./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 4e7fbc69 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_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/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_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS --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-4e7fbc6 [2022-11-23 04:04:05,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 04:04:05,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 04:04:05,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 04:04:05,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 04:04:05,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 04:04:05,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 04:04:05,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 04:04:05,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 04:04:05,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 04:04:05,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 04:04:05,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 04:04:05,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 04:04:05,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 04:04:05,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 04:04:05,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 04:04:05,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 04:04:05,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 04:04:05,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 04:04:05,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 04:04:05,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 04:04:05,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 04:04:05,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 04:04:05,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 04:04:05,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 04:04:05,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 04:04:05,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 04:04:05,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 04:04:05,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 04:04:05,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 04:04:05,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 04:04:05,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 04:04:05,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 04:04:05,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 04:04:05,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 04:04:05,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 04:04:05,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 04:04:05,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 04:04:05,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 04:04:05,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 04:04:05,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 04:04:05,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 04:04:05,325 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 04:04:05,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 04:04:05,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 04:04:05,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 04:04:05,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 04:04:05,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 04:04:05,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 04:04:05,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 04:04:05,328 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 04:04:05,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 04:04:05,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 04:04:05,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 04:04:05,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 04:04:05,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 04:04:05,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 04:04:05,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 04:04:05,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 04:04:05,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 04:04:05,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 04:04:05,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 04:04:05,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 04:04:05,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:04:05,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 04:04:05,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 04:04:05,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 04:04:05,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 04:04:05,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 04:04:05,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 04:04:05,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 04:04:05,333 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 04:04:05,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 04:04:05,334 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d25bbb840c6f559a01e66a93b808b4e2f90bfa6cd2fb8a6d1b061ad8c317d14 [2022-11-23 04:04:05,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 04:04:05,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 04:04:05,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 04:04:05,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 04:04:05,651 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 04:04:05,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/../../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 [2022-11-23 04:04:08,719 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 04:04:09,650 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 04:04:09,651 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/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 [2022-11-23 04:04:09,732 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/data/b1661943d/973b8bcb1c304f7e9b4caf4dd20935fd/FLAGa9e9fb745 [2022-11-23 04:04:09,754 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/data/b1661943d/973b8bcb1c304f7e9b4caf4dd20935fd [2022-11-23 04:04:09,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 04:04:09,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 04:04:09,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 04:04:09,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 04:04:09,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 04:04:09,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:09" (1/1) ... [2022-11-23 04:04:09,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfbf3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:09, skipping insertion in model container [2022-11-23 04:04:09,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:09" (1/1) ... [2022-11-23 04:04:09,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 04:04:10,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 04:04:17,130 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_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/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] [2022-11-23 04:04:17,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:04:17,300 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 04:04:18,301 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_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/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] [2022-11-23 04:04:18,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:04:18,773 INFO L208 MainTranslator]: Completed translation [2022-11-23 04:04:18,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18 WrapperNode [2022-11-23 04:04:18,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 04:04:18,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 04:04:18,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 04:04:18,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 04:04:18,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (1/1) ... [2022-11-23 04:04:19,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (1/1) ... [2022-11-23 04:04:19,517 INFO L138 Inliner]: procedures = 738, calls = 10969, calls flagged for inlining = 281, calls inlined = 249, statements flattened = 17437 [2022-11-23 04:04:19,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 04:04:19,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 04:04:19,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 04:04:19,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 04:04:19,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (1/1) ... [2022-11-23 04:04:19,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (1/1) ... [2022-11-23 04:04:19,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (1/1) ... [2022-11-23 04:04:19,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (1/1) ... [2022-11-23 04:04:20,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (1/1) ... [2022-11-23 04:04:20,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (1/1) ... [2022-11-23 04:04:20,376 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (1/1) ... [2022-11-23 04:04:20,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (1/1) ... [2022-11-23 04:04:20,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 04:04:20,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 04:04:20,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 04:04:20,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 04:04:20,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (1/1) ... [2022-11-23 04:04:20,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:04:20,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:04:20,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 04:04:20,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6a08ac9-616d-4a6f-93d4-dbc738f5c93a/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 04:04:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2022-11-23 04:04:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2022-11-23 04:04:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-23 04:04:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-23 04:04:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-23 04:04:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 04:04:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 04:04:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2022-11-23 04:04:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2022-11-23 04:04:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-11-23 04:04:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-11-23 04:04:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 04:04:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 04:04:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-23 04:04:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-23 04:04:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-23 04:04:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-23 04:04:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 04:04:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 04:04:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2022-11-23 04:04:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2022-11-23 04:04:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2022-11-23 04:04:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2022-11-23 04:04:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-23 04:04:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-23 04:04:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-23 04:04:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-23 04:04:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-23 04:04:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-23 04:04:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_scan [2022-11-23 04:04:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_scan [2022-11-23 04:04:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-23 04:04:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-23 04:04:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 04:04:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 04:04:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2022-11-23 04:04:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2022-11-23 04:04:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-23 04:04:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-23 04:04:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2022-11-23 04:04:20,629 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2022-11-23 04:04:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2022-11-23 04:04:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2022-11-23 04:04:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-23 04:04:20,630 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-23 04:04:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 04:04:20,631 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 04:04:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 04:04:20,631 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 04:04:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 04:04:20,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 04:04:20,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 04:04:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 04:04:20,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 04:04:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-23 04:04:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2022-11-23 04:04:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2022-11-23 04:04:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2022-11-23 04:04:20,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2022-11-23 04:04:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2022-11-23 04:04:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2022-11-23 04:04:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 04:04:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 04:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 04:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2022-11-23 04:04:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2022-11-23 04:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-23 04:04:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-23 04:04:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-23 04:04:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-23 04:04:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 04:04:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 04:04:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2022-11-23 04:04:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2022-11-23 04:04:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-23 04:04:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-23 04:04:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2022-11-23 04:04:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2022-11-23 04:04:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 04:04:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 04:04:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2022-11-23 04:04:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2022-11-23 04:04:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2022-11-23 04:04:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2022-11-23 04:04:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2022-11-23 04:04:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2022-11-23 04:04:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-23 04:04:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-23 04:04:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2022-11-23 04:04:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2022-11-23 04:04:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 04:04:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2022-11-23 04:04:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2022-11-23 04:04:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2022-11-23 04:04:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2022-11-23 04:04:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-23 04:04:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-23 04:04:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2022-11-23 04:04:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2022-11-23 04:04:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2022-11-23 04:04:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2022-11-23 04:04:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 04:04:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2022-11-23 04:04:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2022-11-23 04:04:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-23 04:04:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-23 04:04:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-23 04:04:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-23 04:04:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 04:04:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 04:04:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 04:04:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mcast_worker [2022-11-23 04:04:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mcast_worker [2022-11-23 04:04:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-23 04:04:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-23 04:04:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 04:04:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 04:04:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-23 04:04:20,651 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-23 04:04:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-23 04:04:20,652 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-23 04:04:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-11-23 04:04:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-11-23 04:04:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2022-11-23 04:04:20,655 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2022-11-23 04:04:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-23 04:04:20,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-23 04:04:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 04:04:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 04:04:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 04:04:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-23 04:04:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-23 04:04:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-23 04:04:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-23 04:04:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 04:04:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2022-11-23 04:04:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2022-11-23 04:04:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2022-11-23 04:04:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2022-11-23 04:04:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2022-11-23 04:04:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2022-11-23 04:04:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 04:04:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2022-11-23 04:04:20,663 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2022-11-23 04:04:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 04:04:20,663 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-11-23 04:04:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-11-23 04:04:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 04:04:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 04:04:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-23 04:04:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-23 04:04:20,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 04:04:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 04:04:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 04:04:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 04:04:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2022-11-23 04:04:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2022-11-23 04:04:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2022-11-23 04:04:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2022-11-23 04:04:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2022-11-23 04:04:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2022-11-23 04:04:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 04:04:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 04:04:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 04:04:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 04:04:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2022-11-23 04:04:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2022-11-23 04:04:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-23 04:04:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-23 04:04:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-23 04:04:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-23 04:04:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2022-11-23 04:04:20,668 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2022-11-23 04:04:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2022-11-23 04:04:20,668 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2022-11-23 04:04:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-23 04:04:20,669 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-23 04:04:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 04:04:20,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 04:04:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2022-11-23 04:04:20,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2022-11-23 04:04:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_add_key [2022-11-23 04:04:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_add_key [2022-11-23 04:04:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 04:04:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 04:04:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2022-11-23 04:04:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2022-11-23 04:04:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_mesh_channel [2022-11-23 04:04:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_mesh_channel [2022-11-23 04:04:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_leave_ibss [2022-11-23 04:04:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_leave_ibss [2022-11-23 04:04:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 04:04:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 04:04:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-11-23 04:04:20,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-11-23 04:04:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 04:04:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 04:04:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_worker [2022-11-23 04:04:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_worker [2022-11-23 04:04:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-23 04:04:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-23 04:04:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2022-11-23 04:04:20,673 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2022-11-23 04:04:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 04:04:20,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 04:04:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 04:04:20,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 04:04:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2022-11-23 04:04:20,674 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2022-11-23 04:04:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-23 04:04:20,674 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-23 04:04:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 04:04:20,674 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 04:04:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 04:04:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 04:04:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2022-11-23 04:04:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2022-11-23 04:04:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-23 04:04:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-23 04:04:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_monitor_channel [2022-11-23 04:04:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_monitor_channel [2022-11-23 04:04:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-23 04:04:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-23 04:04:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 04:04:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 04:04:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2022-11-23 04:04:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2022-11-23 04:04:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 04:04:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 04:04:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2022-11-23 04:04:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2022-11-23 04:04:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2022-11-23 04:04:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2022-11-23 04:04:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 04:04:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 04:04:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure eth_broadcast_addr [2022-11-23 04:04:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_broadcast_addr [2022-11-23 04:04:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-23 04:04:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-23 04:04:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-23 04:04:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-23 04:04:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-23 04:04:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-23 04:04:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-11-23 04:04:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-11-23 04:04:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-23 04:04:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-23 04:04:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 04:04:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2022-11-23 04:04:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2022-11-23 04:04:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 04:04:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 04:04:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2022-11-23 04:04:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2022-11-23 04:04:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_change_intf [2022-11-23 04:04:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_change_intf [2022-11-23 04:04:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2022-11-23 04:04:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2022-11-23 04:04:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 04:04:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 04:04:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 04:04:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2022-11-23 04:04:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2022-11-23 04:04:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-23 04:04:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-23 04:04:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2022-11-23 04:04:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2022-11-23 04:04:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_del_key [2022-11-23 04:04:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_del_key [2022-11-23 04:04:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2022-11-23 04:04:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2022-11-23 04:04:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 04:04:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-23 04:04:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-23 04:04:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2022-11-23 04:04:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2022-11-23 04:04:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 04:04:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 04:04:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-23 04:04:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-23 04:04:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-23 04:04:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-23 04:04:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 04:04:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 04:04:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2022-11-23 04:04:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2022-11-23 04:04:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_ibss [2022-11-23 04:04:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_ibss [2022-11-23 04:04:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-23 04:04:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-23 04:04:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 04:04:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 04:04:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-23 04:04:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-23 04:04:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2022-11-23 04:04:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2022-11-23 04:04:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 04:04:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 04:04:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2022-11-23 04:04:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2022-11-23 04:04:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2022-11-23 04:04:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2022-11-23 04:04:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-23 04:04:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-23 04:04:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_default_key [2022-11-23 04:04:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_default_key [2022-11-23 04:04:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2022-11-23 04:04:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2022-11-23 04:04:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2022-11-23 04:04:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2022-11-23 04:04:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 04:04:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 04:04:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-23 04:04:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-23 04:04:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2022-11-23 04:04:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2022-11-23 04:04:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-23 04:04:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-23 04:04:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 04:04:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 04:04:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2022-11-23 04:04:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2022-11-23 04:04:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 04:04:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 04:04:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-23 04:04:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-23 04:04:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-23 04:04:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 04:04:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2022-11-23 04:04:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2022-11-23 04:04:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-23 04:04:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-23 04:04:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 04:04:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 04:04:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2022-11-23 04:04:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2022-11-23 04:04:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_write [2022-11-23 04:04:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_write [2022-11-23 04:04:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2022-11-23 04:04:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2022-11-23 04:04:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2022-11-23 04:04:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2022-11-23 04:04:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 04:04:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 04:04:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_address [2022-11-23 04:04:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_address [2022-11-23 04:04:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-23 04:04:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-23 04:04:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-23 04:04:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-23 04:04:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2022-11-23 04:04:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2022-11-23 04:04:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2022-11-23 04:04:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2022-11-23 04:04:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2022-11-23 04:04:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2022-11-23 04:04:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 04:04:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 04:04:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2022-11-23 04:04:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2022-11-23 04:04:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2022-11-23 04:04:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2022-11-23 04:04:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_17 [2022-11-23 04:04:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_17 [2022-11-23 04:04:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_hard_start_xmit [2022-11-23 04:04:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_hard_start_xmit [2022-11-23 04:04:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2022-11-23 04:04:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2022-11-23 04:04:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2022-11-23 04:04:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2022-11-23 04:04:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2022-11-23 04:04:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2022-11-23 04:04:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 04:04:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 04:04:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2022-11-23 04:04:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2022-11-23 04:04:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-23 04:04:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-23 04:04:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2022-11-23 04:04:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2022-11-23 04:04:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 04:04:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_get_station [2022-11-23 04:04:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_get_station [2022-11-23 04:04:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-23 04:04:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-23 04:04:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-23 04:04:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-23 04:04:22,421 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 04:04:22,425 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 04:04:22,844 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 04:12:06,489 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 04:12:06,539 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 04:12:06,540 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 04:12:06,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:12:06 BoogieIcfgContainer [2022-11-23 04:12:06,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 04:12:06,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 04:12:06,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 04:12:06,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 04:12:06,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:04:09" (1/3) ... [2022-11-23 04:12:06,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a773626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:12:06, skipping insertion in model container [2022-11-23 04:12:06,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:18" (2/3) ... [2022-11-23 04:12:06,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a773626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:12:06, skipping insertion in model container [2022-11-23 04:12:06,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:12:06" (3/3) ... [2022-11-23 04:12:06,560 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i [2022-11-23 04:12:06,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 04:12:06,580 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 04:12:06,739 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 04:12:06,749 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;@117497a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 04:12:06,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 04:12:06,773 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) [2022-11-23 04:12:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-23 04:12:06,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:06,813 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] [2022-11-23 04:12:06,814 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:12:06,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:06,823 INFO L85 PathProgramCache]: Analyzing trace with hash -178703114, now seen corresponding path program 1 times [2022-11-23 04:12:06,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:06,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118779903] [2022-11-23 04:12:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:06,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:12:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 04:12:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:09,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:12:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 04:12:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:12:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:09,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-23 04:12:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 04:12:09,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:09,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118779903] [2022-11-23 04:12:09,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118779903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:12:09,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:12:09,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 04:12:09,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212153015] [2022-11-23 04:12:09,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:12:09,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 04:12:09,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:09,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 04:12:09,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 04:12:09,395 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) [2022-11-23 04:12:11,348 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 [] [2022-11-23 04:12:14,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:16,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:33,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:34,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:35,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:38,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:40,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:42,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:45,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:47,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:49,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:51,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:53,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:56,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:58,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:12:59,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:03,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:05,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:17,322 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 [] [2022-11-23 04:13:17,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:13:17,947 INFO L93 Difference]: Finished difference Result 11268 states and 17248 transitions. [2022-11-23 04:13:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 04:13:17,949 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 [2022-11-23 04:13:17,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:13:18,030 INFO L225 Difference]: With dead ends: 11268 [2022-11-23 04:13:18,030 INFO L226 Difference]: Without dead ends: 6425 [2022-11-23 04:13:18,064 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 [2022-11-23 04:13:18,067 INFO L413 NwaCegarLoop]: 5881 mSDtfsCounter, 6186 mSDsluCounter, 11776 mSDsCounter, 0 mSdLazyCounter, 10647 mSolverCounterSat, 5256 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6530 SdHoareTripleChecker+Valid, 17657 SdHoareTripleChecker+Invalid, 15917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5256 IncrementalHoareTripleChecker+Valid, 10647 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.3s IncrementalHoareTripleChecker+Time [2022-11-23 04:13:18,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6530 Valid, 17657 Invalid, 15917 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5256 Valid, 10647 Invalid, 14 Unknown, 0 Unchecked, 67.3s Time] [2022-11-23 04:13:18,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6425 states. [2022-11-23 04:13:18,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6425 to 4758. [2022-11-23 04:13:18,564 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) [2022-11-23 04:13:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4758 states and 7004 transitions. [2022-11-23 04:13:18,621 INFO L78 Accepts]: Start accepts. Automaton has 4758 states and 7004 transitions. Word has length 101 [2022-11-23 04:13:18,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:13:18,621 INFO L495 AbstractCegarLoop]: Abstraction has 4758 states and 7004 transitions. [2022-11-23 04:13:18,622 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) [2022-11-23 04:13:18,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4758 states and 7004 transitions. [2022-11-23 04:13:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-23 04:13:18,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:13:18,633 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] [2022-11-23 04:13:18,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 04:13:18,633 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:13:18,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:13:18,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1928008717, now seen corresponding path program 1 times [2022-11-23 04:13:18,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:13:18,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019998265] [2022-11-23 04:13:18,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:13:18,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:13:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:20,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:13:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:20,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:13:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 04:13:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:21,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:13:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:21,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 04:13:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:13:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-23 04:13:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:13:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 04:13:21,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:13:21,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019998265] [2022-11-23 04:13:21,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019998265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:13:21,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:13:21,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 04:13:21,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896992344] [2022-11-23 04:13:21,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:13:21,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 04:13:21,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:13:21,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 04:13:21,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 04:13:21,121 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) [2022-11-23 04:13:22,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:23,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:25,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:27,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:47,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:48,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:50,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:53,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:13:58,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:04,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:06,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:17,932 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 [] [2022-11-23 04:14:19,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:14:19,165 INFO L93 Difference]: Finished difference Result 11313 states and 17056 transitions. [2022-11-23 04:14:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 04:14:19,166 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 [2022-11-23 04:14:19,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:14:19,211 INFO L225 Difference]: With dead ends: 11313 [2022-11-23 04:14:19,211 INFO L226 Difference]: Without dead ends: 6569 [2022-11-23 04:14:19,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-11-23 04:14:19,238 INFO L413 NwaCegarLoop]: 5739 mSDtfsCounter, 12985 mSDsluCounter, 11565 mSDsCounter, 0 mSdLazyCounter, 11352 mSolverCounterSat, 7152 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13821 SdHoareTripleChecker+Valid, 17304 SdHoareTripleChecker+Invalid, 18511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7152 IncrementalHoareTripleChecker+Valid, 11352 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.9s IncrementalHoareTripleChecker+Time [2022-11-23 04:14:19,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13821 Valid, 17304 Invalid, 18511 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7152 Valid, 11352 Invalid, 7 Unknown, 0 Unchecked, 56.9s Time] [2022-11-23 04:14:19,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6569 states. [2022-11-23 04:14:19,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6569 to 4882. [2022-11-23 04:14:19,715 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) [2022-11-23 04:14:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4882 states to 4882 states and 7131 transitions. [2022-11-23 04:14:19,748 INFO L78 Accepts]: Start accepts. Automaton has 4882 states and 7131 transitions. Word has length 102 [2022-11-23 04:14:19,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:14:19,750 INFO L495 AbstractCegarLoop]: Abstraction has 4882 states and 7131 transitions. [2022-11-23 04:14:19,751 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) [2022-11-23 04:14:19,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4882 states and 7131 transitions. [2022-11-23 04:14:19,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-23 04:14:19,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:14:19,764 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] [2022-11-23 04:14:19,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 04:14:19,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:14:19,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:14:19,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2123947723, now seen corresponding path program 1 times [2022-11-23 04:14:19,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:14:19,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172935218] [2022-11-23 04:14:19,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:14:19,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:14:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:21,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:14:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:21,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:14:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 04:14:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:21,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:14:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 04:14:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:21,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:14:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:22,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-23 04:14:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:14:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 04:14:22,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:14:22,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172935218] [2022-11-23 04:14:22,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172935218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:14:22,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:14:22,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 04:14:22,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278224817] [2022-11-23 04:14:22,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:14:22,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 04:14:22,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:14:22,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 04:14:22,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 04:14:22,041 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) [2022-11-23 04:14:23,590 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 [] [2022-11-23 04:14:25,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:27,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:41,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:44,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:51,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:14:59,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:00,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:15:00,439 INFO L93 Difference]: Finished difference Result 11423 states and 17168 transitions. [2022-11-23 04:15:00,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 04:15:00,444 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 [2022-11-23 04:15:00,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:15:00,490 INFO L225 Difference]: With dead ends: 11423 [2022-11-23 04:15:00,491 INFO L226 Difference]: Without dead ends: 6578 [2022-11-23 04:15:00,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-11-23 04:15:00,517 INFO L413 NwaCegarLoop]: 5757 mSDtfsCounter, 26031 mSDsluCounter, 6233 mSDsCounter, 0 mSdLazyCounter, 6296 mSolverCounterSat, 15455 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26835 SdHoareTripleChecker+Valid, 11990 SdHoareTripleChecker+Invalid, 21756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15455 IncrementalHoareTripleChecker+Valid, 6296 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.2s IncrementalHoareTripleChecker+Time [2022-11-23 04:15:00,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26835 Valid, 11990 Invalid, 21756 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15455 Valid, 6296 Invalid, 5 Unknown, 0 Unchecked, 37.2s Time] [2022-11-23 04:15:00,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6578 states. [2022-11-23 04:15:01,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6578 to 4895. [2022-11-23 04:15:01,024 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) [2022-11-23 04:15:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 7145 transitions. [2022-11-23 04:15:01,045 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 7145 transitions. Word has length 100 [2022-11-23 04:15:01,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:15:01,047 INFO L495 AbstractCegarLoop]: Abstraction has 4895 states and 7145 transitions. [2022-11-23 04:15:01,047 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) [2022-11-23 04:15:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 7145 transitions. [2022-11-23 04:15:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-23 04:15:01,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:15:01,054 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] [2022-11-23 04:15:01,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 04:15:01,055 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:15:01,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:15:01,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1709384334, now seen corresponding path program 1 times [2022-11-23 04:15:01,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:15:01,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430859357] [2022-11-23 04:15:01,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:15:01,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:15:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:15:02,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:15:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:15:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:15:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:15:02,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:15:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:15:03,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 04:15:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:15:03,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:15:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:15:03,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:15:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:15:03,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 04:15:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:15:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:15:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:15:03,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-23 04:15:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:15:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 04:15:03,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:15:03,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430859357] [2022-11-23 04:15:03,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430859357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:15:03,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:15:03,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 04:15:03,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316511070] [2022-11-23 04:15:03,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:15:03,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 04:15:03,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:15:03,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 04:15:03,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 04:15:03,129 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) [2022-11-23 04:15:05,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:07,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:09,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:11,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:13,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:30,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:32,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:34,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:36,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:42,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:44,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:46,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:51,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:15:53,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:04,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:06,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:08,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:10,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:10,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:16:10,840 INFO L93 Difference]: Finished difference Result 11439 states and 17185 transitions. [2022-11-23 04:16:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 04:16:10,840 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 [2022-11-23 04:16:10,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:16:10,881 INFO L225 Difference]: With dead ends: 11439 [2022-11-23 04:16:10,881 INFO L226 Difference]: Without dead ends: 6581 [2022-11-23 04:16:10,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-11-23 04:16:10,901 INFO L413 NwaCegarLoop]: 5622 mSDtfsCounter, 18695 mSDsluCounter, 11269 mSDsCounter, 0 mSdLazyCounter, 10823 mSolverCounterSat, 10576 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19533 SdHoareTripleChecker+Valid, 16891 SdHoareTripleChecker+Invalid, 21414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10576 IncrementalHoareTripleChecker+Valid, 10823 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.5s IncrementalHoareTripleChecker+Time [2022-11-23 04:16:10,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19533 Valid, 16891 Invalid, 21414 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10576 Valid, 10823 Invalid, 15 Unknown, 0 Unchecked, 66.5s Time] [2022-11-23 04:16:10,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6581 states. [2022-11-23 04:16:11,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6581 to 4894. [2022-11-23 04:16:11,428 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) [2022-11-23 04:16:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4894 states to 4894 states and 7142 transitions. [2022-11-23 04:16:11,450 INFO L78 Accepts]: Start accepts. Automaton has 4894 states and 7142 transitions. Word has length 101 [2022-11-23 04:16:11,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:16:11,451 INFO L495 AbstractCegarLoop]: Abstraction has 4894 states and 7142 transitions. [2022-11-23 04:16:11,451 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) [2022-11-23 04:16:11,451 INFO L276 IsEmpty]: Start isEmpty. Operand 4894 states and 7142 transitions. [2022-11-23 04:16:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-23 04:16:11,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:16:11,464 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] [2022-11-23 04:16:11,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 04:16:11,464 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:16:11,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:16:11,465 INFO L85 PathProgramCache]: Analyzing trace with hash -813319680, now seen corresponding path program 1 times [2022-11-23 04:16:11,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:16:11,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618278211] [2022-11-23 04:16:11,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:16:11,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:16:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:16:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:16:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:16:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 04:16:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:16:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:16:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 04:16:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:16:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 04:16:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:16:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:16:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-23 04:16:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:16:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:16:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 04:16:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:16:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:13,046 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-23 04:16:13,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:16:13,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618278211] [2022-11-23 04:16:13,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618278211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:16:13,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:16:13,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 04:16:13,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801401268] [2022-11-23 04:16:13,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:16:13,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 04:16:13,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:16:13,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 04:16:13,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 04:16:13,050 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) [2022-11-23 04:16:15,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:24,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:27,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:30,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:42,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:45,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:51,284 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 [] [2022-11-23 04:16:51,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:16:51,431 INFO L93 Difference]: Finished difference Result 15754 states and 23452 transitions. [2022-11-23 04:16:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 04:16:51,431 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 [2022-11-23 04:16:51,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:16:51,489 INFO L225 Difference]: With dead ends: 15754 [2022-11-23 04:16:51,489 INFO L226 Difference]: Without dead ends: 10897 [2022-11-23 04:16:51,507 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 [2022-11-23 04:16:51,508 INFO L413 NwaCegarLoop]: 6512 mSDtfsCounter, 16084 mSDsluCounter, 8375 mSDsCounter, 0 mSdLazyCounter, 7161 mSolverCounterSat, 10155 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16842 SdHoareTripleChecker+Valid, 14887 SdHoareTripleChecker+Invalid, 17321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10155 IncrementalHoareTripleChecker+Valid, 7161 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2022-11-23 04:16:51,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16842 Valid, 14887 Invalid, 17321 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10155 Valid, 7161 Invalid, 5 Unknown, 0 Unchecked, 37.1s Time] [2022-11-23 04:16:51,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10897 states. [2022-11-23 04:16:52,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10897 to 9620. [2022-11-23 04:16:52,434 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) [2022-11-23 04:16:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9620 states to 9620 states and 14086 transitions. [2022-11-23 04:16:52,477 INFO L78 Accepts]: Start accepts. Automaton has 9620 states and 14086 transitions. Word has length 118 [2022-11-23 04:16:52,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:16:52,477 INFO L495 AbstractCegarLoop]: Abstraction has 9620 states and 14086 transitions. [2022-11-23 04:16:52,478 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) [2022-11-23 04:16:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 9620 states and 14086 transitions. [2022-11-23 04:16:52,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-23 04:16:52,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:16:52,487 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] [2022-11-23 04:16:52,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 04:16:52,487 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:16:52,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:16:52,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1901061110, now seen corresponding path program 1 times [2022-11-23 04:16:52,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:16:52,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904159146] [2022-11-23 04:16:52,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:16:52,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:16:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:16:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:54,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:16:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:16:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 04:16:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:54,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:16:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:54,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:16:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:54,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 04:16:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:54,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:16:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:54,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 04:16:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:16:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 04:16:54,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:16:54,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904159146] [2022-11-23 04:16:54,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904159146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:16:54,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:16:54,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 04:16:54,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445935568] [2022-11-23 04:16:54,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:16:54,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 04:16:54,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:16:54,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 04:16:54,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 04:16:54,413 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) [2022-11-23 04:16:56,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:16:58,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:17:00,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:17:11,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:17:14,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:17:18,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:17:23,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:17:31,759 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 [] [2022-11-23 04:17:32,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:17:32,729 INFO L93 Difference]: Finished difference Result 22499 states and 33884 transitions. [2022-11-23 04:17:32,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 04:17:32,730 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 103 [2022-11-23 04:17:32,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:17:32,811 INFO L225 Difference]: With dead ends: 22499 [2022-11-23 04:17:32,812 INFO L226 Difference]: Without dead ends: 12916 [2022-11-23 04:17:32,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-11-23 04:17:32,857 INFO L413 NwaCegarLoop]: 5645 mSDtfsCounter, 20574 mSDsluCounter, 6121 mSDsCounter, 0 mSdLazyCounter, 6458 mSolverCounterSat, 12293 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21425 SdHoareTripleChecker+Valid, 11766 SdHoareTripleChecker+Invalid, 18757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12293 IncrementalHoareTripleChecker+Valid, 6458 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time [2022-11-23 04:17:32,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21425 Valid, 11766 Invalid, 18757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12293 Valid, 6458 Invalid, 6 Unknown, 0 Unchecked, 36.8s Time] [2022-11-23 04:17:32,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12916 states. [2022-11-23 04:17:33,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12916 to 9560. [2022-11-23 04:17:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9560 states, 6883 states have (on average 1.3712044166787738) internal successors, (9438), 7031 states have internal predecessors, (9438), 2276 states have call successors, (2276), 400 states have call predecessors, (2276), 400 states have return successors, (2278), 2238 states have call predecessors, (2278), 2275 states have call successors, (2278) [2022-11-23 04:17:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9560 states to 9560 states and 13992 transitions. [2022-11-23 04:17:33,985 INFO L78 Accepts]: Start accepts. Automaton has 9560 states and 13992 transitions. Word has length 103 [2022-11-23 04:17:33,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:17:33,986 INFO L495 AbstractCegarLoop]: Abstraction has 9560 states and 13992 transitions. [2022-11-23 04:17:33,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-11-23 04:17:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 9560 states and 13992 transitions. [2022-11-23 04:17:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-23 04:17:34,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:17:34,001 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:17:34,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 04:17:34,002 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:17:34,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:17:34,002 INFO L85 PathProgramCache]: Analyzing trace with hash 35484688, now seen corresponding path program 1 times [2022-11-23 04:17:34,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:17:34,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542296651] [2022-11-23 04:17:34,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:17:34,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:17:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 04:17:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:17:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:17:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 04:17:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:17:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:17:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 04:17:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:17:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-23 04:17:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:17:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:17:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-23 04:17:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:17:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:17:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 04:17:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:17:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:17:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 04:17:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:17:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 04:17:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 04:17:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:17:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 04:17:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:17:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-23 04:17:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:17:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 04:17:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 04:17:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:17:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-11-23 04:17:35,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:17:35,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542296651] [2022-11-23 04:17:35,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542296651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:17:35,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:17:35,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 04:17:35,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498457973] [2022-11-23 04:17:35,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:17:35,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 04:17:35,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:17:35,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 04:17:35,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 04:17:35,635 INFO L87 Difference]: Start difference. First operand 9560 states and 13992 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 04:17:37,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:17:39,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:17:49,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:17:51,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:17:54,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:17:58,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:18:00,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:18:13,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:18:15,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 04:18:24,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:18:24,229 INFO L93 Difference]: Finished difference Result 30820 states and 45964 transitions. [2022-11-23 04:18:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 04:18:24,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 192 [2022-11-23 04:18:24,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:18:24,358 INFO L225 Difference]: With dead ends: 30820 [2022-11-23 04:18:24,358 INFO L226 Difference]: Without dead ends: 21297 [2022-11-23 04:18:24,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-23 04:18:24,406 INFO L413 NwaCegarLoop]: 6500 mSDtfsCounter, 12283 mSDsluCounter, 11302 mSDsCounter, 0 mSdLazyCounter, 9575 mSolverCounterSat, 6823 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13039 SdHoareTripleChecker+Valid, 17802 SdHoareTripleChecker+Invalid, 16407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6823 IncrementalHoareTripleChecker+Valid, 9575 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.5s IncrementalHoareTripleChecker+Time [2022-11-23 04:18:24,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13039 Valid, 17802 Invalid, 16407 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6823 Valid, 9575 Invalid, 9 Unknown, 0 Unchecked, 46.5s Time] [2022-11-23 04:18:24,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21297 states. [2022-11-23 04:18:26,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21297 to 18742. [2022-11-23 04:18:26,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18742 states, 13496 states have (on average 1.373221695317131) internal successors, (18533), 13791 states have internal predecessors, (18533), 4473 states have call successors, (4473), 772 states have call predecessors, (4473), 772 states have return successors, (4478), 4397 states have call predecessors, (4478), 4472 states have call successors, (4478) [2022-11-23 04:18:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18742 states to 18742 states and 27484 transitions. [2022-11-23 04:18:26,453 INFO L78 Accepts]: Start accepts. Automaton has 18742 states and 27484 transitions. Word has length 192 [2022-11-23 04:18:26,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:18:26,454 INFO L495 AbstractCegarLoop]: Abstraction has 18742 states and 27484 transitions. [2022-11-23 04:18:26,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 04:18:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 18742 states and 27484 transitions. [2022-11-23 04:18:26,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-23 04:18:26,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:18:26,469 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:18:26,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 04:18:26,470 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:18:26,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:18:26,470 INFO L85 PathProgramCache]: Analyzing trace with hash 447479845, now seen corresponding path program 1 times [2022-11-23 04:18:26,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:18:26,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687649559] [2022-11-23 04:18:26,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:18:26,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms