./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--zd1211rw--zd1211rw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ff02e03a986f1a19fc84bb8ebf84ed80dd5601fff7cc4c17c4d87ec97b443afa --- 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-5e519f3 [2022-11-03 02:53:05,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:53:05,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:53:05,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:53:05,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:53:05,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:53:05,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:53:05,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:53:05,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:53:05,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:53:05,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:53:05,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:53:05,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:53:05,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:53:05,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:53:05,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:53:05,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:53:05,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:53:05,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:53:05,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:53:05,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:53:05,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:53:05,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:53:05,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:53:05,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:53:05,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:53:05,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:53:05,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:53:05,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:53:05,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:53:05,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:53:05,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:53:05,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:53:05,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:53:05,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:53:05,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:53:05,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:53:05,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:53:05,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:53:05,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:53:05,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:53:05,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:53:05,443 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:53:05,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:53:05,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:53:05,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:53:05,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:53:05,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:53:05,446 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:53:05,447 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:53:05,447 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:53:05,447 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:53:05,448 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:53:05,448 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:53:05,448 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:53:05,449 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:53:05,449 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:53:05,449 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:53:05,450 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:53:05,450 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:53:05,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:53:05,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:53:05,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:53:05,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:53:05,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:53:05,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:53:05,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:53:05,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:53:05,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:53:05,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:53:05,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:53:05,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:05,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:53:05,454 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:53:05,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:53:05,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:53:05,455 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:53:05,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:53:05,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:53:05,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:53:05,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff02e03a986f1a19fc84bb8ebf84ed80dd5601fff7cc4c17c4d87ec97b443afa [2022-11-03 02:53:05,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:53:05,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:53:05,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:53:05,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:53:05,901 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:53:05,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-03 02:53:05,994 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/data/b122b5872/14ce7b6b45b2460591e415f9af0e6a56/FLAG0b122d2c6 [2022-11-03 02:53:07,495 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:53:07,496 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-03 02:53:07,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/data/b122b5872/14ce7b6b45b2460591e415f9af0e6a56/FLAG0b122d2c6 [2022-11-03 02:53:08,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/data/b122b5872/14ce7b6b45b2460591e415f9af0e6a56 [2022-11-03 02:53:08,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:53:08,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:53:08,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:08,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:53:08,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:53:08,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:08" (1/1) ... [2022-11-03 02:53:08,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32faab5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:08, skipping insertion in model container [2022-11-03 02:53:08,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:08" (1/1) ... [2022-11-03 02:53:08,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:53:08,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:53:14,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[636672,636685] [2022-11-03 02:53:14,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:14,993 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:53:15,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[636672,636685] [2022-11-03 02:53:15,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:16,120 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:53:16,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16 WrapperNode [2022-11-03 02:53:16,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:16,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:16,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:53:16,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:53:16,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (1/1) ... [2022-11-03 02:53:16,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (1/1) ... [2022-11-03 02:53:16,906 INFO L138 Inliner]: procedures = 662, calls = 8707, calls flagged for inlining = 271, calls inlined = 268, statements flattened = 15877 [2022-11-03 02:53:16,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:16,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:53:16,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:53:16,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:53:16,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (1/1) ... [2022-11-03 02:53:16,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (1/1) ... [2022-11-03 02:53:17,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (1/1) ... [2022-11-03 02:53:17,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (1/1) ... [2022-11-03 02:53:17,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (1/1) ... [2022-11-03 02:53:17,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (1/1) ... [2022-11-03 02:53:17,779 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (1/1) ... [2022-11-03 02:53:17,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (1/1) ... [2022-11-03 02:53:17,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:53:17,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:53:17,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:53:17,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:53:17,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (1/1) ... [2022-11-03 02:53:18,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:18,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:18,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:53:18,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0def28-d058-4fcf-84ae-11391890dd73/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:53:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 02:53:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 02:53:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2022-11-03 02:53:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2022-11-03 02:53:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2022-11-03 02:53:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2022-11-03 02:53:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2022-11-03 02:53:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2022-11-03 02:53:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:53:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:53:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-03 02:53:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-03 02:53:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-11-03 02:53:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-11-03 02:53:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2022-11-03 02:53:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2022-11-03 02:53:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 02:53:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 02:53:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2022-11-03 02:53:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2022-11-03 02:53:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:53:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:53:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-03 02:53:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-03 02:53:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2022-11-03 02:53:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2022-11-03 02:53:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-03 02:53:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-03 02:53:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2022-11-03 02:53:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2022-11-03 02:53:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2022-11-03 02:53:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2022-11-03 02:53:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2022-11-03 02:53:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2022-11-03 02:53:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2022-11-03 02:53:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2022-11-03 02:53:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2022-11-03 02:53:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2022-11-03 02:53:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2022-11-03 02:53:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2022-11-03 02:53:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-11-03 02:53:18,222 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-11-03 02:53:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:53:18,222 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:53:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2022-11-03 02:53:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2022-11-03 02:53:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2022-11-03 02:53:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2022-11-03 02:53:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2022-11-03 02:53:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2022-11-03 02:53:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 02:53:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2022-11-03 02:53:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2022-11-03 02:53:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-03 02:53:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-03 02:53:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2022-11-03 02:53:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2022-11-03 02:53:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-03 02:53:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-03 02:53:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2022-11-03 02:53:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2022-11-03 02:53:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:53:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:53:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:53:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2022-11-03 02:53:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2022-11-03 02:53:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:53:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:53:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2022-11-03 02:53:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2022-11-03 02:53:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2022-11-03 02:53:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2022-11-03 02:53:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2022-11-03 02:53:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2022-11-03 02:53:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2022-11-03 02:53:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2022-11-03 02:53:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-03 02:53:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-03 02:53:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:53:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:53:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2022-11-03 02:53:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2022-11-03 02:53:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-03 02:53:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-03 02:53:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:53:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:53:18,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:53:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:53:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2022-11-03 02:53:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2022-11-03 02:53:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2022-11-03 02:53:18,247 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2022-11-03 02:53:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure beacon_watchdog_handler [2022-11-03 02:53:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure beacon_watchdog_handler [2022-11-03 02:53:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2022-11-03 02:53:18,248 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2022-11-03 02:53:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:53:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2022-11-03 02:53:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2022-11-03 02:53:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2022-11-03 02:53:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2022-11-03 02:53:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2022-11-03 02:53:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2022-11-03 02:53:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2022-11-03 02:53:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2022-11-03 02:53:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2022-11-03 02:53:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2022-11-03 02:53:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2022-11-03 02:53:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2022-11-03 02:53:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:53:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:53:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2022-11-03 02:53:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2022-11-03 02:53:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-03 02:53:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-03 02:53:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:53:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:53:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2022-11-03 02:53:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2022-11-03 02:53:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-03 02:53:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-03 02:53:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2022-11-03 02:53:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2022-11-03 02:53:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2022-11-03 02:53:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2022-11-03 02:53:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2022-11-03 02:53:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2022-11-03 02:53:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2022-11-03 02:53:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2022-11-03 02:53:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 02:53:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 02:53:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-03 02:53:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-03 02:53:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:53:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2022-11-03 02:53:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2022-11-03 02:53:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 02:53:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2022-11-03 02:53:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2022-11-03 02:53:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 02:53:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 02:53:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2022-11-03 02:53:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2022-11-03 02:53:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2022-11-03 02:53:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2022-11-03 02:53:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:53:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-03 02:53:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-03 02:53:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2022-11-03 02:53:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2022-11-03 02:53:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:53:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2022-11-03 02:53:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2022-11-03 02:53:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:53:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:53:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:53:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 02:53:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 02:53:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2022-11-03 02:53:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2022-11-03 02:53:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-11-03 02:53:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-11-03 02:53:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:53:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:53:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2022-11-03 02:53:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2022-11-03 02:53:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-03 02:53:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-03 02:53:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2022-11-03 02:53:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2022-11-03 02:53:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2022-11-03 02:53:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2022-11-03 02:53:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2022-11-03 02:53:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2022-11-03 02:53:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2022-11-03 02:53:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2022-11-03 02:53:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-03 02:53:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-03 02:53:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2022-11-03 02:53:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2022-11-03 02:53:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2022-11-03 02:53:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2022-11-03 02:53:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2022-11-03 02:53:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2022-11-03 02:53:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2022-11-03 02:53:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2022-11-03 02:53:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2022-11-03 02:53:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2022-11-03 02:53:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2022-11-03 02:53:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2022-11-03 02:53:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-03 02:53:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-03 02:53:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:53:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:53:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2022-11-03 02:53:18,279 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2022-11-03 02:53:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:53:18,279 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:53:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2022-11-03 02:53:18,279 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2022-11-03 02:53:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2022-11-03 02:53:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2022-11-03 02:53:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 02:53:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 02:53:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2022-11-03 02:53:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2022-11-03 02:53:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 02:53:18,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 02:53:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:53:18,281 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:53:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2022-11-03 02:53:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2022-11-03 02:53:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-03 02:53:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-03 02:53:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-03 02:53:18,282 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-03 02:53:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2022-11-03 02:53:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2022-11-03 02:53:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2022-11-03 02:53:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2022-11-03 02:53:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:53:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:53:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-03 02:53:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-03 02:53:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2022-11-03 02:53:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2022-11-03 02:53:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-03 02:53:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-03 02:53:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:53:18,285 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:53:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2022-11-03 02:53:18,285 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2022-11-03 02:53:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2022-11-03 02:53:18,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2022-11-03 02:53:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2022-11-03 02:53:18,286 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2022-11-03 02:53:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-03 02:53:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-03 02:53:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:53:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:53:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2022-11-03 02:53:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2022-11-03 02:53:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:53:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:53:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 02:53:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 02:53:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rx_idle_timer_handler [2022-11-03 02:53:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rx_idle_timer_handler [2022-11-03 02:53:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2022-11-03 02:53:18,296 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2022-11-03 02:53:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2022-11-03 02:53:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2022-11-03 02:53:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-03 02:53:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-03 02:53:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2022-11-03 02:53:18,297 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2022-11-03 02:53:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2022-11-03 02:53:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2022-11-03 02:53:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2022-11-03 02:53:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2022-11-03 02:53:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2022-11-03 02:53:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2022-11-03 02:53:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2022-11-03 02:53:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2022-11-03 02:53:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2022-11-03 02:53:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2022-11-03 02:53:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2022-11-03 02:53:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2022-11-03 02:53:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:53:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:53:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-03 02:53:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-03 02:53:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:53:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:53:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 02:53:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 02:53:18,301 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2022-11-03 02:53:18,301 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2022-11-03 02:53:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:53:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:53:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:53:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:53:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2022-11-03 02:53:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2022-11-03 02:53:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2022-11-03 02:53:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2022-11-03 02:53:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:53:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:53:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-03 02:53:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-03 02:53:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:53:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:53:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:53:18,304 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2022-11-03 02:53:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2022-11-03 02:53:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2022-11-03 02:53:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2022-11-03 02:53:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2022-11-03 02:53:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2022-11-03 02:53:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:53:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 02:53:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 02:53:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-11-03 02:53:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-11-03 02:53:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-03 02:53:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-03 02:53:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2022-11-03 02:53:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2022-11-03 02:53:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:53:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2022-11-03 02:53:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2022-11-03 02:53:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-11-03 02:53:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-11-03 02:53:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 02:53:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 02:53:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-03 02:53:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-03 02:53:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-03 02:53:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-03 02:53:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-11-03 02:53:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-11-03 02:53:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure zd_tx_watchdog_handler [2022-11-03 02:53:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_tx_watchdog_handler [2022-11-03 02:53:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 02:53:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 02:53:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2022-11-03 02:53:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2022-11-03 02:53:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2022-11-03 02:53:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2022-11-03 02:53:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-03 02:53:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-03 02:53:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:53:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:53:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-03 02:53:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-03 02:53:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2022-11-03 02:53:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2022-11-03 02:53:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-03 02:53:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-03 02:53:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2022-11-03 02:53:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2022-11-03 02:53:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2022-11-03 02:53:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2022-11-03 02:53:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2022-11-03 02:53:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2022-11-03 02:53:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-03 02:53:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-03 02:53:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2022-11-03 02:53:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2022-11-03 02:53:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2022-11-03 02:53:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2022-11-03 02:53:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2022-11-03 02:53:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2022-11-03 02:53:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-03 02:53:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-03 02:53:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:53:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:53:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2022-11-03 02:53:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2022-11-03 02:53:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-03 02:53:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-03 02:53:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:53:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:53:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-03 02:53:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-03 02:53:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2022-11-03 02:53:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2022-11-03 02:53:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:53:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2022-11-03 02:53:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2022-11-03 02:53:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2022-11-03 02:53:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2022-11-03 02:53:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 02:53:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 02:53:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:53:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:53:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2022-11-03 02:53:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2022-11-03 02:53:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2022-11-03 02:53:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2022-11-03 02:53:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2022-11-03 02:53:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2022-11-03 02:53:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 02:53:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 02:53:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2022-11-03 02:53:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2022-11-03 02:53:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2022-11-03 02:53:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2022-11-03 02:53:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2022-11-03 02:53:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2022-11-03 02:53:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2022-11-03 02:53:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2022-11-03 02:53:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-03 02:53:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-03 02:53:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2022-11-03 02:53:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2022-11-03 02:53:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2022-11-03 02:53:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2022-11-03 02:53:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure zd_process_intr [2022-11-03 02:53:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_process_intr [2022-11-03 02:53:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-11-03 02:53:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-11-03 02:53:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure link_led_handler [2022-11-03 02:53:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure link_led_handler [2022-11-03 02:53:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 02:53:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 02:53:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-11-03 02:53:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-11-03 02:53:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2022-11-03 02:53:18,326 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2022-11-03 02:53:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 02:53:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 02:53:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2022-11-03 02:53:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2022-11-03 02:53:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2022-11-03 02:53:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2022-11-03 02:53:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:53:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:53:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2022-11-03 02:53:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2022-11-03 02:53:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2022-11-03 02:53:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2022-11-03 02:53:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2022-11-03 02:53:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2022-11-03 02:53:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2022-11-03 02:53:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2022-11-03 02:53:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:53:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2022-11-03 02:53:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2022-11-03 02:53:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-03 02:53:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-03 02:53:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2022-11-03 02:53:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2022-11-03 02:53:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-03 02:53:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-03 02:53:20,216 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:53:20,223 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:53:25,346 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:57:49,339 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:57:52,218 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:57:52,218 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:57:52,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:57:52 BoogieIcfgContainer [2022-11-03 02:57:52,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:57:52,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:57:52,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:57:52,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:57:52,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:53:08" (1/3) ... [2022-11-03 02:57:52,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c78b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:57:52, skipping insertion in model container [2022-11-03 02:57:52,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:16" (2/3) ... [2022-11-03 02:57:52,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c78b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:57:52, skipping insertion in model container [2022-11-03 02:57:52,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:57:52" (3/3) ... [2022-11-03 02:57:52,234 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-03 02:57:52,252 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:57:52,253 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:57:52,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:57:52,373 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=FINITE_AUTOMATA, 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;@63fc1f4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:57:52,373 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:57:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 3323 states, 1957 states have (on average 1.3065917220235053) internal successors, (2557), 2060 states have internal predecessors, (2557), 1157 states have call successors, (1157), 208 states have call predecessors, (1157), 207 states have return successors, (1151), 1142 states have call predecessors, (1151), 1151 states have call successors, (1151) [2022-11-03 02:57:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-03 02:57:52,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:57:52,400 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:57:52,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:57:52,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:57:52,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1981086751, now seen corresponding path program 1 times [2022-11-03 02:57:52,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:57:52,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089224921] [2022-11-03 02:57:52,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:57:52,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:57:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:57:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:57:53,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:57:53,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089224921] [2022-11-03 02:57:53,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089224921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:57:53,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:57:53,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:57:53,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851214200] [2022-11-03 02:57:53,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:57:53,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:57:53,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:57:54,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:57:54,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:57:54,033 INFO L87 Difference]: Start difference. First operand has 3323 states, 1957 states have (on average 1.3065917220235053) internal successors, (2557), 2060 states have internal predecessors, (2557), 1157 states have call successors, (1157), 208 states have call predecessors, (1157), 207 states have return successors, (1151), 1142 states have call predecessors, (1151), 1151 states have call successors, (1151) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 02:57:57,969 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 [] [2022-11-03 02:58:03,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:58:12,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:58:12,919 INFO L93 Difference]: Finished difference Result 9206 states and 13985 transitions. [2022-11-03 02:58:12,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:58:12,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2022-11-03 02:58:12,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:58:12,984 INFO L225 Difference]: With dead ends: 9206 [2022-11-03 02:58:12,984 INFO L226 Difference]: Without dead ends: 5854 [2022-11-03 02:58:13,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:58:13,021 INFO L413 NwaCegarLoop]: 6613 mSDtfsCounter, 3733 mSDsluCounter, 4842 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3737 SdHoareTripleChecker+Valid, 10989 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:58:13,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3737 Valid, 10989 Invalid, 1149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1143 Invalid, 2 Unknown, 0 Unchecked, 18.4s Time] [2022-11-03 02:58:13,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5854 states. [2022-11-03 02:58:13,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5854 to 5849. [2022-11-03 02:58:13,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5849 states, 3460 states have (on average 1.3026011560693642) internal successors, (4507), 3624 states have internal predecessors, (4507), 2015 states have call successors, (2015), 375 states have call predecessors, (2015), 373 states have return successors, (2015), 2001 states have call predecessors, (2015), 2013 states have call successors, (2015) [2022-11-03 02:58:13,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5849 states to 5849 states and 8537 transitions. [2022-11-03 02:58:13,495 INFO L78 Accepts]: Start accepts. Automaton has 5849 states and 8537 transitions. Word has length 44 [2022-11-03 02:58:13,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:58:13,497 INFO L495 AbstractCegarLoop]: Abstraction has 5849 states and 8537 transitions. [2022-11-03 02:58:13,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 02:58:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 5849 states and 8537 transitions. [2022-11-03 02:58:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-03 02:58:13,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:58:13,512 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:58:13,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:58:13,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:58:13,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:58:13,514 INFO L85 PathProgramCache]: Analyzing trace with hash 2097548475, now seen corresponding path program 1 times [2022-11-03 02:58:13,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:58:13,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964120996] [2022-11-03 02:58:13,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:58:13,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:58:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:58:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 02:58:15,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:58:15,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964120996] [2022-11-03 02:58:15,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964120996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:58:15,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:58:15,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:58:15,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805645317] [2022-11-03 02:58:15,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:58:15,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:58:15,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:58:15,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:58:15,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:58:15,390 INFO L87 Difference]: Start difference. First operand 5849 states and 8537 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 02:58:18,774 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 [] [2022-11-03 02:58:24,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:58:33,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:58:33,233 INFO L93 Difference]: Finished difference Result 10097 states and 14932 transitions. [2022-11-03 02:58:33,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:58:33,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 80 [2022-11-03 02:58:33,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:58:33,326 INFO L225 Difference]: With dead ends: 10097 [2022-11-03 02:58:33,327 INFO L226 Difference]: Without dead ends: 10094 [2022-11-03 02:58:33,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:58:33,336 INFO L413 NwaCegarLoop]: 5634 mSDtfsCounter, 4558 mSDsluCounter, 3877 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4558 SdHoareTripleChecker+Valid, 9127 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:58:33,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4558 Valid, 9127 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 919 Invalid, 2 Unknown, 0 Unchecked, 17.5s Time] [2022-11-03 02:58:33,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10094 states. [2022-11-03 02:58:34,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10094 to 10013. [2022-11-03 02:58:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10013 states, 5956 states have (on average 1.3030557421087978) internal successors, (7761), 6254 states have internal predecessors, (7761), 3386 states have call successors, (3386), 691 states have call predecessors, (3386), 670 states have return successors, (3645), 3317 states have call predecessors, (3645), 3383 states have call successors, (3645) [2022-11-03 02:58:34,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10013 states to 10013 states and 14792 transitions. [2022-11-03 02:58:34,386 INFO L78 Accepts]: Start accepts. Automaton has 10013 states and 14792 transitions. Word has length 80 [2022-11-03 02:58:34,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:58:34,386 INFO L495 AbstractCegarLoop]: Abstraction has 10013 states and 14792 transitions. [2022-11-03 02:58:34,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 02:58:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 10013 states and 14792 transitions. [2022-11-03 02:58:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-03 02:58:34,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:58:34,415 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:58:34,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:58:34,422 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:58:34,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:58:34,423 INFO L85 PathProgramCache]: Analyzing trace with hash 245336641, now seen corresponding path program 1 times [2022-11-03 02:58:34,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:58:34,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174677895] [2022-11-03 02:58:34,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:58:34,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:58:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:58:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 02:58:37,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:58:37,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174677895] [2022-11-03 02:58:37,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174677895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:58:37,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:58:37,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:58:37,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793473310] [2022-11-03 02:58:37,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:58:37,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:58:37,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:58:37,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:58:37,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:58:37,523 INFO L87 Difference]: Start difference. First operand 10013 states and 14792 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-03 02:59:59,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:00:03,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:00:25,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:27,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:00:48,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:05,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:06,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:08,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:14,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:16,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:34,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:46,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:48,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:49,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:52,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:56,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:01:59,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:02:03,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:02:05,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:02:17,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:02:17,437 INFO L93 Difference]: Finished difference Result 33087 states and 49046 transitions. [2022-11-03 03:02:17,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 03:02:17,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 180 [2022-11-03 03:02:17,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:02:17,635 INFO L225 Difference]: With dead ends: 33087 [2022-11-03 03:02:17,636 INFO L226 Difference]: Without dead ends: 23067 [2022-11-03 03:02:17,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:02:17,717 INFO L413 NwaCegarLoop]: 6494 mSDtfsCounter, 7344 mSDsluCounter, 6644 mSDsCounter, 0 mSdLazyCounter, 22933 mSolverCounterSat, 6351 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 209.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8438 SdHoareTripleChecker+Valid, 12252 SdHoareTripleChecker+Invalid, 29291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6351 IncrementalHoareTripleChecker+Valid, 22933 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 217.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:02:17,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8438 Valid, 12252 Invalid, 29291 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6351 Valid, 22933 Invalid, 7 Unknown, 0 Unchecked, 217.4s Time] [2022-11-03 03:02:17,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23067 states. [2022-11-03 03:02:19,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23067 to 22742. [2022-11-03 03:02:19,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22742 states, 13503 states have (on average 1.3027475375842406) internal successors, (17591), 14279 states have internal predecessors, (17591), 7625 states have call successors, (7625), 1617 states have call predecessors, (7625), 1613 states have return successors, (8515), 7445 states have call predecessors, (8515), 7618 states have call successors, (8515) [2022-11-03 03:02:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22742 states to 22742 states and 33731 transitions. [2022-11-03 03:02:19,504 INFO L78 Accepts]: Start accepts. Automaton has 22742 states and 33731 transitions. Word has length 180 [2022-11-03 03:02:19,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:02:19,505 INFO L495 AbstractCegarLoop]: Abstraction has 22742 states and 33731 transitions. [2022-11-03 03:02:19,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-03 03:02:19,506 INFO L276 IsEmpty]: Start isEmpty. Operand 22742 states and 33731 transitions. [2022-11-03 03:02:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-03 03:02:19,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:02:19,531 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:02:19,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:02:19,531 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:02:19,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:02:19,533 INFO L85 PathProgramCache]: Analyzing trace with hash -63965200, now seen corresponding path program 1 times [2022-11-03 03:02:19,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:02:19,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981174412] [2022-11-03 03:02:19,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:02:19,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:02:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:02:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 03:02:21,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:02:21,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981174412] [2022-11-03 03:02:21,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981174412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:02:21,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:02:21,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:02:21,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444353604] [2022-11-03 03:02:21,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:02:21,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:02:21,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:02:21,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:02:21,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:02:21,776 INFO L87 Difference]: Start difference. First operand 22742 states and 33731 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 4 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-11-03 03:02:41,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:02:43,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:03:38,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:04:09,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:04:31,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:04:32,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:04:34,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:04:39,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:04:59,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:05:11,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:05:18,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:05:20,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:05:22,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:05:23,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:05:38,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:05:38,240 INFO L93 Difference]: Finished difference Result 59930 states and 89382 transitions. [2022-11-03 03:05:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 03:05:38,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 4 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 188 [2022-11-03 03:05:38,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:05:38,493 INFO L225 Difference]: With dead ends: 59930 [2022-11-03 03:05:38,493 INFO L226 Difference]: Without dead ends: 37179 [2022-11-03 03:05:38,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:05:38,613 INFO L413 NwaCegarLoop]: 5788 mSDtfsCounter, 5288 mSDsluCounter, 6486 mSDsCounter, 0 mSdLazyCounter, 20747 mSolverCounterSat, 4599 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 186.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6349 SdHoareTripleChecker+Valid, 11378 SdHoareTripleChecker+Invalid, 25351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4599 IncrementalHoareTripleChecker+Valid, 20747 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 193.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:05:38,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6349 Valid, 11378 Invalid, 25351 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4599 Valid, 20747 Invalid, 5 Unknown, 0 Unchecked, 193.4s Time] [2022-11-03 03:05:38,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37179 states. [2022-11-03 03:05:41,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37179 to 36846. [2022-11-03 03:05:41,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36846 states, 21871 states have (on average 1.301586575831009) internal successors, (28467), 23149 states have internal predecessors, (28467), 12318 states have call successors, (12318), 2660 states have call predecessors, (12318), 2656 states have return successors, (13912), 12027 states have call predecessors, (13912), 12303 states have call successors, (13912) [2022-11-03 03:05:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36846 states to 36846 states and 54697 transitions. [2022-11-03 03:05:41,764 INFO L78 Accepts]: Start accepts. Automaton has 36846 states and 54697 transitions. Word has length 188 [2022-11-03 03:05:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:05:41,765 INFO L495 AbstractCegarLoop]: Abstraction has 36846 states and 54697 transitions. [2022-11-03 03:05:41,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 4 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-11-03 03:05:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 36846 states and 54697 transitions. [2022-11-03 03:05:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-03 03:05:41,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:05:41,793 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:05:41,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:05:41,793 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:05:41,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:05:41,794 INFO L85 PathProgramCache]: Analyzing trace with hash 251513028, now seen corresponding path program 1 times [2022-11-03 03:05:41,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:05:41,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67376275] [2022-11-03 03:05:41,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:05:41,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:05:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:05:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 03:05:44,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:05:44,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67376275] [2022-11-03 03:05:44,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67376275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:05:44,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:05:44,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:05:44,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422895621] [2022-11-03 03:05:44,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:05:44,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:05:44,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:05:44,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:05:44,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:05:44,719 INFO L87 Difference]: Start difference. First operand 36846 states and 54697 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-03 03:05:59,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:06:02,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []