./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:23:07,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:23:07,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:23:07,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:23:07,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:23:07,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:23:07,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:23:07,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:23:07,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:23:07,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:23:07,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:23:07,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:23:07,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:23:07,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:23:07,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:23:07,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:23:07,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:23:07,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:23:07,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:23:07,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:23:07,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:23:07,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:23:07,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:23:07,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:23:07,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:23:07,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:23:07,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:23:07,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:23:07,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:23:07,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:23:07,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:23:07,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:23:07,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:23:07,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:23:07,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:23:07,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:23:07,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:23:07,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:23:07,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:23:07,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:23:07,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:23:07,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:23:07,356 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:23:07,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:23:07,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:23:07,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:23:07,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:23:07,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:23:07,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:23:07,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:23:07,366 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:23:07,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:23:07,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:23:07,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:23:07,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:23:07,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:23:07,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:23:07,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:23:07,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:23:07,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:23:07,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:23:07,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:23:07,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:23:07,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:23:07,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:23:07,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:23:07,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:23:07,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:23:07,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:23:07,372 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:23:07,372 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:23:07,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:23:07,372 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_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2022-11-02 20:23:07,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:23:07,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:23:07,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:23:07,649 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:23:07,649 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:23:07,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-02 20:23:07,742 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/data/95bf98e2a/cd06372318bd4cce861db18fe8fe1972/FLAGedac1db30 [2022-11-02 20:23:08,854 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:23:08,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-02 20:23:08,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/data/95bf98e2a/cd06372318bd4cce861db18fe8fe1972/FLAGedac1db30 [2022-11-02 20:23:09,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/data/95bf98e2a/cd06372318bd4cce861db18fe8fe1972 [2022-11-02 20:23:09,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:23:09,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:23:09,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:23:09,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:23:09,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:23:09,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:23:09" (1/1) ... [2022-11-02 20:23:09,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1976e959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:09, skipping insertion in model container [2022-11-02 20:23:09,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:23:09" (1/1) ... [2022-11-02 20:23:09,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:23:09,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:23:11,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-02 20:23:16,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:23:16,868 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:23:17,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-02 20:23:17,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:23:17,920 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:23:17,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17 WrapperNode [2022-11-02 20:23:17,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:23:17,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:23:17,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:23:17,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:23:17,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (1/1) ... [2022-11-02 20:23:18,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (1/1) ... [2022-11-02 20:23:18,572 INFO L138 Inliner]: procedures = 713, calls = 6649, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13076 [2022-11-02 20:23:18,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:23:18,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:23:18,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:23:18,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:23:18,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (1/1) ... [2022-11-02 20:23:18,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (1/1) ... [2022-11-02 20:23:18,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (1/1) ... [2022-11-02 20:23:18,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (1/1) ... [2022-11-02 20:23:19,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (1/1) ... [2022-11-02 20:23:19,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (1/1) ... [2022-11-02 20:23:19,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (1/1) ... [2022-11-02 20:23:19,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (1/1) ... [2022-11-02 20:23:19,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:23:19,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:23:19,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:23:19,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:23:19,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (1/1) ... [2022-11-02 20:23:19,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:23:19,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:23:19,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:23:19,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709dd6e9-9825-4a1d-bbc4-393eb3025dd6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:23:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-11-02 20:23:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-11-02 20:23:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-11-02 20:23:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-11-02 20:23:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-02 20:23:19,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-02 20:23:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-11-02 20:23:19,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-11-02 20:23:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-11-02 20:23:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-11-02 20:23:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-11-02 20:23:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-11-02 20:23:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-02 20:23:19,622 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-02 20:23:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-11-02 20:23:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-11-02 20:23:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-02 20:23:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-02 20:23:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-11-02 20:23:19,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-11-02 20:23:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-11-02 20:23:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-11-02 20:23:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-02 20:23:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-02 20:23:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-11-02 20:23:19,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-11-02 20:23:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:23:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:23:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-11-02 20:23:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-11-02 20:23:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-11-02 20:23:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-11-02 20:23:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-11-02 20:23:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-11-02 20:23:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-02 20:23:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-02 20:23:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-11-02 20:23:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-11-02 20:23:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-11-02 20:23:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-11-02 20:23:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-11-02 20:23:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-11-02 20:23:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-11-02 20:23:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-11-02 20:23:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-11-02 20:23:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-11-02 20:23:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:23:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:23:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-11-02 20:23:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-11-02 20:23:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-11-02 20:23:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-11-02 20:23:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-11-02 20:23:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-11-02 20:23:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-11-02 20:23:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-11-02 20:23:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-11-02 20:23:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-11-02 20:23:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-11-02 20:23:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-11-02 20:23:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-11-02 20:23:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-11-02 20:23:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:23:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:23:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-11-02 20:23:19,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-11-02 20:23:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-11-02 20:23:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-11-02 20:23:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-11-02 20:23:19,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-11-02 20:23:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-11-02 20:23:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-11-02 20:23:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-11-02 20:23:19,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-11-02 20:23:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-11-02 20:23:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-11-02 20:23:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-11-02 20:23:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-11-02 20:23:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-02 20:23:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-02 20:23:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-02 20:23:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:23:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:23:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-11-02 20:23:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-11-02 20:23:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-11-02 20:23:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-11-02 20:23:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-11-02 20:23:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-11-02 20:23:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-11-02 20:23:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-11-02 20:23:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-11-02 20:23:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-11-02 20:23:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:23:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-11-02 20:23:19,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-11-02 20:23:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-11-02 20:23:19,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-11-02 20:23:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-02 20:23:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-02 20:23:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 20:23:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 20:23:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-02 20:23:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-02 20:23:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-02 20:23:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-02 20:23:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-11-02 20:23:19,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-11-02 20:23:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-11-02 20:23:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-11-02 20:23:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:23:19,646 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:23:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-11-02 20:23:19,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-11-02 20:23:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-02 20:23:19,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-02 20:23:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-11-02 20:23:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-11-02 20:23:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-11-02 20:23:19,651 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-11-02 20:23:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:23:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-02 20:23:19,652 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-02 20:23:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-11-02 20:23:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-11-02 20:23:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-11-02 20:23:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-11-02 20:23:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-11-02 20:23:19,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-11-02 20:23:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:23:19,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:23:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:23:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2022-11-02 20:23:19,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2022-11-02 20:23:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-11-02 20:23:19,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-11-02 20:23:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-02 20:23:19,662 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-02 20:23:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-11-02 20:23:19,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-11-02 20:23:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:23:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-02 20:23:19,663 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-02 20:23:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:23:19,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:23:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-02 20:23:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-02 20:23:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-11-02 20:23:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-11-02 20:23:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-11-02 20:23:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-11-02 20:23:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-02 20:23:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-02 20:23:19,665 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-02 20:23:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-02 20:23:19,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-02 20:23:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-02 20:23:19,665 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-11-02 20:23:19,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-11-02 20:23:19,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-02 20:23:19,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-02 20:23:19,666 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-11-02 20:23:19,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-11-02 20:23:19,666 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-11-02 20:23:19,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-11-02 20:23:19,666 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-11-02 20:23:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-11-02 20:23:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:23:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:23:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-11-02 20:23:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-11-02 20:23:19,667 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-11-02 20:23:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-11-02 20:23:19,668 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-11-02 20:23:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-11-02 20:23:19,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-02 20:23:19,668 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-02 20:23:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-02 20:23:19,669 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-11-02 20:23:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-11-02 20:23:19,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:23:19,669 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-02 20:23:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-02 20:23:19,669 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-02 20:23:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-02 20:23:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-11-02 20:23:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-11-02 20:23:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:23:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-11-02 20:23:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-11-02 20:23:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-02 20:23:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-02 20:23:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-11-02 20:23:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-11-02 20:23:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-02 20:23:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-02 20:23:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:23:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:23:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-11-02 20:23:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-11-02 20:23:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:23:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:23:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-02 20:23:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-02 20:23:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-11-02 20:23:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-11-02 20:23:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-02 20:23:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-02 20:23:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-02 20:23:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-02 20:23:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-11-02 20:23:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-11-02 20:23:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-11-02 20:23:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-11-02 20:23:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 20:23:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 20:23:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-02 20:23:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-02 20:23:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-11-02 20:23:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-11-02 20:23:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-02 20:23:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-02 20:23:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 20:23:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 20:23:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:23:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:23:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-02 20:23:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-02 20:23:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-11-02 20:23:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-11-02 20:23:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-11-02 20:23:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-11-02 20:23:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-11-02 20:23:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-11-02 20:23:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-02 20:23:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-02 20:23:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-11-02 20:23:19,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-11-02 20:23:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-11-02 20:23:19,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-11-02 20:23:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 20:23:19,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 20:23:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:23:19,678 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:23:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-11-02 20:23:19,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-11-02 20:23:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-02 20:23:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-02 20:23:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:23:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:23:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-02 20:23:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-02 20:23:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-11-02 20:23:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-11-02 20:23:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-02 20:23:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-02 20:23:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-11-02 20:23:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-11-02 20:23:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-02 20:23:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-02 20:23:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-11-02 20:23:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-11-02 20:23:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-11-02 20:23:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-11-02 20:23:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-11-02 20:23:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-11-02 20:23:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-02 20:23:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-02 20:23:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-11-02 20:23:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-11-02 20:23:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:23:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:23:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:23:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:23:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 20:23:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 20:23:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-11-02 20:23:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-11-02 20:23:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-02 20:23:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-02 20:23:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-11-02 20:23:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-11-02 20:23:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-02 20:23:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-02 20:23:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-11-02 20:23:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-11-02 20:23:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-11-02 20:23:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-11-02 20:23:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-11-02 20:23:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-11-02 20:23:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-11-02 20:23:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-11-02 20:23:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-11-02 20:23:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-11-02 20:23:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-11-02 20:23:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-11-02 20:23:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-02 20:23:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-02 20:23:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:23:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:23:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-02 20:23:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-02 20:23:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-02 20:23:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-02 20:23:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:23:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:23:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-02 20:23:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-02 20:23:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-02 20:23:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-02 20:23:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-11-02 20:23:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-11-02 20:23:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 20:23:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 20:23:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-11-02 20:23:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-11-02 20:23:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:23:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:23:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:23:19,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:23:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-02 20:23:19,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-02 20:23:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-02 20:23:19,694 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-02 20:23:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-11-02 20:23:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-11-02 20:23:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-11-02 20:23:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-11-02 20:23:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-02 20:23:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-02 20:23:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-11-02 20:23:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-11-02 20:23:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-11-02 20:23:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-11-02 20:23:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-02 20:23:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-02 20:23:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-11-02 20:23:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-11-02 20:23:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-11-02 20:23:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-11-02 20:23:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:23:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:23:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:23:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-02 20:23:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-02 20:23:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:23:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-02 20:23:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-02 20:23:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-02 20:23:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-02 20:23:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-02 20:23:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-02 20:23:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-11-02 20:23:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-11-02 20:23:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-11-02 20:23:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-11-02 20:23:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-02 20:23:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-02 20:23:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-11-02 20:23:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-11-02 20:23:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-11-02 20:23:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-11-02 20:23:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:23:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-11-02 20:23:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-11-02 20:23:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-11-02 20:23:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-11-02 20:23:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-11-02 20:23:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-11-02 20:23:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-11-02 20:23:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-11-02 20:23:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:23:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:23:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-02 20:23:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-02 20:23:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-02 20:23:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-02 20:23:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-11-02 20:23:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-11-02 20:23:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:23:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:23:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:23:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:23:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-02 20:23:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-02 20:23:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-02 20:23:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-02 20:23:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:23:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:23:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-02 20:23:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-02 20:23:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-11-02 20:23:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-11-02 20:23:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-02 20:23:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-02 20:23:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:23:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:23:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-11-02 20:23:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-11-02 20:23:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-02 20:23:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-02 20:23:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-02 20:23:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-02 20:23:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 20:23:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 20:23:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-02 20:23:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-02 20:23:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-02 20:23:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-02 20:23:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-11-02 20:23:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-11-02 20:23:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:23:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:23:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-11-02 20:23:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-11-02 20:23:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-02 20:23:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-02 20:23:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2022-11-02 20:23:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2022-11-02 20:23:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-02 20:23:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-02 20:23:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:23:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:23:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-02 20:23:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-02 20:23:19,708 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-11-02 20:23:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-11-02 20:23:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-02 20:23:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-02 20:23:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-11-02 20:23:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-11-02 20:23:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-02 20:23:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-02 20:23:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:23:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-11-02 20:23:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-11-02 20:23:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-02 20:23:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-02 20:23:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:23:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:23:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-11-02 20:23:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-11-02 20:23:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-02 20:23:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-02 20:23:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-02 20:23:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-02 20:23:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 20:23:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 20:23:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-02 20:23:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-02 20:23:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-11-02 20:23:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-11-02 20:23:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-02 20:23:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-02 20:23:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-11-02 20:23:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-11-02 20:23:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-11-02 20:23:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-11-02 20:23:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-11-02 20:23:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-11-02 20:23:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-11-02 20:23:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-11-02 20:23:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-02 20:23:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-02 20:23:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-02 20:23:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-02 20:23:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-02 20:23:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-02 20:23:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-11-02 20:23:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-11-02 20:23:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-11-02 20:23:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-11-02 20:23:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2022-11-02 20:23:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2022-11-02 20:23:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-02 20:23:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-02 20:23:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-11-02 20:23:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-11-02 20:23:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-11-02 20:23:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-11-02 20:23:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-11-02 20:23:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-11-02 20:23:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 20:23:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 20:23:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:23:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:23:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-02 20:23:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-02 20:23:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-11-02 20:23:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-11-02 20:23:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-02 20:23:19,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-02 20:23:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-11-02 20:23:19,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-11-02 20:23:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:23:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-11-02 20:23:19,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-11-02 20:23:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-11-02 20:23:19,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-11-02 20:23:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-11-02 20:23:19,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-11-02 20:23:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-11-02 20:23:19,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-11-02 20:23:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-11-02 20:23:19,722 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-11-02 20:23:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-11-02 20:23:19,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-11-02 20:23:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-02 20:23:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-02 20:23:19,723 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-02 20:23:21,427 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:23:21,433 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:23:22,353 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:23:37,579 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:23:37,616 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:23:37,617 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:23:37,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:23:37 BoogieIcfgContainer [2022-11-02 20:23:37,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:23:37,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:23:37,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:23:37,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:23:37,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:23:09" (1/3) ... [2022-11-02 20:23:37,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1a7621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:23:37, skipping insertion in model container [2022-11-02 20:23:37,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:23:17" (2/3) ... [2022-11-02 20:23:37,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1a7621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:23:37, skipping insertion in model container [2022-11-02 20:23:37,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:23:37" (3/3) ... [2022-11-02 20:23:37,641 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-02 20:23:37,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:23:37,661 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:23:37,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:23:37,916 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;@8a54b1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:23:37,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:23:37,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 4550 states, 3055 states have (on average 1.348936170212766) internal successors, (4121), 3164 states have internal predecessors, (4121), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) [2022-11-02 20:23:37,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-02 20:23:37,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:23:37,967 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:23:37,967 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:23:37,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:23:37,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1753720139, now seen corresponding path program 1 times [2022-11-02 20:23:37,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:23:37,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047978732] [2022-11-02 20:23:37,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:23:37,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:23:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:23:39,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:23:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:23:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:23:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:23:39,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:23:39,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:23:39,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047978732] [2022-11-02 20:23:39,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047978732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:23:39,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:23:39,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:23:39,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6821574] [2022-11-02 20:23:39,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:23:39,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:23:39,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:23:39,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:23:39,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:23:39,455 INFO L87 Difference]: Start difference. First operand has 4550 states, 3055 states have (on average 1.348936170212766) internal successors, (4121), 3164 states have internal predecessors, (4121), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:23:49,961 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 [] [2022-11-02 20:24:00,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:24:04,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:24:04,019 INFO L93 Difference]: Finished difference Result 14570 states and 22401 transitions. [2022-11-02 20:24:04,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:24:04,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-02 20:24:04,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:24:04,139 INFO L225 Difference]: With dead ends: 14570 [2022-11-02 20:24:04,139 INFO L226 Difference]: Without dead ends: 9985 [2022-11-02 20:24:04,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:24:04,186 INFO L413 NwaCegarLoop]: 7387 mSDtfsCounter, 8715 mSDsluCounter, 7863 mSDsCounter, 0 mSdLazyCounter, 5408 mSolverCounterSat, 3625 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9643 SdHoareTripleChecker+Valid, 15250 SdHoareTripleChecker+Invalid, 9034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3625 IncrementalHoareTripleChecker+Valid, 5408 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:24:04,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9643 Valid, 15250 Invalid, 9034 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3625 Valid, 5408 Invalid, 1 Unknown, 0 Unchecked, 23.1s Time] [2022-11-02 20:24:04,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9985 states. [2022-11-02 20:24:04,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9985 to 8966. [2022-11-02 20:24:04,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8966 states, 6039 states have (on average 1.3435999337638682) internal successors, (8114), 6222 states have internal predecessors, (8114), 2441 states have call successors, (2441), 486 states have call predecessors, (2441), 485 states have return successors, (2440), 2386 states have call predecessors, (2440), 2440 states have call successors, (2440) [2022-11-02 20:24:04,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8966 states to 8966 states and 12995 transitions. [2022-11-02 20:24:04,916 INFO L78 Accepts]: Start accepts. Automaton has 8966 states and 12995 transitions. Word has length 41 [2022-11-02 20:24:04,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:24:04,918 INFO L495 AbstractCegarLoop]: Abstraction has 8966 states and 12995 transitions. [2022-11-02 20:24:04,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:24:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 8966 states and 12995 transitions. [2022-11-02 20:24:04,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:24:04,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:24:04,928 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:04,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:24:04,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:24:04,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:04,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1297931261, now seen corresponding path program 1 times [2022-11-02 20:24:04,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:04,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938835463] [2022-11-02 20:24:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:04,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:06,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:24:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:24:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:06,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:24:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:24:06,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:24:06,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938835463] [2022-11-02 20:24:06,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938835463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:24:06,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:24:06,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:24:06,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264879703] [2022-11-02 20:24:06,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:24:06,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:24:06,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:24:06,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:24:06,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:24:06,556 INFO L87 Difference]: Start difference. First operand 8966 states and 12995 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:24:28,313 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 [] [2022-11-02 20:24:37,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:24:37,135 INFO L93 Difference]: Finished difference Result 28889 states and 43826 transitions. [2022-11-02 20:24:37,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:24:37,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-02 20:24:37,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:24:37,325 INFO L225 Difference]: With dead ends: 28889 [2022-11-02 20:24:37,325 INFO L226 Difference]: Without dead ends: 19925 [2022-11-02 20:24:37,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:24:37,404 INFO L413 NwaCegarLoop]: 7874 mSDtfsCounter, 8616 mSDsluCounter, 19932 mSDsCounter, 0 mSdLazyCounter, 11439 mSolverCounterSat, 3596 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9483 SdHoareTripleChecker+Valid, 27806 SdHoareTripleChecker+Invalid, 15036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3596 IncrementalHoareTripleChecker+Valid, 11439 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:24:37,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9483 Valid, 27806 Invalid, 15036 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3596 Valid, 11439 Invalid, 1 Unknown, 0 Unchecked, 29.0s Time] [2022-11-02 20:24:37,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19925 states. [2022-11-02 20:24:38,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19925 to 18184. [2022-11-02 20:24:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18184 states, 12256 states have (on average 1.3430972584856398) internal successors, (16461), 12639 states have internal predecessors, (16461), 4914 states have call successors, (4914), 970 states have call predecessors, (4914), 1013 states have return successors, (5678), 4833 states have call predecessors, (5678), 4913 states have call successors, (5678) [2022-11-02 20:24:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18184 states to 18184 states and 27053 transitions. [2022-11-02 20:24:38,849 INFO L78 Accepts]: Start accepts. Automaton has 18184 states and 27053 transitions. Word has length 51 [2022-11-02 20:24:38,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:24:38,850 INFO L495 AbstractCegarLoop]: Abstraction has 18184 states and 27053 transitions. [2022-11-02 20:24:38,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:24:38,851 INFO L276 IsEmpty]: Start isEmpty. Operand 18184 states and 27053 transitions. [2022-11-02 20:24:38,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-02 20:24:38,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:24:38,877 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:38,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:24:38,878 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:24:38,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:38,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1159374282, now seen corresponding path program 1 times [2022-11-02 20:24:38,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:38,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630987581] [2022-11-02 20:24:38,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:38,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:24:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:24:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 20:24:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:39,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:24:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:24:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:24:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:39,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:24:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:39,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:24:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 20:24:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:24:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:24:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:24:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:24:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 20:24:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:40,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:24:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:40,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:24:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:40,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 20:24:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:40,502 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-02 20:24:40,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:24:40,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630987581] [2022-11-02 20:24:40,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630987581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:24:40,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:24:40,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:24:40,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863337854] [2022-11-02 20:24:40,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:24:40,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:24:40,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:24:40,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:24:40,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:24:40,662 INFO L87 Difference]: Start difference. First operand 18184 states and 27053 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:24:52,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:24:57,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:19,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:25:19,198 INFO L93 Difference]: Finished difference Result 59888 states and 91178 transitions. [2022-11-02 20:25:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:25:19,199 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2022-11-02 20:25:19,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:25:19,664 INFO L225 Difference]: With dead ends: 59888 [2022-11-02 20:25:19,664 INFO L226 Difference]: Without dead ends: 41713 [2022-11-02 20:25:19,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:25:19,771 INFO L413 NwaCegarLoop]: 6985 mSDtfsCounter, 15078 mSDsluCounter, 10286 mSDsCounter, 0 mSdLazyCounter, 9842 mSolverCounterSat, 10854 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16092 SdHoareTripleChecker+Valid, 17271 SdHoareTripleChecker+Invalid, 20697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10854 IncrementalHoareTripleChecker+Valid, 9842 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:25:19,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16092 Valid, 17271 Invalid, 20697 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10854 Valid, 9842 Invalid, 1 Unknown, 0 Unchecked, 36.0s Time] [2022-11-02 20:25:19,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41713 states. [2022-11-02 20:25:22,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41713 to 36658. [2022-11-02 20:25:22,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36658 states, 24760 states have (on average 1.3444668820678514) internal successors, (33289), 25547 states have internal predecessors, (33289), 9816 states have call successors, (9816), 1938 states have call predecessors, (9816), 2081 states have return successors, (11622), 9677 states have call predecessors, (11622), 9815 states have call successors, (11622) [2022-11-02 20:25:22,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36658 states to 36658 states and 54727 transitions. [2022-11-02 20:25:22,892 INFO L78 Accepts]: Start accepts. Automaton has 36658 states and 54727 transitions. Word has length 151 [2022-11-02 20:25:22,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:25:22,893 INFO L495 AbstractCegarLoop]: Abstraction has 36658 states and 54727 transitions. [2022-11-02 20:25:22,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:25:22,893 INFO L276 IsEmpty]: Start isEmpty. Operand 36658 states and 54727 transitions. [2022-11-02 20:25:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-02 20:25:22,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:25:22,915 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:25:22,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:25:22,915 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:25:22,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:25:22,916 INFO L85 PathProgramCache]: Analyzing trace with hash -2126110880, now seen corresponding path program 1 times [2022-11-02 20:25:22,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:25:22,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858545878] [2022-11-02 20:25:22,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:25:22,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:25:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:23,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:25:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:23,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:25:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:25:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 20:25:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:25:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:25:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:25:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 20:25:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:25:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 20:25:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:25:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:25:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:25:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-02 20:25:24,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:25:24,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858545878] [2022-11-02 20:25:24,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858545878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:25:24,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:25:24,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:25:24,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373889519] [2022-11-02 20:25:24,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:25:24,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:25:24,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:25:24,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:25:24,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:25:24,663 INFO L87 Difference]: Start difference. First operand 36658 states and 54727 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:25:41,155 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 [] [2022-11-02 20:26:05,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:05,430 INFO L93 Difference]: Finished difference Result 119648 states and 182284 transitions. [2022-11-02 20:26:05,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:26:05,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2022-11-02 20:26:05,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:06,205 INFO L225 Difference]: With dead ends: 119648 [2022-11-02 20:26:06,205 INFO L226 Difference]: Without dead ends: 82999 [2022-11-02 20:26:06,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:26:06,412 INFO L413 NwaCegarLoop]: 7034 mSDtfsCounter, 12314 mSDsluCounter, 10525 mSDsCounter, 0 mSdLazyCounter, 10494 mSolverCounterSat, 7701 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13339 SdHoareTripleChecker+Valid, 17559 SdHoareTripleChecker+Invalid, 18196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7701 IncrementalHoareTripleChecker+Valid, 10494 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:06,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13339 Valid, 17559 Invalid, 18196 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7701 Valid, 10494 Invalid, 1 Unknown, 0 Unchecked, 36.1s Time] [2022-11-02 20:26:06,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82999 states. [2022-11-02 20:26:10,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82999 to 72904. [2022-11-02 20:26:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72904 states, 49238 states have (on average 1.3444697185100938) internal successors, (66199), 50813 states have internal predecessors, (66199), 19504 states have call successors, (19504), 3874 states have call predecessors, (19504), 4161 states have return successors, (23092), 19225 states have call predecessors, (23092), 19503 states have call successors, (23092) [2022-11-02 20:26:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72904 states to 72904 states and 108795 transitions. [2022-11-02 20:26:11,767 INFO L78 Accepts]: Start accepts. Automaton has 72904 states and 108795 transitions. Word has length 147 [2022-11-02 20:26:11,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:11,768 INFO L495 AbstractCegarLoop]: Abstraction has 72904 states and 108795 transitions. [2022-11-02 20:26:11,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:26:11,768 INFO L276 IsEmpty]: Start isEmpty. Operand 72904 states and 108795 transitions. [2022-11-02 20:26:11,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-02 20:26:11,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:11,790 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:11,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:26:11,790 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:11,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:11,791 INFO L85 PathProgramCache]: Analyzing trace with hash -930218019, now seen corresponding path program 1 times [2022-11-02 20:26:11,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:11,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166315254] [2022-11-02 20:26:11,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:11,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:26:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:26:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:26:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:26:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:26:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:26:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:26:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:26:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 20:26:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:26:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:26:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:26:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:26:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:26:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:26:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:12,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:26:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-02 20:26:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:13,023 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-02 20:26:13,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:13,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166315254] [2022-11-02 20:26:13,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166315254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:13,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:13,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:26:13,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899815119] [2022-11-02 20:26:13,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:13,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:26:13,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:13,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:26:13,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:26:13,029 INFO L87 Difference]: Start difference. First operand 72904 states and 108795 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)