./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/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_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/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_d63e9395-86fd-4bee-8736-ade28d7e3b7a/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 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac --- 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 01:55:39,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:55:39,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:55:39,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:55:39,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:55:39,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:55:39,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:55:39,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:55:39,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:55:39,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:55:39,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:55:39,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:55:39,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:55:39,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:55:39,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:55:39,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:55:39,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:55:39,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:55:39,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:55:39,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:55:39,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:55:39,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:55:39,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:55:39,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:55:39,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:55:39,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:55:39,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:55:39,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:55:39,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:55:39,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:55:39,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:55:39,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:55:39,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:55:39,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:55:39,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:55:39,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:55:39,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:55:39,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:55:39,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:55:39,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:55:39,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:55:39,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:55:39,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:55:39,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:55:39,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:55:39,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:55:39,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:55:39,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:55:39,328 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:55:39,328 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:55:39,328 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:55:39,329 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:55:39,330 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:55:39,330 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:55:39,330 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:55:39,330 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:55:39,330 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:55:39,331 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:55:39,331 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:55:39,331 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:55:39,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:55:39,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:55:39,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:55:39,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:55:39,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:55:39,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:55:39,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:55:39,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:55:39,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:55:39,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:55:39,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:55:39,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:55:39,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:55:39,335 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:55:39,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:55:39,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:55:39,335 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:55:39,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:55:39,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:55:39,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:55:39,336 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_d63e9395-86fd-4bee-8736-ade28d7e3b7a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac [2022-11-03 01:55:39,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:55:39,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:55:39,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:55:39,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:55:39,664 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:55:39,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-03 01:55:39,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI/data/af4f2225e/94de949290f54c0b8a519e5187a64391/FLAGcaf42fb84 [2022-11-03 01:55:41,184 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:55:41,185 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-03 01:55:41,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI/data/af4f2225e/94de949290f54c0b8a519e5187a64391/FLAGcaf42fb84 [2022-11-03 01:55:41,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI/data/af4f2225e/94de949290f54c0b8a519e5187a64391 [2022-11-03 01:55:41,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:55:41,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:55:41,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:55:41,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:55:41,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:55:41,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:55:41" (1/1) ... [2022-11-03 01:55:41,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ce3a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:41, skipping insertion in model container [2022-11-03 01:55:41,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:55:41" (1/1) ... [2022-11-03 01:55:41,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:55:41,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:55:51,597 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_d63e9395-86fd-4bee-8736-ade28d7e3b7a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2022-11-03 01:55:51,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:55:51,769 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:55:52,763 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_d63e9395-86fd-4bee-8736-ade28d7e3b7a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2022-11-03 01:55:52,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:55:53,401 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:55:53,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53 WrapperNode [2022-11-03 01:55:53,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:55:53,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:55:53,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:55:53,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:55:53,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (1/1) ... [2022-11-03 01:55:53,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (1/1) ... [2022-11-03 01:55:54,148 INFO L138 Inliner]: procedures = 861, calls = 7350, calls flagged for inlining = 377, calls inlined = 281, statements flattened = 14078 [2022-11-03 01:55:54,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:55:54,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:55:54,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:55:54,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:55:54,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (1/1) ... [2022-11-03 01:55:54,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (1/1) ... [2022-11-03 01:55:54,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (1/1) ... [2022-11-03 01:55:54,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (1/1) ... [2022-11-03 01:55:54,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (1/1) ... [2022-11-03 01:55:54,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (1/1) ... [2022-11-03 01:55:54,814 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (1/1) ... [2022-11-03 01:55:54,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (1/1) ... [2022-11-03 01:55:55,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:55:55,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:55:55,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:55:55,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:55:55,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (1/1) ... [2022-11-03 01:55:55,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:55:55,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:55,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:55:55,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e9395-86fd-4bee-8736-ade28d7e3b7a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:55:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-11-03 01:55:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-11-03 01:55:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-11-03 01:55:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-11-03 01:55:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-03 01:55:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-03 01:55:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-11-03 01:55:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-11-03 01:55:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-11-03 01:55:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-11-03 01:55:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-03 01:55:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-03 01:55:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-11-03 01:55:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-11-03 01:55:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-11-03 01:55:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-11-03 01:55:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-11-03 01:55:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-11-03 01:55:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-11-03 01:55:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-11-03 01:55:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-11-03 01:55:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-11-03 01:55:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-11-03 01:55:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-11-03 01:55:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-11-03 01:55:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-11-03 01:55:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:55:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:55:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update_work [2022-11-03 01:55:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update_work [2022-11-03 01:55:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-11-03 01:55:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-11-03 01:55:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-11-03 01:55:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-11-03 01:55:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-11-03 01:55:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-11-03 01:55:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-11-03 01:55:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-11-03 01:55:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-11-03 01:55:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-11-03 01:55:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-11-03 01:55:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-11-03 01:55:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 01:55:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 01:55:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-11-03 01:55:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-11-03 01:55:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-11-03 01:55:55,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-11-03 01:55:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-11-03 01:55:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-11-03 01:55:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-11-03 01:55:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-11-03 01:55:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-11-03 01:55:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-11-03 01:55:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-03 01:55:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-03 01:55:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_led_work [2022-11-03 01:55:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_led_work [2022-11-03 01:55:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-11-03 01:55:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-11-03 01:55:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-11-03 01:55:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-11-03 01:55:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:55:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:55:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-11-03 01:55:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-11-03 01:55:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 01:55:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 01:55:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-11-03 01:55:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-11-03 01:55:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-11-03 01:55:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-11-03 01:55:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-11-03 01:55:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-11-03 01:55:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-11-03 01:55:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-11-03 01:55:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:55:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_period_work [2022-11-03 01:55:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_period_work [2022-11-03 01:55:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_8 [2022-11-03 01:55:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_8 [2022-11-03 01:55:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-03 01:55:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-03 01:55:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-03 01:55:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-03 01:55:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-11-03 01:55:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-11-03 01:55:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-11-03 01:55:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-11-03 01:55:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-11-03 01:55:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-11-03 01:55:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-11-03 01:55:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-11-03 01:55:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-11-03 01:55:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-11-03 01:55:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-11-03 01:55:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-11-03 01:55:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-11-03 01:55:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-11-03 01:55:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-03 01:55:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-03 01:55:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-11-03 01:55:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-11-03 01:55:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 01:55:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 01:55:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-03 01:55:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-03 01:55:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:55:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_duty_cycle_work [2022-11-03 01:55:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_duty_cycle_work [2022-11-03 01:55:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_8 [2022-11-03 01:55:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_8 [2022-11-03 01:55:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:55:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-03 01:55:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-03 01:55:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:55:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:55:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-03 01:55:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-03 01:55:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-11-03 01:55:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-11-03 01:55:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-03 01:55:55,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-03 01:55:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-11-03 01:55:55,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-11-03 01:55:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 01:55:55,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 01:55:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-03 01:55:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-03 01:55:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-03 01:55:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-03 01:55:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:55:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:55:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-11-03 01:55:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-11-03 01:55:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-11-03 01:55:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-11-03 01:55:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-11-03 01:55:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-11-03 01:55:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:55:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:55:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:55:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:55:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-11-03 01:55:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-11-03 01:55:55,247 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-11-03 01:55:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-11-03 01:55:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-11-03 01:55:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-11-03 01:55:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-11-03 01:55:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-11-03 01:55:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:55:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-11-03 01:55:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-11-03 01:55:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-03 01:55:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-03 01:55:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-11-03 01:55:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-11-03 01:55:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-03 01:55:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-03 01:55:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-11-03 01:55:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-11-03 01:55:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-11-03 01:55:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-11-03 01:55:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-11-03 01:55:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-11-03 01:55:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-03 01:55:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-03 01:55:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:55:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:55:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-03 01:55:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-03 01:55:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:55:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:55:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-03 01:55:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-03 01:55:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-03 01:55:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-03 01:55:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-11-03 01:55:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-11-03 01:55:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:55:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:55:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-03 01:55:55,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-03 01:55:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-03 01:55:55,262 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-03 01:55:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-11-03 01:55:55,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-11-03 01:55:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-11-03 01:55:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-11-03 01:55:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_8 [2022-11-03 01:55:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_8 [2022-11-03 01:55:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-11-03 01:55:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-11-03 01:55:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:55:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:55:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:55:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-03 01:55:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-03 01:55:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:55:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 01:55:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 01:55:55,265 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-03 01:55:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-03 01:55:55,265 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-11-03 01:55:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-11-03 01:55:55,265 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_7 [2022-11-03 01:55:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_7 [2022-11-03 01:55:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-11-03 01:55:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-11-03 01:55:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 01:55:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 01:55:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-03 01:55:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-03 01:55:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-03 01:55:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-03 01:55:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-11-03 01:55:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-11-03 01:55:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-03 01:55:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-03 01:55:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:55:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:55:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-11-03 01:55:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-11-03 01:55:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 01:55:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 01:55:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 01:55:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 01:55:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_8 [2022-11-03 01:55:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_8 [2022-11-03 01:55:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_wakeup [2022-11-03 01:55:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_wakeup [2022-11-03 01:55:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:55:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:55:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-11-03 01:55:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-11-03 01:55:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-11-03 01:55:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-11-03 01:55:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-03 01:55:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-03 01:55:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-03 01:55:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-03 01:55:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:55:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-11-03 01:55:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-11-03 01:55:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-03 01:55:55,285 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-03 01:55:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:55:55,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:55:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-11-03 01:55:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-11-03 01:55:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-11-03 01:55:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-11-03 01:55:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-11-03 01:55:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-11-03 01:55:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-11-03 01:55:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-11-03 01:55:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-11-03 01:55:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-11-03 01:55:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 01:55:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 01:55:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-03 01:55:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-03 01:55:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ani_work [2022-11-03 01:55:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ani_work [2022-11-03 01:55:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-11-03 01:55:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-11-03 01:55:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-11-03 01:55:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-11-03 01:55:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-11-03 01:55:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-11-03 01:55:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-11-03 01:55:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-11-03 01:55:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-11-03 01:55:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-11-03 01:55:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-11-03 01:55:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-11-03 01:55:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-03 01:55:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-03 01:55:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-11-03 01:55:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-11-03 01:55:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:55:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:55:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-03 01:55:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-03 01:55:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-11-03 01:55:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-11-03 01:55:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 01:55:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 01:55:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 01:55:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 01:55:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-11-03 01:55:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-11-03 01:55:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:55:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:55:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-11-03 01:55:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-11-03 01:55:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-11-03 01:55:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-11-03 01:55:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-11-03 01:55:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-11-03 01:55:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2022-11-03 01:55:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2022-11-03 01:55:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-11-03 01:55:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-11-03 01:55:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-11-03 01:55:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-11-03 01:55:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-11-03 01:55:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-11-03 01:55:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-11-03 01:55:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-11-03 01:55:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-11-03 01:55:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-11-03 01:55:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:55:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:55:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-11-03 01:55:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-11-03 01:55:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-11-03 01:55:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-11-03 01:55:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-11-03 01:55:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-11-03 01:55:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-03 01:55:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-03 01:55:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-11-03 01:55:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-11-03 01:55:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:55:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-11-03 01:55:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-11-03 01:55:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_ps_work [2022-11-03 01:55:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_ps_work [2022-11-03 01:55:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-03 01:55:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-03 01:55:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 01:55:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 01:55:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-03 01:55:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-03 01:55:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-11-03 01:55:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-11-03 01:55:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:55:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-11-03 01:55:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-11-03 01:55:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:55:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:55:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:55:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-11-03 01:55:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-11-03 01:55:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:55:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:55:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-03 01:55:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-03 01:55:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-03 01:55:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-03 01:55:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-03 01:55:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-03 01:55:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:55:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:55:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-03 01:55:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-03 01:55:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 01:55:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 01:55:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-11-03 01:55:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-11-03 01:55:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-11-03 01:55:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-11-03 01:55:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 01:55:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 01:55:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-11-03 01:55:55,320 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-11-03 01:55:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-11-03 01:55:55,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-11-03 01:55:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-03 01:55:55,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-03 01:55:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-11-03 01:55:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-11-03 01:55:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-11-03 01:55:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-11-03 01:55:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:55:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:55:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-03 01:55:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-03 01:55:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-11-03 01:55:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-11-03 01:55:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-11-03 01:55:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-11-03 01:55:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:55:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:55:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-03 01:55:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-03 01:55:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-11-03 01:55:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-11-03 01:55:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-11-03 01:55:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-11-03 01:55:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:55:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:55:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 01:55:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 01:55:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-11-03 01:55:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-11-03 01:55:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-03 01:55:55,328 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-03 01:55:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-03 01:55:55,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-03 01:55:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 01:55:55,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 01:55:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 01:55:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 01:55:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-11-03 01:55:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-11-03 01:55:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-03 01:55:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-03 01:55:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-11-03 01:55:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-11-03 01:55:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:55:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:55:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:55:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 01:55:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 01:55:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-11-03 01:55:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-11-03 01:55:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-11-03 01:55:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-11-03 01:55:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-11-03 01:55:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-11-03 01:55:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-03 01:55:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-03 01:55:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:55:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:55:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-11-03 01:55:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-11-03 01:55:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:55:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:55:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-03 01:55:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-03 01:55:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-11-03 01:55:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-11-03 01:55:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-11-03 01:55:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-11-03 01:55:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-11-03 01:55:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-11-03 01:55:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-03 01:55:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-03 01:55:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-11-03 01:55:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-11-03 01:55:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-03 01:55:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-03 01:55:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-11-03 01:55:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-11-03 01:55:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:55:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-11-03 01:55:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-11-03 01:55:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-11-03 01:55:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-11-03 01:55:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-11-03 01:55:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-11-03 01:55:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 01:55:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 01:55:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-11-03 01:55:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-11-03 01:55:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 01:55:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 01:55:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 01:55:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 01:55:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-03 01:55:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-03 01:55:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-03 01:55:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-03 01:55:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-11-03 01:55:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-11-03 01:55:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-03 01:55:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-03 01:55:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_restore [2022-11-03 01:55:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_restore [2022-11-03 01:55:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-03 01:55:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-03 01:55:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-11-03 01:55:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-11-03 01:55:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-03 01:55:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-03 01:55:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:55:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:55:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-03 01:55:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-03 01:55:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-11-03 01:55:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-11-03 01:55:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-11-03 01:55:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-11-03 01:55:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 01:55:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 01:55:55,343 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-03 01:55:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-03 01:55:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:55:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:55:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 01:55:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 01:55:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-03 01:55:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-03 01:55:55,344 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 01:55:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 01:55:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-03 01:55:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-03 01:55:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-11-03 01:55:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-11-03 01:55:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-03 01:55:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-03 01:55:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-11-03 01:55:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-11-03 01:55:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 01:55:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 01:55:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:55:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:55:55,346 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-03 01:55:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-03 01:55:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-03 01:55:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-03 01:55:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-11-03 01:55:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-11-03 01:55:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:55:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-11-03 01:55:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-11-03 01:55:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-11-03 01:55:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-11-03 01:55:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-11-03 01:55:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-11-03 01:55:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_channel_switch_beacon [2022-11-03 01:55:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_channel_switch_beacon [2022-11-03 01:55:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-11-03 01:55:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-11-03 01:55:57,303 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:55:57,308 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:55:58,178 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:56:15,992 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:56:21,350 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:56:21,350 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:56:21,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:56:21 BoogieIcfgContainer [2022-11-03 01:56:21,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:56:21,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:56:21,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:56:21,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:56:21,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:55:41" (1/3) ... [2022-11-03 01:56:21,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519e45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:56:21, skipping insertion in model container [2022-11-03 01:56:21,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:55:53" (2/3) ... [2022-11-03 01:56:21,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519e45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:56:21, skipping insertion in model container [2022-11-03 01:56:21,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:56:21" (3/3) ... [2022-11-03 01:56:21,374 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-03 01:56:21,392 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:56:21,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:56:21,511 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:56:21,518 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;@4b62e3a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:56:21,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:56:21,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 3778 states, 2174 states have (on average 1.3049678012879484) internal successors, (2837), 2302 states have internal predecessors, (2837), 1348 states have call successors, (1348), 255 states have call predecessors, (1348), 254 states have return successors, (1329), 1292 states have call predecessors, (1329), 1329 states have call successors, (1329) [2022-11-03 01:56:21,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-03 01:56:21,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:21,555 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:21,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:56:21,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:21,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1990093139, now seen corresponding path program 1 times [2022-11-03 01:56:21,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:21,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714810627] [2022-11-03 01:56:21,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:21,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:23,131 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 01:56:23,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:23,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714810627] [2022-11-03 01:56:23,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714810627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:23,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:23,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:56:23,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817524764] [2022-11-03 01:56:23,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:23,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:56:23,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:23,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:56:23,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:56:23,188 INFO L87 Difference]: Start difference. First operand has 3778 states, 2174 states have (on average 1.3049678012879484) internal successors, (2837), 2302 states have internal predecessors, (2837), 1348 states have call successors, (1348), 255 states have call predecessors, (1348), 254 states have return successors, (1329), 1292 states have call predecessors, (1329), 1329 states have call successors, (1329) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 01:56:25,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:32,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:32,752 INFO L93 Difference]: Finished difference Result 11261 states and 16795 transitions. [2022-11-03 01:56:32,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:56:32,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2022-11-03 01:56:32,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:32,825 INFO L225 Difference]: With dead ends: 11261 [2022-11-03 01:56:32,826 INFO L226 Difference]: Without dead ends: 7445 [2022-11-03 01:56:32,861 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 01:56:32,864 INFO L413 NwaCegarLoop]: 6464 mSDtfsCounter, 5412 mSDsluCounter, 5496 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5412 SdHoareTripleChecker+Valid, 11457 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:32,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5412 Valid, 11457 Invalid, 1050 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1048 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-11-03 01:56:32,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7445 states. [2022-11-03 01:56:33,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7445 to 7441. [2022-11-03 01:56:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7441 states, 4300 states have (on average 1.2948837209302326) internal successors, (5568), 4515 states have internal predecessors, (5568), 2637 states have call successors, (2637), 504 states have call predecessors, (2637), 503 states have return successors, (2636), 2561 states have call predecessors, (2636), 2636 states have call successors, (2636) [2022-11-03 01:56:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7441 states to 7441 states and 10841 transitions. [2022-11-03 01:56:33,647 INFO L78 Accepts]: Start accepts. Automaton has 7441 states and 10841 transitions. Word has length 70 [2022-11-03 01:56:33,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:33,649 INFO L495 AbstractCegarLoop]: Abstraction has 7441 states and 10841 transitions. [2022-11-03 01:56:33,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 01:56:33,649 INFO L276 IsEmpty]: Start isEmpty. Operand 7441 states and 10841 transitions. [2022-11-03 01:56:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-03 01:56:33,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:33,662 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:33,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:56:33,666 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:56:33,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:33,668 INFO L85 PathProgramCache]: Analyzing trace with hash 76649173, now seen corresponding path program 1 times [2022-11-03 01:56:33,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:33,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384121139] [2022-11-03 01:56:33,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:33,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:34,493 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-03 01:56:34,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:34,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384121139] [2022-11-03 01:56:34,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384121139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:34,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:34,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:56:34,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427204688] [2022-11-03 01:56:34,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:34,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:56:34,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:34,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:56:34,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:56:34,498 INFO L87 Difference]: Start difference. First operand 7441 states and 10841 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 01:56:36,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:40,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:46,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:46,522 INFO L93 Difference]: Finished difference Result 21536 states and 31325 transitions. [2022-11-03 01:56:46,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:56:46,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2022-11-03 01:56:46,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:46,618 INFO L225 Difference]: With dead ends: 21536 [2022-11-03 01:56:46,619 INFO L226 Difference]: Without dead ends: 14102 [2022-11-03 01:56:46,663 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 01:56:46,665 INFO L413 NwaCegarLoop]: 7424 mSDtfsCounter, 4843 mSDsluCounter, 5445 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4843 SdHoareTripleChecker+Valid, 12370 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:46,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4843 Valid, 12370 Invalid, 1251 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1249 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2022-11-03 01:56:46,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14102 states. [2022-11-03 01:56:47,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14102 to 14099. [2022-11-03 01:56:47,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14099 states, 8141 states have (on average 1.2938213978626705) internal successors, (10533), 8552 states have internal predecessors, (10533), 4979 states have call successors, (4979), 979 states have call predecessors, (4979), 978 states have return successors, (4978), 4829 states have call predecessors, (4978), 4978 states have call successors, (4978) [2022-11-03 01:56:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14099 states to 14099 states and 20490 transitions. [2022-11-03 01:56:47,738 INFO L78 Accepts]: Start accepts. Automaton has 14099 states and 20490 transitions. Word has length 86 [2022-11-03 01:56:47,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:47,739 INFO L495 AbstractCegarLoop]: Abstraction has 14099 states and 20490 transitions. [2022-11-03 01:56:47,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 01:56:47,740 INFO L276 IsEmpty]: Start isEmpty. Operand 14099 states and 20490 transitions. [2022-11-03 01:56:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-03 01:56:47,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:47,748 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:47,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:56:47,749 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:56:47,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:47,750 INFO L85 PathProgramCache]: Analyzing trace with hash 842967643, now seen corresponding path program 1 times [2022-11-03 01:56:47,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:47,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283517860] [2022-11-03 01:56:47,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:47,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-03 01:56:48,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:48,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283517860] [2022-11-03 01:56:48,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283517860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:48,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:48,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:56:48,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249327910] [2022-11-03 01:56:48,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:48,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:56:48,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:48,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:56:48,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:56:48,858 INFO L87 Difference]: Start difference. First operand 14099 states and 20490 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 01:56:52,995 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 01:57:00,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:57:00,178 INFO L93 Difference]: Finished difference Result 42138 states and 61236 transitions. [2022-11-03 01:57:00,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:57:00,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2022-11-03 01:57:00,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:57:00,335 INFO L225 Difference]: With dead ends: 42138 [2022-11-03 01:57:00,335 INFO L226 Difference]: Without dead ends: 28046 [2022-11-03 01:57:00,403 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 01:57:00,404 INFO L413 NwaCegarLoop]: 6463 mSDtfsCounter, 5376 mSDsluCounter, 5444 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5379 SdHoareTripleChecker+Valid, 11408 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:57:00,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5379 Valid, 11408 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1045 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-11-03 01:57:00,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28046 states. [2022-11-03 01:57:01,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28046 to 28041. [2022-11-03 01:57:01,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28041 states, 16179 states have (on average 1.293466839730515) internal successors, (20927), 17002 states have internal predecessors, (20927), 9905 states have call successors, (9905), 1957 states have call predecessors, (9905), 1956 states have return successors, (9916), 9605 states have call predecessors, (9916), 9904 states have call successors, (9916) [2022-11-03 01:57:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28041 states to 28041 states and 40748 transitions. [2022-11-03 01:57:02,093 INFO L78 Accepts]: Start accepts. Automaton has 28041 states and 40748 transitions. Word has length 111 [2022-11-03 01:57:02,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:57:02,094 INFO L495 AbstractCegarLoop]: Abstraction has 28041 states and 40748 transitions. [2022-11-03 01:57:02,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 01:57:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 28041 states and 40748 transitions. [2022-11-03 01:57:02,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-03 01:57:02,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:57:02,105 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:57:02,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:57:02,105 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:57:02,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:57:02,106 INFO L85 PathProgramCache]: Analyzing trace with hash -891360021, now seen corresponding path program 1 times [2022-11-03 01:57:02,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:57:02,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294838079] [2022-11-03 01:57:02,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:57:02,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:57:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:57:02,933 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-11-03 01:57:02,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:57:02,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294838079] [2022-11-03 01:57:02,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294838079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:57:02,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:57:02,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:57:02,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464174629] [2022-11-03 01:57:02,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:57:02,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:57:02,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:57:02,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:57:02,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:57:02,936 INFO L87 Difference]: Start difference. First operand 28041 states and 40748 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 01:57:04,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:13,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:57:13,150 INFO L93 Difference]: Finished difference Result 83793 states and 121722 transitions. [2022-11-03 01:57:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:57:13,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2022-11-03 01:57:13,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:57:13,672 INFO L225 Difference]: With dead ends: 83793 [2022-11-03 01:57:13,672 INFO L226 Difference]: Without dead ends: 55759 [2022-11-03 01:57:13,794 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 01:57:13,798 INFO L413 NwaCegarLoop]: 6515 mSDtfsCounter, 5393 mSDsluCounter, 5437 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5393 SdHoareTripleChecker+Valid, 11450 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:57:13,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5393 Valid, 11450 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-11-03 01:57:13,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55759 states. [2022-11-03 01:57:16,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55759 to 55755. [2022-11-03 01:57:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55755 states, 32142 states have (on average 1.292701138697032) internal successors, (41550), 33789 states have internal predecessors, (41550), 19700 states have call successors, (19700), 3913 states have call predecessors, (19700), 3912 states have return successors, (19723), 19100 states have call predecessors, (19723), 19699 states have call successors, (19723) [2022-11-03 01:57:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55755 states to 55755 states and 80973 transitions. [2022-11-03 01:57:17,327 INFO L78 Accepts]: Start accepts. Automaton has 55755 states and 80973 transitions. Word has length 128 [2022-11-03 01:57:17,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:57:17,328 INFO L495 AbstractCegarLoop]: Abstraction has 55755 states and 80973 transitions. [2022-11-03 01:57:17,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 01:57:17,329 INFO L276 IsEmpty]: Start isEmpty. Operand 55755 states and 80973 transitions. [2022-11-03 01:57:17,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-03 01:57:17,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:57:17,334 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:57:17,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:57:17,334 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:57:17,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:57:17,335 INFO L85 PathProgramCache]: Analyzing trace with hash 132045200, now seen corresponding path program 1 times [2022-11-03 01:57:17,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:57:17,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932493039] [2022-11-03 01:57:17,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:57:17,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:57:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:57:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-03 01:57:18,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:57:18,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932493039] [2022-11-03 01:57:18,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932493039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:57:18,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:57:18,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:57:18,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235030703] [2022-11-03 01:57:18,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:57:18,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:57:18,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:57:18,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:57:18,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:57:18,206 INFO L87 Difference]: Start difference. First operand 55755 states and 80973 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 01:57:20,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:28,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:57:28,188 INFO L93 Difference]: Finished difference Result 111504 states and 161937 transitions. [2022-11-03 01:57:28,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:57:28,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 113 [2022-11-03 01:57:28,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:57:28,472 INFO L225 Difference]: With dead ends: 111504 [2022-11-03 01:57:28,472 INFO L226 Difference]: Without dead ends: 55748 [2022-11-03 01:57:28,896 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 01:57:28,896 INFO L413 NwaCegarLoop]: 4962 mSDtfsCounter, 0 mSDsluCounter, 5463 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9921 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:57:28,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9921 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1012 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-03 01:57:28,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55748 states. [2022-11-03 01:57:31,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55748 to 55748. [2022-11-03 01:57:31,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55748 states, 32135 states have (on average 1.2925159483429283) internal successors, (41535), 33782 states have internal predecessors, (41535), 19700 states have call successors, (19700), 3913 states have call predecessors, (19700), 3912 states have return successors, (19723), 19100 states have call predecessors, (19723), 19699 states have call successors, (19723) [2022-11-03 01:57:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55748 states to 55748 states and 80958 transitions. [2022-11-03 01:57:31,528 INFO L78 Accepts]: Start accepts. Automaton has 55748 states and 80958 transitions. Word has length 113 [2022-11-03 01:57:31,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:57:31,531 INFO L495 AbstractCegarLoop]: Abstraction has 55748 states and 80958 transitions. [2022-11-03 01:57:31,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 01:57:31,532 INFO L276 IsEmpty]: Start isEmpty. Operand 55748 states and 80958 transitions. [2022-11-03 01:57:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-03 01:57:31,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:57:31,541 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:57:31,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:57:31,542 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:57:31,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:57:31,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1958722609, now seen corresponding path program 1 times [2022-11-03 01:57:31,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:57:31,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285797320] [2022-11-03 01:57:31,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:57:31,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:57:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:57:32,662 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-03 01:57:32,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:57:32,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285797320] [2022-11-03 01:57:32,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285797320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:57:32,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:57:32,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:57:32,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735407204] [2022-11-03 01:57:32,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:57:32,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:57:32,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:57:32,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:57:32,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:57:32,666 INFO L87 Difference]: Start difference. First operand 55748 states and 80958 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:57:44,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:57:44,603 INFO L93 Difference]: Finished difference Result 166228 states and 241316 transitions. [2022-11-03 01:57:44,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:57:44,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2022-11-03 01:57:44,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:57:45,237 INFO L225 Difference]: With dead ends: 166228 [2022-11-03 01:57:45,238 INFO L226 Difference]: Without dead ends: 110487 [2022-11-03 01:57:45,722 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 01:57:45,723 INFO L413 NwaCegarLoop]: 6901 mSDtfsCounter, 5321 mSDsluCounter, 5444 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5321 SdHoareTripleChecker+Valid, 11844 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:57:45,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5321 Valid, 11844 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-03 01:57:45,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110487 states. [2022-11-03 01:57:50,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110487 to 110468. [2022-11-03 01:57:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110468 states, 63655 states have (on average 1.2930798837483308) internal successors, (82311), 66950 states have internal predecessors, (82311), 38988 states have call successors, (38988), 7825 states have call predecessors, (38988), 7824 states have return successors, (39035), 37788 states have call predecessors, (39035), 38987 states have call successors, (39035) [2022-11-03 01:57:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110468 states to 110468 states and 160334 transitions. [2022-11-03 01:57:51,795 INFO L78 Accepts]: Start accepts. Automaton has 110468 states and 160334 transitions. Word has length 131 [2022-11-03 01:57:51,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:57:51,795 INFO L495 AbstractCegarLoop]: Abstraction has 110468 states and 160334 transitions. [2022-11-03 01:57:51,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:57:51,796 INFO L276 IsEmpty]: Start isEmpty. Operand 110468 states and 160334 transitions. [2022-11-03 01:57:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 01:57:51,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:57:51,808 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:57:51,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:57:51,808 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:57:51,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:57:51,809 INFO L85 PathProgramCache]: Analyzing trace with hash -606194996, now seen corresponding path program 1 times [2022-11-03 01:57:51,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:57:51,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164879842] [2022-11-03 01:57:51,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:57:51,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:57:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:57:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-03 01:57:53,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:57:53,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164879842] [2022-11-03 01:57:53,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164879842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:57:53,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:57:53,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:57:53,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264231008] [2022-11-03 01:57:53,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:57:53,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:57:53,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:57:53,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:57:53,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:57:53,027 INFO L87 Difference]: Start difference. First operand 110468 states and 160334 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:57:54,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []