./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.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_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-8393723 [2022-11-18 20:04:57,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:04:57,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:04:57,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:04:57,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:04:57,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:04:57,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:04:57,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:04:57,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:04:57,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:04:57,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:04:57,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:04:57,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:04:57,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:04:57,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:04:57,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:04:57,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:04:57,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:04:57,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:04:57,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:04:57,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:04:57,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:04:57,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:04:57,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:04:57,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:04:57,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:04:57,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:04:57,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:04:57,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:04:57,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:04:57,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:04:57,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:04:57,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:04:57,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:04:57,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:04:57,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:04:57,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:04:57,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:04:57,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:04:57,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:04:57,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:04:57,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:04:58,033 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:04:58,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:04:58,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:04:58,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:04:58,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:04:58,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:04:58,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:04:58,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:04:58,038 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:04:58,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:04:58,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:04:58,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:04:58,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:04:58,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:04:58,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:04:58,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:04:58,041 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:04:58,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:04:58,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:04:58,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:04:58,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:04:58,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:04:58,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:04:58,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:04:58,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:04:58,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:04:58,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:04:58,045 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:04:58,045 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:04:58,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:04:58,046 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_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac [2022-11-18 20:04:58,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:04:58,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:04:58,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:04:58,406 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:04:58,407 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:04:58,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/../../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 [2022-11-18 20:04:58,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/data/68e3202fd/ca503d25c94546419da913092478ee53/FLAGfaaea853d [2022-11-18 20:04:59,940 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:04:59,940 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/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 [2022-11-18 20:05:00,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/data/68e3202fd/ca503d25c94546419da913092478ee53/FLAGfaaea853d [2022-11-18 20:05:00,397 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/data/68e3202fd/ca503d25c94546419da913092478ee53 [2022-11-18 20:05:00,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:05:00,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:05:00,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:05:00,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:05:00,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:05:00,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:05:00" (1/1) ... [2022-11-18 20:05:00,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520e83de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:00, skipping insertion in model container [2022-11-18 20:05:00,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:05:00" (1/1) ... [2022-11-18 20:05:00,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:05:00,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:05:12,062 WARN L234 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_e4e3195d-9264-4bfd-a63e-bdb69865de0c/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] [2022-11-18 20:05:12,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:05:12,400 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:05:13,489 WARN L234 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_e4e3195d-9264-4bfd-a63e-bdb69865de0c/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] [2022-11-18 20:05:13,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:05:14,149 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:05:14,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14 WrapperNode [2022-11-18 20:05:14,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:05:14,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:05:14,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:05:14,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:05:14,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:14,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:15,024 INFO L138 Inliner]: procedures = 861, calls = 7366, calls flagged for inlining = 377, calls inlined = 281, statements flattened = 14206 [2022-11-18 20:05:15,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:05:15,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:05:15,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:05:15,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:05:15,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:15,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:15,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:15,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:15,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:15,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:15,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:15,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:16,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:05:16,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:05:16,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:05:16,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:05:16,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (1/1) ... [2022-11-18 20:05:16,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:05:16,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:05:16,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:05:16,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e3195d-9264-4bfd-a63e-bdb69865de0c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:05:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-11-18 20:05:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-11-18 20:05:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-11-18 20:05:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-11-18 20:05:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-18 20:05:16,316 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-18 20:05:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-11-18 20:05:16,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-11-18 20:05:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-11-18 20:05:16,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-11-18 20:05:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-18 20:05:16,317 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-18 20:05:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-11-18 20:05:16,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-11-18 20:05:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-11-18 20:05:16,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-11-18 20:05:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-11-18 20:05:16,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-11-18 20:05:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-11-18 20:05:16,319 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-11-18 20:05:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-11-18 20:05:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-11-18 20:05:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-11-18 20:05:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-11-18 20:05:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-11-18 20:05:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-11-18 20:05:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 20:05:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 20:05:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update_work [2022-11-18 20:05:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update_work [2022-11-18 20:05:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-11-18 20:05:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-11-18 20:05:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-11-18 20:05:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-11-18 20:05:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-11-18 20:05:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-11-18 20:05:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-11-18 20:05:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-11-18 20:05:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-11-18 20:05:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-11-18 20:05:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-11-18 20:05:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-11-18 20:05:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:05:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:05:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-11-18 20:05:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-11-18 20:05:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-11-18 20:05:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-11-18 20:05:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-11-18 20:05:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-11-18 20:05:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-11-18 20:05:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-11-18 20:05:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-11-18 20:05:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-11-18 20:05:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-18 20:05:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-18 20:05:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_led_work [2022-11-18 20:05:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_led_work [2022-11-18 20:05:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-11-18 20:05:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-11-18 20:05:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-11-18 20:05:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-11-18 20:05:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:05:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:05:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-11-18 20:05:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-11-18 20:05:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 20:05:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 20:05:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-11-18 20:05:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-11-18 20:05:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-11-18 20:05:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-11-18 20:05:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-11-18 20:05:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-11-18 20:05:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-11-18 20:05:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-11-18 20:05:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:05:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_period_work [2022-11-18 20:05:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_period_work [2022-11-18 20:05:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_8 [2022-11-18 20:05:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_8 [2022-11-18 20:05:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-18 20:05:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-18 20:05:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-18 20:05:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-18 20:05:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-11-18 20:05:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-11-18 20:05:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-11-18 20:05:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-11-18 20:05:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-11-18 20:05:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-11-18 20:05:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-11-18 20:05:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-11-18 20:05:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-11-18 20:05:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-11-18 20:05:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-11-18 20:05:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-11-18 20:05:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-11-18 20:05:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-11-18 20:05:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-18 20:05:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-18 20:05:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-11-18 20:05:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-11-18 20:05:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 20:05:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 20:05:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-18 20:05:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-18 20:05:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:05:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure ath_btcoex_duty_cycle_work [2022-11-18 20:05:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_btcoex_duty_cycle_work [2022-11-18 20:05:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_8 [2022-11-18 20:05:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_8 [2022-11-18 20:05:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:05:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-18 20:05:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-18 20:05:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:05:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:05:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-18 20:05:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-18 20:05:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-11-18 20:05:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-11-18 20:05:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-18 20:05:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-18 20:05:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-11-18 20:05:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-11-18 20:05:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 20:05:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 20:05:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-18 20:05:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-18 20:05:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-18 20:05:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-18 20:05:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:05:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:05:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-11-18 20:05:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-11-18 20:05:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-11-18 20:05:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-11-18 20:05:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-11-18 20:05:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-11-18 20:05:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 20:05:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 20:05:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:05:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:05:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-11-18 20:05:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-11-18 20:05:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-11-18 20:05:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-11-18 20:05:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-11-18 20:05:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-11-18 20:05:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-11-18 20:05:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-11-18 20:05:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:05:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-11-18 20:05:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-11-18 20:05:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-18 20:05:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-18 20:05:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-11-18 20:05:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-11-18 20:05:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-18 20:05:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-18 20:05:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-11-18 20:05:16,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-11-18 20:05:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-11-18 20:05:16,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-11-18 20:05:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-11-18 20:05:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-11-18 20:05:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-18 20:05:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-18 20:05:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:05:16,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:05:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-18 20:05:16,356 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-18 20:05:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:05:16,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:05:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-18 20:05:16,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-18 20:05:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-18 20:05:16,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-18 20:05:16,358 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-11-18 20:05:16,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-11-18 20:05:16,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:05:16,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:05:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-18 20:05:16,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-18 20:05:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-18 20:05:16,359 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-18 20:05:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-11-18 20:05:16,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-11-18 20:05:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-11-18 20:05:16,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-11-18 20:05:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_8 [2022-11-18 20:05:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_8 [2022-11-18 20:05:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-11-18 20:05:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-11-18 20:05:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:05:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:05:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:05:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-18 20:05:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-18 20:05:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:05:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-18 20:05:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-18 20:05:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-18 20:05:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-18 20:05:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-11-18 20:05:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-11-18 20:05:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_7 [2022-11-18 20:05:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_7 [2022-11-18 20:05:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-11-18 20:05:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-11-18 20:05:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:05:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:05:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-18 20:05:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-18 20:05:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-18 20:05:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-18 20:05:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-11-18 20:05:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-11-18 20:05:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 20:05:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 20:05:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 20:05:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 20:05:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-11-18 20:05:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-11-18 20:05:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-18 20:05:16,368 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-18 20:05:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 20:05:16,368 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 20:05:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_8 [2022-11-18 20:05:16,369 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_8 [2022-11-18 20:05:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_wakeup [2022-11-18 20:05:16,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_wakeup [2022-11-18 20:05:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 20:05:16,370 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 20:05:16,370 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-11-18 20:05:16,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-11-18 20:05:16,370 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-11-18 20:05:16,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-11-18 20:05:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-18 20:05:16,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-18 20:05:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-18 20:05:16,371 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-18 20:05:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:05:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-11-18 20:05:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-11-18 20:05:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-18 20:05:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-18 20:05:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:05:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:05:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-11-18 20:05:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-11-18 20:05:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-11-18 20:05:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-11-18 20:05:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-11-18 20:05:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-11-18 20:05:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-11-18 20:05:16,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-11-18 20:05:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-11-18 20:05:16,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-11-18 20:05:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 20:05:16,376 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 20:05:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-18 20:05:16,376 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-18 20:05:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ani_work [2022-11-18 20:05:16,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ani_work [2022-11-18 20:05:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-11-18 20:05:16,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-11-18 20:05:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-11-18 20:05:16,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-11-18 20:05:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-11-18 20:05:16,378 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-11-18 20:05:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-11-18 20:05:16,378 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-11-18 20:05:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-11-18 20:05:16,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-11-18 20:05:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-11-18 20:05:16,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-11-18 20:05:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-18 20:05:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-18 20:05:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-11-18 20:05:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-11-18 20:05:16,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:05:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:05:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-18 20:05:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-18 20:05:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-11-18 20:05:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-11-18 20:05:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-18 20:05:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-18 20:05:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-18 20:05:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-18 20:05:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-11-18 20:05:16,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-11-18 20:05:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:05:16,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:05:16,384 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-11-18 20:05:16,384 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-11-18 20:05:16,384 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-11-18 20:05:16,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-11-18 20:05:16,384 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-11-18 20:05:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-11-18 20:05:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2022-11-18 20:05:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2022-11-18 20:05:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-11-18 20:05:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-11-18 20:05:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-11-18 20:05:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-11-18 20:05:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-11-18 20:05:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-11-18 20:05:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-11-18 20:05:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-11-18 20:05:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-11-18 20:05:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-11-18 20:05:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:05:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:05:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-11-18 20:05:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-11-18 20:05:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-11-18 20:05:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-11-18 20:05:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-11-18 20:05:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-11-18 20:05:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-18 20:05:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-18 20:05:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-11-18 20:05:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-11-18 20:05:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:05:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-11-18 20:05:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-11-18 20:05:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_ps_work [2022-11-18 20:05:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_ps_work [2022-11-18 20:05:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-18 20:05:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-18 20:05:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 20:05:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 20:05:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-18 20:05:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-18 20:05:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-11-18 20:05:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-11-18 20:05:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:05:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-11-18 20:05:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-11-18 20:05:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 20:05:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 20:05:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:05:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-11-18 20:05:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-11-18 20:05:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:05:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:05:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-18 20:05:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-18 20:05:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-18 20:05:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-18 20:05:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 20:05:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 20:05:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 20:05:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 20:05:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-18 20:05:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-18 20:05:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 20:05:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 20:05:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-11-18 20:05:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-11-18 20:05:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-11-18 20:05:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-11-18 20:05:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-18 20:05:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-18 20:05:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-11-18 20:05:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-11-18 20:05:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-11-18 20:05:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-11-18 20:05:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-18 20:05:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-18 20:05:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-11-18 20:05:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-11-18 20:05:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-11-18 20:05:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-11-18 20:05:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:05:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:05:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-18 20:05:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-18 20:05:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-11-18 20:05:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-11-18 20:05:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-11-18 20:05:16,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-11-18 20:05:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 20:05:16,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 20:05:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-18 20:05:16,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-18 20:05:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-11-18 20:05:16,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-11-18 20:05:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-11-18 20:05:16,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-11-18 20:05:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-18 20:05:16,405 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-18 20:05:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 20:05:16,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 20:05:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-11-18 20:05:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-11-18 20:05:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-18 20:05:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-18 20:05:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-18 20:05:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-18 20:05:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 20:05:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 20:05:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 20:05:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 20:05:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-11-18 20:05:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-11-18 20:05:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-18 20:05:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-18 20:05:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-11-18 20:05:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-11-18 20:05:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:05:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:05:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:05:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-18 20:05:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-18 20:05:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-11-18 20:05:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-11-18 20:05:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-11-18 20:05:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-11-18 20:05:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-11-18 20:05:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-11-18 20:05:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-18 20:05:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-18 20:05:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:05:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:05:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-11-18 20:05:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-11-18 20:05:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:05:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:05:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-18 20:05:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-18 20:05:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-11-18 20:05:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-11-18 20:05:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-11-18 20:05:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-11-18 20:05:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-11-18 20:05:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-11-18 20:05:16,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-18 20:05:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-18 20:05:16,415 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-11-18 20:05:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-11-18 20:05:16,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-18 20:05:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-18 20:05:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-11-18 20:05:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-11-18 20:05:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:05:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-11-18 20:05:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-11-18 20:05:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-11-18 20:05:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-11-18 20:05:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-11-18 20:05:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-11-18 20:05:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-18 20:05:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-18 20:05:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-11-18 20:05:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-11-18 20:05:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 20:05:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 20:05:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:05:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:05:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-18 20:05:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-18 20:05:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-18 20:05:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-18 20:05:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-11-18 20:05:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-11-18 20:05:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-18 20:05:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-18 20:05:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_op_ps_restore [2022-11-18 20:05:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_op_ps_restore [2022-11-18 20:05:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 20:05:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 20:05:16,422 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-11-18 20:05:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-11-18 20:05:16,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-18 20:05:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-18 20:05:16,423 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:05:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:05:16,423 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-18 20:05:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-18 20:05:16,424 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-11-18 20:05:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-11-18 20:05:16,424 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-11-18 20:05:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-11-18 20:05:16,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 20:05:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 20:05:16,425 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-18 20:05:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-18 20:05:16,425 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:05:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:05:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 20:05:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 20:05:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-18 20:05:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-18 20:05:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-18 20:05:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-18 20:05:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-18 20:05:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-18 20:05:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-11-18 20:05:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-11-18 20:05:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-18 20:05:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-18 20:05:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-11-18 20:05:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-11-18 20:05:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 20:05:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 20:05:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:05:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:05:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-18 20:05:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-18 20:05:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-18 20:05:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-18 20:05:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-11-18 20:05:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-11-18 20:05:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:05:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-11-18 20:05:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-11-18 20:05:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-11-18 20:05:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-11-18 20:05:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-11-18 20:05:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-11-18 20:05:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_channel_switch_beacon [2022-11-18 20:05:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_channel_switch_beacon [2022-11-18 20:05:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-11-18 20:05:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-11-18 20:05:18,982 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:05:18,989 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:05:20,158 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:05:40,141 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:05:40,195 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:05:40,195 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:05:40,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:40 BoogieIcfgContainer [2022-11-18 20:05:40,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:05:40,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:05:40,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:05:40,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:05:40,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:05:00" (1/3) ... [2022-11-18 20:05:40,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8a3196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:05:40, skipping insertion in model container [2022-11-18 20:05:40,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:14" (2/3) ... [2022-11-18 20:05:40,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8a3196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:05:40, skipping insertion in model container [2022-11-18 20:05:40,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:40" (3/3) ... [2022-11-18 20:05:40,218 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 [2022-11-18 20:05:40,242 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:05:40,242 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:05:40,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:05:40,410 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@22202bb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:05:40,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:05:40,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 4838 states, 3234 states have (on average 1.3487940630797774) internal successors, (4362), 3362 states have internal predecessors, (4362), 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) [2022-11-18 20:05:40,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-18 20:05:40,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:05:40,480 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:05:40,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:05:40,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:05:40,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1531306275, now seen corresponding path program 1 times [2022-11-18 20:05:40,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:05:40,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056600050] [2022-11-18 20:05:40,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:05:40,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:05:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:05:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:05:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 20:05:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 20:05:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:05:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:05:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-18 20:05:42,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:05:42,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056600050] [2022-11-18 20:05:42,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056600050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:05:42,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:05:42,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:05:42,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133118153] [2022-11-18 20:05:42,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:05:42,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:05:42,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:05:42,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:05:42,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:05:42,810 INFO L87 Difference]: Start difference. First operand has 4838 states, 3234 states have (on average 1.3487940630797774) internal successors, (4362), 3362 states have internal predecessors, (4362), 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 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 20:05:57,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:07,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:12,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:12,534 INFO L93 Difference]: Finished difference Result 10362 states and 15761 transitions. [2022-11-18 20:06:12,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:06:12,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2022-11-18 20:06:12,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:12,613 INFO L225 Difference]: With dead ends: 10362 [2022-11-18 20:06:12,614 INFO L226 Difference]: Without dead ends: 5497 [2022-11-18 20:06:12,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:06:12,662 INFO L413 NwaCegarLoop]: 5625 mSDtfsCounter, 3303 mSDsluCounter, 8059 mSDsCounter, 0 mSdLazyCounter, 6624 mSolverCounterSat, 3587 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3415 SdHoareTripleChecker+Valid, 13684 SdHoareTripleChecker+Invalid, 10212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3587 IncrementalHoareTripleChecker+Valid, 6624 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:12,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3415 Valid, 13684 Invalid, 10212 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3587 Valid, 6624 Invalid, 1 Unknown, 0 Unchecked, 28.5s Time] [2022-11-18 20:06:12,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5497 states. [2022-11-18 20:06:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5497 to 4806. [2022-11-18 20:06:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4806 states, 3223 states have (on average 1.337263419174682) internal successors, (4310), 3330 states have internal predecessors, (4310), 1329 states have call successors, (1329), 254 states have call predecessors, (1329), 253 states have return successors, (1328), 1291 states have call predecessors, (1328), 1328 states have call successors, (1328) [2022-11-18 20:06:13,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 6967 transitions. [2022-11-18 20:06:13,355 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 6967 transitions. Word has length 94 [2022-11-18 20:06:13,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:13,356 INFO L495 AbstractCegarLoop]: Abstraction has 4806 states and 6967 transitions. [2022-11-18 20:06:13,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 20:06:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 6967 transitions. [2022-11-18 20:06:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-18 20:06:13,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:13,370 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:06:13,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:06:13,374 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:13,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:13,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1640008743, now seen corresponding path program 1 times [2022-11-18 20:06:13,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:06:13,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523811870] [2022-11-18 20:06:13,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:13,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:06:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:06:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:06:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:06:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:06:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 20:06:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 20:06:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:06:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:06:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-18 20:06:14,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:06:14,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523811870] [2022-11-18 20:06:14,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523811870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:06:14,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:06:14,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:06:14,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007709724] [2022-11-18 20:06:14,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:06:14,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:06:14,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:06:14,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:06:14,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:06:14,694 INFO L87 Difference]: Start difference. First operand 4806 states and 6967 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 20:06:23,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:40,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:47,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:54,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:54,271 INFO L93 Difference]: Finished difference Result 15670 states and 23358 transitions. [2022-11-18 20:06:54,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:06:54,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 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 94 [2022-11-18 20:06:54,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:54,351 INFO L225 Difference]: With dead ends: 15670 [2022-11-18 20:06:54,351 INFO L226 Difference]: Without dead ends: 10881 [2022-11-18 20:06:54,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:06:54,382 INFO L413 NwaCegarLoop]: 6789 mSDtfsCounter, 13580 mSDsluCounter, 11113 mSDsCounter, 0 mSdLazyCounter, 9861 mSolverCounterSat, 8335 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14449 SdHoareTripleChecker+Valid, 17902 SdHoareTripleChecker+Invalid, 18197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 8335 IncrementalHoareTripleChecker+Valid, 9861 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:54,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14449 Valid, 17902 Invalid, 18197 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [8335 Valid, 9861 Invalid, 1 Unknown, 0 Unchecked, 38.1s Time] [2022-11-18 20:06:54,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10881 states. [2022-11-18 20:06:54,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10881 to 9508. [2022-11-18 20:06:55,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9508 states, 6371 states have (on average 1.3382514518913828) internal successors, (8526), 6585 states have internal predecessors, (8526), 2634 states have call successors, (2634), 503 states have call predecessors, (2634), 502 states have return successors, (2633), 2558 states have call predecessors, (2633), 2633 states have call successors, (2633) [2022-11-18 20:06:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9508 states to 9508 states and 13793 transitions. [2022-11-18 20:06:55,060 INFO L78 Accepts]: Start accepts. Automaton has 9508 states and 13793 transitions. Word has length 94 [2022-11-18 20:06:55,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:55,062 INFO L495 AbstractCegarLoop]: Abstraction has 9508 states and 13793 transitions. [2022-11-18 20:06:55,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 20:06:55,063 INFO L276 IsEmpty]: Start isEmpty. Operand 9508 states and 13793 transitions. [2022-11-18 20:06:55,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-18 20:06:55,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:55,069 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:06:55,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:06:55,069 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:55,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:55,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1184248166, now seen corresponding path program 1 times [2022-11-18 20:06:55,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:06:55,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383671257] [2022-11-18 20:06:55,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:55,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:06:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:06:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:06:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:55,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:06:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:06:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 20:06:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:06:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:56,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:06:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 20:06:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 20:06:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 20:06:56,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:06:56,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383671257] [2022-11-18 20:06:56,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383671257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:06:56,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:06:56,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:06:56,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775235027] [2022-11-18 20:06:56,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:06:56,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:06:56,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:06:56,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:06:56,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:06:56,222 INFO L87 Difference]: Start difference. First operand 9508 states and 13793 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 20:07:06,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:29,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:36,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:07:36,541 INFO L93 Difference]: Finished difference Result 30181 states and 44969 transitions. [2022-11-18 20:07:36,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:07:36,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 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 113 [2022-11-18 20:07:36,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:07:36,666 INFO L225 Difference]: With dead ends: 30181 [2022-11-18 20:07:36,666 INFO L226 Difference]: Without dead ends: 20690 [2022-11-18 20:07:36,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:07:36,717 INFO L413 NwaCegarLoop]: 6956 mSDtfsCounter, 11839 mSDsluCounter, 14369 mSDsCounter, 0 mSdLazyCounter, 12417 mSolverCounterSat, 7415 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12620 SdHoareTripleChecker+Valid, 21325 SdHoareTripleChecker+Invalid, 19833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7415 IncrementalHoareTripleChecker+Valid, 12417 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:07:36,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12620 Valid, 21325 Invalid, 19833 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7415 Valid, 12417 Invalid, 1 Unknown, 0 Unchecked, 38.8s Time] [2022-11-18 20:07:36,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20690 states. [2022-11-18 20:07:37,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20690 to 18014. [2022-11-18 20:07:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18014 states, 12068 states have (on average 1.3394928737156115) internal successors, (16165), 12476 states have internal predecessors, (16165), 4970 states have call successors, (4970), 976 states have call predecessors, (4970), 975 states have return successors, (4969), 4820 states have call predecessors, (4969), 4969 states have call successors, (4969) [2022-11-18 20:07:37,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18014 states to 18014 states and 26104 transitions. [2022-11-18 20:07:37,886 INFO L78 Accepts]: Start accepts. Automaton has 18014 states and 26104 transitions. Word has length 113 [2022-11-18 20:07:37,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:07:37,888 INFO L495 AbstractCegarLoop]: Abstraction has 18014 states and 26104 transitions. [2022-11-18 20:07:37,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 20:07:37,889 INFO L276 IsEmpty]: Start isEmpty. Operand 18014 states and 26104 transitions. [2022-11-18 20:07:37,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-18 20:07:37,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:07:37,901 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:37,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:07:37,902 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:07:37,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:37,902 INFO L85 PathProgramCache]: Analyzing trace with hash 103995951, now seen corresponding path program 1 times [2022-11-18 20:07:37,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:37,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785154872] [2022-11-18 20:07:37,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:37,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:38,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:07:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:38,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:38,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:07:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 20:07:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 20:07:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 20:07:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:07:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:07:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:07:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-18 20:07:39,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:39,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785154872] [2022-11-18 20:07:39,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785154872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:07:39,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:07:39,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:07:39,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822947679] [2022-11-18 20:07:39,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:07:39,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:07:39,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:07:39,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:07:39,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:07:39,513 INFO L87 Difference]: Start difference. First operand 18014 states and 26104 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:08:05,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:12,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:12,200 INFO L93 Difference]: Finished difference Result 59171 states and 88152 transitions. [2022-11-18 20:08:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:08:12,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 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 145 [2022-11-18 20:08:12,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:12,431 INFO L225 Difference]: With dead ends: 59171 [2022-11-18 20:08:12,432 INFO L226 Difference]: Without dead ends: 41174 [2022-11-18 20:08:12,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:08:12,515 INFO L413 NwaCegarLoop]: 6864 mSDtfsCounter, 13595 mSDsluCounter, 11225 mSDsCounter, 0 mSdLazyCounter, 9897 mSolverCounterSat, 8323 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14455 SdHoareTripleChecker+Valid, 18089 SdHoareTripleChecker+Invalid, 18221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8323 IncrementalHoareTripleChecker+Valid, 9897 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:12,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14455 Valid, 18089 Invalid, 18221 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8323 Valid, 9897 Invalid, 1 Unknown, 0 Unchecked, 30.2s Time] [2022-11-18 20:08:12,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41174 states. [2022-11-18 20:08:14,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41174 to 35826. [2022-11-18 20:08:14,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35826 states, 23992 states have (on average 1.339488162720907) internal successors, (32137), 24808 states have internal predecessors, (32137), 9884 states have call successors, (9884), 1950 states have call predecessors, (9884), 1949 states have return successors, (9883), 9584 states have call predecessors, (9883), 9883 states have call successors, (9883) [2022-11-18 20:08:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35826 states to 35826 states and 51904 transitions. [2022-11-18 20:08:15,056 INFO L78 Accepts]: Start accepts. Automaton has 35826 states and 51904 transitions. Word has length 145 [2022-11-18 20:08:15,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:15,057 INFO L495 AbstractCegarLoop]: Abstraction has 35826 states and 51904 transitions. [2022-11-18 20:08:15,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 20:08:15,057 INFO L276 IsEmpty]: Start isEmpty. Operand 35826 states and 51904 transitions. [2022-11-18 20:08:15,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-18 20:08:15,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:15,063 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:15,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:08:15,064 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:08:15,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:15,064 INFO L85 PathProgramCache]: Analyzing trace with hash 709161987, now seen corresponding path program 1 times [2022-11-18 20:08:15,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:15,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103907641] [2022-11-18 20:08:15,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:15,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:08:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 20:08:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:08:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 20:08:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:08:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:08:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 20:08:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 20:08:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 20:08:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-11-18 20:08:16,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:16,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103907641] [2022-11-18 20:08:16,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103907641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:16,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:08:16,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:08:16,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641619289] [2022-11-18 20:08:16,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:16,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:08:16,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:16,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:08:16,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:08:16,911 INFO L87 Difference]: Start difference. First operand 35826 states and 51904 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 20:08:44,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:50,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:50,270 INFO L93 Difference]: Finished difference Result 117791 states and 175391 transitions. [2022-11-18 20:08:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:08:50,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 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 172 [2022-11-18 20:08:50,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:50,713 INFO L225 Difference]: With dead ends: 117791 [2022-11-18 20:08:50,713 INFO L226 Difference]: Without dead ends: 81982 [2022-11-18 20:08:50,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:08:50,874 INFO L413 NwaCegarLoop]: 6919 mSDtfsCounter, 13595 mSDsluCounter, 11282 mSDsCounter, 0 mSdLazyCounter, 9906 mSolverCounterSat, 8317 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14462 SdHoareTripleChecker+Valid, 18201 SdHoareTripleChecker+Invalid, 18224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8317 IncrementalHoareTripleChecker+Valid, 9906 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:50,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14462 Valid, 18201 Invalid, 18224 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8317 Valid, 9906 Invalid, 1 Unknown, 0 Unchecked, 29.2s Time] [2022-11-18 20:08:50,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81982 states. [2022-11-18 20:08:55,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81982 to 71296. [2022-11-18 20:08:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71296 states, 47743 states have (on average 1.339337703956601) internal successors, (63944), 49375 states have internal predecessors, (63944), 19655 states have call successors, (19655), 3898 states have call predecessors, (19655), 3897 states have return successors, (19654), 19055 states have call predecessors, (19654), 19654 states have call successors, (19654) [2022-11-18 20:08:55,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71296 states to 71296 states and 103253 transitions. [2022-11-18 20:08:55,469 INFO L78 Accepts]: Start accepts. Automaton has 71296 states and 103253 transitions. Word has length 172 [2022-11-18 20:08:55,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:55,470 INFO L495 AbstractCegarLoop]: Abstraction has 71296 states and 103253 transitions. [2022-11-18 20:08:55,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 20:08:55,470 INFO L276 IsEmpty]: Start isEmpty. Operand 71296 states and 103253 transitions. [2022-11-18 20:08:55,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-18 20:08:55,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:55,477 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:55,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:08:55,477 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:08:55,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:55,478 INFO L85 PathProgramCache]: Analyzing trace with hash -2075121439, now seen corresponding path program 1 times [2022-11-18 20:08:55,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:55,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604312238] [2022-11-18 20:08:55,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:55,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:08:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 20:08:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 20:08:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:08:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:56,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:08:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 20:08:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:08:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-18 20:08:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 20:08:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:08:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 20:08:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-18 20:08:57,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:57,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604312238] [2022-11-18 20:08:57,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604312238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:57,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:08:57,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:08:57,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350211485] [2022-11-18 20:08:57,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:57,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:08:57,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:57,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:08:57,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:08:57,260 INFO L87 Difference]: Start difference. First operand 71296 states and 103253 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 20:09:25,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:09:32,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:09:32,285 INFO L93 Difference]: Finished difference Result 234075 states and 348378 transitions. [2022-11-18 20:09:32,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:09:32,286 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 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 169 [2022-11-18 20:09:32,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:09:33,694 INFO L225 Difference]: With dead ends: 234075 [2022-11-18 20:09:33,694 INFO L226 Difference]: Without dead ends: 162796 [2022-11-18 20:09:33,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:09:33,958 INFO L413 NwaCegarLoop]: 6956 mSDtfsCounter, 16325 mSDsluCounter, 8425 mSDsCounter, 0 mSdLazyCounter, 7464 mSolverCounterSat, 11547 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17168 SdHoareTripleChecker+Valid, 15381 SdHoareTripleChecker+Invalid, 19012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11547 IncrementalHoareTripleChecker+Valid, 7464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:09:33,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17168 Valid, 15381 Invalid, 19012 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11547 Valid, 7464 Invalid, 1 Unknown, 0 Unchecked, 25.9s Time] [2022-11-18 20:09:34,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162796 states. [2022-11-18 20:09:41,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162796 to 141432. [2022-11-18 20:09:41,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141432 states, 94743 states have (on average 1.3399617913724498) internal successors, (126952), 97999 states have internal predecessors, (126952), 38895 states have call successors, (38895), 7794 states have call predecessors, (38895), 7793 states have return successors, (38894), 37703 states have call predecessors, (38894), 38894 states have call successors, (38894) [2022-11-18 20:09:43,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141432 states to 141432 states and 204741 transitions. [2022-11-18 20:09:43,907 INFO L78 Accepts]: Start accepts. Automaton has 141432 states and 204741 transitions. Word has length 169 [2022-11-18 20:09:43,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:09:43,907 INFO L495 AbstractCegarLoop]: Abstraction has 141432 states and 204741 transitions. [2022-11-18 20:09:43,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 20:09:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 141432 states and 204741 transitions. [2022-11-18 20:09:43,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-18 20:09:43,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:09:43,921 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:09:43,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:09:43,921 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:09:43,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:43,922 INFO L85 PathProgramCache]: Analyzing trace with hash -256716077, now seen corresponding path program 1 times [2022-11-18 20:09:43,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:43,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955340225] [2022-11-18 20:09:43,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:43,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:09:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:44,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:09:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:44,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:09:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:09:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 20:09:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 20:09:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:09:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 20:09:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:09:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:09:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:09:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-18 20:09:45,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:45,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955340225] [2022-11-18 20:09:45,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955340225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:09:45,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:09:45,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:09:45,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130817013] [2022-11-18 20:09:45,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:09:45,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:09:45,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:45,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:09:45,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:09:45,611 INFO L87 Difference]: Start difference. First operand 141432 states and 204741 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 20:10:17,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:26,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:26,119 INFO L93 Difference]: Finished difference Result 333362 states and 499264 transitions. [2022-11-18 20:10:26,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:10:26,120 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 5 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 150 [2022-11-18 20:10:26,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:27,659 INFO L225 Difference]: With dead ends: 333362 [2022-11-18 20:10:27,659 INFO L226 Difference]: Without dead ends: 191947 [2022-11-18 20:10:28,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:10:28,316 INFO L413 NwaCegarLoop]: 6759 mSDtfsCounter, 11002 mSDsluCounter, 15731 mSDsCounter, 0 mSdLazyCounter, 10826 mSolverCounterSat, 5254 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11748 SdHoareTripleChecker+Valid, 22490 SdHoareTripleChecker+Invalid, 16081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5254 IncrementalHoareTripleChecker+Valid, 10826 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:28,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11748 Valid, 22490 Invalid, 16081 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5254 Valid, 10826 Invalid, 1 Unknown, 0 Unchecked, 29.5s Time] [2022-11-18 20:10:28,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191947 states.