./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:07:37,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:07:37,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:07:37,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:07:37,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:07:37,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:07:37,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:07:37,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:07:37,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:07:37,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:07:37,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:07:37,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:07:37,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:07:37,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:07:37,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:07:37,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:07:37,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:07:37,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:07:37,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:07:37,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:07:37,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:07:37,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:07:37,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:07:37,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:07:37,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:07:37,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:07:37,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:07:37,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:07:37,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:07:37,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:07:37,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:07:37,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:07:37,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:07:37,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:07:37,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:07:37,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:07:37,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:07:37,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:07:37,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:07:37,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:07:37,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:07:37,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:07:37,925 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:07:37,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:07:37,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:07:37,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:07:37,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:07:37,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:07:37,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:07:37,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:07:37,929 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:07:37,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:07:37,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:07:37,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:07:37,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:07:37,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:07:37,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:07:37,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:07:37,931 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:07:37,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:07:37,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:07:37,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:07:37,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:07:37,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:07:37,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:07:37,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:07:37,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:07:37,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:07:37,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:07:37,934 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:07:37,934 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:07:37,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:07:37,934 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_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2022-11-18 20:07:38,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:07:38,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:07:38,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:07:38,219 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:07:38,220 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:07:38,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-18 20:07:38,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/data/0f84266f0/a86742d4debc4584a0ca7ea92762dd96/FLAGd10e8fb71 [2022-11-18 20:07:39,506 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:07:39,506 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-18 20:07:39,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/data/0f84266f0/a86742d4debc4584a0ca7ea92762dd96/FLAGd10e8fb71 [2022-11-18 20:07:39,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/data/0f84266f0/a86742d4debc4584a0ca7ea92762dd96 [2022-11-18 20:07:39,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:07:39,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:07:39,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:07:39,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:07:39,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:07:39,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:07:39" (1/1) ... [2022-11-18 20:07:39,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3790a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:39, skipping insertion in model container [2022-11-18 20:07:39,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:07:39" (1/1) ... [2022-11-18 20:07:39,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:07:39,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:07:41,369 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-18 20:07:47,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:07:47,474 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:07:47,717 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-18 20:07:48,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:07:48,648 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:07:48,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48 WrapperNode [2022-11-18 20:07:48,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:07:48,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:07:48,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:07:48,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:07:48,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (1/1) ... [2022-11-18 20:07:48,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (1/1) ... [2022-11-18 20:07:49,422 INFO L138 Inliner]: procedures = 713, calls = 6665, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13204 [2022-11-18 20:07:49,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:07:49,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:07:49,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:07:49,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:07:49,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (1/1) ... [2022-11-18 20:07:49,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (1/1) ... [2022-11-18 20:07:49,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (1/1) ... [2022-11-18 20:07:49,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (1/1) ... [2022-11-18 20:07:49,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (1/1) ... [2022-11-18 20:07:49,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (1/1) ... [2022-11-18 20:07:50,021 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (1/1) ... [2022-11-18 20:07:50,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (1/1) ... [2022-11-18 20:07:50,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:07:50,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:07:50,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:07:50,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:07:50,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (1/1) ... [2022-11-18 20:07:50,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:07:50,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:50,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:50,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:07:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-11-18 20:07:50,457 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-11-18 20:07:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-11-18 20:07:50,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-11-18 20:07:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-18 20:07:50,457 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-18 20:07:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-11-18 20:07:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-11-18 20:07:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-11-18 20:07:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-11-18 20:07:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-11-18 20:07:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-11-18 20:07:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-18 20:07:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-18 20:07:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-11-18 20:07:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-11-18 20:07:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-18 20:07:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-18 20:07:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-11-18 20:07:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-11-18 20:07:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-11-18 20:07:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-11-18 20:07:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-18 20:07:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-18 20:07:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-11-18 20:07:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-11-18 20:07:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:07:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:07:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-11-18 20:07:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-11-18 20:07:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-11-18 20:07:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-11-18 20:07:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-11-18 20:07:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-11-18 20:07:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-18 20:07:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-18 20:07:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-11-18 20:07:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-11-18 20:07:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-11-18 20:07:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-11-18 20:07:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-11-18 20:07:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-11-18 20:07:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-11-18 20:07:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-11-18 20:07:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-11-18 20:07:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-11-18 20:07:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 20:07:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 20:07:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-11-18 20:07:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-11-18 20:07:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-11-18 20:07:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-11-18 20:07:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-11-18 20:07:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-11-18 20:07:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-11-18 20:07:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-11-18 20:07:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-11-18 20:07:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-11-18 20:07:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-11-18 20:07:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-11-18 20:07:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-11-18 20:07:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-11-18 20:07:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:07:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:07:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-11-18 20:07:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-11-18 20:07:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-11-18 20:07:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-11-18 20:07:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-11-18 20:07:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-11-18 20:07:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-11-18 20:07:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-11-18 20:07:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-11-18 20:07:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-11-18 20:07:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-11-18 20:07:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-11-18 20:07:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-11-18 20:07:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-11-18 20:07:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-18 20:07:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-18 20:07:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-18 20:07:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:07:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:07:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-11-18 20:07:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-11-18 20:07:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-11-18 20:07:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-11-18 20:07:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-11-18 20:07:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-11-18 20:07:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-11-18 20:07:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-11-18 20:07:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-11-18 20:07:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-11-18 20:07:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:07:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-11-18 20:07:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-11-18 20:07:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-11-18 20:07:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-11-18 20:07:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-18 20:07:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-18 20:07:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 20:07:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 20:07:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-18 20:07:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-18 20:07:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-18 20:07:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-18 20:07:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-11-18 20:07:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-11-18 20:07:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-11-18 20:07:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-11-18 20:07:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:07:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:07:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-11-18 20:07:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-11-18 20:07:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 20:07:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 20:07:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-11-18 20:07:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-11-18 20:07:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-11-18 20:07:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-11-18 20:07:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:07:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-18 20:07:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-18 20:07:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-11-18 20:07:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-11-18 20:07:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-11-18 20:07:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-11-18 20:07:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-11-18 20:07:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-11-18 20:07:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 20:07:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 20:07:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:07:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2022-11-18 20:07:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2022-11-18 20:07:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-11-18 20:07:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-11-18 20:07:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-18 20:07:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-18 20:07:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-11-18 20:07:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-11-18 20:07:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:07:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-18 20:07:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-18 20:07:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:07:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:07:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-18 20:07:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-18 20:07:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-11-18 20:07:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-11-18 20:07:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-11-18 20:07:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-11-18 20:07:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-18 20:07:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-18 20:07:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-18 20:07:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-18 20:07:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 20:07:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 20:07:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-11-18 20:07:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-11-18 20:07:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-18 20:07:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-18 20:07:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-11-18 20:07:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-11-18 20:07:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-11-18 20:07:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-11-18 20:07:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-11-18 20:07:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-11-18 20:07:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 20:07:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 20:07:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-11-18 20:07:50,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-11-18 20:07:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-11-18 20:07:50,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-11-18 20:07:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-11-18 20:07:50,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-11-18 20:07:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-18 20:07:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-18 20:07:50,495 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-18 20:07:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-11-18 20:07:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-11-18 20:07:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:07:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-18 20:07:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-18 20:07:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-18 20:07:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-18 20:07:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-11-18 20:07:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-11-18 20:07:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:07:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-11-18 20:07:50,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-11-18 20:07:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-18 20:07:50,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-18 20:07:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-11-18 20:07:50,497 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-11-18 20:07:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-18 20:07:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-18 20:07:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:07:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:07:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-11-18 20:07:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-11-18 20:07:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:07:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:07:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-18 20:07:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-18 20:07:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-11-18 20:07:50,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-11-18 20:07:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-18 20:07:50,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-18 20:07:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-18 20:07:50,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-18 20:07:50,515 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-11-18 20:07:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-11-18 20:07:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-11-18 20:07:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-11-18 20:07:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 20:07:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 20:07:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-18 20:07:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-18 20:07:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-11-18 20:07:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-11-18 20:07:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-18 20:07:50,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-18 20:07:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 20:07:50,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 20:07:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:07:50,517 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:07:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-18 20:07:50,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-18 20:07:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-11-18 20:07:50,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-11-18 20:07:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-11-18 20:07:50,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-11-18 20:07:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-11-18 20:07:50,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-11-18 20:07:50,518 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-18 20:07:50,518 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-18 20:07:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-11-18 20:07:50,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-11-18 20:07:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-11-18 20:07:50,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-11-18 20:07:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 20:07:50,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 20:07:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 20:07:50,519 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 20:07:50,519 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-11-18 20:07:50,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-11-18 20:07:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-18 20:07:50,520 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-18 20:07:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:07:50,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:07:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-18 20:07:50,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-18 20:07:50,520 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-11-18 20:07:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-11-18 20:07:50,521 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 20:07:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 20:07:50,521 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-11-18 20:07:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-11-18 20:07:50,521 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 20:07:50,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 20:07:50,521 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-11-18 20:07:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-11-18 20:07:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-11-18 20:07:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-11-18 20:07:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-11-18 20:07:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-11-18 20:07:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-18 20:07:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-18 20:07:50,522 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-11-18 20:07:50,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-11-18 20:07:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:07:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:07:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:07:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:07:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-18 20:07:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-18 20:07:50,523 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-11-18 20:07:50,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-11-18 20:07:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-18 20:07:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-18 20:07:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-11-18 20:07:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-11-18 20:07:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-18 20:07:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-18 20:07:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-11-18 20:07:50,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-11-18 20:07:50,524 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-11-18 20:07:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-11-18 20:07:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-11-18 20:07:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-11-18 20:07:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-11-18 20:07:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-11-18 20:07:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-11-18 20:07:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-11-18 20:07:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-11-18 20:07:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-11-18 20:07:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-18 20:07:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-18 20:07:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:07:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:07:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-18 20:07:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-18 20:07:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-18 20:07:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-18 20:07:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:07:50,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:07:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-18 20:07:50,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-18 20:07:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-18 20:07:50,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-18 20:07:50,527 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-11-18 20:07:50,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-11-18 20:07:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:07:50,528 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:07:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-11-18 20:07:50,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-11-18 20:07:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:07:50,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:07:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:07:50,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:07:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-18 20:07:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-18 20:07:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-18 20:07:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-18 20:07:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-11-18 20:07:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-11-18 20:07:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-11-18 20:07:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-11-18 20:07:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-18 20:07:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-18 20:07:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-11-18 20:07:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-11-18 20:07:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-11-18 20:07:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-11-18 20:07:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-18 20:07:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-18 20:07:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-11-18 20:07:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-11-18 20:07:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-11-18 20:07:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-11-18 20:07:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:07:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:07:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:07:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-18 20:07:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-18 20:07:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:07:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-18 20:07:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-18 20:07:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-18 20:07:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-18 20:07:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-18 20:07:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-18 20:07:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-11-18 20:07:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-11-18 20:07:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-11-18 20:07:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-11-18 20:07:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-18 20:07:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-18 20:07:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-11-18 20:07:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-11-18 20:07:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-11-18 20:07:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-11-18 20:07:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:07:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-11-18 20:07:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-11-18 20:07:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-11-18 20:07:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-11-18 20:07:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-11-18 20:07:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-11-18 20:07:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-11-18 20:07:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-11-18 20:07:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:07:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:07:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-18 20:07:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-18 20:07:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 20:07:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 20:07:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-11-18 20:07:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-11-18 20:07:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 20:07:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 20:07:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:07:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:07:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-18 20:07:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-18 20:07:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 20:07:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 20:07:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 20:07:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 20:07:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-18 20:07:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-18 20:07:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-11-18 20:07:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-11-18 20:07:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-18 20:07:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-18 20:07:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 20:07:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 20:07:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-11-18 20:07:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-11-18 20:07:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-18 20:07:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-18 20:07:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-18 20:07:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-18 20:07:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 20:07:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 20:07:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-18 20:07:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-18 20:07:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 20:07:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 20:07:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-11-18 20:07:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-11-18 20:07:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 20:07:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 20:07:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-11-18 20:07:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-11-18 20:07:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-18 20:07:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-18 20:07:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2022-11-18 20:07:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2022-11-18 20:07:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-18 20:07:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-18 20:07:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:07:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:07:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-18 20:07:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-18 20:07:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-11-18 20:07:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-11-18 20:07:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-18 20:07:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-18 20:07:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-11-18 20:07:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-11-18 20:07:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-18 20:07:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-18 20:07:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:07:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-11-18 20:07:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-11-18 20:07:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-18 20:07:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-18 20:07:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:07:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:07:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-11-18 20:07:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-11-18 20:07:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-18 20:07:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-18 20:07:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:07:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:07:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 20:07:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 20:07:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-18 20:07:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-18 20:07:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-11-18 20:07:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-11-18 20:07:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-18 20:07:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-18 20:07:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-11-18 20:07:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-11-18 20:07:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-11-18 20:07:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-11-18 20:07:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-11-18 20:07:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-11-18 20:07:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-11-18 20:07:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-11-18 20:07:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 20:07:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 20:07:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-18 20:07:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-18 20:07:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-18 20:07:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-18 20:07:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-11-18 20:07:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-11-18 20:07:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-11-18 20:07:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-11-18 20:07:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2022-11-18 20:07:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2022-11-18 20:07:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-18 20:07:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-18 20:07:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-11-18 20:07:50,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-11-18 20:07:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-11-18 20:07:50,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-11-18 20:07:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-11-18 20:07:50,562 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-11-18 20:07:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 20:07:50,562 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 20:07:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:07:50,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:07:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-18 20:07:50,563 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-18 20:07:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-11-18 20:07:50,563 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-11-18 20:07:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-18 20:07:50,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-18 20:07:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-11-18 20:07:50,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-11-18 20:07:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:07:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-11-18 20:07:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-11-18 20:07:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-11-18 20:07:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-11-18 20:07:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-11-18 20:07:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-11-18 20:07:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-11-18 20:07:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-11-18 20:07:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-11-18 20:07:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-11-18 20:07:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-11-18 20:07:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-11-18 20:07:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-18 20:07:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-18 20:07:50,565 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-18 20:07:52,560 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:07:52,566 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:07:53,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:08:08,454 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:08:08,479 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:08:08,479 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:08:08,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:08:08 BoogieIcfgContainer [2022-11-18 20:08:08,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:08:08,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:08:08,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:08:08,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:08:08,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:07:39" (1/3) ... [2022-11-18 20:08:08,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312afd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:08:08, skipping insertion in model container [2022-11-18 20:08:08,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:48" (2/3) ... [2022-11-18 20:08:08,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312afd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:08:08, skipping insertion in model container [2022-11-18 20:08:08,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:08:08" (3/3) ... [2022-11-18 20:08:08,497 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-18 20:08:08,518 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:08:08,519 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:08:08,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:08:08,647 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23896b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:08:08,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:08:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 4570 states, 3075 states have (on average 1.3560975609756099) internal successors, (4170), 3184 states have internal predecessors, (4170), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) [2022-11-18 20:08:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-18 20:08:08,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:08,682 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:08,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:08:08,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:08,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1802333508, now seen corresponding path program 1 times [2022-11-18 20:08:08,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:08,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504077661] [2022-11-18 20:08:08,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:08,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:10,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:08:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:08:10,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:10,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504077661] [2022-11-18 20:08:10,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504077661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:10,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:08:10,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:08:10,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560870235] [2022-11-18 20:08:10,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:10,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:08:10,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:10,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:08:10,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:08:10,203 INFO L87 Difference]: Start difference. First operand has 4570 states, 3075 states have (on average 1.3560975609756099) internal successors, (4170), 3184 states have internal predecessors, (4170), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:08:21,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:37,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:37,158 INFO L93 Difference]: Finished difference Result 14610 states and 22532 transitions. [2022-11-18 20:08:37,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:08:37,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-18 20:08:37,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:37,289 INFO L225 Difference]: With dead ends: 14610 [2022-11-18 20:08:37,289 INFO L226 Difference]: Without dead ends: 10005 [2022-11-18 20:08:37,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:08:37,350 INFO L413 NwaCegarLoop]: 6688 mSDtfsCounter, 8924 mSDsluCounter, 7852 mSDsCounter, 0 mSdLazyCounter, 6167 mSolverCounterSat, 3479 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9849 SdHoareTripleChecker+Valid, 14540 SdHoareTripleChecker+Invalid, 9647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3479 IncrementalHoareTripleChecker+Valid, 6167 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:37,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9849 Valid, 14540 Invalid, 9647 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3479 Valid, 6167 Invalid, 1 Unknown, 0 Unchecked, 25.4s Time] [2022-11-18 20:08:37,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10005 states. [2022-11-18 20:08:38,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10005 to 9006. [2022-11-18 20:08:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9006 states, 6079 states have (on average 1.345287053791742) internal successors, (8178), 6262 states have internal predecessors, (8178), 2441 states have call successors, (2441), 486 states have call predecessors, (2441), 485 states have return successors, (2440), 2386 states have call predecessors, (2440), 2440 states have call successors, (2440) [2022-11-18 20:08:38,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9006 states to 9006 states and 13059 transitions. [2022-11-18 20:08:38,136 INFO L78 Accepts]: Start accepts. Automaton has 9006 states and 13059 transitions. Word has length 41 [2022-11-18 20:08:38,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:38,137 INFO L495 AbstractCegarLoop]: Abstraction has 9006 states and 13059 transitions. [2022-11-18 20:08:38,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:08:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 9006 states and 13059 transitions. [2022-11-18 20:08:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-18 20:08:38,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:38,152 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:38,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:08:38,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:08:38,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:38,153 INFO L85 PathProgramCache]: Analyzing trace with hash 651279805, now seen corresponding path program 1 times [2022-11-18 20:08:38,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:38,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300925762] [2022-11-18 20:08:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:38,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:08:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:08:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:39,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:08:39,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:39,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300925762] [2022-11-18 20:08:39,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300925762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:39,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:08:39,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:08:39,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562355262] [2022-11-18 20:08:39,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:39,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:08:39,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:39,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:08:39,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:08:39,611 INFO L87 Difference]: Start difference. First operand 9006 states and 13059 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:09:04,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:09:13,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:09:13,833 INFO L93 Difference]: Finished difference Result 28969 states and 43958 transitions. [2022-11-18 20:09:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:09:13,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-18 20:09:13,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:09:14,041 INFO L225 Difference]: With dead ends: 28969 [2022-11-18 20:09:14,041 INFO L226 Difference]: Without dead ends: 19965 [2022-11-18 20:09:14,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:09:14,117 INFO L413 NwaCegarLoop]: 7121 mSDtfsCounter, 8848 mSDsluCounter, 20023 mSDsCounter, 0 mSdLazyCounter, 12335 mSolverCounterSat, 3452 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9717 SdHoareTripleChecker+Valid, 27144 SdHoareTripleChecker+Invalid, 15788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3452 IncrementalHoareTripleChecker+Valid, 12335 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:09:14,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9717 Valid, 27144 Invalid, 15788 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3452 Valid, 12335 Invalid, 1 Unknown, 0 Unchecked, 32.5s Time] [2022-11-18 20:09:14,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19965 states. [2022-11-18 20:09:15,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19965 to 18260. [2022-11-18 20:09:15,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18260 states, 12332 states have (on average 1.344712941939669) internal successors, (16583), 12715 states have internal predecessors, (16583), 4914 states have call successors, (4914), 970 states have call predecessors, (4914), 1013 states have return successors, (5678), 4833 states have call predecessors, (5678), 4913 states have call successors, (5678) [2022-11-18 20:09:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18260 states to 18260 states and 27175 transitions. [2022-11-18 20:09:15,654 INFO L78 Accepts]: Start accepts. Automaton has 18260 states and 27175 transitions. Word has length 51 [2022-11-18 20:09:15,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:09:15,656 INFO L495 AbstractCegarLoop]: Abstraction has 18260 states and 27175 transitions. [2022-11-18 20:09:15,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:09:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 18260 states and 27175 transitions. [2022-11-18 20:09:15,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-18 20:09:15,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:09:15,679 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:09:15,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:09:15,682 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:09:15,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:15,683 INFO L85 PathProgramCache]: Analyzing trace with hash -2040214340, now seen corresponding path program 1 times [2022-11-18 20:09:15,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:15,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933523999] [2022-11-18 20:09:15,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:15,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:09:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:09:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:09:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 20:09:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:09:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 20:09:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:09:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 20:09:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:09:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:09:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:09:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-18 20:09:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-18 20:09:16,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:16,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933523999] [2022-11-18 20:09:16,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933523999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:09:16,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:09:16,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:09:16,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090022730] [2022-11-18 20:09:16,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:09:16,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:09:16,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:16,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:09:16,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:09:16,940 INFO L87 Difference]: Start difference. First operand 18260 states and 27175 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 20:09:32,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:09:47,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:09:54,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:09:54,998 INFO L93 Difference]: Finished difference Result 60072 states and 91484 transitions. [2022-11-18 20:09:54,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:09:54,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2022-11-18 20:09:54,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:09:55,339 INFO L225 Difference]: With dead ends: 60072 [2022-11-18 20:09:55,339 INFO L226 Difference]: Without dead ends: 41821 [2022-11-18 20:09:55,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:09:55,685 INFO L413 NwaCegarLoop]: 6197 mSDtfsCounter, 15589 mSDsluCounter, 9926 mSDsCounter, 0 mSdLazyCounter, 10109 mSolverCounterSat, 10688 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16602 SdHoareTripleChecker+Valid, 16123 SdHoareTripleChecker+Invalid, 20798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10688 IncrementalHoareTripleChecker+Valid, 10109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:09:55,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16602 Valid, 16123 Invalid, 20798 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10688 Valid, 10109 Invalid, 1 Unknown, 0 Unchecked, 35.7s Time] [2022-11-18 20:09:55,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41821 states. [2022-11-18 20:09:58,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41821 to 36838. [2022-11-18 20:09:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36838 states, 24920 states have (on average 1.345626003210273) internal successors, (33533), 25707 states have internal predecessors, (33533), 9836 states have call successors, (9836), 1938 states have call predecessors, (9836), 2081 states have return successors, (11646), 9697 states have call predecessors, (11646), 9835 states have call successors, (11646) [2022-11-18 20:09:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36838 states to 36838 states and 55015 transitions. [2022-11-18 20:09:58,772 INFO L78 Accepts]: Start accepts. Automaton has 36838 states and 55015 transitions. Word has length 148 [2022-11-18 20:09:58,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:09:58,773 INFO L495 AbstractCegarLoop]: Abstraction has 36838 states and 55015 transitions. [2022-11-18 20:09:58,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 20:09:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 36838 states and 55015 transitions. [2022-11-18 20:09:58,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-18 20:09:58,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:09:58,798 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:09:58,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:09:58,799 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:09:58,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:58,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1393947615, now seen corresponding path program 1 times [2022-11-18 20:09:58,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:58,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770915282] [2022-11-18 20:09:58,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:58,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:09:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:09:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 20:09:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:09:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:09:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:09:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:09:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:09:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:09:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:59,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:00,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 20:10:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:10:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:10:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-18 20:10:00,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:00,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770915282] [2022-11-18 20:10:00,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770915282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:00,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:00,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:10:00,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844259164] [2022-11-18 20:10:00,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:00,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:10:00,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:00,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:10:00,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:10:00,096 INFO L87 Difference]: Start difference. First operand 36838 states and 55015 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 20:10:11,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:13,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:17,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:38,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:38,062 INFO L93 Difference]: Finished difference Result 120044 states and 182940 transitions. [2022-11-18 20:10:38,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:10:38,063 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2022-11-18 20:10:38,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:38,931 INFO L225 Difference]: With dead ends: 120044 [2022-11-18 20:10:38,931 INFO L226 Difference]: Without dead ends: 83215 [2022-11-18 20:10:39,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:10:39,150 INFO L413 NwaCegarLoop]: 6228 mSDtfsCounter, 15625 mSDsluCounter, 9950 mSDsCounter, 0 mSdLazyCounter, 10125 mSolverCounterSat, 10717 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16661 SdHoareTripleChecker+Valid, 16178 SdHoareTripleChecker+Invalid, 20843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10717 IncrementalHoareTripleChecker+Valid, 10125 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:39,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16661 Valid, 16178 Invalid, 20843 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10717 Valid, 10125 Invalid, 1 Unknown, 0 Unchecked, 33.6s Time] [2022-11-18 20:10:39,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83215 states. [2022-11-18 20:10:43,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83215 to 73264. [2022-11-18 20:10:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73264 states, 49558 states have (on average 1.3456354170870495) internal successors, (66687), 51133 states have internal predecessors, (66687), 19544 states have call successors, (19544), 3874 states have call predecessors, (19544), 4161 states have return successors, (23140), 19265 states have call predecessors, (23140), 19543 states have call successors, (23140) [2022-11-18 20:10:44,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73264 states to 73264 states and 109371 transitions. [2022-11-18 20:10:44,529 INFO L78 Accepts]: Start accepts. Automaton has 73264 states and 109371 transitions. Word has length 147 [2022-11-18 20:10:44,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:44,529 INFO L495 AbstractCegarLoop]: Abstraction has 73264 states and 109371 transitions. [2022-11-18 20:10:44,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 20:10:44,530 INFO L276 IsEmpty]: Start isEmpty. Operand 73264 states and 109371 transitions. [2022-11-18 20:10:44,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-18 20:10:44,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:44,554 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:44,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:10:44,555 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:44,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:44,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1280269943, now seen corresponding path program 1 times [2022-11-18 20:10:44,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:44,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779464708] [2022-11-18 20:10:44,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:44,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:10:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:10:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 20:10:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:10:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 20:10:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-18 20:10:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:10:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 20:10:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:10:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:10:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:10:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-18 20:10:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-18 20:10:45,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:45,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779464708] [2022-11-18 20:10:45,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779464708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:45,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:45,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:10:45,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720235068] [2022-11-18 20:10:45,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:45,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:10:45,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:45,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:10:45,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:10:45,959 INFO L87 Difference]: Start difference. First operand 73264 states and 109371 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 20:10:57,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:02,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:28,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:11:28,922 INFO L93 Difference]: Finished difference Result 238642 states and 363500 transitions. [2022-11-18 20:11:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:11:28,923 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2022-11-18 20:11:28,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:11:30,651 INFO L225 Difference]: With dead ends: 238642 [2022-11-18 20:11:30,651 INFO L226 Difference]: Without dead ends: 165387 [2022-11-18 20:11:31,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:11:31,212 INFO L413 NwaCegarLoop]: 6309 mSDtfsCounter, 15524 mSDsluCounter, 10058 mSDsCounter, 0 mSdLazyCounter, 10116 mSolverCounterSat, 10595 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16535 SdHoareTripleChecker+Valid, 16367 SdHoareTripleChecker+Invalid, 20712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10595 IncrementalHoareTripleChecker+Valid, 10116 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:11:31,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16535 Valid, 16367 Invalid, 20712 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10595 Valid, 10116 Invalid, 1 Unknown, 0 Unchecked, 33.6s Time] [2022-11-18 20:11:31,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165387 states. [2022-11-18 20:11:41,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165387 to 145488. [2022-11-18 20:11:41,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145488 states, 98446 states have (on average 1.3460272636775492) internal successors, (132511), 101597 states have internal predecessors, (132511), 38720 states have call successors, (38720), 7746 states have call predecessors, (38720), 8321 states have return successors, (45852), 38161 states have call predecessors, (45852), 38719 states have call successors, (45852) [2022-11-18 20:11:43,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145488 states to 145488 states and 217083 transitions. [2022-11-18 20:11:43,537 INFO L78 Accepts]: Start accepts. Automaton has 145488 states and 217083 transitions. Word has length 151 [2022-11-18 20:11:43,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:11:43,537 INFO L495 AbstractCegarLoop]: Abstraction has 145488 states and 217083 transitions. [2022-11-18 20:11:43,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 20:11:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 145488 states and 217083 transitions. [2022-11-18 20:11:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-18 20:11:43,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:11:43,560 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:11:43,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:11:43,561 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:11:43,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:11:43,562 INFO L85 PathProgramCache]: Analyzing trace with hash 2119403728, now seen corresponding path program 1 times [2022-11-18 20:11:43,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:11:43,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411013540] [2022-11-18 20:11:43,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:11:43,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:11:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:44,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:11:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:44,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:11:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:44,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:11:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:45,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:45,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:11:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:11:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:45,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:11:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:11:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:46,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:11:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:46,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:11:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:46,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:11:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:46,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:11:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:46,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 20:11:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:46,847 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 20:11:46,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:11:46,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411013540] [2022-11-18 20:11:46,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411013540] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:11:46,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927039718] [2022-11-18 20:11:46,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:11:46,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:11:46,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:11:46,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:11:46,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5d5e5f-bcd6-4076-810f-4342cdb00dc6/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:11:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:11:49,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 7041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:11:49,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:11:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-18 20:11:49,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:11:49,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927039718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:11:49,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:11:49,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2022-11-18 20:11:49,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091596980] [2022-11-18 20:11:49,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:11:49,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:11:49,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:11:49,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:11:49,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:11:49,975 INFO L87 Difference]: Start difference. First operand 145488 states and 217083 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)