./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:15:08,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:15:08,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:15:08,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:15:08,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:15:08,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:15:08,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:15:08,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:15:08,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:15:08,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:15:08,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:15:08,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:15:08,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:15:08,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:15:08,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:15:08,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:15:08,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:15:08,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:15:08,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:15:08,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:15:08,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:15:08,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:15:08,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:15:08,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:15:08,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:15:08,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:15:08,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:15:08,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:15:08,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:15:08,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:15:08,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:15:08,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:15:08,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:15:08,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:15:08,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:15:08,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:15:08,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:15:08,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:15:08,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:15:08,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:15:08,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:15:08,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:15:08,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:15:08,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:15:08,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:15:08,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:15:08,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:15:08,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:15:08,532 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:15:08,533 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:15:08,533 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:15:08,533 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:15:08,534 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:15:08,535 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:15:08,535 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:15:08,535 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:15:08,535 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:15:08,536 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:15:08,536 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:15:08,536 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:15:08,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:15:08,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:15:08,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:15:08,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:15:08,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:15:08,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:15:08,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:15:08,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:15:08,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:15:08,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:15:08,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:15:08,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:15:08,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:15:08,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:15:08,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:15:08,542 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:15:08,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:15:08,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:15:08,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:15:08,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:15:08,543 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac [2021-11-23 02:15:08,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:15:08,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:15:08,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:15:08,857 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:15:08,858 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:15:08,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-23 02:15:08,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/data/4ba4920e9/9b3b23ef526f4194b5c0c460c43b32a7/FLAG11ecd3dfb [2021-11-23 02:15:10,135 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:15:10,135 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-23 02:15:10,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/data/4ba4920e9/9b3b23ef526f4194b5c0c460c43b32a7/FLAG11ecd3dfb [2021-11-23 02:15:10,290 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/data/4ba4920e9/9b3b23ef526f4194b5c0c460c43b32a7 [2021-11-23 02:15:10,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:15:10,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:15:10,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:15:10,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:15:10,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:15:10,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:15:10" (1/1) ... [2021-11-23 02:15:10,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63579f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:10, skipping insertion in model container [2021-11-23 02:15:10,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:15:10" (1/1) ... [2021-11-23 02:15:10,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:15:10,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:15:20,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2021-11-23 02:15:20,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:15:20,593 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:15:21,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2021-11-23 02:15:21,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:15:22,162 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:15:22,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22 WrapperNode [2021-11-23 02:15:22,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:15:22,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:15:22,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:15:22,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:15:22,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22" (1/1) ... [2021-11-23 02:15:22,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22" (1/1) ... [2021-11-23 02:15:22,995 INFO L137 Inliner]: procedures = 861, calls = 7350, calls flagged for inlining = 377, calls inlined = 281, statements flattened = 14078 [2021-11-23 02:15:22,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:15:22,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:15:22,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:15:22,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:15:23,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22" (1/1) ... [2021-11-23 02:15:23,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22" (1/1) ... [2021-11-23 02:15:23,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22" (1/1) ... [2021-11-23 02:15:23,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22" (1/1) ... [2021-11-23 02:15:23,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22" (1/1) ... [2021-11-23 02:15:23,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22" (1/1) ... [2021-11-23 02:15:23,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22" (1/1) ... [2021-11-23 02:15:23,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:15:23,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:15:23,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:15:23,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:15:23,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22" (1/1) ... [2021-11-23 02:15:23,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:15:24,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:15:24,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:15:24,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2d6205-64d4-447e-b1e3-5788578e2322/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:15:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2021-11-23 02:15:24,191 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2021-11-23 02:15:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2021-11-23 02:15:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2021-11-23 02:15:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-23 02:15:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-23 02:15:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2021-11-23 02:15:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2021-11-23 02:15:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2021-11-23 02:15:24,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2021-11-23 02:15:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 02:15:24,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 02:15:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2021-11-23 02:15:24,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2021-11-23 02:15:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2021-11-23 02:15:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2021-11-23 02:15:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2021-11-23 02:15:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2021-11-23 02:15:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2021-11-23 02:15:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2021-11-23 02:15:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2021-11-23 02:15:24,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2021-11-23 02:15:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2021-11-23 02:15:24,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2021-11-23 02:15:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2021-11-23 02:15:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2021-11-23 02:15:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:15:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:15:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update_work [2021-11-23 02:15:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update_work [2021-11-23 02:15:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2021-11-23 02:15:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2021-11-23 02:15:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2021-11-23 02:15:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2021-11-23 02:15:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2021-11-23 02:15:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2021-11-23 02:15:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2021-11-23 02:15:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2021-11-23 02:15:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2021-11-23 02:15:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2021-11-23 02:15:24,213 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2021-11-23 02:15:24,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2021-11-23 02:15:24,214 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:15:24,214 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:15:24,214 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2021-11-23 02:15:24,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2021-11-23 02:15:24,215 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2021-11-23 02:15:24,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2021-11-23 02:15:24,215 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2021-11-23 02:15:24,215 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2021-11-23 02:15:24,215 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2021-11-23 02:15:24,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2021-11-23 02:15:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2021-11-23 02:15:24,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2021-11-23 02:15:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2021-11-23 02:15:24,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2021-11-23 02:15:24,217 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_led_work [2021-11-23 02:15:24,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_led_work [2021-11-23 02:15:24,217 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2021-11-23 02:15:24,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2021-11-23 02:15:24,217 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2021-11-23 02:15:24,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2021-11-23 02:15:24,218 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:15:24,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:15:24,218 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2021-11-23 02:15:24,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2021-11-23 02:15:24,218 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 02:15:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 02:15:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2021-11-23 02:15:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2021-11-23 02:15:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2021-11-23 02:15:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2021-11-23 02:15:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2021-11-23 02:15:24,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2021-11-23 02:15:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2021-11-23 02:15:24,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2021-11-23 02:15:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:15:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_period_work [2021-11-23 02:15:24,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_period_work [2021-11-23 02:15:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_8 [2021-11-23 02:15:24,221 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_8 [2021-11-23 02:15:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 02:15:24,221 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 02:15:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-23 02:15:24,222 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-23 02:15:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2021-11-23 02:15:24,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2021-11-23 02:15:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2021-11-23 02:15:24,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2021-11-23 02:15:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2021-11-23 02:15:24,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2021-11-23 02:15:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2021-11-23 02:15:24,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2021-11-23 02:15:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2021-11-23 02:15:24,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2021-11-23 02:15:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2021-11-23 02:15:24,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2021-11-23 02:15:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2021-11-23 02:15:24,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2021-11-23 02:15:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-23 02:15:24,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-23 02:15:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2021-11-23 02:15:24,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2021-11-23 02:15:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 02:15:24,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 02:15:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-23 02:15:24,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-23 02:15:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:15:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_duty_cycle_work [2021-11-23 02:15:24,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_duty_cycle_work [2021-11-23 02:15:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_8 [2021-11-23 02:15:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_8 [2021-11-23 02:15:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:15:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-23 02:15:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-23 02:15:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:15:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:15:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2021-11-23 02:15:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2021-11-23 02:15:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2021-11-23 02:15:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2021-11-23 02:15:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 02:15:24,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 02:15:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2021-11-23 02:15:24,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2021-11-23 02:15:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 02:15:24,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 02:15:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 02:15:24,230 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 02:15:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 02:15:24,230 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 02:15:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:15:24,230 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:15:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2021-11-23 02:15:24,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2021-11-23 02:15:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2021-11-23 02:15:24,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2021-11-23 02:15:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2021-11-23 02:15:24,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2021-11-23 02:15:24,232 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:15:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:15:24,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:15:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:15:24,232 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2021-11-23 02:15:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2021-11-23 02:15:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2021-11-23 02:15:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2021-11-23 02:15:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2021-11-23 02:15:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2021-11-23 02:15:24,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2021-11-23 02:15:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2021-11-23 02:15:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:15:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2021-11-23 02:15:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2021-11-23 02:15:24,247 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 02:15:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 02:15:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-23 02:15:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-23 02:15:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-23 02:15:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-23 02:15:24,248 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2021-11-23 02:15:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2021-11-23 02:15:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2021-11-23 02:15:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2021-11-23 02:15:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2021-11-23 02:15:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2021-11-23 02:15:24,249 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2021-11-23 02:15:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2021-11-23 02:15:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:15:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:15:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 02:15:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 02:15:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:15:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:15:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-11-23 02:15:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-11-23 02:15:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-23 02:15:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-23 02:15:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2021-11-23 02:15:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2021-11-23 02:15:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:15:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:15:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2021-11-23 02:15:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2021-11-23 02:15:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-23 02:15:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-23 02:15:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2021-11-23 02:15:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2021-11-23 02:15:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2021-11-23 02:15:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2021-11-23 02:15:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_8 [2021-11-23 02:15:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_8 [2021-11-23 02:15:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2021-11-23 02:15:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2021-11-23 02:15:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:15:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:15:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:15:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2021-11-23 02:15:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2021-11-23 02:15:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:15:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-23 02:15:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-23 02:15:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-11-23 02:15:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-11-23 02:15:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2021-11-23 02:15:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2021-11-23 02:15:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_7 [2021-11-23 02:15:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_7 [2021-11-23 02:15:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2021-11-23 02:15:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2021-11-23 02:15:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 02:15:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 02:15:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-23 02:15:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-23 02:15:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-23 02:15:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-23 02:15:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2021-11-23 02:15:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2021-11-23 02:15:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 02:15:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 02:15:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 02:15:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 02:15:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2021-11-23 02:15:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2021-11-23 02:15:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 02:15:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 02:15:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 02:15:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 02:15:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_8 [2021-11-23 02:15:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_8 [2021-11-23 02:15:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_wakeup [2021-11-23 02:15:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_wakeup [2021-11-23 02:15:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 02:15:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 02:15:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2021-11-23 02:15:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2021-11-23 02:15:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2021-11-23 02:15:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2021-11-23 02:15:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-11-23 02:15:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-11-23 02:15:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-23 02:15:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-23 02:15:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2021-11-23 02:15:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2021-11-23 02:15:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 02:15:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 02:15:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:15:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:15:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2021-11-23 02:15:24,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2021-11-23 02:15:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2021-11-23 02:15:24,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2021-11-23 02:15:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2021-11-23 02:15:24,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2021-11-23 02:15:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2021-11-23 02:15:24,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2021-11-23 02:15:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2021-11-23 02:15:24,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2021-11-23 02:15:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 02:15:24,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 02:15:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-23 02:15:24,288 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-23 02:15:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ani_work [2021-11-23 02:15:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ani_work [2021-11-23 02:15:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2021-11-23 02:15:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2021-11-23 02:15:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2021-11-23 02:15:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2021-11-23 02:15:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2021-11-23 02:15:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2021-11-23 02:15:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2021-11-23 02:15:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2021-11-23 02:15:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2021-11-23 02:15:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2021-11-23 02:15:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2021-11-23 02:15:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2021-11-23 02:15:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-23 02:15:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-23 02:15:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2021-11-23 02:15:24,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2021-11-23 02:15:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:15:24,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:15:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-11-23 02:15:24,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-11-23 02:15:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2021-11-23 02:15:24,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2021-11-23 02:15:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 02:15:24,291 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 02:15:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 02:15:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 02:15:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2021-11-23 02:15:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2021-11-23 02:15:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:15:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:15:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2021-11-23 02:15:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2021-11-23 02:15:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2021-11-23 02:15:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2021-11-23 02:15:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2021-11-23 02:15:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2021-11-23 02:15:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2021-11-23 02:15:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2021-11-23 02:15:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2021-11-23 02:15:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2021-11-23 02:15:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2021-11-23 02:15:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2021-11-23 02:15:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2021-11-23 02:15:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2021-11-23 02:15:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2021-11-23 02:15:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2021-11-23 02:15:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2021-11-23 02:15:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2021-11-23 02:15:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:15:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:15:24,295 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2021-11-23 02:15:24,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2021-11-23 02:15:24,295 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2021-11-23 02:15:24,295 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2021-11-23 02:15:24,295 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2021-11-23 02:15:24,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2021-11-23 02:15:24,295 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2021-11-23 02:15:24,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2021-11-23 02:15:24,295 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2021-11-23 02:15:24,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2021-11-23 02:15:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:15:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2021-11-23 02:15:24,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2021-11-23 02:15:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_ps_work [2021-11-23 02:15:24,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_ps_work [2021-11-23 02:15:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-23 02:15:24,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-23 02:15:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 02:15:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 02:15:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-23 02:15:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-23 02:15:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2021-11-23 02:15:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2021-11-23 02:15:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:15:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2021-11-23 02:15:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2021-11-23 02:15:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:15:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:15:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:15:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2021-11-23 02:15:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2021-11-23 02:15:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:15:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:15:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-23 02:15:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-23 02:15:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 02:15:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 02:15:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 02:15:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 02:15:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 02:15:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 02:15:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-11-23 02:15:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-11-23 02:15:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 02:15:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 02:15:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2021-11-23 02:15:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2021-11-23 02:15:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2021-11-23 02:15:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2021-11-23 02:15:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-23 02:15:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-23 02:15:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2021-11-23 02:15:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2021-11-23 02:15:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2021-11-23 02:15:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2021-11-23 02:15:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-23 02:15:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-23 02:15:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2021-11-23 02:15:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2021-11-23 02:15:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2021-11-23 02:15:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2021-11-23 02:15:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:15:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:15:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-23 02:15:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-23 02:15:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2021-11-23 02:15:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2021-11-23 02:15:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2021-11-23 02:15:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2021-11-23 02:15:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 02:15:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 02:15:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-11-23 02:15:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-11-23 02:15:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2021-11-23 02:15:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2021-11-23 02:15:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2021-11-23 02:15:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2021-11-23 02:15:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 02:15:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 02:15:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 02:15:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 02:15:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2021-11-23 02:15:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2021-11-23 02:15:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-23 02:15:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-23 02:15:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-23 02:15:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-23 02:15:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 02:15:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 02:15:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 02:15:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 02:15:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2021-11-23 02:15:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2021-11-23 02:15:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 02:15:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 02:15:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2021-11-23 02:15:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2021-11-23 02:15:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:15:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:15:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:15:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-23 02:15:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-23 02:15:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2021-11-23 02:15:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2021-11-23 02:15:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2021-11-23 02:15:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2021-11-23 02:15:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2021-11-23 02:15:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2021-11-23 02:15:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-23 02:15:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-23 02:15:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 02:15:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 02:15:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2021-11-23 02:15:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2021-11-23 02:15:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:15:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:15:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-23 02:15:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-23 02:15:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2021-11-23 02:15:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2021-11-23 02:15:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2021-11-23 02:15:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2021-11-23 02:15:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2021-11-23 02:15:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2021-11-23 02:15:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-23 02:15:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-23 02:15:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2021-11-23 02:15:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2021-11-23 02:15:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-11-23 02:15:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-11-23 02:15:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2021-11-23 02:15:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2021-11-23 02:15:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:15:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2021-11-23 02:15:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2021-11-23 02:15:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2021-11-23 02:15:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2021-11-23 02:15:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2021-11-23 02:15:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2021-11-23 02:15:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-23 02:15:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-23 02:15:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2021-11-23 02:15:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2021-11-23 02:15:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 02:15:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 02:15:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 02:15:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 02:15:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-11-23 02:15:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-11-23 02:15:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-23 02:15:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-23 02:15:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2021-11-23 02:15:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2021-11-23 02:15:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-23 02:15:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-23 02:15:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_restore [2021-11-23 02:15:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_restore [2021-11-23 02:15:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 02:15:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 02:15:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2021-11-23 02:15:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2021-11-23 02:15:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-23 02:15:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-23 02:15:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:15:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:15:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-11-23 02:15:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-11-23 02:15:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2021-11-23 02:15:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2021-11-23 02:15:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2021-11-23 02:15:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2021-11-23 02:15:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 02:15:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 02:15:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-23 02:15:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-23 02:15:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 02:15:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 02:15:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 02:15:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 02:15:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-11-23 02:15:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-11-23 02:15:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 02:15:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 02:15:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-23 02:15:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-23 02:15:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2021-11-23 02:15:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2021-11-23 02:15:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-11-23 02:15:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-11-23 02:15:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2021-11-23 02:15:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2021-11-23 02:15:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 02:15:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 02:15:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 02:15:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 02:15:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-23 02:15:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-23 02:15:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-23 02:15:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-23 02:15:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2021-11-23 02:15:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2021-11-23 02:15:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:15:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2021-11-23 02:15:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2021-11-23 02:15:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2021-11-23 02:15:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2021-11-23 02:15:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2021-11-23 02:15:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2021-11-23 02:15:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_channel_switch_beacon [2021-11-23 02:15:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_channel_switch_beacon [2021-11-23 02:15:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2021-11-23 02:15:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2021-11-23 02:15:26,138 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:15:26,144 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:15:27,013 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:15:45,247 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:15:50,260 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:15:50,261 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:15:50,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:15:50 BoogieIcfgContainer [2021-11-23 02:15:50,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:15:50,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:15:50,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:15:50,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:15:50,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:15:10" (1/3) ... [2021-11-23 02:15:50,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5def2dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:15:50, skipping insertion in model container [2021-11-23 02:15:50,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:22" (2/3) ... [2021-11-23 02:15:50,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5def2dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:15:50, skipping insertion in model container [2021-11-23 02:15:50,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:15:50" (3/3) ... [2021-11-23 02:15:50,287 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-23 02:15:50,295 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:15:50,295 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:15:50,382 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:15:50,403 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:15:50,403 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:15:50,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 3778 states, 2174 states have (on average 1.3049678012879484) internal successors, (2837), 2302 states have internal predecessors, (2837), 1348 states have call successors, (1348), 255 states have call predecessors, (1348), 254 states have return successors, (1329), 1292 states have call predecessors, (1329), 1329 states have call successors, (1329) [2021-11-23 02:15:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 02:15:50,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:50,529 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:15:50,530 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:15:50,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:50,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1990093139, now seen corresponding path program 1 times [2021-11-23 02:15:50,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:50,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807407296] [2021-11-23 02:15:50,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:50,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:15:51,728 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:51,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807407296] [2021-11-23 02:15:51,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807407296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:51,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:51,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:15:51,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74528327] [2021-11-23 02:15:51,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:51,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:15:51,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:51,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:15:51,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:51,839 INFO L87 Difference]: Start difference. First operand has 3778 states, 2174 states have (on average 1.3049678012879484) internal successors, (2837), 2302 states have internal predecessors, (2837), 1348 states have call successors, (1348), 255 states have call predecessors, (1348), 254 states have return successors, (1329), 1292 states have call predecessors, (1329), 1329 states have call successors, (1329) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 02:15:54,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:15:59,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:03,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:16:03,485 INFO L93 Difference]: Finished difference Result 11261 states and 16795 transitions. [2021-11-23 02:16:03,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:16:03,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2021-11-23 02:16:03,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:16:03,593 INFO L225 Difference]: With dead ends: 11261 [2021-11-23 02:16:03,594 INFO L226 Difference]: Without dead ends: 7445 [2021-11-23 02:16:03,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:16:03,648 INFO L933 BasicCegarLoop]: 6456 mSDtfsCounter, 5420 mSDsluCounter, 5488 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5420 SdHoareTripleChecker+Valid, 11442 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:16:03,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5420 Valid, 11442 Invalid, 1045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2021-11-23 02:16:03,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7445 states. [2021-11-23 02:16:04,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7445 to 7441. [2021-11-23 02:16:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7441 states, 4300 states have (on average 1.2948837209302326) internal successors, (5568), 4515 states have internal predecessors, (5568), 2637 states have call successors, (2637), 504 states have call predecessors, (2637), 503 states have return successors, (2636), 2561 states have call predecessors, (2636), 2636 states have call successors, (2636) [2021-11-23 02:16:04,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7441 states to 7441 states and 10841 transitions. [2021-11-23 02:16:04,341 INFO L78 Accepts]: Start accepts. Automaton has 7441 states and 10841 transitions. Word has length 70 [2021-11-23 02:16:04,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:16:04,342 INFO L470 AbstractCegarLoop]: Abstraction has 7441 states and 10841 transitions. [2021-11-23 02:16:04,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 02:16:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 7441 states and 10841 transitions. [2021-11-23 02:16:04,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 02:16:04,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:16:04,360 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-23 02:16:04,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:16:04,361 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:16:04,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:16:04,362 INFO L85 PathProgramCache]: Analyzing trace with hash 76649173, now seen corresponding path program 1 times [2021-11-23 02:16:04,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:16:04,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911731498] [2021-11-23 02:16:04,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:16:04,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:16:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:16:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 02:16:05,195 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:16:05,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911731498] [2021-11-23 02:16:05,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911731498] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:16:05,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:16:05,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:16:05,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582729255] [2021-11-23 02:16:05,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:16:05,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:16:05,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:16:05,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:16:05,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:16:05,199 INFO L87 Difference]: Start difference. First operand 7441 states and 10841 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 02:16:08,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:14,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:16:14,707 INFO L93 Difference]: Finished difference Result 21536 states and 31325 transitions. [2021-11-23 02:16:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:16:14,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2021-11-23 02:16:14,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:16:14,954 INFO L225 Difference]: With dead ends: 21536 [2021-11-23 02:16:14,954 INFO L226 Difference]: Without dead ends: 14102 [2021-11-23 02:16:15,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:16:15,004 INFO L933 BasicCegarLoop]: 6550 mSDtfsCounter, 4851 mSDsluCounter, 5437 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4851 SdHoareTripleChecker+Valid, 11489 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:16:15,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4851 Valid, 11489 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2021-11-23 02:16:15,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14102 states. [2021-11-23 02:16:15,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14102 to 14099. [2021-11-23 02:16:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14099 states, 8141 states have (on average 1.2938213978626705) internal successors, (10533), 8552 states have internal predecessors, (10533), 4979 states have call successors, (4979), 979 states have call predecessors, (4979), 978 states have return successors, (4978), 4829 states have call predecessors, (4978), 4978 states have call successors, (4978) [2021-11-23 02:16:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14099 states to 14099 states and 20490 transitions. [2021-11-23 02:16:16,103 INFO L78 Accepts]: Start accepts. Automaton has 14099 states and 20490 transitions. Word has length 86 [2021-11-23 02:16:16,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:16:16,106 INFO L470 AbstractCegarLoop]: Abstraction has 14099 states and 20490 transitions. [2021-11-23 02:16:16,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-23 02:16:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 14099 states and 20490 transitions. [2021-11-23 02:16:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 02:16:16,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:16:16,117 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:16:16,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:16:16,118 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:16:16,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:16:16,119 INFO L85 PathProgramCache]: Analyzing trace with hash 842967643, now seen corresponding path program 1 times [2021-11-23 02:16:16,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:16:16,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704369389] [2021-11-23 02:16:16,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:16:16,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:16:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:16:16,827 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-23 02:16:16,827 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:16:16,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704369389] [2021-11-23 02:16:16,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704369389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:16:16,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:16:16,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:16:16,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18911683] [2021-11-23 02:16:16,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:16:16,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:16:16,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:16:16,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:16:16,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:16:16,833 INFO L87 Difference]: Start difference. First operand 14099 states and 20490 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 02:16:18,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:24,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:16:24,403 INFO L93 Difference]: Finished difference Result 42138 states and 61224 transitions. [2021-11-23 02:16:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:16:24,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2021-11-23 02:16:24,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:16:24,622 INFO L225 Difference]: With dead ends: 42138 [2021-11-23 02:16:24,622 INFO L226 Difference]: Without dead ends: 28046 [2021-11-23 02:16:24,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:16:24,722 INFO L933 BasicCegarLoop]: 6459 mSDtfsCounter, 5378 mSDsluCounter, 5445 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5378 SdHoareTripleChecker+Valid, 11404 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:16:24,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5378 Valid, 11404 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-11-23 02:16:24,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28046 states. [2021-11-23 02:16:26,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28046 to 28041. [2021-11-23 02:16:26,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28041 states, 16179 states have (on average 1.293466839730515) internal successors, (20927), 17002 states have internal predecessors, (20927), 9905 states have call successors, (9905), 1957 states have call predecessors, (9905), 1956 states have return successors, (9904), 9605 states have call predecessors, (9904), 9904 states have call successors, (9904) [2021-11-23 02:16:26,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28041 states to 28041 states and 40736 transitions. [2021-11-23 02:16:26,575 INFO L78 Accepts]: Start accepts. Automaton has 28041 states and 40736 transitions. Word has length 111 [2021-11-23 02:16:26,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:16:26,576 INFO L470 AbstractCegarLoop]: Abstraction has 28041 states and 40736 transitions. [2021-11-23 02:16:26,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-23 02:16:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 28041 states and 40736 transitions. [2021-11-23 02:16:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 02:16:26,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:16:26,591 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:16:26,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:16:26,591 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:16:26,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:16:26,592 INFO L85 PathProgramCache]: Analyzing trace with hash -891360021, now seen corresponding path program 1 times [2021-11-23 02:16:26,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:16:26,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774547091] [2021-11-23 02:16:26,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:16:26,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:16:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:16:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-23 02:16:27,188 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:16:27,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774547091] [2021-11-23 02:16:27,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774547091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:16:27,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:16:27,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:16:27,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17051389] [2021-11-23 02:16:27,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:16:27,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:16:27,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:16:27,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:16:27,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:16:27,191 INFO L87 Difference]: Start difference. First operand 28041 states and 40736 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:16:28,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:30,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:34,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:38,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:16:38,265 INFO L93 Difference]: Finished difference Result 83793 states and 121686 transitions. [2021-11-23 02:16:38,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:16:38,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2021-11-23 02:16:38,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:16:38,776 INFO L225 Difference]: With dead ends: 83793 [2021-11-23 02:16:38,776 INFO L226 Difference]: Without dead ends: 55759 [2021-11-23 02:16:38,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:16:38,908 INFO L933 BasicCegarLoop]: 6515 mSDtfsCounter, 5393 mSDsluCounter, 5437 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5393 SdHoareTripleChecker+Valid, 11450 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:16:38,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5393 Valid, 11450 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2021-11-23 02:16:38,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55759 states. [2021-11-23 02:16:41,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55759 to 55755. [2021-11-23 02:16:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55755 states, 32142 states have (on average 1.292701138697032) internal successors, (41550), 33789 states have internal predecessors, (41550), 19700 states have call successors, (19700), 3913 states have call predecessors, (19700), 3912 states have return successors, (19699), 19100 states have call predecessors, (19699), 19699 states have call successors, (19699) [2021-11-23 02:16:42,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55755 states to 55755 states and 80949 transitions. [2021-11-23 02:16:42,501 INFO L78 Accepts]: Start accepts. Automaton has 55755 states and 80949 transitions. Word has length 128 [2021-11-23 02:16:42,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:16:42,503 INFO L470 AbstractCegarLoop]: Abstraction has 55755 states and 80949 transitions. [2021-11-23 02:16:42,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-23 02:16:42,503 INFO L276 IsEmpty]: Start isEmpty. Operand 55755 states and 80949 transitions. [2021-11-23 02:16:42,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 02:16:42,512 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:16:42,512 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-23 02:16:42,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:16:42,512 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:16:42,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:16:42,514 INFO L85 PathProgramCache]: Analyzing trace with hash 132045200, now seen corresponding path program 1 times [2021-11-23 02:16:42,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:16:42,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336998006] [2021-11-23 02:16:42,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:16:42,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:16:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:16:43,265 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 02:16:43,265 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:16:43,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336998006] [2021-11-23 02:16:43,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336998006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:16:43,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:16:43,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:16:43,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527523963] [2021-11-23 02:16:43,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:16:43,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:16:43,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:16:43,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:16:43,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:16:43,271 INFO L87 Difference]: Start difference. First operand 55755 states and 80949 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-23 02:16:45,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:47,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:52,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:16:52,874 INFO L93 Difference]: Finished difference Result 111504 states and 161889 transitions. [2021-11-23 02:16:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:16:52,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 113 [2021-11-23 02:16:52,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:16:53,259 INFO L225 Difference]: With dead ends: 111504 [2021-11-23 02:16:53,259 INFO L226 Difference]: Without dead ends: 55748 [2021-11-23 02:16:53,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:16:53,798 INFO L933 BasicCegarLoop]: 4962 mSDtfsCounter, 0 mSDsluCounter, 5463 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:16:53,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9921 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-11-23 02:16:53,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55748 states. [2021-11-23 02:16:56,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55748 to 55748. [2021-11-23 02:16:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55748 states, 32135 states have (on average 1.2925159483429283) internal successors, (41535), 33782 states have internal predecessors, (41535), 19700 states have call successors, (19700), 3913 states have call predecessors, (19700), 3912 states have return successors, (19699), 19100 states have call predecessors, (19699), 19699 states have call successors, (19699) [2021-11-23 02:16:56,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55748 states to 55748 states and 80934 transitions. [2021-11-23 02:16:56,486 INFO L78 Accepts]: Start accepts. Automaton has 55748 states and 80934 transitions. Word has length 113 [2021-11-23 02:16:56,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:16:56,489 INFO L470 AbstractCegarLoop]: Abstraction has 55748 states and 80934 transitions. [2021-11-23 02:16:56,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-23 02:16:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 55748 states and 80934 transitions. [2021-11-23 02:16:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 02:16:56,494 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:16:56,494 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:16:56,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:16:56,494 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:16:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:16:56,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1958722609, now seen corresponding path program 1 times [2021-11-23 02:16:56,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:16:56,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257653529] [2021-11-23 02:16:56,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:16:56,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:16:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:16:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 02:16:57,343 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:16:57,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257653529] [2021-11-23 02:16:57,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257653529] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:16:57,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:16:57,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:16:57,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768390684] [2021-11-23 02:16:57,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:16:57,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:16:57,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:16:57,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:16:57,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:16:57,346 INFO L87 Difference]: Start difference. First operand 55748 states and 80934 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 02:16:59,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:17:01,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:17:10,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:17:10,190 INFO L93 Difference]: Finished difference Result 166228 states and 241244 transitions. [2021-11-23 02:17:10,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:17:10,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2021-11-23 02:17:10,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:17:10,926 INFO L225 Difference]: With dead ends: 166228 [2021-11-23 02:17:10,926 INFO L226 Difference]: Without dead ends: 110487 [2021-11-23 02:17:11,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:17:11,545 INFO L933 BasicCegarLoop]: 6909 mSDtfsCounter, 5313 mSDsluCounter, 5452 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5313 SdHoareTripleChecker+Valid, 11859 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:17:11,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5313 Valid, 11859 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1098 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2021-11-23 02:17:11,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110487 states. [2021-11-23 02:17:16,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110487 to 110468. [2021-11-23 02:17:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110468 states, 63655 states have (on average 1.2930798837483308) internal successors, (82311), 66950 states have internal predecessors, (82311), 38988 states have call successors, (38988), 7825 states have call predecessors, (38988), 7824 states have return successors, (38987), 37788 states have call predecessors, (38987), 38987 states have call successors, (38987) [2021-11-23 02:17:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110468 states to 110468 states and 160286 transitions. [2021-11-23 02:17:17,370 INFO L78 Accepts]: Start accepts. Automaton has 110468 states and 160286 transitions. Word has length 131 [2021-11-23 02:17:17,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:17:17,371 INFO L470 AbstractCegarLoop]: Abstraction has 110468 states and 160286 transitions. [2021-11-23 02:17:17,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 02:17:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 110468 states and 160286 transitions. [2021-11-23 02:17:17,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 02:17:17,377 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:17:17,377 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:17:17,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:17:17,378 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:17:17,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:17:17,378 INFO L85 PathProgramCache]: Analyzing trace with hash 618435770, now seen corresponding path program 1 times [2021-11-23 02:17:17,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:17:17,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092384040] [2021-11-23 02:17:17,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:17:17,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:17:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:17:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 02:17:17,883 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:17:17,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092384040] [2021-11-23 02:17:17,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092384040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:17:17,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:17:17,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:17:17,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930796819] [2021-11-23 02:17:17,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:17:17,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:17:17,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:17:17,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:17:17,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:17:17,886 INFO L87 Difference]: Start difference. First operand 110468 states and 160286 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 02:17:19,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:17:23,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []