./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/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_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y --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 --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:46:46,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:46:46,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:46:46,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:46:46,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:46:46,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:46:46,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:46:46,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:46:46,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:46:46,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:46:46,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:46:46,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:46:46,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:46:46,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:46:46,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:46:46,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:46:46,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:46:46,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:46:46,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:46:46,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:46:46,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:46:46,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:46:46,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:46:46,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:46:46,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:46:46,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:46:46,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:46:46,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:46:46,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:46:46,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:46:46,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:46:46,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:46:46,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:46:46,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:46:46,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:46:46,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:46:46,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:46:46,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:46:46,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:46:46,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:46:46,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:46:46,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:46:46,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:46:46,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:46:46,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:46:46,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:46:46,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:46:46,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:46:46,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:46:46,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:46:46,311 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:46:46,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:46:46,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:46:46,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:46:46,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:46:46,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:46:46,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:46:46,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:46:46,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:46:46,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:46:46,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:46:46,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:46:46,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:46:46,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:46:46,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:46:46,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:46:46,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:46:46,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:46:46,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:46:46,316 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:46:46,317 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:46:46,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:46:46,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:46:46,319 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_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2021-11-13 18:46:46,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:46:46,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:46:46,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:46:46,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:46:46,669 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:46:46,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/../../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 [2021-11-13 18:46:46,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/data/3f7a1d021/76ca5552f470445ea14890778c71ccb9/FLAG748e721b0 [2021-11-13 18:46:48,028 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:46:48,029 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/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 [2021-11-13 18:46:48,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/data/3f7a1d021/76ca5552f470445ea14890778c71ccb9/FLAG748e721b0 [2021-11-13 18:46:48,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/data/3f7a1d021/76ca5552f470445ea14890778c71ccb9 [2021-11-13 18:46:48,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:46:48,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:46:48,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:46:48,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:46:48,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:46:48,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:46:48" (1/1) ... [2021-11-13 18:46:48,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7d5cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:48, skipping insertion in model container [2021-11-13 18:46:48,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:46:48" (1/1) ... [2021-11-13 18:46:48,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:46:48,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:46:49,878 WARN L228 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_f1c6dd63-513c-40ae-b3bb-91d777791b31/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] [2021-11-13 18:46:55,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:46:55,360 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:46:55,579 WARN L228 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_f1c6dd63-513c-40ae-b3bb-91d777791b31/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] [2021-11-13 18:46:56,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:46:56,587 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:46:56,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56 WrapperNode [2021-11-13 18:46:56,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:46:56,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:46:56,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:46:56,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:46:56,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56" (1/1) ... [2021-11-13 18:46:56,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56" (1/1) ... [2021-11-13 18:46:57,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:46:57,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:46:57,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:46:57,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:46:57,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56" (1/1) ... [2021-11-13 18:46:57,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56" (1/1) ... [2021-11-13 18:46:57,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56" (1/1) ... [2021-11-13 18:46:57,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56" (1/1) ... [2021-11-13 18:46:57,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56" (1/1) ... [2021-11-13 18:46:57,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56" (1/1) ... [2021-11-13 18:46:58,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56" (1/1) ... [2021-11-13 18:46:58,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:46:58,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:46:58,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:46:58,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:46:58,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56" (1/1) ... [2021-11-13 18:46:58,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:46:58,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:46:58,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:46:58,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:46:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2021-11-13 18:46:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2021-11-13 18:46:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2021-11-13 18:46:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2021-11-13 18:46:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-13 18:46:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-13 18:46:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2021-11-13 18:46:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2021-11-13 18:46:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2021-11-13 18:46:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2021-11-13 18:46:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2021-11-13 18:46:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2021-11-13 18:46:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-13 18:46:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-13 18:46:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2021-11-13 18:46:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2021-11-13 18:46:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-11-13 18:46:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-11-13 18:46:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2021-11-13 18:46:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2021-11-13 18:46:58,666 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2021-11-13 18:46:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2021-11-13 18:46:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-13 18:46:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-13 18:46:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2021-11-13 18:46:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2021-11-13 18:46:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:46:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:46:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2021-11-13 18:46:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2021-11-13 18:46:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2021-11-13 18:46:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2021-11-13 18:46:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2021-11-13 18:46:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2021-11-13 18:46:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-13 18:46:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-13 18:46:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2021-11-13 18:46:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2021-11-13 18:46:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2021-11-13 18:46:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2021-11-13 18:46:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2021-11-13 18:46:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2021-11-13 18:46:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2021-11-13 18:46:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2021-11-13 18:46:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2021-11-13 18:46:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2021-11-13 18:46:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 18:46:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 18:46:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2021-11-13 18:46:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2021-11-13 18:46:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2021-11-13 18:46:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2021-11-13 18:46:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2021-11-13 18:46:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2021-11-13 18:46:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2021-11-13 18:46:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2021-11-13 18:46:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2021-11-13 18:46:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2021-11-13 18:46:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2021-11-13 18:46:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2021-11-13 18:46:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2021-11-13 18:46:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2021-11-13 18:46:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 18:46:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 18:46:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2021-11-13 18:46:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2021-11-13 18:46:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2021-11-13 18:46:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2021-11-13 18:46:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2021-11-13 18:46:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2021-11-13 18:46:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2021-11-13 18:46:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2021-11-13 18:46:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2021-11-13 18:46:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2021-11-13 18:46:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2021-11-13 18:46:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2021-11-13 18:46:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2021-11-13 18:46:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2021-11-13 18:46:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-13 18:46:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2021-11-13 18:46:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2021-11-13 18:46:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 18:46:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 18:46:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2021-11-13 18:46:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2021-11-13 18:46:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2021-11-13 18:46:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2021-11-13 18:46:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2021-11-13 18:46:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2021-11-13 18:46:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2021-11-13 18:46:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2021-11-13 18:46:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2021-11-13 18:46:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2021-11-13 18:46:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:46:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2021-11-13 18:46:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2021-11-13 18:46:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2021-11-13 18:46:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2021-11-13 18:46:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-13 18:46:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-13 18:46:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-13 18:46:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-13 18:46:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2021-11-13 18:46:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2021-11-13 18:46:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-13 18:46:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-13 18:46:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2021-11-13 18:46:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2021-11-13 18:46:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2021-11-13 18:46:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2021-11-13 18:46:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 18:46:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 18:46:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2021-11-13 18:46:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2021-11-13 18:46:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-13 18:46:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-13 18:46:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2021-11-13 18:46:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2021-11-13 18:46:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2021-11-13 18:46:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2021-11-13 18:46:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:46:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-13 18:46:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-13 18:46:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2021-11-13 18:46:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2021-11-13 18:46:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2021-11-13 18:46:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2021-11-13 18:46:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2021-11-13 18:46:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2021-11-13 18:46:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 18:46:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 18:46:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:46:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2021-11-13 18:46:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2021-11-13 18:46:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2021-11-13 18:46:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2021-11-13 18:46:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-11-13 18:46:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-11-13 18:46:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2021-11-13 18:46:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2021-11-13 18:46:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:46:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-13 18:46:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-13 18:46:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:46:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:46:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-13 18:46:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-13 18:46:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2021-11-13 18:46:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2021-11-13 18:46:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2021-11-13 18:46:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2021-11-13 18:46:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-13 18:46:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-13 18:46:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-13 18:46:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-13 18:46:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-13 18:46:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-13 18:46:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2021-11-13 18:46:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2021-11-13 18:46:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-11-13 18:46:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-11-13 18:46:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2021-11-13 18:46:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2021-11-13 18:46:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2021-11-13 18:46:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2021-11-13 18:46:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2021-11-13 18:46:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2021-11-13 18:46:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-13 18:46:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-13 18:46:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2021-11-13 18:46:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2021-11-13 18:46:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2021-11-13 18:46:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2021-11-13 18:46:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2021-11-13 18:46:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2021-11-13 18:46:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-13 18:46:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-13 18:46:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-13 18:46:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2021-11-13 18:46:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2021-11-13 18:46:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:46:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-11-13 18:46:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-11-13 18:46:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-13 18:46:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-13 18:46:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2021-11-13 18:46:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2021-11-13 18:46:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2021-11-13 18:46:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2021-11-13 18:46:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-13 18:46:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-13 18:46:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2021-11-13 18:46:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2021-11-13 18:46:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-13 18:46:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-13 18:46:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:46:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 18:46:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2021-11-13 18:46:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2021-11-13 18:46:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:46:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:46:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2021-11-13 18:46:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2021-11-13 18:46:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2021-11-13 18:46:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2021-11-13 18:46:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-13 18:46:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-13 18:46:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-13 18:46:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-13 18:46:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2021-11-13 18:46:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2021-11-13 18:46:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2021-11-13 18:46:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2021-11-13 18:46:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 18:46:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 18:46:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-13 18:46:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-13 18:46:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2021-11-13 18:46:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2021-11-13 18:46:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-13 18:46:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-13 18:46:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-13 18:46:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-13 18:46:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:46:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:46:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-11-13 18:46:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-11-13 18:46:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2021-11-13 18:46:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2021-11-13 18:46:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2021-11-13 18:46:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2021-11-13 18:46:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2021-11-13 18:46:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2021-11-13 18:46:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-13 18:46:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-13 18:46:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2021-11-13 18:46:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2021-11-13 18:46:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2021-11-13 18:46:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2021-11-13 18:46:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-13 18:46:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-13 18:46:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 18:46:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 18:46:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2021-11-13 18:46:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2021-11-13 18:46:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-13 18:46:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-13 18:46:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:46:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:46:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-13 18:46:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-13 18:46:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2021-11-13 18:46:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2021-11-13 18:46:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-13 18:46:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-13 18:46:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2021-11-13 18:46:58,707 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2021-11-13 18:46:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-13 18:46:58,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-13 18:46:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2021-11-13 18:46:58,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2021-11-13 18:46:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2021-11-13 18:46:58,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2021-11-13 18:46:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2021-11-13 18:46:58,708 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2021-11-13 18:46:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-13 18:46:58,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-13 18:46:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2021-11-13 18:46:58,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2021-11-13 18:46:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:46:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:46:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:46:58,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:46:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-13 18:46:58,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-13 18:46:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2021-11-13 18:46:58,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2021-11-13 18:46:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-13 18:46:58,710 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-13 18:46:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-13 18:46:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-13 18:46:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-13 18:46:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-13 18:46:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2021-11-13 18:46:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2021-11-13 18:46:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2021-11-13 18:46:58,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2021-11-13 18:46:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2021-11-13 18:46:58,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2021-11-13 18:46:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2021-11-13 18:46:58,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2021-11-13 18:46:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2021-11-13 18:46:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2021-11-13 18:46:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2021-11-13 18:46:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2021-11-13 18:46:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2021-11-13 18:46:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2021-11-13 18:46:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-13 18:46:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-13 18:46:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-13 18:46:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-13 18:46:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-13 18:46:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-13 18:46:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 18:46:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 18:46:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-11-13 18:46:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-11-13 18:46:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-13 18:46:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-13 18:46:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2021-11-13 18:46:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2021-11-13 18:46:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 18:46:58,716 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 18:46:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2021-11-13 18:46:58,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2021-11-13 18:46:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:46:58,716 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:46:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:46:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:46:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2021-11-13 18:46:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2021-11-13 18:46:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-13 18:46:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-13 18:46:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2021-11-13 18:46:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2021-11-13 18:46:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2021-11-13 18:46:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2021-11-13 18:46:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-13 18:46:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-13 18:46:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2021-11-13 18:46:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2021-11-13 18:46:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2021-11-13 18:46:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2021-11-13 18:46:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-11-13 18:46:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-11-13 18:46:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2021-11-13 18:46:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2021-11-13 18:46:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2021-11-13 18:46:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2021-11-13 18:46:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:46:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 18:46:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 18:46:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2021-11-13 18:46:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2021-11-13 18:46:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:46:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-13 18:46:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-13 18:46:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-13 18:46:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-13 18:46:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-11-13 18:46:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-11-13 18:46:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2021-11-13 18:46:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2021-11-13 18:46:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2021-11-13 18:46:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2021-11-13 18:46:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-11-13 18:46:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-11-13 18:46:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2021-11-13 18:46:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2021-11-13 18:46:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2021-11-13 18:46:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2021-11-13 18:46:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:46:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2021-11-13 18:46:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2021-11-13 18:46:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2021-11-13 18:46:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2021-11-13 18:46:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2021-11-13 18:46:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2021-11-13 18:46:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2021-11-13 18:46:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2021-11-13 18:46:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 18:46:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 18:46:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-13 18:46:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-13 18:46:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-13 18:46:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-13 18:46:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2021-11-13 18:46:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2021-11-13 18:46:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-13 18:46:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-13 18:46:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-13 18:46:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-13 18:46:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-11-13 18:46:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-11-13 18:46:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-13 18:46:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-13 18:46:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 18:46:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 18:46:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-13 18:46:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-13 18:46:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2021-11-13 18:46:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2021-11-13 18:46:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-13 18:46:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-13 18:46:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:46:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:46:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2021-11-13 18:46:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2021-11-13 18:46:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-13 18:46:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-13 18:46:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-13 18:46:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-13 18:46:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 18:46:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 18:46:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-13 18:46:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-13 18:46:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-13 18:46:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-13 18:46:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2021-11-13 18:46:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2021-11-13 18:46:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 18:46:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 18:46:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2021-11-13 18:46:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2021-11-13 18:46:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-11-13 18:46:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-11-13 18:46:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2021-11-13 18:46:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2021-11-13 18:46:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-13 18:46:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-13 18:46:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:46:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:46:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-11-13 18:46:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-11-13 18:46:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2021-11-13 18:46:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2021-11-13 18:46:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-11-13 18:46:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-11-13 18:46:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2021-11-13 18:46:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2021-11-13 18:46:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-13 18:46:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-13 18:46:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:46:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2021-11-13 18:46:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2021-11-13 18:46:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-13 18:46:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-13 18:46:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:46:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:46:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2021-11-13 18:46:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2021-11-13 18:46:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-13 18:46:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-13 18:46:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-13 18:46:58,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-13 18:46:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-13 18:46:58,750 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-13 18:46:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-11-13 18:46:58,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-11-13 18:46:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2021-11-13 18:46:58,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2021-11-13 18:46:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-13 18:46:58,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-13 18:46:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2021-11-13 18:46:58,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2021-11-13 18:46:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2021-11-13 18:46:58,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2021-11-13 18:46:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2021-11-13 18:46:58,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2021-11-13 18:46:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2021-11-13 18:46:58,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2021-11-13 18:46:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-13 18:46:58,752 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-13 18:46:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-13 18:46:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-13 18:46:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-13 18:46:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-13 18:46:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2021-11-13 18:46:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2021-11-13 18:46:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2021-11-13 18:46:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2021-11-13 18:46:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2021-11-13 18:46:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2021-11-13 18:46:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-11-13 18:46:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-11-13 18:46:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2021-11-13 18:46:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2021-11-13 18:46:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2021-11-13 18:46:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2021-11-13 18:46:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2021-11-13 18:46:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2021-11-13 18:46:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-13 18:46:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-13 18:46:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 18:46:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 18:46:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-13 18:46:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-13 18:46:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2021-11-13 18:46:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2021-11-13 18:46:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-13 18:46:58,772 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-13 18:46:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2021-11-13 18:46:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2021-11-13 18:46:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:46:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2021-11-13 18:46:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2021-11-13 18:46:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2021-11-13 18:46:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2021-11-13 18:46:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2021-11-13 18:46:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2021-11-13 18:46:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2021-11-13 18:46:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2021-11-13 18:46:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2021-11-13 18:46:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2021-11-13 18:46:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2021-11-13 18:46:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2021-11-13 18:46:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-11-13 18:46:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-13 18:46:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-13 18:47:01,323 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:47:53,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:47:53,872 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 18:47:53,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:47:53 BoogieIcfgContainer [2021-11-13 18:47:53,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:47:53,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:47:53,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:47:53,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:47:53,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:46:48" (1/3) ... [2021-11-13 18:47:53,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77aaba95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:47:53, skipping insertion in model container [2021-11-13 18:47:53,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:46:56" (2/3) ... [2021-11-13 18:47:53,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77aaba95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:47:53, skipping insertion in model container [2021-11-13 18:47:53,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:47:53" (3/3) ... [2021-11-13 18:47:53,897 INFO L111 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 [2021-11-13 18:47:53,903 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:47:53,903 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:47:53,986 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:47:53,998 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:47:53,998 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:47:54,113 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) [2021-11-13 18:47:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 18:47:54,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:47:54,136 INFO L514 BasicCegarLoop]: 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] [2021-11-13 18:47:54,137 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:47:54,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:47:54,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1753720139, now seen corresponding path program 1 times [2021-11-13 18:47:54,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:47:54,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937949195] [2021-11-13 18:47:54,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:47:54,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:47:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:47:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:47:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:47:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:47:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:47:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 18:47:55,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:47:55,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937949195] [2021-11-13 18:47:55,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937949195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:47:55,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:47:55,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:47:55,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107159459] [2021-11-13 18:47:55,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:47:55,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:47:55,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:47:55,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:47:55,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:47:55,695 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) [2021-11-13 18:47:57,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:00,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:10,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:23,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:48:23,859 INFO L93 Difference]: Finished difference Result 14570 states and 22401 transitions. [2021-11-13 18:48:23,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:48:23,862 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 [2021-11-13 18:48:23,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:48:24,007 INFO L225 Difference]: With dead ends: 14570 [2021-11-13 18:48:24,007 INFO L226 Difference]: Without dead ends: 9985 [2021-11-13 18:48:24,075 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:48:24,082 INFO L933 BasicCegarLoop]: 7360 mSDtfsCounter, 8729 mSDsluCounter, 8562 mSDsCounter, 0 mSdLazyCounter, 4675 mSolverCounterSat, 3642 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24328.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9657 SdHoareTripleChecker+Valid, 15922 SdHoareTripleChecker+Invalid, 8320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 202.69ms SdHoareTripleChecker+Time, 3642 IncrementalHoareTripleChecker+Valid, 4675 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26939.75ms IncrementalHoareTripleChecker+Time [2021-11-13 18:48:24,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9657 Valid, 15922 Invalid, 8320 Unknown, 0 Unchecked, 202.69ms Time], IncrementalHoareTripleChecker [3642 Valid, 4675 Invalid, 3 Unknown, 0 Unchecked, 26939.75ms Time] [2021-11-13 18:48:24,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9985 states. [2021-11-13 18:48:24,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9985 to 8966. [2021-11-13 18:48:24,872 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) [2021-11-13 18:48:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8966 states to 8966 states and 12995 transitions. [2021-11-13 18:48:24,963 INFO L78 Accepts]: Start accepts. Automaton has 8966 states and 12995 transitions. Word has length 41 [2021-11-13 18:48:24,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:48:24,964 INFO L470 AbstractCegarLoop]: Abstraction has 8966 states and 12995 transitions. [2021-11-13 18:48:24,965 INFO L471 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) [2021-11-13 18:48:24,965 INFO L276 IsEmpty]: Start isEmpty. Operand 8966 states and 12995 transitions. [2021-11-13 18:48:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 18:48:24,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:48:24,974 INFO L514 BasicCegarLoop]: 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] [2021-11-13 18:48:24,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:48:24,975 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:48:24,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:24,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1297931261, now seen corresponding path program 1 times [2021-11-13 18:48:24,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:24,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448252659] [2021-11-13 18:48:24,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:24,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:25,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:48:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:48:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:48:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 18:48:26,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:26,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448252659] [2021-11-13 18:48:26,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448252659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:26,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:26,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:48:26,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611713025] [2021-11-13 18:48:26,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:26,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:48:26,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:48:26,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:48:26,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:48:26,114 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) [2021-11-13 18:48:28,317 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:42,575 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:45,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:51,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:53,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:01,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:49:01,077 INFO L93 Difference]: Finished difference Result 28889 states and 43826 transitions. [2021-11-13 18:49:01,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:49:01,079 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 [2021-11-13 18:49:01,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:49:01,297 INFO L225 Difference]: With dead ends: 28889 [2021-11-13 18:49:01,297 INFO L226 Difference]: Without dead ends: 19925 [2021-11-13 18:49:01,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:49:01,388 INFO L933 BasicCegarLoop]: 7862 mSDtfsCounter, 8618 mSDsluCounter, 23333 mSDsCounter, 0 mSdLazyCounter, 8006 mSolverCounterSat, 3598 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30460.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9485 SdHoareTripleChecker+Valid, 31195 SdHoareTripleChecker+Invalid, 11607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 176.85ms SdHoareTripleChecker+Time, 3598 IncrementalHoareTripleChecker+Valid, 8006 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33673.03ms IncrementalHoareTripleChecker+Time [2021-11-13 18:49:01,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9485 Valid, 31195 Invalid, 11607 Unknown, 0 Unchecked, 176.85ms Time], IncrementalHoareTripleChecker [3598 Valid, 8006 Invalid, 3 Unknown, 0 Unchecked, 33673.03ms Time] [2021-11-13 18:49:01,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19925 states. [2021-11-13 18:49:02,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19925 to 18184. [2021-11-13 18:49:02,663 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) [2021-11-13 18:49:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18184 states to 18184 states and 27053 transitions. [2021-11-13 18:49:02,782 INFO L78 Accepts]: Start accepts. Automaton has 18184 states and 27053 transitions. Word has length 51 [2021-11-13 18:49:02,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:49:02,783 INFO L470 AbstractCegarLoop]: Abstraction has 18184 states and 27053 transitions. [2021-11-13 18:49:02,783 INFO L471 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) [2021-11-13 18:49:02,783 INFO L276 IsEmpty]: Start isEmpty. Operand 18184 states and 27053 transitions. [2021-11-13 18:49:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 18:49:02,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:49:02,811 INFO L514 BasicCegarLoop]: 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] [2021-11-13 18:49:02,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:49:02,812 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:49:02,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:02,812 INFO L85 PathProgramCache]: Analyzing trace with hash -930218019, now seen corresponding path program 1 times [2021-11-13 18:49:02,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:49:02,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955191933] [2021-11-13 18:49:02,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:02,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:49:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:49:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:49:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-13 18:49:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-13 18:49:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-13 18:49:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-13 18:49:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:49:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:49:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-13 18:49:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:49:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:49:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:49:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:49:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:49:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:49:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:49:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-13 18:49:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-13 18:49:04,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:49:04,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955191933] [2021-11-13 18:49:04,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955191933] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:49:04,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:49:04,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:49:04,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874651324] [2021-11-13 18:49:04,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:49:04,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:49:04,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:49:04,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:49:04,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:49:04,042 INFO L87 Difference]: Start difference. First operand 18184 states and 27053 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) [2021-11-13 18:49:06,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:08,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:22,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:42,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:49:42,182 INFO L93 Difference]: Finished difference Result 59932 states and 91250 transitions. [2021-11-13 18:49:42,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:49:42,198 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 148 [2021-11-13 18:49:42,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:49:42,512 INFO L225 Difference]: With dead ends: 59932 [2021-11-13 18:49:42,512 INFO L226 Difference]: Without dead ends: 41757 [2021-11-13 18:49:42,606 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:49:42,609 INFO L933 BasicCegarLoop]: 6959 mSDtfsCounter, 15114 mSDsluCounter, 11048 mSDsCounter, 0 mSdLazyCounter, 9046 mSolverCounterSat, 10882 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32742.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16135 SdHoareTripleChecker+Valid, 18007 SdHoareTripleChecker+Invalid, 19931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 145.37ms SdHoareTripleChecker+Time, 10882 IncrementalHoareTripleChecker+Valid, 9046 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36549.84ms IncrementalHoareTripleChecker+Time [2021-11-13 18:49:42,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16135 Valid, 18007 Invalid, 19931 Unknown, 0 Unchecked, 145.37ms Time], IncrementalHoareTripleChecker [10882 Valid, 9046 Invalid, 3 Unknown, 0 Unchecked, 36549.84ms Time] [2021-11-13 18:49:42,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41757 states. [2021-11-13 18:49:44,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41757 to 36702. [2021-11-13 18:49:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36702 states, 24784 states have (on average 1.3441333118140737) internal successors, (33313), 25571 states have internal predecessors, (33313), 9836 states have call successors, (9836), 1938 states have call predecessors, (9836), 2081 states have return successors, (11646), 9697 states have call predecessors, (11646), 9835 states have call successors, (11646) [2021-11-13 18:49:45,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36702 states to 36702 states and 54795 transitions. [2021-11-13 18:49:45,120 INFO L78 Accepts]: Start accepts. Automaton has 36702 states and 54795 transitions. Word has length 148 [2021-11-13 18:49:45,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:49:45,123 INFO L470 AbstractCegarLoop]: Abstraction has 36702 states and 54795 transitions. [2021-11-13 18:49:45,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-11-13 18:49:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 36702 states and 54795 transitions. [2021-11-13 18:49:45,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-13 18:49:45,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:49:45,151 INFO L514 BasicCegarLoop]: 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] [2021-11-13 18:49:45,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:49:45,152 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:49:45,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:45,153 INFO L85 PathProgramCache]: Analyzing trace with hash -2126110880, now seen corresponding path program 1 times [2021-11-13 18:49:45,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:49:45,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568920809] [2021-11-13 18:49:45,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:45,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:49:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:49:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:49:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-13 18:49:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-13 18:49:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-13 18:49:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-13 18:49:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:49:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:49:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-13 18:49:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:49:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:49:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:49:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:49:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:49:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:49:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:49:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-13 18:49:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-13 18:49:46,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:49:46,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568920809] [2021-11-13 18:49:46,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568920809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:49:46,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:49:46,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:49:46,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526101684] [2021-11-13 18:49:46,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:49:46,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:49:46,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:49:46,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:49:46,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:49:46,890 INFO L87 Difference]: Start difference. First operand 36702 states and 54795 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) [2021-11-13 18:49:49,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:59,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:05,001 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:20,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:27,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:50:27,823 INFO L93 Difference]: Finished difference Result 119780 states and 182496 transitions. [2021-11-13 18:50:27,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:50:27,824 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 [2021-11-13 18:50:27,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:50:28,788 INFO L225 Difference]: With dead ends: 119780 [2021-11-13 18:50:28,788 INFO L226 Difference]: Without dead ends: 83087 [2021-11-13 18:50:28,958 INFO L932 BasicCegarLoop]: 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 [2021-11-13 18:50:28,959 INFO L933 BasicCegarLoop]: 7067 mSDtfsCounter, 12335 mSDsluCounter, 13447 mSDsCounter, 0 mSdLazyCounter, 11597 mSolverCounterSat, 7649 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33651.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13355 SdHoareTripleChecker+Valid, 20514 SdHoareTripleChecker+Invalid, 19248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 161.04ms SdHoareTripleChecker+Time, 7649 IncrementalHoareTripleChecker+Valid, 11597 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37916.81ms IncrementalHoareTripleChecker+Time [2021-11-13 18:50:28,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13355 Valid, 20514 Invalid, 19248 Unknown, 0 Unchecked, 161.04ms Time], IncrementalHoareTripleChecker [7649 Valid, 11597 Invalid, 2 Unknown, 0 Unchecked, 37916.81ms Time] [2021-11-13 18:50:29,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83087 states. [2021-11-13 18:50:32,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83087 to 72992. [2021-11-13 18:50:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72992 states, 49286 states have (on average 1.3441342369029745) internal successors, (66247), 50861 states have internal predecessors, (66247), 19544 states have call successors, (19544), 3874 states have call predecessors, (19544), 4161 states have return successors, (23140), 19265 states have call predecessors, (23140), 19543 states have call successors, (23140) [2021-11-13 18:50:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72992 states to 72992 states and 108931 transitions. [2021-11-13 18:50:34,192 INFO L78 Accepts]: Start accepts. Automaton has 72992 states and 108931 transitions. Word has length 147 [2021-11-13 18:50:34,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:50:34,192 INFO L470 AbstractCegarLoop]: Abstraction has 72992 states and 108931 transitions. [2021-11-13 18:50:34,192 INFO L471 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) [2021-11-13 18:50:34,193 INFO L276 IsEmpty]: Start isEmpty. Operand 72992 states and 108931 transitions. [2021-11-13 18:50:34,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-13 18:50:34,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:50:34,216 INFO L514 BasicCegarLoop]: 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] [2021-11-13 18:50:34,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:50:34,217 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:50:34,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:34,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1159374282, now seen corresponding path program 1 times [2021-11-13 18:50:34,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:34,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39036943] [2021-11-13 18:50:34,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:34,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:50:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:34,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:50:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:34,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 18:50:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-13 18:50:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 18:50:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-13 18:50:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:50:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:50:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:50:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-13 18:50:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:50:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-13 18:50:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:35,577 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-13 18:50:35,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:50:35,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39036943] [2021-11-13 18:50:35,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39036943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:50:35,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:50:35,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:50:35,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848817823] [2021-11-13 18:50:35,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:50:35,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:50:35,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:50:35,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:50:35,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:50:35,581 INFO L87 Difference]: Start difference. First operand 72992 states and 108931 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) [2021-11-13 18:50:37,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:50,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:56,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:25,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:51:25,609 INFO L93 Difference]: Finished difference Result 238114 states and 362612 transitions. [2021-11-13 18:51:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:51:25,612 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 [2021-11-13 18:51:25,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:51:27,120 INFO L225 Difference]: With dead ends: 238114 [2021-11-13 18:51:27,120 INFO L226 Difference]: Without dead ends: 165131 [2021-11-13 18:51:27,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:51:27,416 INFO L933 BasicCegarLoop]: 7112 mSDtfsCounter, 9486 mSDsluCounter, 16035 mSDsCounter, 0 mSdLazyCounter, 14932 mSolverCounterSat, 4393 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38711.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10504 SdHoareTripleChecker+Valid, 23147 SdHoareTripleChecker+Invalid, 19327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 186.17ms SdHoareTripleChecker+Time, 4393 IncrementalHoareTripleChecker+Valid, 14932 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43654.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:51:27,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10504 Valid, 23147 Invalid, 19327 Unknown, 0 Unchecked, 186.17ms Time], IncrementalHoareTripleChecker [4393 Valid, 14932 Invalid, 2 Unknown, 0 Unchecked, 43654.00ms Time] [2021-11-13 18:51:27,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165131 states. [2021-11-13 18:51:34,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165131 to 144944. [2021-11-13 18:51:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144944 states, 97902 states have (on average 1.3445179873751303) internal successors, (131631), 101053 states have internal predecessors, (131631), 38720 states have call successors, (38720), 7746 states have call predecessors, (38720), 8321 states have return successors, (45852), 38161 states have call predecessors, (45852), 38719 states have call successors, (45852) [2021-11-13 18:51:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144944 states to 144944 states and 216203 transitions. [2021-11-13 18:51:36,333 INFO L78 Accepts]: Start accepts. Automaton has 144944 states and 216203 transitions. Word has length 151 [2021-11-13 18:51:36,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:51:36,333 INFO L470 AbstractCegarLoop]: Abstraction has 144944 states and 216203 transitions. [2021-11-13 18:51:36,333 INFO L471 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) [2021-11-13 18:51:36,333 INFO L276 IsEmpty]: Start isEmpty. Operand 144944 states and 216203 transitions. [2021-11-13 18:51:36,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-13 18:51:36,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:51:36,357 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:51:36,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:51:36,359 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:51:36,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:51:36,360 INFO L85 PathProgramCache]: Analyzing trace with hash -172400043, now seen corresponding path program 1 times [2021-11-13 18:51:36,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:51:36,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398998769] [2021-11-13 18:51:36,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:51:36,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:51:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:36,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:51:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:36,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:51:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:51:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:37,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:51:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:37,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:51:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:51:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:37,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:51:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 18:51:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:51:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:38,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:51:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:51:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:38,457 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 18:51:38,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:51:38,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398998769] [2021-11-13 18:51:38,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398998769] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:51:38,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939765556] [2021-11-13 18:51:38,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:51:38,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:51:38,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:51:38,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:51:38,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c6dd63-513c-40ae-b3bb-91d777791b31/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 18:51:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:42,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 7727 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:51:42,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:51:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 18:51:42,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:51:42,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939765556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:51:42,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:51:42,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2021-11-13 18:51:42,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008688544] [2021-11-13 18:51:42,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:51:42,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:51:42,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:51:42,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:51:42,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-11-13 18:51:42,783 INFO L87 Difference]: Start difference. First operand 144944 states and 216203 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-13 18:51:53,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:51:53,459 INFO L93 Difference]: Finished difference Result 432538 states and 645320 transitions. [2021-11-13 18:51:53,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:51:53,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2021-11-13 18:51:53,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted.