./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 35987657 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-?-3598765 [2022-07-21 11:11:31,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:11:31,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:11:31,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:11:31,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:11:31,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:11:31,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:11:31,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:11:31,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:11:31,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:11:31,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:11:31,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:11:31,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:11:31,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:11:31,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:11:31,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:11:31,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:11:31,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:11:31,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:11:31,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:11:31,469 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:11:31,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:11:31,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:11:31,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:11:31,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:11:31,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:11:31,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:11:31,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:11:31,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:11:31,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:11:31,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:11:31,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:11:31,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:11:31,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:11:31,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:11:31,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:11:31,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:11:31,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:11:31,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:11:31,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:11:31,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:11:31,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:11:31,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:11:31,524 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:11:31,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:11:31,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:11:31,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:11:31,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:11:31,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:11:31,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:11:31,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:11:31,527 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:11:31,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:11:31,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:11:31,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:11:31,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:11:31,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:11:31,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:11:31,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:11:31,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:11:31,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:11:31,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:11:31,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:11:31,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:11:31,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:11:31,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:11:31,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:11:31,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:11:31,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:11:31,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:11:31,531 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:11:31,531 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:11:31,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:11:31,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2022-07-21 11:11:31,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:11:31,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:11:31,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:11:31,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:11:31,891 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:11:31,893 INFO L432 ainManager$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 [2022-07-21 11:11:31,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85cc7a5f0/0e1fc0beb092484ea71a13dc7948edfc/FLAG97eca0528 [2022-07-21 11:11:32,892 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:11:32,893 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 [2022-07-21 11:11:32,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85cc7a5f0/0e1fc0beb092484ea71a13dc7948edfc/FLAG97eca0528 [2022-07-21 11:11:33,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85cc7a5f0/0e1fc0beb092484ea71a13dc7948edfc [2022-07-21 11:11:33,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:11:33,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:11:33,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:11:33,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:11:33,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:11:33,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:11:33" (1/1) ... [2022-07-21 11:11:33,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618b1b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:33, skipping insertion in model container [2022-07-21 11:11:33,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:11:33" (1/1) ... [2022-07-21 11:11:33,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:11:33,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:11:34,801 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] [2022-07-21 11:11:39,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:11:39,987 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:11:40,165 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] [2022-07-21 11:11:40,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:11:41,196 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:11:41,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41 WrapperNode [2022-07-21 11:11:41,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:11:41,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:11:41,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:11:41,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:11:41,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:41,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:41,811 INFO L137 Inliner]: procedures = 713, calls = 6649, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13298 [2022-07-21 11:11:41,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:11:41,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:11:41,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:11:41,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:11:41,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:41,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:41,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:41,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:42,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:42,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:42,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:42,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:11:42,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:11:42,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:11:42,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:11:42,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41" (1/1) ... [2022-07-21 11:11:42,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:11:42,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:11:42,601 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) [2022-07-21 11:11:42,632 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 [2022-07-21 11:11:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-07-21 11:11:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-07-21 11:11:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-07-21 11:11:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-07-21 11:11:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-21 11:11:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-21 11:11:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-07-21 11:11:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-07-21 11:11:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-07-21 11:11:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-07-21 11:11:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-07-21 11:11:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-07-21 11:11:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-21 11:11:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-21 11:11:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-07-21 11:11:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-07-21 11:11:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-07-21 11:11:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-07-21 11:11:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-07-21 11:11:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-07-21 11:11:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-07-21 11:11:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-07-21 11:11:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 11:11:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 11:11:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-07-21 11:11:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-07-21 11:11:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:11:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:11:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-07-21 11:11:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-07-21 11:11:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-07-21 11:11:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-07-21 11:11:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-07-21 11:11:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-07-21 11:11:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-21 11:11:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-21 11:11:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-07-21 11:11:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-07-21 11:11:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-07-21 11:11:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-07-21 11:11:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-07-21 11:11:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-07-21 11:11:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-07-21 11:11:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-07-21 11:11:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-07-21 11:11:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-07-21 11:11:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 11:11:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 11:11:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-07-21 11:11:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-07-21 11:11:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-07-21 11:11:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-07-21 11:11:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-07-21 11:11:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-07-21 11:11:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-07-21 11:11:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-07-21 11:11:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-07-21 11:11:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-07-21 11:11:42,664 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-07-21 11:11:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-07-21 11:11:42,665 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-07-21 11:11:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-07-21 11:11:42,665 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:11:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:11:42,665 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-07-21 11:11:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-07-21 11:11:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-07-21 11:11:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-07-21 11:11:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-07-21 11:11:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-07-21 11:11:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-07-21 11:11:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-07-21 11:11:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-07-21 11:11:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-07-21 11:11:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-07-21 11:11:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-07-21 11:11:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-07-21 11:11:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-07-21 11:11:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-21 11:11:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-07-21 11:11:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-07-21 11:11:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 11:11:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 11:11:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-07-21 11:11:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-07-21 11:11:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-07-21 11:11:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-07-21 11:11:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-07-21 11:11:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-07-21 11:11:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-07-21 11:11:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-07-21 11:11:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-07-21 11:11:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-07-21 11:11:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:11:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-07-21 11:11:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-07-21 11:11:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-07-21 11:11:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-07-21 11:11:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 11:11:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 11:11:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 11:11:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 11:11:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-07-21 11:11:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-07-21 11:11:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-07-21 11:11:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-07-21 11:11:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-07-21 11:11:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-07-21 11:11:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-07-21 11:11:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-07-21 11:11:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 11:11:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 11:11:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-07-21 11:11:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-07-21 11:11:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 11:11:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 11:11:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-07-21 11:11:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-07-21 11:11:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-07-21 11:11:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-07-21 11:11:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:11:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 11:11:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 11:11:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-07-21 11:11:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-07-21 11:11:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-07-21 11:11:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-07-21 11:11:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-07-21 11:11:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-07-21 11:11:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 11:11:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 11:11:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:11:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2022-07-21 11:11:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2022-07-21 11:11:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-07-21 11:11:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-07-21 11:11:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-07-21 11:11:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-07-21 11:11:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-07-21 11:11:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-07-21 11:11:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:11:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-21 11:11:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-21 11:11:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:11:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:11:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-07-21 11:11:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-07-21 11:11:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-07-21 11:11:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-07-21 11:11:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-07-21 11:11:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-07-21 11:11:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-21 11:11:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-21 11:11:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-21 11:11:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-21 11:11:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 11:11:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 11:11:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-07-21 11:11:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-07-21 11:11:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-07-21 11:11:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-07-21 11:11:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-07-21 11:11:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-07-21 11:11:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-07-21 11:11:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-07-21 11:11:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-07-21 11:11:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-07-21 11:11:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 11:11:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 11:11:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-07-21 11:11:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-07-21 11:11:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-07-21 11:11:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-07-21 11:11:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-07-21 11:11:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-07-21 11:11:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-21 11:11:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-21 11:11:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-21 11:11:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-07-21 11:11:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-07-21 11:11:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:11:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-07-21 11:11:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-07-21 11:11:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-21 11:11:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-21 11:11:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-07-21 11:11:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-07-21 11:11:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:11:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-07-21 11:11:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-07-21 11:11:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-21 11:11:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-21 11:11:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-07-21 11:11:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-07-21 11:11:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-21 11:11:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-21 11:11:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:11:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 11:11:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-07-21 11:11:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-07-21 11:11:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:11:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:11:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-07-21 11:11:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-07-21 11:11:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-07-21 11:11:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-07-21 11:11:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 11:11:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 11:11:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 11:11:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 11:11:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-07-21 11:11:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-07-21 11:11:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-07-21 11:11:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-07-21 11:11:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 11:11:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 11:11:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 11:11:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 11:11:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-07-21 11:11:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-07-21 11:11:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-21 11:11:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-21 11:11:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 11:11:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 11:11:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 11:11:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 11:11:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-21 11:11:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-21 11:11:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-07-21 11:11:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-07-21 11:11:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-07-21 11:11:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-07-21 11:11:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-07-21 11:11:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-07-21 11:11:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 11:11:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 11:11:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-07-21 11:11:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-07-21 11:11:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-07-21 11:11:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-07-21 11:11:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 11:11:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 11:11:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 11:11:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 11:11:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-07-21 11:11:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-07-21 11:11:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-21 11:11:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-21 11:11:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:11:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:11:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-21 11:11:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-21 11:11:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-07-21 11:11:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-07-21 11:11:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 11:11:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 11:11:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-07-21 11:11:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-07-21 11:11:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 11:11:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 11:11:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-07-21 11:11:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-07-21 11:11:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-07-21 11:11:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-07-21 11:11:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-07-21 11:11:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-07-21 11:11:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-21 11:11:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-21 11:11:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-07-21 11:11:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-07-21 11:11:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:11:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:11:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:11:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:11:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-21 11:11:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-21 11:11:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-07-21 11:11:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-07-21 11:11:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-21 11:11:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-21 11:11:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-07-21 11:11:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-07-21 11:11:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-21 11:11:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-21 11:11:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-07-21 11:11:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-07-21 11:11:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-07-21 11:11:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-07-21 11:11:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-07-21 11:11:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-07-21 11:11:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-07-21 11:11:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-07-21 11:11:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-07-21 11:11:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-07-21 11:11:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-07-21 11:11:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-07-21 11:11:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-21 11:11:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-21 11:11:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:11:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:11:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-21 11:11:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-21 11:11:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-21 11:11:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-21 11:11:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:11:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:11:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-21 11:11:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-21 11:11:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-21 11:11:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-21 11:11:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-07-21 11:11:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-07-21 11:11:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 11:11:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 11:11:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-07-21 11:11:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-07-21 11:11:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:11:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:11:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:11:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:11:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-07-21 11:11:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-07-21 11:11:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-21 11:11:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-21 11:11:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-07-21 11:11:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-07-21 11:11:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-07-21 11:11:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-07-21 11:11:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-21 11:11:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-21 11:11:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-07-21 11:11:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-07-21 11:11:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-07-21 11:11:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-07-21 11:11:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-21 11:11:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-21 11:11:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-07-21 11:11:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-07-21 11:11:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-07-21 11:11:42,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-07-21 11:11:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:11:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 11:11:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 11:11:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-07-21 11:11:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-07-21 11:11:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:11:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-21 11:11:42,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-21 11:11:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-07-21 11:11:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-07-21 11:11:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-21 11:11:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-21 11:11:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-07-21 11:11:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-07-21 11:11:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-07-21 11:11:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-07-21 11:11:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-07-21 11:11:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-07-21 11:11:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-07-21 11:11:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-07-21 11:11:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-07-21 11:11:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-07-21 11:11:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:11:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-07-21 11:11:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-07-21 11:11:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-07-21 11:11:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-07-21 11:11:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-07-21 11:11:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-07-21 11:11:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-07-21 11:11:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-07-21 11:11:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 11:11:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 11:11:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-21 11:11:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-21 11:11:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 11:11:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 11:11:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-07-21 11:11:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-07-21 11:11:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 11:11:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 11:11:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:11:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:11:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-07-21 11:11:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-07-21 11:11:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-21 11:11:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-21 11:11:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 11:11:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 11:11:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-21 11:11:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-21 11:11:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-07-21 11:11:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-07-21 11:11:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-21 11:11:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-21 11:11:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:11:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:11:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-07-21 11:11:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-07-21 11:11:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-21 11:11:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-21 11:11:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 11:11:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 11:11:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 11:11:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 11:11:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-21 11:11:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-21 11:11:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 11:11:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 11:11:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-07-21 11:11:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-07-21 11:11:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 11:11:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 11:11:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-07-21 11:11:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-07-21 11:11:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-07-21 11:11:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-07-21 11:11:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2022-07-21 11:11:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2022-07-21 11:11:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-21 11:11:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-21 11:11:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:11:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:11:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-07-21 11:11:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-07-21 11:11:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-07-21 11:11:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-07-21 11:11:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-07-21 11:11:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-07-21 11:11:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-07-21 11:11:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-07-21 11:11:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-21 11:11:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-21 11:11:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:11:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-07-21 11:11:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-07-21 11:11:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-21 11:11:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-21 11:11:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:11:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:11:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-07-21 11:11:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-07-21 11:11:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-21 11:11:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-21 11:11:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 11:11:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 11:11:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 11:11:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 11:11:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-07-21 11:11:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-07-21 11:11:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-07-21 11:11:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-07-21 11:11:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-21 11:11:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-21 11:11:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-07-21 11:11:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-07-21 11:11:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-07-21 11:11:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-07-21 11:11:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-07-21 11:11:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-07-21 11:11:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-07-21 11:11:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-07-21 11:11:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 11:11:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 11:11:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-21 11:11:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-21 11:11:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-21 11:11:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-21 11:11:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-07-21 11:11:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-07-21 11:11:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-07-21 11:11:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-07-21 11:11:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2022-07-21 11:11:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2022-07-21 11:11:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-07-21 11:11:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-07-21 11:11:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-07-21 11:11:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-07-21 11:11:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-07-21 11:11:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-07-21 11:11:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-07-21 11:11:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-07-21 11:11:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 11:11:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 11:11:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 11:11:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 11:11:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-21 11:11:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-21 11:11:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-07-21 11:11:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-07-21 11:11:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-21 11:11:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-21 11:11:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-07-21 11:11:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-07-21 11:11:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:11:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-07-21 11:11:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-07-21 11:11:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-07-21 11:11:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-07-21 11:11:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-07-21 11:11:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-07-21 11:11:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-07-21 11:11:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-07-21 11:11:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-07-21 11:11:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-07-21 11:11:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-07-21 11:11:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-07-21 11:11:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-21 11:11:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-21 11:11:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-21 11:11:44,175 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:11:44,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:11:44,814 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:11:55,353 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:11:55,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:11:55,384 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-21 11:11:55,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:11:55 BoogieIcfgContainer [2022-07-21 11:11:55,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:11:55,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:11:55,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:11:55,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:11:55,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:11:33" (1/3) ... [2022-07-21 11:11:55,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfdc11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:11:55, skipping insertion in model container [2022-07-21 11:11:55,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:11:41" (2/3) ... [2022-07-21 11:11:55,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfdc11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:11:55, skipping insertion in model container [2022-07-21 11:11:55,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:11:55" (3/3) ... [2022-07-21 11:11:55,398 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 [2022-07-21 11:11:55,410 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:11:55,411 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:11:55,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:11:55,543 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@4fa3e670, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@45f12780 [2022-07-21 11:11:55,543 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:11:55,560 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) [2022-07-21 11:11:55,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-21 11:11:55,577 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:11:55,578 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] [2022-07-21 11:11:55,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:11:55,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:11:55,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1739770159, now seen corresponding path program 1 times [2022-07-21 11:11:55,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:11:55,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376922388] [2022-07-21 11:11:55,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:11:55,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:11:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:11:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:11:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:11:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 11:11:56,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:11:56,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376922388] [2022-07-21 11:11:56,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376922388] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:11:56,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:11:56,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:11:56,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287492691] [2022-07-21 11:11:56,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:11:56,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:11:56,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:11:56,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:11:56,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:11:56,653 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) [2022-07-21 11:12:04,750 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 [] [2022-07-21 11:12:14,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:12:14,335 INFO L93 Difference]: Finished difference Result 14834 states and 22931 transitions. [2022-07-21 11:12:14,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:12:14,337 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 [2022-07-21 11:12:14,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:12:14,439 INFO L225 Difference]: With dead ends: 14834 [2022-07-21 11:12:14,439 INFO L226 Difference]: Without dead ends: 10161 [2022-07-21 11:12:14,483 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 [2022-07-21 11:12:14,486 INFO L413 NwaCegarLoop]: 7483 mSDtfsCounter, 8963 mSDsluCounter, 7927 mSDsCounter, 0 mSdLazyCounter, 5478 mSolverCounterSat, 3630 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9898 SdHoareTripleChecker+Valid, 15410 SdHoareTripleChecker+Invalid, 9109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3630 IncrementalHoareTripleChecker+Valid, 5478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:12:14,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9898 Valid, 15410 Invalid, 9109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3630 Valid, 5478 Invalid, 1 Unknown, 0 Unchecked, 16.8s Time] [2022-07-21 11:12:14,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10161 states. [2022-07-21 11:12:15,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10161 to 9142. [2022-07-21 11:12:15,022 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) [2022-07-21 11:12:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9142 states to 9142 states and 13225 transitions. [2022-07-21 11:12:15,089 INFO L78 Accepts]: Start accepts. Automaton has 9142 states and 13225 transitions. Word has length 41 [2022-07-21 11:12:15,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:12:15,090 INFO L495 AbstractCegarLoop]: Abstraction has 9142 states and 13225 transitions. [2022-07-21 11:12:15,090 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) [2022-07-21 11:12:15,091 INFO L276 IsEmpty]: Start isEmpty. Operand 9142 states and 13225 transitions. [2022-07-21 11:12:15,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-21 11:12:15,100 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:12:15,101 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] [2022-07-21 11:12:15,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:12:15,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:12:15,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:12:15,102 INFO L85 PathProgramCache]: Analyzing trace with hash 141111332, now seen corresponding path program 1 times [2022-07-21 11:12:15,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:12:15,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027185826] [2022-07-21 11:12:15,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:12:15,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:12:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:12:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:12:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:12:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 11:12:15,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:12:15,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027185826] [2022-07-21 11:12:15,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027185826] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:12:15,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:12:15,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:12:15,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312962024] [2022-07-21 11:12:15,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:12:15,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:12:15,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:12:15,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:12:15,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:12:15,837 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) [2022-07-21 11:12:27,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:12:34,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:12:41,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:12:41,114 INFO L93 Difference]: Finished difference Result 29407 states and 44508 transitions. [2022-07-21 11:12:41,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:12:41,115 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 [2022-07-21 11:12:41,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:12:41,278 INFO L225 Difference]: With dead ends: 29407 [2022-07-21 11:12:41,278 INFO L226 Difference]: Without dead ends: 20267 [2022-07-21 11:12:41,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:12:41,358 INFO L413 NwaCegarLoop]: 8086 mSDtfsCounter, 8853 mSDsluCounter, 20430 mSDsCounter, 0 mSdLazyCounter, 11626 mSolverCounterSat, 3562 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9724 SdHoareTripleChecker+Valid, 28516 SdHoareTripleChecker+Invalid, 15190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3562 IncrementalHoareTripleChecker+Valid, 11626 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:12:41,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9724 Valid, 28516 Invalid, 15190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3562 Valid, 11626 Invalid, 2 Unknown, 0 Unchecked, 24.3s Time] [2022-07-21 11:12:41,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20267 states. [2022-07-21 11:12:42,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20267 to 18536. [2022-07-21 11:12:42,265 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, (5684), 4833 states have call predecessors, (5684), 4913 states have call successors, (5684) [2022-07-21 11:12:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 27519 transitions. [2022-07-21 11:12:42,372 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 27519 transitions. Word has length 51 [2022-07-21 11:12:42,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:12:42,373 INFO L495 AbstractCegarLoop]: Abstraction has 18536 states and 27519 transitions. [2022-07-21 11:12:42,374 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) [2022-07-21 11:12:42,374 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 27519 transitions. [2022-07-21 11:12:42,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-21 11:12:42,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:12:42,394 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] [2022-07-21 11:12:42,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:12:42,396 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:12:42,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:12:42,397 INFO L85 PathProgramCache]: Analyzing trace with hash 836011653, now seen corresponding path program 1 times [2022-07-21 11:12:42,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:12:42,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676640455] [2022-07-21 11:12:42,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:12:42,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:12:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:12:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:42,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:12:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 11:12:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 11:12:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 11:12:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:42,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 11:12:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:42,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:12:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:42,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:12:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:42,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 11:12:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:42,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:12:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:43,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:12:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:12:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:43,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:12:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:12:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:43,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:12:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:12:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:12:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:12:43,173 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-21 11:12:43,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:12:43,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676640455] [2022-07-21 11:12:43,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676640455] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:12:43,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:12:43,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:12:43,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749490259] [2022-07-21 11:12:43,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:12:43,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:12:43,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:12:43,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:12:43,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:12:43,178 INFO L87 Difference]: Start difference. First operand 18536 states and 27519 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) [2022-07-21 11:12:53,039 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 [] [2022-07-21 11:13:11,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:13:11,356 INFO L93 Difference]: Finished difference Result 61002 states and 92674 transitions. [2022-07-21 11:13:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:13:11,358 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 [2022-07-21 11:13:11,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:13:11,848 INFO L225 Difference]: With dead ends: 61002 [2022-07-21 11:13:11,848 INFO L226 Difference]: Without dead ends: 42475 [2022-07-21 11:13:11,932 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 [2022-07-21 11:13:11,937 INFO L413 NwaCegarLoop]: 7047 mSDtfsCounter, 15712 mSDsluCounter, 10099 mSDsCounter, 0 mSdLazyCounter, 9344 mSolverCounterSat, 10990 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16739 SdHoareTripleChecker+Valid, 17146 SdHoareTripleChecker+Invalid, 20335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10990 IncrementalHoareTripleChecker+Valid, 9344 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:13:11,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16739 Valid, 17146 Invalid, 20335 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10990 Valid, 9344 Invalid, 1 Unknown, 0 Unchecked, 26.6s Time] [2022-07-21 11:13:11,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42475 states. [2022-07-21 11:13:13,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42475 to 37440. [2022-07-21 11:13:13,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37440 states, 25506 states have (on average 1.3428605034109622) internal successors, (34251), 26293 states have internal predecessors, (34251), 9852 states have call successors, (9852), 1938 states have call predecessors, (9852), 2081 states have return successors, (11676), 9713 states have call predecessors, (11676), 9851 states have call successors, (11676) [2022-07-21 11:13:13,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37440 states to 37440 states and 55779 transitions. [2022-07-21 11:13:13,953 INFO L78 Accepts]: Start accepts. Automaton has 37440 states and 55779 transitions. Word has length 147 [2022-07-21 11:13:13,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:13:13,955 INFO L495 AbstractCegarLoop]: Abstraction has 37440 states and 55779 transitions. [2022-07-21 11:13:13,955 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) [2022-07-21 11:13:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 37440 states and 55779 transitions. [2022-07-21 11:13:13,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-21 11:13:13,974 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:13:13,975 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] [2022-07-21 11:13:13,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:13:13,975 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:13:13,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:13:13,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1871085462, now seen corresponding path program 1 times [2022-07-21 11:13:13,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:13:13,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97899271] [2022-07-21 11:13:13,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:13:13,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:13:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:13:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:13:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 11:13:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:13:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 11:13:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:13:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:13:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:13:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 11:13:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:13:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:13:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:13:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:13:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 11:13:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:13:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:13:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 11:13:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-21 11:13:14,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:13:14,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97899271] [2022-07-21 11:13:14,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97899271] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:13:14,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:13:14,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:13:14,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866662472] [2022-07-21 11:13:14,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:13:14,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:13:14,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:13:14,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:13:14,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:13:14,662 INFO L87 Difference]: Start difference. First operand 37440 states and 55779 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) [2022-07-21 11:13:26,397 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 [] [2022-07-21 11:13:36,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:13:42,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:13:42,514 INFO L93 Difference]: Finished difference Result 121890 states and 185292 transitions. [2022-07-21 11:13:42,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:13:42,515 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 [2022-07-21 11:13:42,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:13:43,269 INFO L225 Difference]: With dead ends: 121890 [2022-07-21 11:13:43,269 INFO L226 Difference]: Without dead ends: 84459 [2022-07-21 11:13:43,643 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 [2022-07-21 11:13:43,644 INFO L413 NwaCegarLoop]: 7122 mSDtfsCounter, 15710 mSDsluCounter, 10169 mSDsCounter, 0 mSdLazyCounter, 9374 mSolverCounterSat, 10893 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16728 SdHoareTripleChecker+Valid, 17291 SdHoareTripleChecker+Invalid, 20268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10893 IncrementalHoareTripleChecker+Valid, 9374 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:13:43,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16728 Valid, 17291 Invalid, 20268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10893 Valid, 9374 Invalid, 1 Unknown, 0 Unchecked, 25.0s Time] [2022-07-21 11:13:43,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84459 states. [2022-07-21 11:13:46,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84459 to 74400. [2022-07-21 11:13:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74400 states, 50694 states have (on average 1.3430978025012823) internal successors, (68087), 52269 states have internal predecessors, (68087), 19544 states have call successors, (19544), 3874 states have call predecessors, (19544), 4161 states have return successors, (23164), 19265 states have call predecessors, (23164), 19543 states have call successors, (23164) [2022-07-21 11:13:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74400 states to 74400 states and 110795 transitions. [2022-07-21 11:13:47,905 INFO L78 Accepts]: Start accepts. Automaton has 74400 states and 110795 transitions. Word has length 148 [2022-07-21 11:13:47,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:13:47,906 INFO L495 AbstractCegarLoop]: Abstraction has 74400 states and 110795 transitions. [2022-07-21 11:13:47,907 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) [2022-07-21 11:13:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 74400 states and 110795 transitions. [2022-07-21 11:13:47,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-21 11:13:47,925 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:13:47,925 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] [2022-07-21 11:13:47,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 11:13:47,926 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:13:47,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:13:47,926 INFO L85 PathProgramCache]: Analyzing trace with hash -425534629, now seen corresponding path program 1 times [2022-07-21 11:13:47,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:13:47,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047736871] [2022-07-21 11:13:47,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:13:47,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:13:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:13:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:13:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:13:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:13:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 11:13:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 11:13:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:13:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:13:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:13:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:13:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:13:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:13:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:13:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-21 11:13:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:13:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:13:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 11:13:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:13:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-21 11:13:48,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:13:48,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047736871] [2022-07-21 11:13:48,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047736871] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:13:48,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:13:48,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:13:48,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555572020] [2022-07-21 11:13:48,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:13:48,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:13:48,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:13:48,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:13:48,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:13:48,809 INFO L87 Difference]: Start difference. First operand 74400 states and 110795 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) [2022-07-21 11:13:57,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:14:01,822 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 [] [2022-07-21 11:14:19,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:14:19,687 INFO L93 Difference]: Finished difference Result 242258 states and 368092 transitions. [2022-07-21 11:14:19,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:14:19,690 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 [2022-07-21 11:14:19,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:14:21,082 INFO L225 Difference]: With dead ends: 242258 [2022-07-21 11:14:21,082 INFO L226 Difference]: Without dead ends: 167867 [2022-07-21 11:14:21,489 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 [2022-07-21 11:14:21,490 INFO L413 NwaCegarLoop]: 7193 mSDtfsCounter, 15579 mSDsluCounter, 10526 mSDsCounter, 0 mSdLazyCounter, 9919 mSolverCounterSat, 10804 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16592 SdHoareTripleChecker+Valid, 17719 SdHoareTripleChecker+Invalid, 20724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10804 IncrementalHoareTripleChecker+Valid, 9919 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:14:21,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16592 Valid, 17719 Invalid, 20724 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10804 Valid, 9919 Invalid, 1 Unknown, 0 Unchecked, 25.3s Time] [2022-07-21 11:14:21,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167867 states. [2022-07-21 11:14:27,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167867 to 147760. [2022-07-21 11:14:27,594 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, (45900), 38161 states have call predecessors, (45900), 38719 states have call successors, (45900) [2022-07-21 11:14:29,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147760 states to 147760 states and 219931 transitions. [2022-07-21 11:14:29,091 INFO L78 Accepts]: Start accepts. Automaton has 147760 states and 219931 transitions. Word has length 151 [2022-07-21 11:14:29,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:14:29,092 INFO L495 AbstractCegarLoop]: Abstraction has 147760 states and 219931 transitions. [2022-07-21 11:14:29,092 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) [2022-07-21 11:14:29,092 INFO L276 IsEmpty]: Start isEmpty. Operand 147760 states and 219931 transitions. [2022-07-21 11:14:29,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-21 11:14:29,108 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:14:29,109 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] [2022-07-21 11:14:29,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 11:14:29,109 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:14:29,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:14:29,110 INFO L85 PathProgramCache]: Analyzing trace with hash 502137541, now seen corresponding path program 1 times [2022-07-21 11:14:29,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:14:29,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610975885] [2022-07-21 11:14:29,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:14:29,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:14:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:29,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:14:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:14:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 11:14:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:29,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:14:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:29,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:14:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:29,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:14:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:14:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:30,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:14:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:30,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:14:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:30,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:14:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:30,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:14:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:30,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:14:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:30,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:14:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:14:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 11:14:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:14:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 11:14:30,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:14:30,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610975885] [2022-07-21 11:14:30,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610975885] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:14:30,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109172668] [2022-07-21 11:14:30,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:14:30,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:14:30,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:14:30,644 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) [2022-07-21 11:14:30,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 11:14:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:32,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 7212 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:14:32,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:14:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-21 11:14:32,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:14:32,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109172668] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:14:32,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:14:32,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2022-07-21 11:14:32,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182103936] [2022-07-21 11:14:32,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:14:32,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:14:32,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:14:32,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:14:32,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-21 11:14:32,415 INFO L87 Difference]: Start difference. First operand 147760 states and 219931 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) [2022-07-21 11:14:42,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:14:42,955 INFO L93 Difference]: Finished difference Result 440986 states and 656504 transitions. [2022-07-21 11:14:42,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:14:42,955 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 [2022-07-21 11:14:42,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:14:45,503 INFO L225 Difference]: With dead ends: 440986 [2022-07-21 11:14:45,503 INFO L226 Difference]: Without dead ends: 293235 [2022-07-21 11:14:46,322 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 [2022-07-21 11:14:46,323 INFO L413 NwaCegarLoop]: 9172 mSDtfsCounter, 6507 mSDsluCounter, 6643 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6507 SdHoareTripleChecker+Valid, 15815 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:14:46,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6507 Valid, 15815 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:14:46,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293235 states.