./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--zd1211rw--zd1211rw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/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--zd1211rw--zd1211rw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa --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 44610cb4431513b4b9429bb48b9c496068c0f3a3836e87f731a95bf3b77832c9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:12:51,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:12:51,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:12:51,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:12:51,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:12:51,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:12:51,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:12:51,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:12:51,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:12:51,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:12:51,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:12:51,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:12:51,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:12:51,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:12:51,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:12:51,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:12:51,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:12:51,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:12:51,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:12:51,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:12:51,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:12:51,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:12:51,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:12:51,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:12:51,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:12:51,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:12:51,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:12:51,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:12:51,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:12:51,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:12:51,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:12:51,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:12:51,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:12:51,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:12:51,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:12:51,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:12:51,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:12:51,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:12:51,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:12:51,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:12:51,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:12:51,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 18:12:51,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:12:51,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:12:51,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:12:51,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:12:51,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:12:51,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:12:51,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:12:51,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:12:51,314 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:12:51,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:12:51,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:12:51,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:12:51,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:12:51,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:12:51,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:12:51,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:12:51,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:12:51,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:12:51,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:12:51,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:12:51,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:12:51,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:12:51,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:12:51,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:12:51,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:12:51,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:12:51,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:12:51,317 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:12:51,317 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:12:51,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:12:51,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:12:51,317 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_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44610cb4431513b4b9429bb48b9c496068c0f3a3836e87f731a95bf3b77832c9 [2021-12-06 18:12:51,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:12:51,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:12:51,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:12:51,497 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:12:51,497 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:12:51,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-06 18:12:51,547 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/data/21098fdf3/a4c72b6e09a64c76bf6d8d95eae9769b/FLAG502b85926 [2021-12-06 18:12:52,267 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:12:52,268 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-06 18:12:52,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/data/21098fdf3/a4c72b6e09a64c76bf6d8d95eae9769b/FLAG502b85926 [2021-12-06 18:12:52,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/data/21098fdf3/a4c72b6e09a64c76bf6d8d95eae9769b [2021-12-06 18:12:52,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:12:52,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:12:52,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:12:52,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:12:52,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:12:52,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:12:52" (1/1) ... [2021-12-06 18:12:52,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed5e09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:52, skipping insertion in model container [2021-12-06 18:12:52,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:12:52" (1/1) ... [2021-12-06 18:12:52,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:12:52,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:12:53,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[193558,193571] [2021-12-06 18:12:56,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:12:56,310 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:12:56,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[193558,193571] [2021-12-06 18:12:56,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:12:56,977 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:12:56,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56 WrapperNode [2021-12-06 18:12:56,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:12:56,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:12:56,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:12:56,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:12:56,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56" (1/1) ... [2021-12-06 18:12:57,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56" (1/1) ... [2021-12-06 18:12:57,385 INFO L137 Inliner]: procedures = 537, calls = 8428, calls flagged for inlining = 241, calls inlined = 238, statements flattened = 14899 [2021-12-06 18:12:57,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:12:57,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:12:57,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:12:57,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:12:57,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56" (1/1) ... [2021-12-06 18:12:57,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56" (1/1) ... [2021-12-06 18:12:57,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56" (1/1) ... [2021-12-06 18:12:57,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56" (1/1) ... [2021-12-06 18:12:57,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56" (1/1) ... [2021-12-06 18:12:57,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56" (1/1) ... [2021-12-06 18:12:57,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56" (1/1) ... [2021-12-06 18:12:57,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:12:57,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:12:57,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:12:57,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:12:57,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56" (1/1) ... [2021-12-06 18:12:57,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:12:57,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:12:57,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:12:57,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e6c2d71-eac3-45e9-9eea-9e9e13578db1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:12:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 18:12:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 18:12:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-06 18:12:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-06 18:12:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2021-12-06 18:12:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2021-12-06 18:12:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2021-12-06 18:12:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2021-12-06 18:12:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2021-12-06 18:12:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2021-12-06 18:12:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-06 18:12:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-06 18:12:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-06 18:12:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-06 18:12:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2021-12-06 18:12:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2021-12-06 18:12:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2021-12-06 18:12:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2021-12-06 18:12:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 18:12:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 18:12:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-06 18:12:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-06 18:12:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-06 18:12:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-06 18:12:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2021-12-06 18:12:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2021-12-06 18:12:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2021-12-06 18:12:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2021-12-06 18:12:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2021-12-06 18:12:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2021-12-06 18:12:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2021-12-06 18:12:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2021-12-06 18:12:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2021-12-06 18:12:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2021-12-06 18:12:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2021-12-06 18:12:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2021-12-06 18:12:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2021-12-06 18:12:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2021-12-06 18:12:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2021-12-06 18:12:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2021-12-06 18:12:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 18:12:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 18:12:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2021-12-06 18:12:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2021-12-06 18:12:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2021-12-06 18:12:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2021-12-06 18:12:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2021-12-06 18:12:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2021-12-06 18:12:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 18:12:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2021-12-06 18:12:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2021-12-06 18:12:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-06 18:12:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-06 18:12:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2021-12-06 18:12:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2021-12-06 18:12:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-06 18:12:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-06 18:12:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-06 18:12:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2021-12-06 18:12:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2021-12-06 18:12:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 18:12:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 18:12:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:12:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2021-12-06 18:12:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2021-12-06 18:12:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 18:12:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 18:12:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2021-12-06 18:12:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2021-12-06 18:12:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2021-12-06 18:12:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2021-12-06 18:12:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2021-12-06 18:12:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2021-12-06 18:12:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2021-12-06 18:12:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2021-12-06 18:12:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-06 18:12:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-06 18:12:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 18:12:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 18:12:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2021-12-06 18:12:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2021-12-06 18:12:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-12-06 18:12:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-12-06 18:12:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 18:12:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 18:12:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 18:12:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 18:12:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2021-12-06 18:12:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2021-12-06 18:12:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2021-12-06 18:12:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2021-12-06 18:12:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2021-12-06 18:12:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2021-12-06 18:12:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:12:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2021-12-06 18:12:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2021-12-06 18:12:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2021-12-06 18:12:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2021-12-06 18:12:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2021-12-06 18:12:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2021-12-06 18:12:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2021-12-06 18:12:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2021-12-06 18:12:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2021-12-06 18:12:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2021-12-06 18:12:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2021-12-06 18:12:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2021-12-06 18:12:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 18:12:57,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 18:12:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_24 [2021-12-06 18:12:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_24 [2021-12-06 18:12:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2021-12-06 18:12:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2021-12-06 18:12:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 18:12:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 18:12:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2021-12-06 18:12:57,933 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2021-12-06 18:12:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-06 18:12:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-06 18:12:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2021-12-06 18:12:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2021-12-06 18:12:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2021-12-06 18:12:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2021-12-06 18:12:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-12-06 18:12:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-12-06 18:12:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2021-12-06 18:12:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2021-12-06 18:12:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:12:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2021-12-06 18:12:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2021-12-06 18:12:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2021-12-06 18:12:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2021-12-06 18:12:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-06 18:12:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-06 18:12:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2021-12-06 18:12:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2021-12-06 18:12:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2021-12-06 18:12:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2021-12-06 18:12:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:12:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-06 18:12:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-06 18:12:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2021-12-06 18:12:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2021-12-06 18:12:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 18:12:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2021-12-06 18:12:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2021-12-06 18:12:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 18:12:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:12:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:12:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-06 18:12:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-06 18:12:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2021-12-06 18:12:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2021-12-06 18:12:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2021-12-06 18:12:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2021-12-06 18:12:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:12:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:12:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2021-12-06 18:12:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2021-12-06 18:12:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-06 18:12:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-06 18:12:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2021-12-06 18:12:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2021-12-06 18:12:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2021-12-06 18:12:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2021-12-06 18:12:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2021-12-06 18:12:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2021-12-06 18:12:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-06 18:12:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-06 18:12:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2021-12-06 18:12:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2021-12-06 18:12:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2021-12-06 18:12:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2021-12-06 18:12:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2021-12-06 18:12:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2021-12-06 18:12:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2021-12-06 18:12:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2021-12-06 18:12:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2021-12-06 18:12:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2021-12-06 18:12:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2021-12-06 18:12:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2021-12-06 18:12:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-06 18:12:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-06 18:12:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 18:12:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 18:12:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2021-12-06 18:12:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2021-12-06 18:12:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 18:12:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 18:12:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2021-12-06 18:12:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2021-12-06 18:12:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2021-12-06 18:12:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2021-12-06 18:12:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-06 18:12:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-06 18:12:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2021-12-06 18:12:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2021-12-06 18:12:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 18:12:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 18:12:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 18:12:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 18:12:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2021-12-06 18:12:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2021-12-06 18:12:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-06 18:12:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-06 18:12:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-06 18:12:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-06 18:12:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2021-12-06 18:12:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2021-12-06 18:12:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2021-12-06 18:12:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2021-12-06 18:12:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:12:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:12:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-06 18:12:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-06 18:12:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2021-12-06 18:12:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2021-12-06 18:12:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-06 18:12:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-06 18:12:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 18:12:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 18:12:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2021-12-06 18:12:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2021-12-06 18:12:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2021-12-06 18:12:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2021-12-06 18:12:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2021-12-06 18:12:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2021-12-06 18:12:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 18:12:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 18:12:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2021-12-06 18:12:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2021-12-06 18:12:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 18:12:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 18:12:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-06 18:12:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-06 18:12:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2021-12-06 18:12:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2021-12-06 18:12:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-12-06 18:12:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-12-06 18:12:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-06 18:12:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-06 18:12:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2021-12-06 18:12:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2021-12-06 18:12:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2021-12-06 18:12:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2021-12-06 18:12:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2021-12-06 18:12:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2021-12-06 18:12:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2021-12-06 18:12:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2021-12-06 18:12:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2021-12-06 18:12:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2021-12-06 18:12:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-06 18:12:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-06 18:12:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2021-12-06 18:12:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2021-12-06 18:12:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 18:12:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 18:12:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-06 18:12:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-06 18:12:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 18:12:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 18:12:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2021-12-06 18:12:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2021-12-06 18:12:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 18:12:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 18:12:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 18:12:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 18:12:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2021-12-06 18:12:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2021-12-06 18:12:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2021-12-06 18:12:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2021-12-06 18:12:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 18:12:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 18:12:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-06 18:12:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-06 18:12:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-06 18:12:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-06 18:12:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:12:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 18:12:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 18:12:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2021-12-06 18:12:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2021-12-06 18:12:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2021-12-06 18:12:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2021-12-06 18:12:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2021-12-06 18:12:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2021-12-06 18:12:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 18:12:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-06 18:12:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-06 18:12:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-06 18:12:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-06 18:12:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2021-12-06 18:12:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2021-12-06 18:12:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 18:12:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2021-12-06 18:12:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2021-12-06 18:12:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-06 18:12:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-06 18:12:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-06 18:12:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-06 18:12:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 18:12:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 18:12:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2021-12-06 18:12:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2021-12-06 18:12:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2021-12-06 18:12:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2021-12-06 18:12:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-06 18:12:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-06 18:12:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 18:12:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 18:12:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-06 18:12:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-06 18:12:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2021-12-06 18:12:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2021-12-06 18:12:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-06 18:12:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-06 18:12:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-06 18:12:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-06 18:12:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 18:12:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 18:12:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2021-12-06 18:12:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2021-12-06 18:12:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2021-12-06 18:12:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2021-12-06 18:12:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2021-12-06 18:12:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2021-12-06 18:12:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-12-06 18:12:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-12-06 18:12:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2021-12-06 18:12:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2021-12-06 18:12:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2021-12-06 18:12:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2021-12-06 18:12:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-06 18:12:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-06 18:12:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2021-12-06 18:12:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2021-12-06 18:12:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-06 18:12:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-06 18:12:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 18:12:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 18:12:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2021-12-06 18:12:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2021-12-06 18:12:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-06 18:12:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-06 18:12:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 18:12:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 18:12:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-06 18:12:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-06 18:12:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2021-12-06 18:12:57,958 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2021-12-06 18:12:57,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:12:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2021-12-06 18:12:57,959 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2021-12-06 18:12:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2021-12-06 18:12:57,959 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2021-12-06 18:12:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-06 18:12:57,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-06 18:12:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 18:12:57,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 18:12:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2021-12-06 18:12:57,959 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2021-12-06 18:12:57,959 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2021-12-06 18:12:57,959 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2021-12-06 18:12:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2021-12-06 18:12:57,960 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2021-12-06 18:12:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2021-12-06 18:12:57,960 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2021-12-06 18:12:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2021-12-06 18:12:57,960 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2021-12-06 18:12:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2021-12-06 18:12:57,960 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2021-12-06 18:12:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2021-12-06 18:12:57,960 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2021-12-06 18:12:57,960 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2021-12-06 18:12:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2021-12-06 18:12:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-06 18:12:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-06 18:12:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-06 18:12:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-06 18:12:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2021-12-06 18:12:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2021-12-06 18:12:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2021-12-06 18:12:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2021-12-06 18:12:57,961 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 18:12:57,961 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 18:12:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2021-12-06 18:12:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2021-12-06 18:12:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2021-12-06 18:12:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2021-12-06 18:12:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 18:12:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 18:12:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2021-12-06 18:12:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2021-12-06 18:12:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-12-06 18:12:57,962 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-12-06 18:12:57,962 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 18:12:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 18:12:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2021-12-06 18:12:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2021-12-06 18:12:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2021-12-06 18:12:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2021-12-06 18:12:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2021-12-06 18:12:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2021-12-06 18:12:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2021-12-06 18:12:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2021-12-06 18:12:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:12:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2021-12-06 18:12:57,963 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2021-12-06 18:12:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-06 18:12:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-06 18:12:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2021-12-06 18:12:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2021-12-06 18:12:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-06 18:12:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-06 18:12:58,716 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:12:58,719 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:13:01,251 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 18:16:56,591 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:16:56,613 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:16:56,613 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 18:16:56,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:16:56 BoogieIcfgContainer [2021-12-06 18:16:56,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:16:56,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:16:56,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:16:56,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:16:56,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:12:52" (1/3) ... [2021-12-06 18:16:56,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7d8e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:16:56, skipping insertion in model container [2021-12-06 18:16:56,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:56" (2/3) ... [2021-12-06 18:16:56,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7d8e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:16:56, skipping insertion in model container [2021-12-06 18:16:56,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:16:56" (3/3) ... [2021-12-06 18:16:56,623 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-06 18:16:56,627 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:16:56,627 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:16:56,674 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:16:56,679 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 [2021-12-06 18:16:56,679 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:16:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 3966 states, 2642 states have (on average 1.3198334595003784) internal successors, (3487), 2737 states have internal predecessors, (3487), 1126 states have call successors, (1126), 197 states have call predecessors, (1126), 196 states have return successors, (1122), 1117 states have call predecessors, (1122), 1122 states have call successors, (1122) [2021-12-06 18:16:56,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 18:16:56,750 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:16:56,751 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:16:56,751 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:16:56,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:16:56,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1413315198, now seen corresponding path program 1 times [2021-12-06 18:16:56,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:16:56,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164026951] [2021-12-06 18:16:56,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:16:56,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:16:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:16:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:16:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:16:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 18:16:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:16:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:16:57,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:16:57,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164026951] [2021-12-06 18:16:57,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164026951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:16:57,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:16:57,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:16:57,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815830354] [2021-12-06 18:16:57,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:16:57,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:16:57,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:16:57,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:16:57,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:16:57,752 INFO L87 Difference]: Start difference. First operand has 3966 states, 2642 states have (on average 1.3198334595003784) internal successors, (3487), 2737 states have internal predecessors, (3487), 1126 states have call successors, (1126), 197 states have call predecessors, (1126), 196 states have return successors, (1122), 1117 states have call predecessors, (1122), 1122 states have call successors, (1122) Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 18:17:10,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:17:18,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:17:31,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:17:32,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:17:34,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:17:50,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:17:52,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:17:54,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:17:56,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:17:58,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:18:00,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:18:03,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:18:08,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:18:11,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:18:13,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:18:17,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:18:18,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:18:20,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:18:23,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:18:25,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:18:25,705 INFO L93 Difference]: Finished difference Result 12346 states and 18713 transitions. [2021-12-06 18:18:25,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:18:25,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2021-12-06 18:18:25,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:18:25,787 INFO L225 Difference]: With dead ends: 12346 [2021-12-06 18:18:25,787 INFO L226 Difference]: Without dead ends: 8339 [2021-12-06 18:18:25,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:18:25,825 INFO L933 BasicCegarLoop]: 6712 mSDtfsCounter, 6515 mSDsluCounter, 20736 mSDsCounter, 0 mSdLazyCounter, 5258 mSolverCounterSat, 2917 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7314 SdHoareTripleChecker+Valid, 27448 SdHoareTripleChecker+Invalid, 8187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2917 IncrementalHoareTripleChecker+Valid, 5258 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86.6s IncrementalHoareTripleChecker+Time [2021-12-06 18:18:25,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7314 Valid, 27448 Invalid, 8187 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2917 Valid, 5258 Invalid, 12 Unknown, 0 Unchecked, 86.6s Time] [2021-12-06 18:18:25,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8339 states. [2021-12-06 18:18:26,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8339 to 7942. [2021-12-06 18:18:26,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7942 states, 5291 states have (on average 1.3135513135513135) internal successors, (6950), 5472 states have internal predecessors, (6950), 2249 states have call successors, (2249), 391 states have call predecessors, (2249), 401 states have return successors, (2350), 2244 states have call predecessors, (2350), 2248 states have call successors, (2350) [2021-12-06 18:18:26,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7942 states to 7942 states and 11549 transitions. [2021-12-06 18:18:26,272 INFO L78 Accepts]: Start accepts. Automaton has 7942 states and 11549 transitions. Word has length 33 [2021-12-06 18:18:26,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:18:26,273 INFO L470 AbstractCegarLoop]: Abstraction has 7942 states and 11549 transitions. [2021-12-06 18:18:26,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 18:18:26,273 INFO L276 IsEmpty]: Start isEmpty. Operand 7942 states and 11549 transitions. [2021-12-06 18:18:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-06 18:18:26,296 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:18:26,297 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:18:26,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:18:26,297 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:18:26,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:18:26,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1676881754, now seen corresponding path program 1 times [2021-12-06 18:18:26,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:18:26,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401089861] [2021-12-06 18:18:26,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:18:26,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:18:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:18:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 18:18:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 18:18:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:26,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-06 18:18:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 18:18:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 18:18:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 18:18:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 18:18:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:18:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:18:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 18:18:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 18:18:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 18:18:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 18:18:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 18:18:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 18:18:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 18:18:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 18:18:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 18:18:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 18:18:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:18:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-06 18:18:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:27,605 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-06 18:18:27,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:18:27,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401089861] [2021-12-06 18:18:27,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401089861] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:18:27,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:18:27,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 18:18:27,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146434819] [2021-12-06 18:18:27,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:18:27,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 18:18:27,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:18:27,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 18:18:27,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-06 18:18:27,610 INFO L87 Difference]: Start difference. First operand 7942 states and 11549 transitions. Second operand has 8 states, 8 states have (on average 14.75) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-06 18:18:35,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:18:53,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:19:18,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:19:47,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:19:49,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:20:08,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:20:10,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:20:11,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:20:12,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:20:32,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:20:34,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:20:37,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:20:39,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:20:41,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:20:44,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:01,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:03,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:05,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:08,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:10,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:12,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:17,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:19,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:21,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:27,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:29,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:31,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:38,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:43,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:44,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:46,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:47,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:21:58,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:00,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:03,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:05,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:07,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:10,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:12,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:14,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:16,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:20,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:21,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:24,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:25,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:27,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:22:27,790 INFO L93 Difference]: Finished difference Result 26130 states and 38660 transitions. [2021-12-06 18:22:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 18:22:27,792 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 190 [2021-12-06 18:22:27,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:22:27,906 INFO L225 Difference]: With dead ends: 26130 [2021-12-06 18:22:27,906 INFO L226 Difference]: Without dead ends: 18194 [2021-12-06 18:22:27,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-06 18:22:27,946 INFO L933 BasicCegarLoop]: 7686 mSDtfsCounter, 8000 mSDsluCounter, 13558 mSDsCounter, 0 mSdLazyCounter, 12769 mSolverCounterSat, 4461 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 222.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9012 SdHoareTripleChecker+Valid, 21244 SdHoareTripleChecker+Invalid, 17258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4461 IncrementalHoareTripleChecker+Valid, 12769 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 237.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:22:27,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9012 Valid, 21244 Invalid, 17258 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4461 Valid, 12769 Invalid, 28 Unknown, 0 Unchecked, 237.9s Time] [2021-12-06 18:22:27,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18194 states. [2021-12-06 18:22:28,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18194 to 15651. [2021-12-06 18:22:28,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15651 states, 10406 states have (on average 1.3086680761099365) internal successors, (13618), 10799 states have internal predecessors, (13618), 4412 states have call successors, (4412), 767 states have call predecessors, (4412), 832 states have return successors, (4760), 4423 states have call predecessors, (4760), 4411 states have call successors, (4760) [2021-12-06 18:22:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15651 states to 15651 states and 22790 transitions. [2021-12-06 18:22:28,629 INFO L78 Accepts]: Start accepts. Automaton has 15651 states and 22790 transitions. Word has length 190 [2021-12-06 18:22:28,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:22:28,630 INFO L470 AbstractCegarLoop]: Abstraction has 15651 states and 22790 transitions. [2021-12-06 18:22:28,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-06 18:22:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 15651 states and 22790 transitions. [2021-12-06 18:22:28,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-12-06 18:22:28,652 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:22:28,652 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:22:28,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:22:28,652 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:22:28,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:22:28,653 INFO L85 PathProgramCache]: Analyzing trace with hash 882916107, now seen corresponding path program 1 times [2021-12-06 18:22:28,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:22:28,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776838297] [2021-12-06 18:22:28,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:22:28,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:22:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:22:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 18:22:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-06 18:22:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 18:22:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 18:22:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 18:22:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:22:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 18:22:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-06 18:22:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-06 18:22:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 18:22:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:22:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:22:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 18:22:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 18:22:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 18:22:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 18:22:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 18:22:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 18:22:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 18:22:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 18:22:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 18:22:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:30,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 18:22:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:30,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:22:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:30,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 18:22:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-12-06 18:22:30,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:22:30,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776838297] [2021-12-06 18:22:30,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776838297] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:22:30,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:22:30,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 18:22:30,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744207280] [2021-12-06 18:22:30,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:22:30,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 18:22:30,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:22:30,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 18:22:30,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:22:30,108 INFO L87 Difference]: Start difference. First operand 15651 states and 22790 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 18:22:39,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:22:41,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:00,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:02,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:41,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:43,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:01,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:25,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:26,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:29,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:30,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:31,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:51,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:53,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:55,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:57,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:00,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:02,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:12,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:15,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:17,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:19,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:21,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:24,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:26,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:28,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:32,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:34,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:36,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:38,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:42,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:46,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:47,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:53,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:25:53,016 INFO L93 Difference]: Finished difference Result 33837 states and 49903 transitions. [2021-12-06 18:25:53,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 18:25:53,018 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 221 [2021-12-06 18:25:53,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:25:53,115 INFO L225 Difference]: With dead ends: 33837 [2021-12-06 18:25:53,116 INFO L226 Difference]: Without dead ends: 18186 [2021-12-06 18:25:53,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-06 18:25:53,165 INFO L933 BasicCegarLoop]: 5237 mSDtfsCounter, 3094 mSDsluCounter, 17386 mSDsCounter, 0 mSdLazyCounter, 10830 mSolverCounterSat, 4487 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 188.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3482 SdHoareTripleChecker+Valid, 22623 SdHoareTripleChecker+Invalid, 15340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4487 IncrementalHoareTripleChecker+Valid, 10830 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 201.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:25:53,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3482 Valid, 22623 Invalid, 15340 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4487 Valid, 10830 Invalid, 23 Unknown, 0 Unchecked, 201.0s Time] [2021-12-06 18:25:53,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18186 states. [2021-12-06 18:25:53,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18186 to 15654. [2021-12-06 18:25:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15654 states, 10409 states have (on average 1.3083869728119897) internal successors, (13619), 10802 states have internal predecessors, (13619), 4412 states have call successors, (4412), 767 states have call predecessors, (4412), 832 states have return successors, (4760), 4423 states have call predecessors, (4760), 4411 states have call successors, (4760) [2021-12-06 18:25:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15654 states to 15654 states and 22791 transitions. [2021-12-06 18:25:53,842 INFO L78 Accepts]: Start accepts. Automaton has 15654 states and 22791 transitions. Word has length 221 [2021-12-06 18:25:53,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:25:53,843 INFO L470 AbstractCegarLoop]: Abstraction has 15654 states and 22791 transitions. [2021-12-06 18:25:53,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 18:25:53,843 INFO L276 IsEmpty]: Start isEmpty. Operand 15654 states and 22791 transitions. [2021-12-06 18:25:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-06 18:25:53,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:25:53,867 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:25:53,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:25:53,867 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:25:53,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:25:53,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1761630864, now seen corresponding path program 1 times [2021-12-06 18:25:53,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:25:53,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271502656] [2021-12-06 18:25:53,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:25:53,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:25:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:25:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 18:25:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 18:25:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 18:25:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 18:25:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 18:25:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 18:25:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 18:25:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 18:25:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 18:25:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 18:25:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:25:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-06 18:25:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 18:25:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 18:25:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 18:25:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 18:25:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 18:25:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:54,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 18:25:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:55,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 18:25:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 18:25:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:55,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 18:25:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:55,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 18:25:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:55,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 18:25:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:55,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 18:25:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-06 18:25:55,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:25:55,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271502656] [2021-12-06 18:25:55,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271502656] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:25:55,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:25:55,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 18:25:55,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10817495] [2021-12-06 18:25:55,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:25:55,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 18:25:55,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:25:55,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 18:25:55,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-06 18:25:55,201 INFO L87 Difference]: Start difference. First operand 15654 states and 22791 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 18:26:04,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:11,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:29,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:44,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:47,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []