-12-18 04:17:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2021-12-18 04:17:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2021-12-18 04:17:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2021-12-18 04:17:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-18 04:17:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-18 04:17:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2021-12-18 04:17:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2021-12-18 04:17:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2021-12-18 04:17:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2021-12-18 04:17:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 04:17:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 04:17:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 04:17:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2021-12-18 04:17:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2021-12-18 04:17:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 04:17:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-18 04:17:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-18 04:17:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-18 04:17:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-18 04:17:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-18 04:17:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-18 04:17:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2021-12-18 04:17:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2021-12-18 04:17:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2021-12-18 04:17:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2021-12-18 04:17:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-18 04:17:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-18 04:17:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2021-12-18 04:17:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2021-12-18 04:17:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2021-12-18 04:17:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2021-12-18 04:17:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 04:17:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2021-12-18 04:17:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2021-12-18 04:17:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2021-12-18 04:17:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2021-12-18 04:17:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2021-12-18 04:17:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2021-12-18 04:17:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2021-12-18 04:17:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2021-12-18 04:17:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 04:17:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 04:17:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-18 04:17:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-18 04:17:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 04:17:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 04:17:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2021-12-18 04:17:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2021-12-18 04:17:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 04:17:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 04:17:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 04:17:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 04:17:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-12-18 04:17:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-12-18 04:17:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-18 04:17:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-18 04:17:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 04:17:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 04:17:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-18 04:17:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-18 04:17:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2021-12-18 04:17:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2021-12-18 04:17:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-18 04:17:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-18 04:17:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 04:17:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 04:17:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2021-12-18 04:17:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2021-12-18 04:17:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-18 04:17:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-18 04:17:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-18 04:17:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-18 04:17:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 04:17:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 04:17:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-18 04:17:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-18 04:17:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 04:17:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 04:17:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2021-12-18 04:17:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2021-12-18 04:17:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 04:17:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 04:17:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2021-12-18 04:17:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2021-12-18 04:17:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-18 04:17:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-18 04:17:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2021-12-18 04:17:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2021-12-18 04:17:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-18 04:17:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-18 04:17:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 04:17:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-18 04:17:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2021-12-18 04:17:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-12-18 04:17:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2021-12-18 04:17:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-18 04:17:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2021-12-18 04:17:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-18 04:17:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 04:17:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2021-12-18 04:17:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-18 04:17:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-18 04:17:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 04:17:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 04:17:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 04:17:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 04:17:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-12-18 04:17:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-12-18 04:17:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2021-12-18 04:17:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2021-12-18 04:17:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-18 04:17:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-18 04:17:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2021-12-18 04:17:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2021-12-18 04:17:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2021-12-18 04:17:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2021-12-18 04:17:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2021-12-18 04:17:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2021-12-18 04:17:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2021-12-18 04:17:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2021-12-18 04:17:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 04:17:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 04:17:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-18 04:17:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-18 04:17:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-18 04:17:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-18 04:17:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2021-12-18 04:17:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2021-12-18 04:17:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2021-12-18 04:17:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2021-12-18 04:17:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2021-12-18 04:17:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2021-12-18 04:17:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-12-18 04:17:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-12-18 04:17:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2021-12-18 04:17:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2021-12-18 04:17:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2021-12-18 04:17:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2021-12-18 04:17:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2021-12-18 04:17:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2021-12-18 04:17:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 04:17:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 04:17:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 04:17:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 04:17:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-12-18 04:17:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-12-18 04:17:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2021-12-18 04:17:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2021-12-18 04:17:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-18 04:17:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-18 04:17:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2021-12-18 04:17:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2021-12-18 04:17:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 04:17:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2021-12-18 04:17:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2021-12-18 04:17:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2021-12-18 04:17:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2021-12-18 04:17:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2021-12-18 04:17:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2021-12-18 04:17:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2021-12-18 04:17:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2021-12-18 04:17:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2021-12-18 04:17:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2021-12-18 04:17:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2021-12-18 04:17:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2021-12-18 04:17:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-12-18 04:17:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-18 04:17:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-18 04:17:54,235 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 04:17:54,238 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 04:17:54,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 04:18:02,323 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 04:18:02,348 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 04:18:02,349 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-18 04:18:02,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:18:02 BoogieIcfgContainer [2021-12-18 04:18:02,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 04:18:02,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 04:18:02,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 04:18:02,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 04:18:02,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:17:46" (1/3) ... [2021-12-18 04:18:02,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a49d156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:18:02, skipping insertion in model container [2021-12-18 04:18:02,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:51" (2/3) ... [2021-12-18 04:18:02,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a49d156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:18:02, skipping insertion in model container [2021-12-18 04:18:02,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:18:02" (3/3) ... [2021-12-18 04:18:02,359 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-12-18 04:18:02,362 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 04:18:02,363 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 04:18:02,409 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 04:18:02,414 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 04:18:02,414 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 04:18:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 4550 states, 3055 states have (on average 1.348936170212766) internal successors, (4121), 3164 states have internal predecessors, (4121), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) [2021-12-18 04:18:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-18 04:18:02,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:02,479 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 04:18:02,479 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:02,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:02,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1753720139, now seen corresponding path program 1 times [2021-12-18 04:18:02,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:02,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270225885] [2021-12-18 04:18:02,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:02,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:03,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:03,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 04:18:03,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:03,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270225885] [2021-12-18 04:18:03,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270225885] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:18:03,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:18:03,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 04:18:03,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004602198] [2021-12-18 04:18:03,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:18:03,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 04:18:03,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:03,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 04:18:03,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 04:18:03,276 INFO L87 Difference]: Start difference. First operand has 4550 states, 3055 states have (on average 1.348936170212766) internal successors, (4121), 3164 states have internal predecessors, (4121), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-18 04:18:10,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:18:17,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:18:17,949 INFO L93 Difference]: Finished difference Result 14570 states and 22401 transitions. [2021-12-18 04:18:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 04:18:17,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-18 04:18:17,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:18:18,063 INFO L225 Difference]: With dead ends: 14570 [2021-12-18 04:18:18,064 INFO L226 Difference]: Without dead ends: 9985 [2021-12-18 04:18:18,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 04:18:18,108 INFO L933 BasicCegarLoop]: 7385 mSDtfsCounter, 8717 mSDsluCounter, 8608 mSDsCounter, 0 mSdLazyCounter, 4676 mSolverCounterSat, 3634 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9642 SdHoareTripleChecker+Valid, 15993 SdHoareTripleChecker+Invalid, 8311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3634 IncrementalHoareTripleChecker+Valid, 4676 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-12-18 04:18:18,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9642 Valid, 15993 Invalid, 8311 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3634 Valid, 4676 Invalid, 1 Unknown, 0 Unchecked, 13.9s Time] [2021-12-18 04:18:18,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9985 states. [2021-12-18 04:18:18,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9985 to 8966. [2021-12-18 04:18:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8966 states, 6039 states have (on average 1.3435999337638682) internal successors, (8114), 6222 states have internal predecessors, (8114), 2441 states have call successors, (2441), 486 states have call predecessors, (2441), 485 states have return successors, (2440), 2386 states have call predecessors, (2440), 2440 states have call successors, (2440) [2021-12-18 04:18:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8966 states to 8966 states and 12995 transitions. [2021-12-18 04:18:18,556 INFO L78 Accepts]: Start accepts. Automaton has 8966 states and 12995 transitions. Word has length 41 [2021-12-18 04:18:18,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:18:18,558 INFO L470 AbstractCegarLoop]: Abstraction has 8966 states and 12995 transitions. [2021-12-18 04:18:18,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-18 04:18:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 8966 states and 12995 transitions. [2021-12-18 04:18:18,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-18 04:18:18,565 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:18,565 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 04:18:18,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 04:18:18,566 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:18,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:18,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1297931261, now seen corresponding path program 1 times [2021-12-18 04:18:18,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:18,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688141898] [2021-12-18 04:18:18,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:18,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:19,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 04:18:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 04:18:19,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:19,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688141898] [2021-12-18 04:18:19,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688141898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:18:19,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:18:19,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:18:19,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935174530] [2021-12-18 04:18:19,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:18:19,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:18:19,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:19,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:18:19,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:18:19,105 INFO L87 Difference]: Start difference. First operand 8966 states and 12995 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-18 04:18:32,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:18:34,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:18:39,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:18:39,075 INFO L93 Difference]: Finished difference Result 28889 states and 43826 transitions. [2021-12-18 04:18:39,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 04:18:39,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2021-12-18 04:18:39,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:18:39,238 INFO L225 Difference]: With dead ends: 28889 [2021-12-18 04:18:39,238 INFO L226 Difference]: Without dead ends: 19925 [2021-12-18 04:18:39,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-18 04:18:39,327 INFO L933 BasicCegarLoop]: 7751 mSDtfsCounter, 8657 mSDsluCounter, 23072 mSDsCounter, 0 mSdLazyCounter, 7983 mSolverCounterSat, 3654 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9528 SdHoareTripleChecker+Valid, 30823 SdHoareTripleChecker+Invalid, 11638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3654 IncrementalHoareTripleChecker+Valid, 7983 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2021-12-18 04:18:39,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9528 Valid, 30823 Invalid, 11638 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3654 Valid, 7983 Invalid, 1 Unknown, 0 Unchecked, 18.9s Time] [2021-12-18 04:18:39,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19925 states. [2021-12-18 04:18:40,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19925 to 18184. [2021-12-18 04:18:40,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18184 states, 12256 states have (on average 1.3430972584856398) internal successors, (16461), 12639 states have internal predecessors, (16461), 4914 states have call successors, (4914), 970 states have call predecessors, (4914), 1013 states have return successors, (5678), 4833 states have call predecessors, (5678), 4913 states have call successors, (5678) [2021-12-18 04:18:40,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18184 states to 18184 states and 27053 transitions. [2021-12-18 04:18:40,130 INFO L78 Accepts]: Start accepts. Automaton has 18184 states and 27053 transitions. Word has length 51 [2021-12-18 04:18:40,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:18:40,131 INFO L470 AbstractCegarLoop]: Abstraction has 18184 states and 27053 transitions. [2021-12-18 04:18:40,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-18 04:18:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 18184 states and 27053 transitions. [2021-12-18 04:18:40,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-18 04:18:40,147 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:40,147 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:18:40,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 04:18:40,149 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:40,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:40,150 INFO L85 PathProgramCache]: Analyzing trace with hash -930218019, now seen corresponding path program 1 times [2021-12-18 04:18:40,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:40,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180854939] [2021-12-18 04:18:40,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:40,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 04:18:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 04:18:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:18:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:18:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 04:18:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 04:18:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 04:18:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 04:18:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 04:18:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-18 04:18:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:40,699 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-12-18 04:18:40,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:40,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180854939] [2021-12-18 04:18:40,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180854939] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:18:40,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:18:40,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 04:18:40,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233778324] [2021-12-18 04:18:40,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:18:40,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 04:18:40,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:40,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 04:18:40,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:18:40,702 INFO L87 Difference]: Start difference. First operand 18184 states and 27053 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 04:18:50,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:19:04,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:19:04,392 INFO L93 Difference]: Finished difference Result 59932 states and 91250 transitions. [2021-12-18 04:19:04,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:19:04,394 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2021-12-18 04:19:04,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:19:04,683 INFO L225 Difference]: With dead ends: 59932 [2021-12-18 04:19:04,683 INFO L226 Difference]: Without dead ends: 41757 [2021-12-18 04:19:04,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-18 04:19:04,766 INFO L933 BasicCegarLoop]: 6979 mSDtfsCounter, 15126 mSDsluCounter, 11083 mSDsCounter, 0 mSdLazyCounter, 9024 mSolverCounterSat, 10916 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16148 SdHoareTripleChecker+Valid, 18062 SdHoareTripleChecker+Invalid, 19941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10916 IncrementalHoareTripleChecker+Valid, 9024 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-12-18 04:19:04,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16148 Valid, 18062 Invalid, 19941 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10916 Valid, 9024 Invalid, 1 Unknown, 0 Unchecked, 22.3s Time] [2021-12-18 04:19:04,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41757 states. [2021-12-18 04:19:06,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41757 to 36702. [2021-12-18 04:19:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36702 states, 24784 states have (on average 1.3441333118140737) internal successors, (33313), 25571 states have internal predecessors, (33313), 9836 states have call successors, (9836), 1938 states have call predecessors, (9836), 2081 states have return successors, (11646), 9697 states have call predecessors, (11646), 9835 states have call successors, (11646) [2021-12-18 04:19:06,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36702 states to 36702 states and 54795 transitions. [2021-12-18 04:19:06,345 INFO L78 Accepts]: Start accepts. Automaton has 36702 states and 54795 transitions. Word has length 148 [2021-12-18 04:19:06,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:19:06,346 INFO L470 AbstractCegarLoop]: Abstraction has 36702 states and 54795 transitions. [2021-12-18 04:19:06,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 04:19:06,347 INFO L276 IsEmpty]: Start isEmpty. Operand 36702 states and 54795 transitions. [2021-12-18 04:19:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-12-18 04:19:06,361 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:19:06,361 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:19:06,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 04:19:06,362 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:19:06,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:19:06,363 INFO L85 PathProgramCache]: Analyzing trace with hash -2126110880, now seen corresponding path program 1 times [2021-12-18 04:19:06,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:19:06,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480092492] [2021-12-18 04:19:06,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:06,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:19:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:19:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:19:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 04:19:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 04:19:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:19:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:19:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 04:19:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 04:19:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 04:19:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 04:19:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 04:19:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 04:19:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:06,918 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-12-18 04:19:06,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:19:06,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480092492] [2021-12-18 04:19:06,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480092492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:19:06,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:19:06,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 04:19:06,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136079834] [2021-12-18 04:19:06,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:19:06,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 04:19:06,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:19:06,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 04:19:06,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:19:06,922 INFO L87 Difference]: Start difference. First operand 36702 states and 54795 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 04:19:18,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:19:32,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:19:32,402 INFO L93 Difference]: Finished difference Result 119780 states and 182496 transitions. [2021-12-18 04:19:32,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:19:32,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2021-12-18 04:19:32,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:19:33,141 INFO L225 Difference]: With dead ends: 119780 [2021-12-18 04:19:33,141 INFO L226 Difference]: Without dead ends: 83087 [2021-12-18 04:19:33,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-18 04:19:33,287 INFO L933 BasicCegarLoop]: 7030 mSDtfsCounter, 12371 mSDsluCounter, 13420 mSDsCounter, 0 mSdLazyCounter, 11579 mSolverCounterSat, 7676 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13401 SdHoareTripleChecker+Valid, 20450 SdHoareTripleChecker+Invalid, 19256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7676 IncrementalHoareTripleChecker+Valid, 11579 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2021-12-18 04:19:33,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13401 Valid, 20450 Invalid, 19256 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7676 Valid, 11579 Invalid, 1 Unknown, 0 Unchecked, 22.8s Time] [2021-12-18 04:19:33,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83087 states. [2021-12-18 04:19:35,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83087 to 72992. [2021-12-18 04:19:36,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72992 states, 49286 states have (on average 1.3441342369029745) internal successors, (66247), 50861 states have internal predecessors, (66247), 19544 states have call successors, (19544), 3874 states have call predecessors, (19544), 4161 states have return successors, (23140), 19265 states have call predecessors, (23140), 19543 states have call successors, (23140) [2021-12-18 04:19:36,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72992 states to 72992 states and 108931 transitions. [2021-12-18 04:19:36,428 INFO L78 Accepts]: Start accepts. Automaton has 72992 states and 108931 transitions. Word has length 147 [2021-12-18 04:19:36,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:19:36,429 INFO L470 AbstractCegarLoop]: Abstraction has 72992 states and 108931 transitions. [2021-12-18 04:19:36,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 04:19:36,429 INFO L276 IsEmpty]: Start isEmpty. Operand 72992 states and 108931 transitions. [2021-12-18 04:19:36,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-18 04:19:36,440 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:19:36,440 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:19:36,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 04:19:36,440 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:19:36,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:19:36,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1159374282, now seen corresponding path program 1 times [2021-12-18 04:19:36,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:19:36,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623326492] [2021-12-18 04:19:36,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:36,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:19:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:19:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:19:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:19:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:19:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-18 04:19:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 04:19:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 04:19:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 04:19:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:37,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:37,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 04:19:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:37,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:37,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 04:19:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 04:19:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 04:19:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-12-18 04:19:37,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:19:37,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623326492] [2021-12-18 04:19:37,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623326492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:19:37,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:19:37,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 04:19:37,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300870692] [2021-12-18 04:19:37,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:19:37,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 04:19:37,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:19:37,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 04:19:37,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:19:37,115 INFO L87 Difference]: Start difference. First operand 72992 states and 108931 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 04:19:49,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:20:07,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:20:07,622 INFO L93 Difference]: Finished difference Result 238114 states and 362612 transitions. [2021-12-18 04:20:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:20:07,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2021-12-18 04:20:07,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:20:09,218 INFO L225 Difference]: With dead ends: 238114 [2021-12-18 04:20:09,218 INFO L226 Difference]: Without dead ends: 165131 [2021-12-18 04:20:09,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-18 04:20:09,526 INFO L933 BasicCegarLoop]: 7119 mSDtfsCounter, 9485 mSDsluCounter, 16041 mSDsCounter, 0 mSdLazyCounter, 14900 mSolverCounterSat, 4393 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10500 SdHoareTripleChecker+Valid, 23160 SdHoareTripleChecker+Invalid, 19294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4393 IncrementalHoareTripleChecker+Valid, 14900 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2021-12-18 04:20:09,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10500 Valid, 23160 Invalid, 19294 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4393 Valid, 14900 Invalid, 1 Unknown, 0 Unchecked, 25.5s Time] [2021-12-18 04:20:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165131 states. [2021-12-18 04:20:14,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165131 to 144944. [2021-12-18 04:20:15,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144944 states, 97902 states have (on average 1.3445179873751303) internal successors, (131631), 101053 states have internal predecessors, (131631), 38720 states have call successors, (38720), 7746 states have call predecessors, (38720), 8321 states have return successors, (45852), 38161 states have call predecessors, (45852), 38719 states have call successors, (45852) [2021-12-18 04:20:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144944 states to 144944 states and 216203 transitions. [2021-12-18 04:20:16,671 INFO L78 Accepts]: Start accepts. Automaton has 144944 states and 216203 transitions. Word has length 151 [2021-12-18 04:20:16,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:20:16,671 INFO L470 AbstractCegarLoop]: Abstraction has 144944 states and 216203 transitions. [2021-12-18 04:20:16,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 04:20:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 144944 states and 216203 transitions. [2021-12-18 04:20:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-18 04:20:16,682 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:20:16,682 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:20:16,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 04:20:16,683 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:20:16,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:20:16,683 INFO L85 PathProgramCache]: Analyzing trace with hash -172400043, now seen corresponding path program 1 times [2021-12-18 04:20:16,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:20:16,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810987077] [2021-12-18 04:20:16,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:20:16,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:20:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:16,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:20:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:20:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:16,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 04:20:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:20:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:20:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:20:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:20:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:20:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:20:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 04:20:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:20:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 04:20:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:20:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:20:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 04:20:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 04:20:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:17,640 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-12-18 04:20:17,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:20:17,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810987077] [2021-12-18 04:20:17,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810987077] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:20:17,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748570885] [2021-12-18 04:20:17,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:20:17,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:20:17,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:20:17,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:20:17,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 04:20:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:20:19,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 7008 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 04:20:19,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:20:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-18 04:20:19,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:20:19,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748570885] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:20:19,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 04:20:19,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2021-12-18 04:20:19,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36320602] [2021-12-18 04:20:19,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:20:19,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 04:20:19,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:20:19,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 04:20:19,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-12-18 04:20:19,667 INFO L87 Difference]: Start difference. First operand 144944 states and 216203 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 04:20:28,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:20:28,575 INFO L93 Difference]: Finished difference Result 432538 states and 645320 transitions. [2021-12-18 04:20:28,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 04:20:28,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2021-12-18 04:20:28,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:20:31,157 INFO L225 Difference]: With dead ends: 432538 [2021-12-18 04:20:31,157 INFO L226 Difference]: Without dead ends: 287603 [2021-12-18 04:20:31,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-12-18 04:20:31,933 INFO L933 BasicCegarLoop]: 9090 mSDtfsCounter, 6392 mSDsluCounter, 6528 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6392 SdHoareTripleChecker+Valid, 15618 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 04:20:31,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6392 Valid, 15618 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 04:20:32,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287603 states.