./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI --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 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:43:14,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:43:14,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:43:14,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:43:14,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:43:14,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:43:14,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:43:14,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:43:14,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:43:14,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:43:14,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:43:14,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:43:14,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:43:14,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:43:14,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:43:14,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:43:14,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:43:14,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:43:14,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:43:14,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:43:14,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:43:14,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:43:14,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:43:14,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:43:14,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:43:14,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:43:14,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:43:14,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:43:14,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:43:14,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:43:14,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:43:14,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:43:14,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:43:14,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:43:14,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:43:14,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:43:14,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:43:14,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:43:14,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:43:14,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:43:14,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:43:14,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:43:14,270 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:43:14,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:43:14,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:43:14,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:43:14,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:43:14,272 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:43:14,273 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:43:14,273 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:43:14,273 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:43:14,274 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:43:14,274 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:43:14,274 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:43:14,275 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:43:14,275 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:43:14,275 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:43:14,276 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:43:14,276 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:43:14,276 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:43:14,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:43:14,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:43:14,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:43:14,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:43:14,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:43:14,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:43:14,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:43:14,280 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:43:14,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:43:14,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:43:14,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:43:14,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:43:14,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:43:14,282 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:43:14,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:43:14,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:43:14,283 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:43:14,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:43:14,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:43:14,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:43:14,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2022-11-03 03:43:14,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:43:14,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:43:14,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:43:14,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:43:14,678 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:43:14,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-03 03:43:14,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/data/ebfc6b1a6/9eb639de4b6e4ca383f18975e88f7a49/FLAG366f3e40a [2022-11-03 03:43:16,223 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:43:16,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-03 03:43:16,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/data/ebfc6b1a6/9eb639de4b6e4ca383f18975e88f7a49/FLAG366f3e40a [2022-11-03 03:43:16,692 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/data/ebfc6b1a6/9eb639de4b6e4ca383f18975e88f7a49 [2022-11-03 03:43:16,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:43:16,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:43:16,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:43:16,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:43:16,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:43:16,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:16,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106c2661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:16, skipping insertion in model container [2022-11-03 03:43:16,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:43:16" (1/1) ... [2022-11-03 03:43:16,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:43:17,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:43:18,666 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_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-03 03:43:25,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:43:25,815 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:43:25,991 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_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-03 03:43:26,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:43:27,082 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:43:27,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27 WrapperNode [2022-11-03 03:43:27,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:43:27,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:43:27,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:43:27,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:43:27,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (1/1) ... [2022-11-03 03:43:27,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (1/1) ... [2022-11-03 03:43:27,843 INFO L138 Inliner]: procedures = 713, calls = 6649, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13076 [2022-11-03 03:43:27,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:43:27,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:43:27,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:43:27,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:43:27,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (1/1) ... [2022-11-03 03:43:27,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (1/1) ... [2022-11-03 03:43:28,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (1/1) ... [2022-11-03 03:43:28,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (1/1) ... [2022-11-03 03:43:28,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (1/1) ... [2022-11-03 03:43:28,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (1/1) ... [2022-11-03 03:43:28,627 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (1/1) ... [2022-11-03 03:43:28,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (1/1) ... [2022-11-03 03:43:28,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:43:28,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:43:28,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:43:28,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:43:28,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (1/1) ... [2022-11-03 03:43:28,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:43:28,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:43:28,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:43:28,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0eb515f-0b37-43cd-b6e2-1ebcb900caa9/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:43:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-11-03 03:43:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-11-03 03:43:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-11-03 03:43:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-11-03 03:43:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-03 03:43:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-03 03:43:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-11-03 03:43:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-11-03 03:43:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-11-03 03:43:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-11-03 03:43:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-11-03 03:43:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-11-03 03:43:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-03 03:43:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-03 03:43:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-11-03 03:43:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-11-03 03:43:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-03 03:43:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-03 03:43:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-11-03 03:43:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-11-03 03:43:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-11-03 03:43:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-11-03 03:43:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 03:43:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 03:43:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-11-03 03:43:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-11-03 03:43:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:43:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:43:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-11-03 03:43:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-11-03 03:43:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-11-03 03:43:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-11-03 03:43:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-11-03 03:43:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-11-03 03:43:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-03 03:43:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-03 03:43:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-11-03 03:43:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-11-03 03:43:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-11-03 03:43:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-11-03 03:43:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-11-03 03:43:28,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-11-03 03:43:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-11-03 03:43:28,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-11-03 03:43:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-11-03 03:43:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-11-03 03:43:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 03:43:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 03:43:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-11-03 03:43:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-11-03 03:43:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-11-03 03:43:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-11-03 03:43:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-11-03 03:43:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-11-03 03:43:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-11-03 03:43:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-11-03 03:43:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-11-03 03:43:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-11-03 03:43:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-11-03 03:43:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-11-03 03:43:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-11-03 03:43:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-11-03 03:43:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 03:43:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 03:43:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-11-03 03:43:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-11-03 03:43:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-11-03 03:43:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-11-03 03:43:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-11-03 03:43:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-11-03 03:43:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-11-03 03:43:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-11-03 03:43:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-11-03 03:43:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-11-03 03:43:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-11-03 03:43:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-11-03 03:43:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-11-03 03:43:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-11-03 03:43:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-03 03:43:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-03 03:43:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-03 03:43:28,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:43:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:43:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-11-03 03:43:28,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-11-03 03:43:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-11-03 03:43:28,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-11-03 03:43:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-11-03 03:43:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-11-03 03:43:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-11-03 03:43:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-11-03 03:43:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-11-03 03:43:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-11-03 03:43:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:43:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-11-03 03:43:28,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-11-03 03:43:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-11-03 03:43:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-11-03 03:43:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-03 03:43:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-03 03:43:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 03:43:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 03:43:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-03 03:43:28,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-03 03:43:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-03 03:43:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-03 03:43:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-11-03 03:43:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-11-03 03:43:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-11-03 03:43:28,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-11-03 03:43:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 03:43:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 03:43:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-11-03 03:43:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-11-03 03:43:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 03:43:28,897 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 03:43:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-11-03 03:43:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-11-03 03:43:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-11-03 03:43:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-11-03 03:43:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:43:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 03:43:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 03:43:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-11-03 03:43:28,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-11-03 03:43:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-11-03 03:43:28,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-11-03 03:43:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-11-03 03:43:28,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-11-03 03:43:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 03:43:28,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 03:43:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:43:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2022-11-03 03:43:28,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2022-11-03 03:43:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-11-03 03:43:28,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-11-03 03:43:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-03 03:43:28,909 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-03 03:43:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-11-03 03:43:28,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-11-03 03:43:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:43:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-03 03:43:28,910 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-03 03:43:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:43:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:43:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-03 03:43:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-03 03:43:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-11-03 03:43:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-11-03 03:43:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-11-03 03:43:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-11-03 03:43:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-03 03:43:28,913 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-03 03:43:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-03 03:43:28,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-03 03:43:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-03 03:43:28,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-03 03:43:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-11-03 03:43:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-11-03 03:43:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-03 03:43:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-03 03:43:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-11-03 03:43:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-11-03 03:43:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-11-03 03:43:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-11-03 03:43:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-11-03 03:43:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-11-03 03:43:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:43:28,916 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:43:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-11-03 03:43:28,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-11-03 03:43:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-11-03 03:43:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-11-03 03:43:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-11-03 03:43:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-11-03 03:43:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-03 03:43:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-03 03:43:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-03 03:43:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-11-03 03:43:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-11-03 03:43:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:43:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-03 03:43:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-03 03:43:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 03:43:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 03:43:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-11-03 03:43:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-11-03 03:43:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:43:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-11-03 03:43:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-11-03 03:43:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-03 03:43:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-03 03:43:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-11-03 03:43:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-11-03 03:43:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-03 03:43:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-03 03:43:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:43:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:43:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-11-03 03:43:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-11-03 03:43:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:43:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:43:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-03 03:43:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-03 03:43:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-11-03 03:43:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-11-03 03:43:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-03 03:43:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-03 03:43:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-03 03:43:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-03 03:43:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-11-03 03:43:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-11-03 03:43:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-11-03 03:43:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-11-03 03:43:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 03:43:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 03:43:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-03 03:43:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-03 03:43:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-11-03 03:43:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-11-03 03:43:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-03 03:43:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-03 03:43:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 03:43:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 03:43:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 03:43:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 03:43:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-03 03:43:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-03 03:43:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-11-03 03:43:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-11-03 03:43:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-11-03 03:43:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-11-03 03:43:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-11-03 03:43:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-11-03 03:43:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 03:43:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 03:43:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-11-03 03:43:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-11-03 03:43:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-11-03 03:43:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-11-03 03:43:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 03:43:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 03:43:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 03:43:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 03:43:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-11-03 03:43:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-11-03 03:43:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-03 03:43:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-03 03:43:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:43:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:43:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-03 03:43:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-03 03:43:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-11-03 03:43:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-11-03 03:43:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 03:43:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 03:43:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-11-03 03:43:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-11-03 03:43:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 03:43:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 03:43:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-11-03 03:43:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-11-03 03:43:28,945 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-11-03 03:43:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-11-03 03:43:28,945 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-11-03 03:43:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-11-03 03:43:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-03 03:43:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-03 03:43:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-11-03 03:43:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-11-03 03:43:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:43:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:43:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:43:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:43:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 03:43:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 03:43:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-11-03 03:43:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-11-03 03:43:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-03 03:43:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-03 03:43:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-11-03 03:43:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-11-03 03:43:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-03 03:43:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-03 03:43:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-11-03 03:43:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-11-03 03:43:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-11-03 03:43:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-11-03 03:43:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-11-03 03:43:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-11-03 03:43:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-11-03 03:43:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-11-03 03:43:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-11-03 03:43:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-11-03 03:43:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-11-03 03:43:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-11-03 03:43:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-03 03:43:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-03 03:43:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 03:43:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 03:43:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-03 03:43:28,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-03 03:43:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-03 03:43:28,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-03 03:43:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:43:28,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:43:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-03 03:43:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-03 03:43:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-03 03:43:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-03 03:43:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-11-03 03:43:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-11-03 03:43:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 03:43:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 03:43:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-11-03 03:43:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-11-03 03:43:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:43:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:43:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:43:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:43:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-03 03:43:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-03 03:43:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-03 03:43:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-03 03:43:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-11-03 03:43:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-11-03 03:43:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-11-03 03:43:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-11-03 03:43:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-03 03:43:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-03 03:43:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-11-03 03:43:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-11-03 03:43:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-11-03 03:43:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-11-03 03:43:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-03 03:43:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-03 03:43:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-11-03 03:43:28,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-11-03 03:43:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-11-03 03:43:28,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-11-03 03:43:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:43:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:43:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:43:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-03 03:43:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-03 03:43:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:43:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-03 03:43:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-03 03:43:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-03 03:43:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-03 03:43:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-03 03:43:28,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-03 03:43:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-11-03 03:43:28,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-11-03 03:43:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-11-03 03:43:28,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-11-03 03:43:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-03 03:43:28,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-03 03:43:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-11-03 03:43:28,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-11-03 03:43:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-11-03 03:43:28,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-11-03 03:43:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:43:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-11-03 03:43:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-11-03 03:43:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-11-03 03:43:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-11-03 03:43:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-11-03 03:43:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-11-03 03:43:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-11-03 03:43:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-11-03 03:43:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:43:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:43:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-03 03:43:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-03 03:43:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 03:43:28,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 03:43:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-11-03 03:43:28,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-11-03 03:43:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 03:43:28,969 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 03:43:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 03:43:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 03:43:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-03 03:43:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-03 03:43:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-03 03:43:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-03 03:43:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 03:43:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 03:43:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-03 03:43:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-03 03:43:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-11-03 03:43:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-11-03 03:43:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-03 03:43:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-03 03:43:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 03:43:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 03:43:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-11-03 03:43:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-11-03 03:43:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-03 03:43:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-03 03:43:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 03:43:28,974 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 03:43:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 03:43:28,974 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 03:43:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-03 03:43:28,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-03 03:43:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-03 03:43:28,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-03 03:43:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-11-03 03:43:28,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-11-03 03:43:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 03:43:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 03:43:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-11-03 03:43:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-11-03 03:43:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-03 03:43:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-03 03:43:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2022-11-03 03:43:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2022-11-03 03:43:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-03 03:43:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-03 03:43:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:43:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:43:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-03 03:43:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-03 03:43:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-11-03 03:43:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-11-03 03:43:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-03 03:43:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-03 03:43:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-11-03 03:43:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-11-03 03:43:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-03 03:43:28,980 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-03 03:43:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:43:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-11-03 03:43:28,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-11-03 03:43:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-03 03:43:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-03 03:43:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:43:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:43:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-11-03 03:43:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-11-03 03:43:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-03 03:43:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-03 03:43:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 03:43:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 03:43:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 03:43:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 03:43:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-03 03:43:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-03 03:43:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-11-03 03:43:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-11-03 03:43:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 03:43:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 03:43:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-11-03 03:43:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-11-03 03:43:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-11-03 03:43:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-11-03 03:43:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-11-03 03:43:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-11-03 03:43:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-11-03 03:43:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-11-03 03:43:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 03:43:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 03:43:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-03 03:43:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-03 03:43:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-03 03:43:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-03 03:43:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-11-03 03:43:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-11-03 03:43:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-11-03 03:43:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-11-03 03:43:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2022-11-03 03:43:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2022-11-03 03:43:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-03 03:43:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-03 03:43:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-11-03 03:43:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-11-03 03:43:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-11-03 03:43:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-11-03 03:43:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-11-03 03:43:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-11-03 03:43:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 03:43:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 03:43:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 03:43:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 03:43:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-03 03:43:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-03 03:43:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-11-03 03:43:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-11-03 03:43:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-03 03:43:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-03 03:43:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-11-03 03:43:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-11-03 03:43:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:43:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-11-03 03:43:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-11-03 03:43:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-11-03 03:43:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-11-03 03:43:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-11-03 03:43:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-11-03 03:43:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-11-03 03:43:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-11-03 03:43:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-11-03 03:43:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-11-03 03:43:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-11-03 03:43:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-11-03 03:43:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-03 03:43:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-03 03:43:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-03 03:43:31,226 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:43:31,231 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:43:32,232 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:43:49,452 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:43:56,043 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:43:56,043 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 03:43:56,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:43:56 BoogieIcfgContainer [2022-11-03 03:43:56,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:43:56,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:43:56,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:43:56,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:43:56,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:43:16" (1/3) ... [2022-11-03 03:43:56,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c79848e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:43:56, skipping insertion in model container [2022-11-03 03:43:56,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:27" (2/3) ... [2022-11-03 03:43:56,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c79848e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:43:56, skipping insertion in model container [2022-11-03 03:43:56,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:43:56" (3/3) ... [2022-11-03 03:43:56,063 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-03 03:43:56,088 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:43:56,088 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:43:56,261 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:43:56,270 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@220e8d15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:43:56,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:43:56,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 3572 states, 2077 states have (on average 1.3071738083774675) internal successors, (2715), 2186 states have internal predecessors, (2715), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) [2022-11-03 03:43:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 03:43:56,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:56,322 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:43:56,322 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:43:56,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:56,336 INFO L85 PathProgramCache]: Analyzing trace with hash 597357711, now seen corresponding path program 1 times [2022-11-03 03:43:56,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:43:56,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901258670] [2022-11-03 03:43:56,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:56,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:43:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:58,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 03:43:58,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:58,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901258670] [2022-11-03 03:43:58,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901258670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:58,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:43:58,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:43:58,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671274368] [2022-11-03 03:43:58,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:58,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:43:58,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:43:58,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:43:58,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:43:58,193 INFO L87 Difference]: Start difference. First operand has 3572 states, 2077 states have (on average 1.3071738083774675) internal successors, (2715), 2186 states have internal predecessors, (2715), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 03:44:00,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:05,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:09,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:09,740 INFO L93 Difference]: Finished difference Result 10653 states and 15903 transitions. [2022-11-03 03:44:09,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:44:09,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-03 03:44:09,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:09,846 INFO L225 Difference]: With dead ends: 10653 [2022-11-03 03:44:09,847 INFO L226 Difference]: Without dead ends: 7050 [2022-11-03 03:44:09,902 INFO L412 NwaCegarLoop]: 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 [2022-11-03 03:44:09,908 INFO L413 NwaCegarLoop]: 5931 mSDtfsCounter, 5101 mSDsluCounter, 5178 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5101 SdHoareTripleChecker+Valid, 10639 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:09,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5101 Valid, 10639 Invalid, 966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 956 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-11-03 03:44:09,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7050 states. [2022-11-03 03:44:10,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7050 to 7050. [2022-11-03 03:44:10,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7050 states, 4119 states have (on average 1.298373391599903) internal successors, (5348), 4303 states have internal predecessors, (5348), 2444 states have call successors, (2444), 487 states have call predecessors, (2444), 486 states have return successors, (2443), 2389 states have call predecessors, (2443), 2443 states have call successors, (2443) [2022-11-03 03:44:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7050 states to 7050 states and 10235 transitions. [2022-11-03 03:44:10,782 INFO L78 Accepts]: Start accepts. Automaton has 7050 states and 10235 transitions. Word has length 32 [2022-11-03 03:44:10,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:10,783 INFO L495 AbstractCegarLoop]: Abstraction has 7050 states and 10235 transitions. [2022-11-03 03:44:10,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 03:44:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 7050 states and 10235 transitions. [2022-11-03 03:44:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-03 03:44:10,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:10,795 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:44:10,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:44:10,796 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:10,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:10,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1678324099, now seen corresponding path program 1 times [2022-11-03 03:44:10,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:10,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365491632] [2022-11-03 03:44:10,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:10,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:44:12,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:12,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365491632] [2022-11-03 03:44:12,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365491632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:12,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:12,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:44:12,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340395090] [2022-11-03 03:44:12,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:12,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:44:12,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:12,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:44:12,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:44:12,226 INFO L87 Difference]: Start difference. First operand 7050 states and 10235 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:44:14,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:17,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:26,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:26,231 INFO L93 Difference]: Finished difference Result 14095 states and 20861 transitions. [2022-11-03 03:44:26,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:44:26,232 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2022-11-03 03:44:26,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:26,372 INFO L225 Difference]: With dead ends: 14095 [2022-11-03 03:44:26,373 INFO L226 Difference]: Without dead ends: 14090 [2022-11-03 03:44:26,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:44:26,389 INFO L413 NwaCegarLoop]: 6394 mSDtfsCounter, 5132 mSDsluCounter, 12255 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5132 SdHoareTripleChecker+Valid, 17661 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:26,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5132 Valid, 17661 Invalid, 1539 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1537 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2022-11-03 03:44:26,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14090 states. [2022-11-03 03:44:27,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14090 to 14082. [2022-11-03 03:44:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14082 states, 8224 states have (on average 1.2983949416342413) internal successors, (10678), 8592 states have internal predecessors, (10678), 4885 states have call successors, (4885), 973 states have call predecessors, (4885), 972 states have return successors, (5282), 4776 states have call predecessors, (5282), 4884 states have call successors, (5282) [2022-11-03 03:44:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14082 states to 14082 states and 20845 transitions. [2022-11-03 03:44:27,567 INFO L78 Accepts]: Start accepts. Automaton has 14082 states and 20845 transitions. Word has length 40 [2022-11-03 03:44:27,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:27,568 INFO L495 AbstractCegarLoop]: Abstraction has 14082 states and 20845 transitions. [2022-11-03 03:44:27,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:44:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 14082 states and 20845 transitions. [2022-11-03 03:44:27,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-03 03:44:27,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:27,589 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:44:27,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:44:27,590 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:27,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:27,592 INFO L85 PathProgramCache]: Analyzing trace with hash 203572550, now seen corresponding path program 1 times [2022-11-03 03:44:27,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:27,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73379254] [2022-11-03 03:44:27,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:27,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-03 03:44:28,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:28,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73379254] [2022-11-03 03:44:28,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73379254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:28,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:28,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:44:28,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762313894] [2022-11-03 03:44:28,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:28,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:44:28,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:28,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:44:28,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:44:28,373 INFO L87 Difference]: Start difference. First operand 14082 states and 20845 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 03:44:30,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:38,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:38,539 INFO L93 Difference]: Finished difference Result 42048 states and 62229 transitions. [2022-11-03 03:44:38,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:44:38,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 128 [2022-11-03 03:44:38,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:38,771 INFO L225 Difference]: With dead ends: 42048 [2022-11-03 03:44:38,771 INFO L226 Difference]: Without dead ends: 27971 [2022-11-03 03:44:38,885 INFO L412 NwaCegarLoop]: 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 [2022-11-03 03:44:38,886 INFO L413 NwaCegarLoop]: 5894 mSDtfsCounter, 5063 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5063 SdHoareTripleChecker+Valid, 10563 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:38,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5063 Valid, 10563 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-11-03 03:44:38,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27971 states. [2022-11-03 03:44:41,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27971 to 27964. [2022-11-03 03:44:41,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27964 states, 16322 states have (on average 1.2984928317608135) internal successors, (21194), 17060 states have internal predecessors, (21194), 9697 states have call successors, (9697), 1945 states have call predecessors, (9697), 1944 states have return successors, (10490), 9478 states have call predecessors, (10490), 9696 states have call successors, (10490) [2022-11-03 03:44:41,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27964 states to 27964 states and 41381 transitions. [2022-11-03 03:44:41,372 INFO L78 Accepts]: Start accepts. Automaton has 27964 states and 41381 transitions. Word has length 128 [2022-11-03 03:44:41,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:41,375 INFO L495 AbstractCegarLoop]: Abstraction has 27964 states and 41381 transitions. [2022-11-03 03:44:41,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 03:44:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 27964 states and 41381 transitions. [2022-11-03 03:44:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 03:44:41,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:41,401 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:44:41,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:44:41,401 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:41,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:41,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1968432147, now seen corresponding path program 1 times [2022-11-03 03:44:41,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:41,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22227440] [2022-11-03 03:44:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:41,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:42,259 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-03 03:44:42,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:42,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22227440] [2022-11-03 03:44:42,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22227440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:42,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:42,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:44:42,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365216263] [2022-11-03 03:44:42,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:42,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:44:42,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:42,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:44:42,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:44:42,265 INFO L87 Difference]: Start difference. First operand 27964 states and 41381 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 03:44:44,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:52,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:52,886 INFO L93 Difference]: Finished difference Result 83480 states and 123505 transitions. [2022-11-03 03:44:52,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:44:52,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 129 [2022-11-03 03:44:52,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:53,459 INFO L225 Difference]: With dead ends: 83480 [2022-11-03 03:44:53,460 INFO L226 Difference]: Without dead ends: 55521 [2022-11-03 03:44:53,597 INFO L412 NwaCegarLoop]: 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 [2022-11-03 03:44:53,598 INFO L413 NwaCegarLoop]: 5933 mSDtfsCounter, 5047 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5047 SdHoareTripleChecker+Valid, 10602 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:53,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5047 Valid, 10602 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-03 03:44:53,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55521 states. [2022-11-03 03:44:57,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55521 to 55512. [2022-11-03 03:44:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55512 states, 32386 states have (on average 1.2986475637621195) internal successors, (42058), 33864 states have internal predecessors, (42058), 19237 states have call successors, (19237), 3889 states have call predecessors, (19237), 3888 states have return successors, (20820), 18798 states have call predecessors, (20820), 19236 states have call successors, (20820) [2022-11-03 03:44:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55512 states to 55512 states and 82115 transitions. [2022-11-03 03:44:57,696 INFO L78 Accepts]: Start accepts. Automaton has 55512 states and 82115 transitions. Word has length 129 [2022-11-03 03:44:57,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:57,697 INFO L495 AbstractCegarLoop]: Abstraction has 55512 states and 82115 transitions. [2022-11-03 03:44:57,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 03:44:57,697 INFO L276 IsEmpty]: Start isEmpty. Operand 55512 states and 82115 transitions. [2022-11-03 03:44:57,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-03 03:44:57,710 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:57,710 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:44:57,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:44:57,711 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:57,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:57,711 INFO L85 PathProgramCache]: Analyzing trace with hash 742942618, now seen corresponding path program 1 times [2022-11-03 03:44:57,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:57,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807904066] [2022-11-03 03:44:57,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:57,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-03 03:44:58,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:58,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807904066] [2022-11-03 03:44:58,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807904066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:58,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:58,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:44:58,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546109020] [2022-11-03 03:44:58,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:58,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:44:58,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:58,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:44:58,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:44:58,457 INFO L87 Difference]: Start difference. First operand 55512 states and 82115 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:45:00,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:05,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:14,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:14,459 INFO L93 Difference]: Finished difference Result 165568 states and 244963 transitions. [2022-11-03 03:45:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:45:14,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2022-11-03 03:45:14,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:15,511 INFO L225 Difference]: With dead ends: 165568 [2022-11-03 03:45:15,511 INFO L226 Difference]: Without dead ends: 110061 [2022-11-03 03:45:15,856 INFO L412 NwaCegarLoop]: 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 [2022-11-03 03:45:15,857 INFO L413 NwaCegarLoop]: 6629 mSDtfsCounter, 5015 mSDsluCounter, 5136 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5018 SdHoareTripleChecker+Valid, 11297 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:15,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5018 Valid, 11297 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1038 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2022-11-03 03:45:15,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110061 states. [2022-11-03 03:45:21,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110061 to 110048. [2022-11-03 03:45:21,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110048 states, 64154 states have (on average 1.2985316581974624) internal successors, (83306), 67112 states have internal predecessors, (83306), 38181 states have call successors, (38181), 7713 states have call predecessors, (38181), 7712 states have return successors, (41340), 37302 states have call predecessors, (41340), 38180 states have call successors, (41340) [2022-11-03 03:45:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110048 states to 110048 states and 162827 transitions. [2022-11-03 03:45:22,479 INFO L78 Accepts]: Start accepts. Automaton has 110048 states and 162827 transitions. Word has length 133 [2022-11-03 03:45:22,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:22,480 INFO L495 AbstractCegarLoop]: Abstraction has 110048 states and 162827 transitions. [2022-11-03 03:45:22,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:45:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 110048 states and 162827 transitions. [2022-11-03 03:45:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-03 03:45:22,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:22,493 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:45:22,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:45:22,493 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:22,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:22,494 INFO L85 PathProgramCache]: Analyzing trace with hash 655778655, now seen corresponding path program 1 times [2022-11-03 03:45:22,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:22,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78721341] [2022-11-03 03:45:22,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:22,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-03 03:45:22,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:22,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78721341] [2022-11-03 03:45:22,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78721341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:22,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:45:22,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:45:22,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085814363] [2022-11-03 03:45:22,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:22,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:45:22,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:22,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:45:22,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:45:22,965 INFO L87 Difference]: Start difference. First operand 110048 states and 162827 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 03:45:25,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:40,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:40,700 INFO L93 Difference]: Finished difference Result 328072 states and 485131 transitions. [2022-11-03 03:45:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:45:40,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 135 [2022-11-03 03:45:40,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:42,600 INFO L225 Difference]: With dead ends: 328072 [2022-11-03 03:45:42,601 INFO L226 Difference]: Without dead ends: 218029 [2022-11-03 03:45:43,122 INFO L412 NwaCegarLoop]: 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 [2022-11-03 03:45:43,123 INFO L413 NwaCegarLoop]: 6776 mSDtfsCounter, 4991 mSDsluCounter, 5129 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4994 SdHoareTripleChecker+Valid, 11435 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:43,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4994 Valid, 11435 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1072 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-11-03 03:45:43,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218029 states.