./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a --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 7d25bbb840c6f559a01e66a93b808b4e2f90bfa6cd2fb8a6d1b061ad8c317d14 --- 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-b5237d8 [2022-11-21 16:09:04,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:09:04,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:09:04,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:09:04,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:09:04,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:09:04,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:09:04,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:09:04,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:09:04,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:09:04,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:09:04,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:09:04,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:09:04,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:09:04,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:09:04,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:09:04,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:09:04,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:09:04,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:09:04,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:09:04,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:09:04,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:09:04,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:09:04,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:09:04,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:09:04,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:09:04,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:09:04,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:09:04,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:09:04,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:09:04,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:09:04,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:09:04,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:09:04,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:09:04,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:09:04,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:09:04,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:09:04,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:09:04,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:09:04,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:09:04,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:09:04,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:09:04,517 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:09:04,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:09:04,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:09:04,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:09:04,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:09:04,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:09:04,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:09:04,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:09:04,523 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:09:04,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:09:04,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:09:04,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:09:04,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:09:04,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:09:04,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:09:04,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:09:04,526 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:09:04,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:09:04,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:09:04,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:09:04,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:09:04,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:09:04,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:09:04,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:09:04,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:09:04,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:09:04,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:09:04,528 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:09:04,528 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:09:04,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:09:04,529 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_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d25bbb840c6f559a01e66a93b808b4e2f90bfa6cd2fb8a6d1b061ad8c317d14 [2022-11-21 16:09:04,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:09:04,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:09:04,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:09:04,895 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:09:04,895 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:09:04,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i [2022-11-21 16:09:08,125 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:09:09,018 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:09:09,018 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i [2022-11-21 16:09:09,117 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/data/307c4bbff/9975d0160c704cf88010955a4439b652/FLAGd0f910b9d [2022-11-21 16:09:09,135 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/data/307c4bbff/9975d0160c704cf88010955a4439b652 [2022-11-21 16:09:09,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:09:09,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:09:09,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:09:09,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:09:09,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:09:09,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f768ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09, skipping insertion in model container [2022-11-21 16:09:09,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:09:09,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:09:16,858 WARN L237 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_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i[707977,707990] [2022-11-21 16:09:16,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:09:17,043 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:09:18,073 WARN L237 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_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i[707977,707990] [2022-11-21 16:09:18,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:09:18,808 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:09:18,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18 WrapperNode [2022-11-21 16:09:18,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:09:18,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:09:18,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:09:18,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:09:18,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (1/1) ... [2022-11-21 16:09:19,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (1/1) ... [2022-11-21 16:09:19,659 INFO L138 Inliner]: procedures = 738, calls = 10969, calls flagged for inlining = 281, calls inlined = 249, statements flattened = 17437 [2022-11-21 16:09:19,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:09:19,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:09:19,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:09:19,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:09:19,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (1/1) ... [2022-11-21 16:09:19,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (1/1) ... [2022-11-21 16:09:19,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (1/1) ... [2022-11-21 16:09:19,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (1/1) ... [2022-11-21 16:09:20,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (1/1) ... [2022-11-21 16:09:20,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (1/1) ... [2022-11-21 16:09:20,299 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (1/1) ... [2022-11-21 16:09:20,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (1/1) ... [2022-11-21 16:09:20,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:09:20,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:09:20,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:09:20,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:09:20,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (1/1) ... [2022-11-21 16:09:20,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:09:20,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:09:20,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:09:20,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b4fa74-bf4b-4f72-beb7-79cb42173b2e/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:09:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2022-11-21 16:09:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2022-11-21 16:09:20,755 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-21 16:09:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-21 16:09:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-21 16:09:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 16:09:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 16:09:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2022-11-21 16:09:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2022-11-21 16:09:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-11-21 16:09:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-11-21 16:09:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-21 16:09:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-21 16:09:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-21 16:09:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-21 16:09:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-21 16:09:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-21 16:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:09:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2022-11-21 16:09:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2022-11-21 16:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2022-11-21 16:09:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2022-11-21 16:09:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-21 16:09:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-21 16:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-21 16:09:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-21 16:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-21 16:09:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-21 16:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_scan [2022-11-21 16:09:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_scan [2022-11-21 16:09:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-21 16:09:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-21 16:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-21 16:09:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-21 16:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2022-11-21 16:09:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2022-11-21 16:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-21 16:09:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-21 16:09:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2022-11-21 16:09:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2022-11-21 16:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2022-11-21 16:09:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2022-11-21 16:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-21 16:09:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-21 16:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-21 16:09:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-21 16:09:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-21 16:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-21 16:09:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-21 16:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 16:09:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 16:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 16:09:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 16:09:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-21 16:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2022-11-21 16:09:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2022-11-21 16:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2022-11-21 16:09:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2022-11-21 16:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2022-11-21 16:09:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2022-11-21 16:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-21 16:09:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-21 16:09:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:09:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2022-11-21 16:09:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2022-11-21 16:09:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-21 16:09:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-21 16:09:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-21 16:09:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-21 16:09:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-21 16:09:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-21 16:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2022-11-21 16:09:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2022-11-21 16:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-21 16:09:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-21 16:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2022-11-21 16:09:20,778 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2022-11-21 16:09:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 16:09:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 16:09:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2022-11-21 16:09:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2022-11-21 16:09:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2022-11-21 16:09:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2022-11-21 16:09:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2022-11-21 16:09:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2022-11-21 16:09:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-21 16:09:20,779 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-21 16:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2022-11-21 16:09:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2022-11-21 16:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2022-11-21 16:09:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2022-11-21 16:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2022-11-21 16:09:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2022-11-21 16:09:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-21 16:09:20,780 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-21 16:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2022-11-21 16:09:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2022-11-21 16:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2022-11-21 16:09:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2022-11-21 16:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2022-11-21 16:09:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2022-11-21 16:09:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-21 16:09:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-21 16:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-21 16:09:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-21 16:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:09:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:09:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mcast_worker [2022-11-21 16:09:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mcast_worker [2022-11-21 16:09:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-21 16:09:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-21 16:09:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 16:09:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 16:09:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-21 16:09:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-21 16:09:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 16:09:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 16:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-11-21 16:09:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-11-21 16:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2022-11-21 16:09:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2022-11-21 16:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-21 16:09:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-21 16:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 16:09:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 16:09:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:09:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-21 16:09:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-21 16:09:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-21 16:09:20,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-21 16:09:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:09:20,798 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2022-11-21 16:09:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2022-11-21 16:09:20,798 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2022-11-21 16:09:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2022-11-21 16:09:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2022-11-21 16:09:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2022-11-21 16:09:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:09:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2022-11-21 16:09:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2022-11-21 16:09:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 16:09:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-11-21 16:09:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-11-21 16:09:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:09:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:09:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-21 16:09:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-21 16:09:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:09:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:09:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-21 16:09:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-21 16:09:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2022-11-21 16:09:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2022-11-21 16:09:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2022-11-21 16:09:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2022-11-21 16:09:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2022-11-21 16:09:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2022-11-21 16:09:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-21 16:09:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-21 16:09:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 16:09:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 16:09:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2022-11-21 16:09:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2022-11-21 16:09:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-21 16:09:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-21 16:09:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-21 16:09:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-21 16:09:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2022-11-21 16:09:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2022-11-21 16:09:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2022-11-21 16:09:20,803 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2022-11-21 16:09:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-21 16:09:20,803 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-21 16:09:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:09:20,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:09:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2022-11-21 16:09:20,803 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2022-11-21 16:09:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_add_key [2022-11-21 16:09:20,804 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_add_key [2022-11-21 16:09:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 16:09:20,804 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 16:09:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2022-11-21 16:09:20,804 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2022-11-21 16:09:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_mesh_channel [2022-11-21 16:09:20,804 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_mesh_channel [2022-11-21 16:09:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_leave_ibss [2022-11-21 16:09:20,804 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_leave_ibss [2022-11-21 16:09:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:09:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:09:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-11-21 16:09:20,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-11-21 16:09:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:09:20,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:09:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_worker [2022-11-21 16:09:20,805 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_worker [2022-11-21 16:09:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-21 16:09:20,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-21 16:09:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2022-11-21 16:09:20,806 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2022-11-21 16:09:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-21 16:09:20,806 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-21 16:09:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 16:09:20,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 16:09:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2022-11-21 16:09:20,807 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2022-11-21 16:09:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-21 16:09:20,807 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-21 16:09:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 16:09:20,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 16:09:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 16:09:20,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 16:09:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2022-11-21 16:09:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2022-11-21 16:09:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-21 16:09:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-21 16:09:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_monitor_channel [2022-11-21 16:09:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_monitor_channel [2022-11-21 16:09:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-21 16:09:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-21 16:09:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 16:09:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 16:09:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2022-11-21 16:09:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2022-11-21 16:09:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:09:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:09:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2022-11-21 16:09:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2022-11-21 16:09:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2022-11-21 16:09:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2022-11-21 16:09:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-21 16:09:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-21 16:09:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure eth_broadcast_addr [2022-11-21 16:09:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_broadcast_addr [2022-11-21 16:09:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-21 16:09:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-21 16:09:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-21 16:09:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-21 16:09:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-21 16:09:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-21 16:09:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-11-21 16:09:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-11-21 16:09:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-21 16:09:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-21 16:09:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:09:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2022-11-21 16:09:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2022-11-21 16:09:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 16:09:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 16:09:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2022-11-21 16:09:20,812 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2022-11-21 16:09:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_change_intf [2022-11-21 16:09:20,812 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_change_intf [2022-11-21 16:09:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2022-11-21 16:09:20,812 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2022-11-21 16:09:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 16:09:20,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 16:09:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:09:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2022-11-21 16:09:20,813 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2022-11-21 16:09:20,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-21 16:09:20,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-21 16:09:20,813 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2022-11-21 16:09:20,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2022-11-21 16:09:20,813 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_del_key [2022-11-21 16:09:20,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_del_key [2022-11-21 16:09:20,813 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2022-11-21 16:09:20,813 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2022-11-21 16:09:20,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:09:20,814 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-21 16:09:20,814 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-21 16:09:20,814 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2022-11-21 16:09:20,814 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2022-11-21 16:09:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 16:09:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 16:09:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-21 16:09:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-21 16:09:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-21 16:09:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-21 16:09:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-21 16:09:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-21 16:09:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2022-11-21 16:09:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2022-11-21 16:09:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_ibss [2022-11-21 16:09:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_ibss [2022-11-21 16:09:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-21 16:09:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-21 16:09:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-21 16:09:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-21 16:09:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-21 16:09:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-21 16:09:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2022-11-21 16:09:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2022-11-21 16:09:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-21 16:09:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-21 16:09:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2022-11-21 16:09:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2022-11-21 16:09:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2022-11-21 16:09:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2022-11-21 16:09:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-21 16:09:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-21 16:09:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_default_key [2022-11-21 16:09:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_default_key [2022-11-21 16:09:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2022-11-21 16:09:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2022-11-21 16:09:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2022-11-21 16:09:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2022-11-21 16:09:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 16:09:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 16:09:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-21 16:09:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-21 16:09:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2022-11-21 16:09:20,835 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2022-11-21 16:09:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-21 16:09:20,835 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-21 16:09:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 16:09:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 16:09:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2022-11-21 16:09:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2022-11-21 16:09:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 16:09:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 16:09:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-21 16:09:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-21 16:09:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-21 16:09:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:09:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2022-11-21 16:09:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2022-11-21 16:09:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-21 16:09:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-21 16:09:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:09:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:09:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2022-11-21 16:09:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2022-11-21 16:09:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_write [2022-11-21 16:09:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_write [2022-11-21 16:09:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2022-11-21 16:09:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2022-11-21 16:09:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2022-11-21 16:09:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2022-11-21 16:09:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 16:09:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 16:09:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_address [2022-11-21 16:09:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_address [2022-11-21 16:09:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-21 16:09:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-21 16:09:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-21 16:09:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-21 16:09:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2022-11-21 16:09:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2022-11-21 16:09:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2022-11-21 16:09:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2022-11-21 16:09:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2022-11-21 16:09:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2022-11-21 16:09:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-21 16:09:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-21 16:09:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2022-11-21 16:09:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2022-11-21 16:09:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2022-11-21 16:09:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2022-11-21 16:09:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_17 [2022-11-21 16:09:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_17 [2022-11-21 16:09:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_hard_start_xmit [2022-11-21 16:09:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_hard_start_xmit [2022-11-21 16:09:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2022-11-21 16:09:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2022-11-21 16:09:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2022-11-21 16:09:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2022-11-21 16:09:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2022-11-21 16:09:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2022-11-21 16:09:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-21 16:09:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-21 16:09:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2022-11-21 16:09:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2022-11-21 16:09:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-21 16:09:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-21 16:09:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2022-11-21 16:09:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2022-11-21 16:09:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:09:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_get_station [2022-11-21 16:09:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_get_station [2022-11-21 16:09:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-21 16:09:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-21 16:09:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-21 16:09:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-21 16:09:22,754 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:09:22,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:09:23,129 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:18:09,752 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:18:09,783 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:18:09,783 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:18:09,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:18:09 BoogieIcfgContainer [2022-11-21 16:18:09,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:18:09,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:18:09,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:18:09,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:18:09,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:09:09" (1/3) ... [2022-11-21 16:18:09,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420e3f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:18:09, skipping insertion in model container [2022-11-21 16:18:09,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:18" (2/3) ... [2022-11-21 16:18:09,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420e3f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:18:09, skipping insertion in model container [2022-11-21 16:18:09,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:18:09" (3/3) ... [2022-11-21 16:18:09,801 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i [2022-11-21 16:18:09,823 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:18:09,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:18:09,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:18:09,992 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;@3bd14fe9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:18:09,995 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:18:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand has 4803 states, 3439 states have (on average 1.3797615585926142) internal successors, (4745), 3539 states have internal predecessors, (4745), 1180 states have call successors, (1180), 183 states have call predecessors, (1180), 182 states have return successors, (1159), 1138 states have call predecessors, (1159), 1159 states have call successors, (1159) [2022-11-21 16:18:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-21 16:18:10,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:18:10,065 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:18:10,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:18:10,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:18:10,071 INFO L85 PathProgramCache]: Analyzing trace with hash -178703114, now seen corresponding path program 1 times [2022-11-21 16:18:10,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:18:10,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510109028] [2022-11-21 16:18:10,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:18:10,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:18:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:12,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:18:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:18:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:18:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:18:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:18:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:12,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:18:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 16:18:12,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:18:12,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510109028] [2022-11-21 16:18:12,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510109028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:18:12,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:18:12,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:18:12,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66208739] [2022-11-21 16:18:12,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:18:12,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:18:12,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:18:12,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:18:12,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:18:12,786 INFO L87 Difference]: Start difference. First operand has 4803 states, 3439 states have (on average 1.3797615585926142) internal successors, (4745), 3539 states have internal predecessors, (4745), 1180 states have call successors, (1180), 183 states have call predecessors, (1180), 182 states have return successors, (1159), 1138 states have call predecessors, (1159), 1159 states have call successors, (1159) Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:18:15,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:17,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:19,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:21,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:39,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:41,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:43,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:46,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:48,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:50,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:53,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:55,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:58,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:00,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:02,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:07,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:09,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:11,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:23,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:24,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:19:24,542 INFO L93 Difference]: Finished difference Result 11268 states and 17248 transitions. [2022-11-21 16:19:24,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:19:24,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 101 [2022-11-21 16:19:24,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:19:24,642 INFO L225 Difference]: With dead ends: 11268 [2022-11-21 16:19:24,642 INFO L226 Difference]: Without dead ends: 6425 [2022-11-21 16:19:24,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:19:24,687 INFO L413 NwaCegarLoop]: 5889 mSDtfsCounter, 6184 mSDsluCounter, 11803 mSDsCounter, 0 mSdLazyCounter, 10663 mSolverCounterSat, 5244 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6524 SdHoareTripleChecker+Valid, 17692 SdHoareTripleChecker+Invalid, 15922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5244 IncrementalHoareTripleChecker+Valid, 10663 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:19:24,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6524 Valid, 17692 Invalid, 15922 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5244 Valid, 10663 Invalid, 15 Unknown, 0 Unchecked, 70.4s Time] [2022-11-21 16:19:24,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6425 states. [2022-11-21 16:19:25,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6425 to 4758. [2022-11-21 16:19:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4758 states, 3420 states have (on average 1.3722222222222222) internal successors, (4693), 3497 states have internal predecessors, (4693), 1156 states have call successors, (1156), 182 states have call predecessors, (1156), 181 states have return successors, (1155), 1134 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-11-21 16:19:25,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4758 states and 7004 transitions. [2022-11-21 16:19:25,335 INFO L78 Accepts]: Start accepts. Automaton has 4758 states and 7004 transitions. Word has length 101 [2022-11-21 16:19:25,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:19:25,336 INFO L495 AbstractCegarLoop]: Abstraction has 4758 states and 7004 transitions. [2022-11-21 16:19:25,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:19:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 4758 states and 7004 transitions. [2022-11-21 16:19:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-21 16:19:25,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:19:25,348 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:19:25,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:19:25,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:19:25,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:19:25,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1928008717, now seen corresponding path program 1 times [2022-11-21 16:19:25,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:19:25,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025605372] [2022-11-21 16:19:25,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:19:25,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:19:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:19:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:19:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:19:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:27,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:27,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:19:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 16:19:28,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:19:28,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025605372] [2022-11-21 16:19:28,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025605372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:19:28,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:19:28,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:19:28,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45810597] [2022-11-21 16:19:28,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:19:28,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:19:28,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:19:28,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:19:28,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:19:28,015 INFO L87 Difference]: Start difference. First operand 4758 states and 7004 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:19:30,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:32,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:34,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:36,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:59,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:01,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:04,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:08,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:13,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:15,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:27,940 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 [] [2022-11-21 16:20:29,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:29,500 INFO L93 Difference]: Finished difference Result 11313 states and 17056 transitions. [2022-11-21 16:20:29,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:20:29,501 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 102 [2022-11-21 16:20:29,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:29,559 INFO L225 Difference]: With dead ends: 11313 [2022-11-21 16:20:29,560 INFO L226 Difference]: Without dead ends: 6569 [2022-11-21 16:20:29,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:20:29,592 INFO L413 NwaCegarLoop]: 5731 mSDtfsCounter, 12999 mSDsluCounter, 11552 mSDsCounter, 0 mSdLazyCounter, 11366 mSolverCounterSat, 7157 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13834 SdHoareTripleChecker+Valid, 17283 SdHoareTripleChecker+Invalid, 18532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7157 IncrementalHoareTripleChecker+Valid, 11366 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:29,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13834 Valid, 17283 Invalid, 18532 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7157 Valid, 11366 Invalid, 9 Unknown, 0 Unchecked, 60.1s Time] [2022-11-21 16:20:29,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6569 states. [2022-11-21 16:20:30,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6569 to 4882. [2022-11-21 16:20:30,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4882 states, 3505 states have (on average 1.3671897289586306) internal successors, (4792), 3583 states have internal predecessors, (4792), 1170 states have call successors, (1170), 207 states have call predecessors, (1170), 206 states have return successors, (1169), 1148 states have call predecessors, (1169), 1169 states have call successors, (1169) [2022-11-21 16:20:30,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4882 states to 4882 states and 7131 transitions. [2022-11-21 16:20:30,179 INFO L78 Accepts]: Start accepts. Automaton has 4882 states and 7131 transitions. Word has length 102 [2022-11-21 16:20:30,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:30,183 INFO L495 AbstractCegarLoop]: Abstraction has 4882 states and 7131 transitions. [2022-11-21 16:20:30,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:20:30,185 INFO L276 IsEmpty]: Start isEmpty. Operand 4882 states and 7131 transitions. [2022-11-21 16:20:30,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-21 16:20:30,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:30,195 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:20:30,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:20:30,196 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:30,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:30,196 INFO L85 PathProgramCache]: Analyzing trace with hash -2123947723, now seen corresponding path program 1 times [2022-11-21 16:20:30,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:30,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702679553] [2022-11-21 16:20:30,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:30,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:20:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:32,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:20:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:20:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:20:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:32,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:20:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 16:20:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:32,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 16:20:32,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:32,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702679553] [2022-11-21 16:20:32,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702679553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:32,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:32,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:20:32,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66022693] [2022-11-21 16:20:32,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:32,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:20:32,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:32,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:20:32,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:20:32,938 INFO L87 Difference]: Start difference. First operand 4882 states and 7131 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:20:35,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:37,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:39,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:55,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:01,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:04,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:14,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:15,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:21:15,440 INFO L93 Difference]: Finished difference Result 11423 states and 17168 transitions. [2022-11-21 16:21:15,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:21:15,440 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 100 [2022-11-21 16:21:15,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:21:15,497 INFO L225 Difference]: With dead ends: 11423 [2022-11-21 16:21:15,497 INFO L226 Difference]: Without dead ends: 6578 [2022-11-21 16:21:15,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:21:15,534 INFO L413 NwaCegarLoop]: 5665 mSDtfsCounter, 26326 mSDsluCounter, 6128 mSDsCounter, 0 mSdLazyCounter, 6248 mSolverCounterSat, 15706 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27159 SdHoareTripleChecker+Valid, 11793 SdHoareTripleChecker+Invalid, 21959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15706 IncrementalHoareTripleChecker+Valid, 6248 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:21:15,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27159 Valid, 11793 Invalid, 21959 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15706 Valid, 6248 Invalid, 5 Unknown, 0 Unchecked, 41.2s Time] [2022-11-21 16:21:15,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6578 states. [2022-11-21 16:21:16,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6578 to 4895. [2022-11-21 16:21:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4895 states, 3517 states have (on average 1.367074210975263) internal successors, (4808), 3594 states have internal predecessors, (4808), 1169 states have call successors, (1169), 209 states have call predecessors, (1169), 208 states have return successors, (1168), 1148 states have call predecessors, (1168), 1168 states have call successors, (1168) [2022-11-21 16:21:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 7145 transitions. [2022-11-21 16:21:16,139 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 7145 transitions. Word has length 100 [2022-11-21 16:21:16,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:21:16,140 INFO L495 AbstractCegarLoop]: Abstraction has 4895 states and 7145 transitions. [2022-11-21 16:21:16,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:21:16,140 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 7145 transitions. [2022-11-21 16:21:16,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-21 16:21:16,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:21:16,148 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:21:16,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:21:16,148 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:21:16,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:21:16,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1709384334, now seen corresponding path program 1 times [2022-11-21 16:21:16,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:21:16,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796955427] [2022-11-21 16:21:16,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:21:16,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:21:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:21:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:18,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:21:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:21:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:18,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:21:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 16:21:18,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:21:18,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796955427] [2022-11-21 16:21:18,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796955427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:21:18,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:21:18,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:21:18,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576965030] [2022-11-21 16:21:18,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:21:18,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:21:18,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:21:18,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:21:18,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:21:18,551 INFO L87 Difference]: Start difference. First operand 4895 states and 7145 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:21:20,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:22,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:24,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:26,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:28,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:48,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:50,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:52,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:54,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:59,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:01,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:03,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:08,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:26,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:27,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:22:27,892 INFO L93 Difference]: Finished difference Result 11439 states and 17185 transitions. [2022-11-21 16:22:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:22:27,894 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 101 [2022-11-21 16:22:27,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:22:27,951 INFO L225 Difference]: With dead ends: 11439 [2022-11-21 16:22:27,952 INFO L226 Difference]: Without dead ends: 6581 [2022-11-21 16:22:27,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:22:27,977 INFO L413 NwaCegarLoop]: 5710 mSDtfsCounter, 18618 mSDsluCounter, 11536 mSDsCounter, 0 mSdLazyCounter, 11056 mSolverCounterSat, 10394 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19461 SdHoareTripleChecker+Valid, 17246 SdHoareTripleChecker+Invalid, 21460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10394 IncrementalHoareTripleChecker+Valid, 11056 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:22:27,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19461 Valid, 17246 Invalid, 21460 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10394 Valid, 11056 Invalid, 10 Unknown, 0 Unchecked, 68.0s Time] [2022-11-21 16:22:27,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6581 states. [2022-11-21 16:22:28,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6581 to 4894. [2022-11-21 16:22:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4894 states, 3517 states have (on average 1.3667898777367073) internal successors, (4807), 3593 states have internal predecessors, (4807), 1168 states have call successors, (1168), 209 states have call predecessors, (1168), 208 states have return successors, (1167), 1148 states have call predecessors, (1167), 1167 states have call successors, (1167) [2022-11-21 16:22:28,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4894 states to 4894 states and 7142 transitions. [2022-11-21 16:22:28,693 INFO L78 Accepts]: Start accepts. Automaton has 4894 states and 7142 transitions. Word has length 101 [2022-11-21 16:22:28,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:22:28,694 INFO L495 AbstractCegarLoop]: Abstraction has 4894 states and 7142 transitions. [2022-11-21 16:22:28,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:22:28,694 INFO L276 IsEmpty]: Start isEmpty. Operand 4894 states and 7142 transitions. [2022-11-21 16:22:28,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-21 16:22:28,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:22:28,710 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:22:28,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:22:28,710 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:22:28,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:22:28,711 INFO L85 PathProgramCache]: Analyzing trace with hash -813319680, now seen corresponding path program 1 times [2022-11-21 16:22:28,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:22:28,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909854209] [2022-11-21 16:22:28,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:22:28,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:22:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:22:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:22:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:22:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-21 16:22:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:22:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 16:22:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:30,736 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-21 16:22:30,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:22:30,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909854209] [2022-11-21 16:22:30,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909854209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:22:30,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:22:30,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:22:30,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234584727] [2022-11-21 16:22:30,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:22:30,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:22:30,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:22:30,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:22:30,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:22:30,741 INFO L87 Difference]: Start difference. First operand 4894 states and 7142 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 16:22:33,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:42,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:45,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:48,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:01,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:03,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:07,445 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 [] [2022-11-21 16:23:11,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:23:11,606 INFO L93 Difference]: Finished difference Result 15754 states and 23452 transitions. [2022-11-21 16:23:11,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:23:11,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 118 [2022-11-21 16:23:11,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:23:11,684 INFO L225 Difference]: With dead ends: 15754 [2022-11-21 16:23:11,684 INFO L226 Difference]: Without dead ends: 10897 [2022-11-21 16:23:11,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:23:11,709 INFO L413 NwaCegarLoop]: 6509 mSDtfsCounter, 16083 mSDsluCounter, 8370 mSDsCounter, 0 mSdLazyCounter, 7152 mSolverCounterSat, 10158 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16840 SdHoareTripleChecker+Valid, 14879 SdHoareTripleChecker+Invalid, 17315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10158 IncrementalHoareTripleChecker+Valid, 7152 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:23:11,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16840 Valid, 14879 Invalid, 17315 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10158 Valid, 7152 Invalid, 5 Unknown, 0 Unchecked, 39.5s Time] [2022-11-21 16:23:11,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10897 states. [2022-11-21 16:23:12,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10897 to 9620. [2022-11-21 16:23:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9620 states, 6921 states have (on average 1.3710446467273516) internal successors, (9489), 7073 states have internal predecessors, (9489), 2295 states have call successors, (2295), 402 states have call predecessors, (2295), 403 states have return successors, (2302), 2257 states have call predecessors, (2302), 2294 states have call successors, (2302) [2022-11-21 16:23:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9620 states to 9620 states and 14086 transitions. [2022-11-21 16:23:12,903 INFO L78 Accepts]: Start accepts. Automaton has 9620 states and 14086 transitions. Word has length 118 [2022-11-21 16:23:12,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:23:12,904 INFO L495 AbstractCegarLoop]: Abstraction has 9620 states and 14086 transitions. [2022-11-21 16:23:12,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 16:23:12,904 INFO L276 IsEmpty]: Start isEmpty. Operand 9620 states and 14086 transitions. [2022-11-21 16:23:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-21 16:23:12,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:23:12,915 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:23:12,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:23:12,915 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:23:12,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:23:12,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1901061110, now seen corresponding path program 1 times [2022-11-21 16:23:12,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:23:12,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537037106] [2022-11-21 16:23:12,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:23:12,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:23:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:23:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:23:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:23:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:14,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:23:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:14,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:23:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:23:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:23:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:14,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:23:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 16:23:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 16:23:14,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:23:14,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537037106] [2022-11-21 16:23:14,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537037106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:23:14,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:23:14,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:23:14,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415446824] [2022-11-21 16:23:14,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:23:14,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:23:14,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:23:14,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:23:14,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:23:14,929 INFO L87 Difference]: Start difference. First operand 9620 states and 14086 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:23:17,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:19,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:21,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []