./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 f4b24e32 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-?-f4b24e3 [2022-07-14 00:18:46,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:18:46,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:18:46,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:18:46,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:18:46,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:18:46,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:18:46,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:18:46,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:18:46,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:18:46,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:18:46,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:18:46,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:18:46,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:18:46,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:18:46,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:18:46,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:18:46,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:18:47,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:18:47,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:18:47,019 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:18:47,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:18:47,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:18:47,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:18:47,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:18:47,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:18:47,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:18:47,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:18:47,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:18:47,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:18:47,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:18:47,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:18:47,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:18:47,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:18:47,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:18:47,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:18:47,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:18:47,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:18:47,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:18:47,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:18:47,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:18:47,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:18:47,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:18:47,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:18:47,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:18:47,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:18:47,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:18:47,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:18:47,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:18:47,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:18:47,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:18:47,102 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:18:47,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:18:47,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:18:47,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:18:47,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:18:47,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:18:47,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:18:47,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:18:47,115 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:18:47,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:18:47,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:18:47,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:18:47,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:18:47,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:18:47,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:18:47,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:18:47,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:18:47,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:18:47,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:18:47,118 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:18:47,118 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:18:47,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:18:47,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2022-07-14 00:18:47,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:18:47,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:18:47,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:18:47,648 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:18:47,649 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:18:47,650 INFO L432 ainManager$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 [2022-07-14 00:18:47,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86624a68b/09a9ff695af74cee96f135e7c7998c6f/FLAG0827945c9 [2022-07-14 00:18:49,195 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:18:49,196 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 [2022-07-14 00:18:49,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86624a68b/09a9ff695af74cee96f135e7c7998c6f/FLAG0827945c9 [2022-07-14 00:18:49,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86624a68b/09a9ff695af74cee96f135e7c7998c6f [2022-07-14 00:18:49,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:18:49,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:18:49,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:18:49,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:18:49,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:18:49,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:18:49" (1/1) ... [2022-07-14 00:18:49,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51dc04c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:18:49, skipping insertion in model container [2022-07-14 00:18:49,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:18:49" (1/1) ... [2022-07-14 00:18:49,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:18:50,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:18:52,104 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] [2022-07-14 00:19:01,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:19:01,772 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:19:01,976 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] [2022-07-14 00:19:02,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:19:03,237 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:19:03,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03 WrapperNode [2022-07-14 00:19:03,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:19:03,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:19:03,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:19:03,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:19:03,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03" (1/1) ... [2022-07-14 00:19:03,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03" (1/1) ... [2022-07-14 00:19:04,176 INFO L137 Inliner]: procedures = 713, calls = 6649, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13298 [2022-07-14 00:19:04,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:19:04,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:19:04,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:19:04,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:19:04,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03" (1/1) ... [2022-07-14 00:19:04,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03" (1/1) ... [2022-07-14 00:19:04,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03" (1/1) ... [2022-07-14 00:19:04,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03" (1/1) ... [2022-07-14 00:19:04,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03" (1/1) ... [2022-07-14 00:19:05,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03" (1/1) ... [2022-07-14 00:19:05,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03" (1/1) ... [2022-07-14 00:19:05,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:19:05,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:19:05,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:19:05,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:19:05,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03" (1/1) ... [2022-07-14 00:19:05,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:19:05,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:19:05,381 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) [2022-07-14 00:19:05,401 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 [2022-07-14 00:19:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-07-14 00:19:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-07-14 00:19:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-07-14 00:19:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-07-14 00:19:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-14 00:19:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-14 00:19:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-07-14 00:19:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-07-14 00:19:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-07-14 00:19:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-07-14 00:19:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-07-14 00:19:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-07-14 00:19:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-14 00:19:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-14 00:19:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-07-14 00:19:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-07-14 00:19:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-07-14 00:19:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-07-14 00:19:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-07-14 00:19:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-07-14 00:19:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-07-14 00:19:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-07-14 00:19:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-14 00:19:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-14 00:19:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-07-14 00:19:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-07-14 00:19:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:19:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:19:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-07-14 00:19:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-07-14 00:19:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-07-14 00:19:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-07-14 00:19:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-07-14 00:19:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-07-14 00:19:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-14 00:19:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-14 00:19:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-07-14 00:19:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-07-14 00:19:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-07-14 00:19:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-07-14 00:19:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-07-14 00:19:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-07-14 00:19:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-07-14 00:19:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-07-14 00:19:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-07-14 00:19:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-07-14 00:19:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 00:19:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 00:19:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-07-14 00:19:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-07-14 00:19:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-07-14 00:19:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-07-14 00:19:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-07-14 00:19:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-07-14 00:19:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-07-14 00:19:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-07-14 00:19:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-07-14 00:19:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-07-14 00:19:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-07-14 00:19:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-07-14 00:19:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-07-14 00:19:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-07-14 00:19:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:19:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:19:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-07-14 00:19:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-07-14 00:19:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-07-14 00:19:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-07-14 00:19:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-07-14 00:19:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-07-14 00:19:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-07-14 00:19:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-07-14 00:19:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-07-14 00:19:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-07-14 00:19:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-07-14 00:19:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-07-14 00:19:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-07-14 00:19:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-07-14 00:19:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-14 00:19:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-07-14 00:19:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-07-14 00:19:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:19:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:19:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-07-14 00:19:05,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-07-14 00:19:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-07-14 00:19:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-07-14 00:19:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-07-14 00:19:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-07-14 00:19:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-07-14 00:19:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-07-14 00:19:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-07-14 00:19:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-07-14 00:19:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:19:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-07-14 00:19:05,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-07-14 00:19:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-07-14 00:19:05,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-07-14 00:19:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 00:19:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 00:19:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 00:19:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 00:19:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-07-14 00:19:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-07-14 00:19:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-07-14 00:19:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-07-14 00:19:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-07-14 00:19:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-07-14 00:19:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-07-14 00:19:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-07-14 00:19:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 00:19:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 00:19:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-07-14 00:19:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-07-14 00:19:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-14 00:19:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-14 00:19:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-07-14 00:19:05,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-07-14 00:19:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-07-14 00:19:05,494 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-07-14 00:19:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 00:19:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 00:19:05,494 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 00:19:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-07-14 00:19:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-07-14 00:19:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-07-14 00:19:05,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-07-14 00:19:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-07-14 00:19:05,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-07-14 00:19:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 00:19:05,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 00:19:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 00:19:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2022-07-14 00:19:05,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2022-07-14 00:19:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-07-14 00:19:05,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-07-14 00:19:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-07-14 00:19:05,502 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-07-14 00:19:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-07-14 00:19:05,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-07-14 00:19:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:19:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-14 00:19:05,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-14 00:19:05,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:19:05,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:19:05,503 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-07-14 00:19:05,503 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-07-14 00:19:05,503 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-07-14 00:19:05,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-07-14 00:19:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-07-14 00:19:05,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-07-14 00:19:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-14 00:19:05,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-14 00:19:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-14 00:19:05,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-14 00:19:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-14 00:19:05,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-14 00:19:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-07-14 00:19:05,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-07-14 00:19:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-07-14 00:19:05,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-07-14 00:19:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-07-14 00:19:05,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-07-14 00:19:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-07-14 00:19:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-07-14 00:19:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-07-14 00:19:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-07-14 00:19:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 00:19:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 00:19:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-07-14 00:19:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-07-14 00:19:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-07-14 00:19:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-07-14 00:19:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-07-14 00:19:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-07-14 00:19:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-14 00:19:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-14 00:19:05,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-14 00:19:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-07-14 00:19:05,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-07-14 00:19:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:19:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-07-14 00:19:05,508 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-07-14 00:19:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-14 00:19:05,509 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-14 00:19:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-07-14 00:19:05,509 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-07-14 00:19:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:19:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-07-14 00:19:05,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-07-14 00:19:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-14 00:19:05,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-14 00:19:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-07-14 00:19:05,510 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-07-14 00:19:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-14 00:19:05,510 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-14 00:19:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:19:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 00:19:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-07-14 00:19:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-07-14 00:19:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:19:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:19:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-07-14 00:19:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-07-14 00:19:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-07-14 00:19:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-07-14 00:19:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-14 00:19:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-14 00:19:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 00:19:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 00:19:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-07-14 00:19:05,513 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-07-14 00:19:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-07-14 00:19:05,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-07-14 00:19:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 00:19:05,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 00:19:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 00:19:05,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 00:19:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-07-14 00:19:05,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-07-14 00:19:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-14 00:19:05,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-14 00:19:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 00:19:05,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 00:19:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 00:19:05,515 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 00:19:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-14 00:19:05,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-14 00:19:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-07-14 00:19:05,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-07-14 00:19:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-07-14 00:19:05,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-07-14 00:19:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-07-14 00:19:05,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-07-14 00:19:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 00:19:05,516 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 00:19:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-07-14 00:19:05,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-07-14 00:19:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-07-14 00:19:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-07-14 00:19:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 00:19:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 00:19:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 00:19:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 00:19:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-07-14 00:19:05,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-07-14 00:19:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-14 00:19:05,522 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-14 00:19:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:19:05,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:19:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-14 00:19:05,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-14 00:19:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-07-14 00:19:05,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-07-14 00:19:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-14 00:19:05,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-14 00:19:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-07-14 00:19:05,527 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-07-14 00:19:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 00:19:05,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 00:19:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-07-14 00:19:05,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-07-14 00:19:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-07-14 00:19:05,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-07-14 00:19:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-07-14 00:19:05,528 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-07-14 00:19:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-14 00:19:05,528 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-14 00:19:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-07-14 00:19:05,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-07-14 00:19:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:19:05,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:19:05,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:19:05,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:19:05,529 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-14 00:19:05,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-14 00:19:05,530 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-07-14 00:19:05,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-07-14 00:19:05,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-14 00:19:05,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-14 00:19:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-07-14 00:19:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-07-14 00:19:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-14 00:19:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-14 00:19:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-07-14 00:19:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-07-14 00:19:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-07-14 00:19:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-07-14 00:19:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-07-14 00:19:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-07-14 00:19:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-07-14 00:19:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-07-14 00:19:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-07-14 00:19:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-07-14 00:19:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-07-14 00:19:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-07-14 00:19:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-14 00:19:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-14 00:19:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:19:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:19:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-14 00:19:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-14 00:19:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-14 00:19:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-14 00:19:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:19:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:19:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-14 00:19:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-14 00:19:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-14 00:19:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-14 00:19:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-07-14 00:19:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-07-14 00:19:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 00:19:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 00:19:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-07-14 00:19:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-07-14 00:19:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:19:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:19:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:19:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:19:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-07-14 00:19:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-07-14 00:19:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-14 00:19:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-14 00:19:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-07-14 00:19:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-07-14 00:19:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-07-14 00:19:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-07-14 00:19:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-14 00:19:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-14 00:19:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-07-14 00:19:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-07-14 00:19:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-07-14 00:19:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-07-14 00:19:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-14 00:19:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-14 00:19:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-07-14 00:19:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-07-14 00:19:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-07-14 00:19:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-07-14 00:19:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:19:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 00:19:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 00:19:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-07-14 00:19:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-07-14 00:19:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:19:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-14 00:19:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-14 00:19:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-07-14 00:19:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-07-14 00:19:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-14 00:19:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-14 00:19:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-07-14 00:19:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-07-14 00:19:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-07-14 00:19:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-07-14 00:19:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-07-14 00:19:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-07-14 00:19:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-07-14 00:19:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-07-14 00:19:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-07-14 00:19:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-07-14 00:19:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:19:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-07-14 00:19:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-07-14 00:19:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-07-14 00:19:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-07-14 00:19:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-07-14 00:19:05,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-07-14 00:19:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-07-14 00:19:05,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-07-14 00:19:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 00:19:05,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 00:19:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-14 00:19:05,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-14 00:19:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 00:19:05,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 00:19:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-07-14 00:19:05,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-07-14 00:19:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 00:19:05,545 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 00:19:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:19:05,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:19:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-07-14 00:19:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-07-14 00:19:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-14 00:19:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-14 00:19:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 00:19:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 00:19:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-14 00:19:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-14 00:19:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-07-14 00:19:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-07-14 00:19:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-14 00:19:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-14 00:19:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:19:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:19:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-07-14 00:19:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-07-14 00:19:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-14 00:19:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-14 00:19:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 00:19:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 00:19:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 00:19:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 00:19:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-14 00:19:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-14 00:19:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 00:19:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 00:19:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-07-14 00:19:05,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-07-14 00:19:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 00:19:05,551 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 00:19:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-07-14 00:19:05,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-07-14 00:19:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-07-14 00:19:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-07-14 00:19:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2022-07-14 00:19:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2022-07-14 00:19:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-14 00:19:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-14 00:19:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:19:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:19:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-07-14 00:19:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-07-14 00:19:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-07-14 00:19:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-07-14 00:19:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-07-14 00:19:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-07-14 00:19:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-07-14 00:19:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-07-14 00:19:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-14 00:19:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-14 00:19:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:19:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-07-14 00:19:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-07-14 00:19:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-14 00:19:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-14 00:19:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:19:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:19:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-07-14 00:19:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-07-14 00:19:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-14 00:19:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-14 00:19:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 00:19:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 00:19:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 00:19:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 00:19:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-07-14 00:19:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-07-14 00:19:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-07-14 00:19:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-07-14 00:19:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-14 00:19:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-14 00:19:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-07-14 00:19:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-07-14 00:19:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-07-14 00:19:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-07-14 00:19:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-07-14 00:19:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-07-14 00:19:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-07-14 00:19:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-07-14 00:19:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-14 00:19:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-14 00:19:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-14 00:19:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-14 00:19:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-14 00:19:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-14 00:19:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-07-14 00:19:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-07-14 00:19:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-07-14 00:19:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-07-14 00:19:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2022-07-14 00:19:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2022-07-14 00:19:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-07-14 00:19:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-07-14 00:19:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-07-14 00:19:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-07-14 00:19:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-07-14 00:19:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-07-14 00:19:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-07-14 00:19:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-07-14 00:19:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 00:19:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 00:19:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 00:19:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 00:19:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-14 00:19:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-14 00:19:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-07-14 00:19:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-07-14 00:19:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-14 00:19:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-14 00:19:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-07-14 00:19:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-07-14 00:19:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:19:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-07-14 00:19:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-07-14 00:19:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-07-14 00:19:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-07-14 00:19:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-07-14 00:19:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-07-14 00:19:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-07-14 00:19:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-07-14 00:19:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-07-14 00:19:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-07-14 00:19:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-07-14 00:19:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-07-14 00:19:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-14 00:19:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-14 00:19:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-14 00:19:07,582 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:19:07,588 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:19:08,407 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:19:21,709 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:19:21,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:19:21,785 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-14 00:19:21,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:19:21 BoogieIcfgContainer [2022-07-14 00:19:21,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:19:21,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:19:21,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:19:21,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:19:21,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:18:49" (1/3) ... [2022-07-14 00:19:21,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec5eedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:19:21, skipping insertion in model container [2022-07-14 00:19:21,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:19:03" (2/3) ... [2022-07-14 00:19:21,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec5eedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:19:21, skipping insertion in model container [2022-07-14 00:19:21,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:19:21" (3/3) ... [2022-07-14 00:19:21,803 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 [2022-07-14 00:19:21,835 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:19:21,836 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:19:22,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:19:22,102 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@416fe518, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@49a8e68 [2022-07-14 00:19:22,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:19:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 4638 states, 3143 states have (on average 1.365892459433662) internal successors, (4293), 3252 states have internal predecessors, (4293), 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) [2022-07-14 00:19:22,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-14 00:19:22,169 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:19:22,170 INFO L195 NwaCegarLoop]: 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] [2022-07-14 00:19:22,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:19:22,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:19:22,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1739770159, now seen corresponding path program 1 times [2022-07-14 00:19:22,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:19:22,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581622334] [2022-07-14 00:19:22,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:19:22,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:19:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:23,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:19:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:19:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-14 00:19:23,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:19:23,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581622334] [2022-07-14 00:19:23,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581622334] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:19:23,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:19:23,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:19:23,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033967] [2022-07-14 00:19:23,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:19:23,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:19:23,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:19:23,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:19:23,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:19:23,364 INFO L87 Difference]: Start difference. First operand has 4638 states, 3143 states have (on average 1.365892459433662) internal successors, (4293), 3252 states have internal predecessors, (4293), 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) [2022-07-14 00:19:31,880 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 [] [2022-07-14 00:19:41,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:19:41,152 INFO L93 Difference]: Finished difference Result 14834 states and 22931 transitions. [2022-07-14 00:19:41,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:19:41,155 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 [2022-07-14 00:19:41,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:19:41,259 INFO L225 Difference]: With dead ends: 14834 [2022-07-14 00:19:41,259 INFO L226 Difference]: Without dead ends: 10161 [2022-07-14 00:19:41,313 INFO L412 NwaCegarLoop]: 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 [2022-07-14 00:19:41,317 INFO L413 NwaCegarLoop]: 7484 mSDtfsCounter, 8972 mSDsluCounter, 7949 mSDsCounter, 0 mSdLazyCounter, 5475 mSolverCounterSat, 3649 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9893 SdHoareTripleChecker+Valid, 15433 SdHoareTripleChecker+Invalid, 9125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3649 IncrementalHoareTripleChecker+Valid, 5475 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:19:41,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9893 Valid, 15433 Invalid, 9125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3649 Valid, 5475 Invalid, 1 Unknown, 0 Unchecked, 16.8s Time] [2022-07-14 00:19:41,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10161 states. [2022-07-14 00:19:41,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10161 to 9142. [2022-07-14 00:19:41,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9142 states, 6215 states have (on average 1.342558326629123) internal successors, (8344), 6398 states have internal predecessors, (8344), 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) [2022-07-14 00:19:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9142 states to 9142 states and 13225 transitions. [2022-07-14 00:19:42,055 INFO L78 Accepts]: Start accepts. Automaton has 9142 states and 13225 transitions. Word has length 41 [2022-07-14 00:19:42,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:19:42,057 INFO L495 AbstractCegarLoop]: Abstraction has 9142 states and 13225 transitions. [2022-07-14 00:19:42,058 INFO L496 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) [2022-07-14 00:19:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 9142 states and 13225 transitions. [2022-07-14 00:19:42,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-14 00:19:42,064 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:19:42,064 INFO L195 NwaCegarLoop]: 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] [2022-07-14 00:19:42,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:19:42,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:19:42,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:19:42,066 INFO L85 PathProgramCache]: Analyzing trace with hash 141111332, now seen corresponding path program 1 times [2022-07-14 00:19:42,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:19:42,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086853830] [2022-07-14 00:19:42,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:19:42,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:19:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:19:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:42,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:19:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:19:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:19:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 00:19:42,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:19:42,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086853830] [2022-07-14 00:19:42,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086853830] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:19:42,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:19:42,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:19:42,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106707237] [2022-07-14 00:19:42,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:19:42,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:19:42,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:19:42,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:19:42,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:19:42,705 INFO L87 Difference]: Start difference. First operand 9142 states and 13225 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) [2022-07-14 00:19:57,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:00,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:20:09,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:20:09,480 INFO L93 Difference]: Finished difference Result 29417 states and 44516 transitions. [2022-07-14 00:20:09,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:20:09,481 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 [2022-07-14 00:20:09,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:20:09,626 INFO L225 Difference]: With dead ends: 29417 [2022-07-14 00:20:09,627 INFO L226 Difference]: Without dead ends: 20277 [2022-07-14 00:20:09,693 INFO L412 NwaCegarLoop]: 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 [2022-07-14 00:20:09,695 INFO L413 NwaCegarLoop]: 8013 mSDtfsCounter, 8852 mSDsluCounter, 20206 mSDsCounter, 0 mSdLazyCounter, 11641 mSolverCounterSat, 3596 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9716 SdHoareTripleChecker+Valid, 28219 SdHoareTripleChecker+Invalid, 15239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3596 IncrementalHoareTripleChecker+Valid, 11641 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:20:09,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9716 Valid, 28219 Invalid, 15239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3596 Valid, 11641 Invalid, 2 Unknown, 0 Unchecked, 25.7s Time] [2022-07-14 00:20:09,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20277 states. [2022-07-14 00:20:10,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20277 to 18536. [2022-07-14 00:20:10,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18536 states, 12608 states have (on average 1.342084390862944) internal successors, (16921), 12991 states have internal predecessors, (16921), 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) [2022-07-14 00:20:10,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 27513 transitions. [2022-07-14 00:20:10,601 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 27513 transitions. Word has length 51 [2022-07-14 00:20:10,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:20:10,602 INFO L495 AbstractCegarLoop]: Abstraction has 18536 states and 27513 transitions. [2022-07-14 00:20:10,602 INFO L496 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) [2022-07-14 00:20:10,602 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 27513 transitions. [2022-07-14 00:20:10,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-14 00:20:10,621 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:20:10,621 INFO L195 NwaCegarLoop]: 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] [2022-07-14 00:20:10,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 00:20:10,622 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:20:10,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:20:10,623 INFO L85 PathProgramCache]: Analyzing trace with hash -425534629, now seen corresponding path program 1 times [2022-07-14 00:20:10,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:20:10,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477286574] [2022-07-14 00:20:10,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:20:10,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:20:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:20:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:20:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-14 00:20:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:20:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 00:20:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 00:20:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:20:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:20:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 00:20:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:20:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:20:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:20:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:20:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 00:20:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:20:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:20:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 00:20:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-14 00:20:11,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:20:11,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477286574] [2022-07-14 00:20:11,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477286574] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:20:11,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:20:11,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 00:20:11,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767944590] [2022-07-14 00:20:11,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:20:11,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 00:20:11,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:20:11,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 00:20:11,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:20:11,479 INFO L87 Difference]: Start difference. First operand 18536 states and 27513 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) [2022-07-14 00:20:26,152 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 [] [2022-07-14 00:20:46,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:20:46,636 INFO L93 Difference]: Finished difference Result 60944 states and 92558 transitions. [2022-07-14 00:20:46,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:20:46,638 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 [2022-07-14 00:20:46,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:20:46,931 INFO L225 Difference]: With dead ends: 60944 [2022-07-14 00:20:46,931 INFO L226 Difference]: Without dead ends: 42417 [2022-07-14 00:20:47,032 INFO L412 NwaCegarLoop]: 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 [2022-07-14 00:20:47,033 INFO L413 NwaCegarLoop]: 7071 mSDtfsCounter, 12676 mSDsluCounter, 12726 mSDsCounter, 0 mSdLazyCounter, 12447 mSolverCounterSat, 7625 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13696 SdHoareTripleChecker+Valid, 19797 SdHoareTripleChecker+Invalid, 20073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7625 IncrementalHoareTripleChecker+Valid, 12447 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:20:47,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13696 Valid, 19797 Invalid, 20073 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7625 Valid, 12447 Invalid, 1 Unknown, 0 Unchecked, 33.5s Time] [2022-07-14 00:20:47,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42417 states. [2022-07-14 00:20:48,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42417 to 37362. [2022-07-14 00:20:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37362 states, 25464 states have (on average 1.343426013195099) internal successors, (34209), 26251 states have internal predecessors, (34209), 9816 states have call successors, (9816), 1938 states have call predecessors, (9816), 2081 states have return successors, (11622), 9677 states have call predecessors, (11622), 9815 states have call successors, (11622) [2022-07-14 00:20:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37362 states to 37362 states and 55647 transitions. [2022-07-14 00:20:49,005 INFO L78 Accepts]: Start accepts. Automaton has 37362 states and 55647 transitions. Word has length 151 [2022-07-14 00:20:49,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:20:49,007 INFO L495 AbstractCegarLoop]: Abstraction has 37362 states and 55647 transitions. [2022-07-14 00:20:49,007 INFO L496 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) [2022-07-14 00:20:49,008 INFO L276 IsEmpty]: Start isEmpty. Operand 37362 states and 55647 transitions. [2022-07-14 00:20:49,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-14 00:20:49,026 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:20:49,026 INFO L195 NwaCegarLoop]: 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] [2022-07-14 00:20:49,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 00:20:49,027 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:20:49,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:20:49,028 INFO L85 PathProgramCache]: Analyzing trace with hash 836011653, now seen corresponding path program 1 times [2022-07-14 00:20:49,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:20:49,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249707314] [2022-07-14 00:20:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:20:49,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:20:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:20:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:20:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 00:20:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 00:20:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 00:20:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:20:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:20:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:20:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 00:20:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:20:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:20:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:20:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:20:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 00:20:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:20:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:20:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:20:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:20:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-14 00:20:49,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:20:49,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249707314] [2022-07-14 00:20:49,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249707314] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:20:49,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:20:49,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 00:20:49,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612688786] [2022-07-14 00:20:49,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:20:49,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 00:20:49,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:20:49,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 00:20:49,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:20:49,689 INFO L87 Difference]: Start difference. First operand 37362 states and 55647 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) [2022-07-14 00:21:03,106 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 [] [2022-07-14 00:21:21,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:21:21,559 INFO L93 Difference]: Finished difference Result 121760 states and 185044 transitions. [2022-07-14 00:21:21,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:21:21,562 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 [2022-07-14 00:21:21,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:21:22,947 INFO L225 Difference]: With dead ends: 121760 [2022-07-14 00:21:22,948 INFO L226 Difference]: Without dead ends: 84407 [2022-07-14 00:21:23,148 INFO L412 NwaCegarLoop]: 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 [2022-07-14 00:21:23,152 INFO L413 NwaCegarLoop]: 7168 mSDtfsCounter, 15641 mSDsluCounter, 10169 mSDsCounter, 0 mSdLazyCounter, 9380 mSolverCounterSat, 10887 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16666 SdHoareTripleChecker+Valid, 17337 SdHoareTripleChecker+Invalid, 20268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10887 IncrementalHoareTripleChecker+Valid, 9380 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:21:23,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16666 Valid, 17337 Invalid, 20268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10887 Valid, 9380 Invalid, 1 Unknown, 0 Unchecked, 28.1s Time] [2022-07-14 00:21:23,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84407 states. [2022-07-14 00:21:27,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84407 to 74312. [2022-07-14 00:21:27,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74312 states, 50646 states have (on average 1.3434229751609208) internal successors, (68039), 52221 states have internal predecessors, (68039), 19504 states have call successors, (19504), 3874 states have call predecessors, (19504), 4161 states have return successors, (23092), 19225 states have call predecessors, (23092), 19503 states have call successors, (23092) [2022-07-14 00:21:28,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74312 states to 74312 states and 110635 transitions. [2022-07-14 00:21:28,465 INFO L78 Accepts]: Start accepts. Automaton has 74312 states and 110635 transitions. Word has length 147 [2022-07-14 00:21:28,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:21:28,466 INFO L495 AbstractCegarLoop]: Abstraction has 74312 states and 110635 transitions. [2022-07-14 00:21:28,466 INFO L496 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) [2022-07-14 00:21:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 74312 states and 110635 transitions. [2022-07-14 00:21:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-14 00:21:28,485 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:21:28,485 INFO L195 NwaCegarLoop]: 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] [2022-07-14 00:21:28,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 00:21:28,486 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:21:28,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:21:28,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1871085462, now seen corresponding path program 1 times [2022-07-14 00:21:28,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:21:28,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242444501] [2022-07-14 00:21:28,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:21:28,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:21:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:21:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:21:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-14 00:21:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-14 00:21:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 00:21:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 00:21:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:21:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:21:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 00:21:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:21:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:21:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:21:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:21:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-14 00:21:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:21:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:21:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 00:21:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:21:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-14 00:21:29,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:21:29,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242444501] [2022-07-14 00:21:29,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242444501] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:21:29,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:21:29,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 00:21:29,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624164225] [2022-07-14 00:21:29,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:21:29,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 00:21:29,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:21:29,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 00:21:29,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:21:29,477 INFO L87 Difference]: Start difference. First operand 74312 states and 110635 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) [2022-07-14 00:21:39,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:21:44,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:22:00,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:22:09,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:09,797 INFO L93 Difference]: Finished difference Result 242242 states and 367988 transitions. [2022-07-14 00:22:09,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:22:09,799 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 [2022-07-14 00:22:09,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:12,703 INFO L225 Difference]: With dead ends: 242242 [2022-07-14 00:22:12,703 INFO L226 Difference]: Without dead ends: 167939 [2022-07-14 00:22:13,261 INFO L412 NwaCegarLoop]: 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 [2022-07-14 00:22:13,265 INFO L413 NwaCegarLoop]: 7201 mSDtfsCounter, 9839 mSDsluCounter, 12652 mSDsCounter, 0 mSdLazyCounter, 12786 mSolverCounterSat, 4467 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10861 SdHoareTripleChecker+Valid, 19853 SdHoareTripleChecker+Invalid, 17254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4467 IncrementalHoareTripleChecker+Valid, 12786 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:13,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10861 Valid, 19853 Invalid, 17254 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4467 Valid, 12786 Invalid, 1 Unknown, 0 Unchecked, 32.6s Time] [2022-07-14 00:22:13,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167939 states. [2022-07-14 00:22:20,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167939 to 147760. [2022-07-14 00:22:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147760 states, 100718 states have (on average 1.343463928989853) internal successors, (135311), 103869 states have internal predecessors, (135311), 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) [2022-07-14 00:22:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147760 states to 147760 states and 219883 transitions. [2022-07-14 00:22:21,956 INFO L78 Accepts]: Start accepts. Automaton has 147760 states and 219883 transitions. Word has length 148 [2022-07-14 00:22:21,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:22:21,957 INFO L495 AbstractCegarLoop]: Abstraction has 147760 states and 219883 transitions. [2022-07-14 00:22:21,957 INFO L496 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) [2022-07-14 00:22:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 147760 states and 219883 transitions. [2022-07-14 00:22:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-14 00:22:21,972 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:22:21,972 INFO L195 NwaCegarLoop]: 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] [2022-07-14 00:22:21,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 00:22:21,973 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:22:21,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:22:21,974 INFO L85 PathProgramCache]: Analyzing trace with hash 502137541, now seen corresponding path program 1 times [2022-07-14 00:22:21,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:22:21,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247849611] [2022-07-14 00:22:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:22:21,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:22:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:22:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:22,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:22:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:23,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 00:22:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:23,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:22:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:23,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 00:22:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:23,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-14 00:22:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:22:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:22:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:22:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:22:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:23,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:22:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-14 00:22:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:23,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:22:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:22:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:24,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 00:22:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:24,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 00:22:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-14 00:22:24,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:22:24,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247849611] [2022-07-14 00:22:24,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247849611] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:22:24,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421318187] [2022-07-14 00:22:24,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:22:24,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:22:24,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:22:24,287 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) [2022-07-14 00:22:24,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 00:22:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:22:27,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 7212 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:22:27,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:22:27,317 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-14 00:22:27,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:22:27,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421318187] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:22:27,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:22:27,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2022-07-14 00:22:27,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244798119] [2022-07-14 00:22:27,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:22:27,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:22:27,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:22:27,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:22:27,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-14 00:22:27,322 INFO L87 Difference]: Start difference. First operand 147760 states and 219883 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) [2022-07-14 00:22:40,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:22:40,586 INFO L93 Difference]: Finished difference Result 440986 states and 656360 transitions. [2022-07-14 00:22:40,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:22:40,586 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 [2022-07-14 00:22:40,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:22:43,168 INFO L225 Difference]: With dead ends: 440986 [2022-07-14 00:22:43,168 INFO L226 Difference]: Without dead ends: 293235 [2022-07-14 00:22:43,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-14 00:22:43,876 INFO L413 NwaCegarLoop]: 9088 mSDtfsCounter, 6507 mSDsluCounter, 6643 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6507 SdHoareTripleChecker+Valid, 15731 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:22:43,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6507 Valid, 15731 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 00:22:44,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293235 states.