./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW --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 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:16:28,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:16:28,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:16:28,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:16:28,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:16:28,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:16:28,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:16:28,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:16:28,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:16:28,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:16:28,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:16:28,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:16:28,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:16:28,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:16:28,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:16:28,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:16:28,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:16:28,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:16:28,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:16:28,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:16:28,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:16:28,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:16:28,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:16:28,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:16:28,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:16:28,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:16:28,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:16:28,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:16:28,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:16:28,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:16:28,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:16:28,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:16:28,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:16:28,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:16:28,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:16:28,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:16:28,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:16:28,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:16:28,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:16:28,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:16:28,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:16:28,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:16:28,639 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:16:28,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:16:28,640 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:16:28,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:16:28,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:16:28,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:16:28,649 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:16:28,649 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:16:28,649 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:16:28,650 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:16:28,650 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:16:28,650 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:16:28,650 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:16:28,651 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:16:28,651 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:16:28,651 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:16:28,651 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:16:28,651 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:16:28,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:16:28,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:16:28,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:16:28,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:16:28,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:16:28,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:16:28,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:16:28,654 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:16:28,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:16:28,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:16:28,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:16:28,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:16:28,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:16:28,655 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:16:28,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:16:28,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:16:28,656 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:16:28,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:16:28,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:16:28,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:16:28,656 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_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2022-11-23 15:16:28,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:16:28,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:16:28,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:16:28,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:16:28,930 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:16:28,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-23 15:16:32,009 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:16:32,940 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:16:32,940 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-23 15:16:33,024 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/data/33c8555ce/a08c006b30ee4dc49d87ad05dd67c666/FLAGc1cc39165 [2022-11-23 15:16:33,043 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/data/33c8555ce/a08c006b30ee4dc49d87ad05dd67c666 [2022-11-23 15:16:33,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:16:33,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:16:33,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:16:33,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:16:33,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:16:33,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:16:33" (1/1) ... [2022-11-23 15:16:33,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4432d892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:33, skipping insertion in model container [2022-11-23 15:16:33,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:16:33" (1/1) ... [2022-11-23 15:16:33,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:16:33,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:16:39,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2022-11-23 15:16:39,890 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2022-11-23 15:16:39,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:16:40,015 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:16:40,816 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2022-11-23 15:16:40,818 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2022-11-23 15:16:40,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:16:41,208 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:16:41,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41 WrapperNode [2022-11-23 15:16:41,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:16:41,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:16:41,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:16:41,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:16:41,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 15:16:41,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 15:16:42,022 INFO L138 Inliner]: procedures = 696, calls = 7010, calls flagged for inlining = 319, calls inlined = 300, statements flattened = 13552 [2022-11-23 15:16:42,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:16:42,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:16:42,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:16:42,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:16:42,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 15:16:42,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 15:16:42,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 15:16:42,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 15:16:42,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 15:16:42,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 15:16:42,713 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 15:16:42,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 15:16:42,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:16:42,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:16:42,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:16:42,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:16:42,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (1/1) ... [2022-11-23 15:16:42,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:16:42,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:16:42,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:16:42,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:16:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-11-23 15:16:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-11-23 15:16:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-11-23 15:16:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-11-23 15:16:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-23 15:16:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-11-23 15:16:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-11-23 15:16:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-23 15:16:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-11-23 15:16:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-11-23 15:16:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-23 15:16:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-23 15:16:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-11-23 15:16:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-11-23 15:16:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:16:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:16:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_85 [2022-11-23 15:16:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_85 [2022-11-23 15:16:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-11-23 15:16:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-11-23 15:16:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 15:16:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 15:16:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:16:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:16:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-11-23 15:16:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-11-23 15:16:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-11-23 15:16:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-11-23 15:16:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-11-23 15:16:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-11-23 15:16:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-11-23 15:16:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-11-23 15:16:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-23 15:16:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-23 15:16:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-23 15:16:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-23 15:16:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 15:16:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 15:16:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-11-23 15:16:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-11-23 15:16:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-11-23 15:16:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-11-23 15:16:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-11-23 15:16:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-11-23 15:16:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:16:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:16:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-11-23 15:16:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-11-23 15:16:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-23 15:16:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-23 15:16:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-23 15:16:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-23 15:16:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-23 15:16:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-23 15:16:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-11-23 15:16:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-11-23 15:16:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:16:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-11-23 15:16:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-11-23 15:16:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:16:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:16:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:16:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:16:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-23 15:16:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-23 15:16:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-11-23 15:16:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-11-23 15:16:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-23 15:16:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-23 15:16:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 15:16:42,939 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 15:16:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:16:42,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:16:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-11-23 15:16:42,940 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-11-23 15:16:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-11-23 15:16:42,940 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-11-23 15:16:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:16:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 15:16:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 15:16:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-11-23 15:16:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-11-23 15:16:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-11-23 15:16:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-11-23 15:16:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-23 15:16:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-23 15:16:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-11-23 15:16:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-11-23 15:16:42,943 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-23 15:16:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-23 15:16:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:16:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:16:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:16:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:16:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-11-23 15:16:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-11-23 15:16:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-23 15:16:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-23 15:16:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-11-23 15:16:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-11-23 15:16:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:16:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 15:16:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 15:16:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-11-23 15:16:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-11-23 15:16:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:16:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:16:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-23 15:16:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-23 15:16:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 15:16:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 15:16:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-11-23 15:16:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-11-23 15:16:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:16:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:16:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:16:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:16:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-11-23 15:16:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-11-23 15:16:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-11-23 15:16:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-11-23 15:16:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-23 15:16:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-23 15:16:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-11-23 15:16:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-11-23 15:16:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:16:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:16:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 15:16:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 15:16:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-11-23 15:16:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-11-23 15:16:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-23 15:16:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-23 15:16:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-23 15:16:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-23 15:16:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:16:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:16:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 15:16:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 15:16:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-23 15:16:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-23 15:16:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-23 15:16:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-23 15:16:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 15:16:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 15:16:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:16:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:16:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 15:16:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 15:16:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-11-23 15:16:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-11-23 15:16:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-11-23 15:16:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-11-23 15:16:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:16:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-23 15:16:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-23 15:16:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-23 15:16:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-23 15:16:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-11-23 15:16:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-11-23 15:16:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:16:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:16:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:16:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:16:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:16:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:16:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-11-23 15:16:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-11-23 15:16:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:16:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-11-23 15:16:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-11-23 15:16:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-23 15:16:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-23 15:16:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:16:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:16:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-23 15:16:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-23 15:16:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-23 15:16:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-23 15:16:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-23 15:16:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-23 15:16:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-11-23 15:16:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-11-23 15:16:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-23 15:16:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-23 15:16:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 15:16:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 15:16:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-11-23 15:16:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-11-23 15:16:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:16:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:16:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-11-23 15:16:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-11-23 15:16:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 15:16:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 15:16:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 15:16:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 15:16:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-11-23 15:16:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-11-23 15:16:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-11-23 15:16:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-11-23 15:16:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 15:16:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 15:16:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-11-23 15:16:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-11-23 15:16:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:16:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:16:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-11-23 15:16:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-11-23 15:16:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 15:16:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 15:16:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-23 15:16:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-23 15:16:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-23 15:16:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-23 15:16:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-11-23 15:16:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-11-23 15:16:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-23 15:16:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-23 15:16:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 15:16:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 15:16:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-23 15:16:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-23 15:16:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-11-23 15:16:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-11-23 15:16:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-23 15:16:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-23 15:16:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:16:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:16:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:16:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:16:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-23 15:16:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-23 15:16:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-23 15:16:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-23 15:16:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 15:16:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 15:16:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-11-23 15:16:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-11-23 15:16:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-11-23 15:16:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-11-23 15:16:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-11-23 15:16:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-11-23 15:16:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-11-23 15:16:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-11-23 15:16:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-23 15:16:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-23 15:16:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-11-23 15:16:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-11-23 15:16:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:16:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:16:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-11-23 15:16:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-11-23 15:16:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 15:16:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 15:16:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-11-23 15:16:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-11-23 15:16:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-23 15:16:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-23 15:16:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-11-23 15:16:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-11-23 15:16:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 15:16:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 15:16:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:16:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 15:16:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 15:16:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-11-23 15:16:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-11-23 15:16:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-23 15:16:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-23 15:16:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:16:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-23 15:16:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-23 15:16:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-11-23 15:16:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-11-23 15:16:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-11-23 15:16:42,990 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-11-23 15:16:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-23 15:16:42,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-23 15:16:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-11-23 15:16:42,990 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-11-23 15:16:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 15:16:42,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 15:16:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:16:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 15:16:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 15:16:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-11-23 15:16:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-11-23 15:16:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-11-23 15:16:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-11-23 15:16:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 15:16:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 15:16:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 15:16:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 15:16:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-11-23 15:16:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-11-23 15:16:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-23 15:16:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-23 15:16:42,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:16:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:16:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-11-23 15:16:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-11-23 15:16:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-11-23 15:16:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-11-23 15:16:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:16:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:16:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-23 15:16:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-23 15:16:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-11-23 15:16:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-11-23 15:16:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-11-23 15:16:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-11-23 15:16:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 15:16:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 15:16:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-11-23 15:16:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-11-23 15:16:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-11-23 15:16:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-11-23 15:16:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 15:16:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 15:16:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:16:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:16:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-11-23 15:16:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-11-23 15:16:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-11-23 15:16:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-11-23 15:16:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-11-23 15:16:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-11-23 15:16:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 15:16:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 15:16:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-23 15:16:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-23 15:16:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:16:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:16:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-23 15:16:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-23 15:16:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-11-23 15:16:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-11-23 15:16:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:16:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-11-23 15:16:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-11-23 15:16:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-11-23 15:16:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-11-23 15:16:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-23 15:16:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-23 15:16:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-23 15:16:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-23 15:16:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:16:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:16:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-11-23 15:16:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-11-23 15:16:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-23 15:16:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-23 15:16:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-11-23 15:16:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-11-23 15:16:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 15:16:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 15:16:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-23 15:16:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-23 15:16:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-11-23 15:16:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-11-23 15:16:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 15:16:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 15:16:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-23 15:16:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-23 15:16:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:16:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:16:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-11-23 15:16:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-11-23 15:16:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-11-23 15:16:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-11-23 15:16:43,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 15:16:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 15:16:43,004 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-11-23 15:16:43,004 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-11-23 15:16:43,004 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-11-23 15:16:43,004 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-11-23 15:16:43,004 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-11-23 15:16:43,004 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-11-23 15:16:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-23 15:16:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-23 15:16:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-11-23 15:16:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-11-23 15:16:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:16:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-23 15:16:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-23 15:16:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-23 15:16:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-23 15:16:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-11-23 15:16:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-11-23 15:16:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 15:16:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 15:16:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-11-23 15:16:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-11-23 15:16:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-23 15:16:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-23 15:16:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-11-23 15:16:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-11-23 15:16:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-11-23 15:16:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-11-23 15:16:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-11-23 15:16:43,008 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-11-23 15:16:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-11-23 15:16:43,008 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-11-23 15:16:44,761 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:16:44,769 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:16:45,109 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:17:35,466 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:17:38,553 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:17:38,553 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-23 15:17:38,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:38 BoogieIcfgContainer [2022-11-23 15:17:38,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:17:38,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:17:38,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:17:38,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:17:38,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:16:33" (1/3) ... [2022-11-23 15:17:38,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cabd7c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:38, skipping insertion in model container [2022-11-23 15:17:38,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:16:41" (2/3) ... [2022-11-23 15:17:38,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cabd7c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:38, skipping insertion in model container [2022-11-23 15:17:38,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:38" (3/3) ... [2022-11-23 15:17:38,569 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-23 15:17:38,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:17:38,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:17:38,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:17:38,728 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;@321303f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:17:38,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:17:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 3602 states, 2083 states have (on average 1.3192510801728277) internal successors, (2748), 2248 states have internal predecessors, (2748), 1327 states have call successors, (1327), 192 states have call predecessors, (1327), 191 states have return successors, (1314), 1251 states have call predecessors, (1314), 1314 states have call successors, (1314) [2022-11-23 15:17:38,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-23 15:17:38,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:17:38,772 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:17:38,773 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:17:38,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:17:38,777 INFO L85 PathProgramCache]: Analyzing trace with hash 643325849, now seen corresponding path program 1 times [2022-11-23 15:17:38,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:17:38,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164403020] [2022-11-23 15:17:38,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:17:38,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:17:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:43,030 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 15:17:43,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:17:43,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164403020] [2022-11-23 15:17:43,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164403020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:17:43,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:17:43,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:17:43,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817723426] [2022-11-23 15:17:43,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:17:43,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:17:43,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:17:43,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:17:43,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:17:43,097 INFO L87 Difference]: Start difference. First operand has 3602 states, 2083 states have (on average 1.3192510801728277) internal successors, (2748), 2248 states have internal predecessors, (2748), 1327 states have call successors, (1327), 192 states have call predecessors, (1327), 191 states have return successors, (1314), 1251 states have call predecessors, (1314), 1314 states have call successors, (1314) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:17:46,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:17:56,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:18:00,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:18:03,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:18:03,167 INFO L93 Difference]: Finished difference Result 7173 states and 10810 transitions. [2022-11-23 15:18:03,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:18:03,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2022-11-23 15:18:03,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:18:03,222 INFO L225 Difference]: With dead ends: 7173 [2022-11-23 15:18:03,222 INFO L226 Difference]: Without dead ends: 3531 [2022-11-23 15:18:03,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:18:03,256 INFO L413 NwaCegarLoop]: 4872 mSDtfsCounter, 2 mSDsluCounter, 14599 mSDsCounter, 0 mSdLazyCounter, 2008 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19471 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2008 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:18:03,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 19471 Invalid, 2012 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2008 Invalid, 3 Unknown, 0 Unchecked, 19.5s Time] [2022-11-23 15:18:03,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-11-23 15:18:03,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3529. [2022-11-23 15:18:03,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3529 states, 2058 states have (on average 1.3104956268221575) internal successors, (2697), 2209 states have internal predecessors, (2697), 1279 states have call successors, (1279), 190 states have call predecessors, (1279), 191 states have return successors, (1281), 1218 states have call predecessors, (1281), 1279 states have call successors, (1281) [2022-11-23 15:18:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 3529 states and 5257 transitions. [2022-11-23 15:18:03,580 INFO L78 Accepts]: Start accepts. Automaton has 3529 states and 5257 transitions. Word has length 119 [2022-11-23 15:18:03,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:18:03,582 INFO L495 AbstractCegarLoop]: Abstraction has 3529 states and 5257 transitions. [2022-11-23 15:18:03,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:18:03,586 INFO L276 IsEmpty]: Start isEmpty. Operand 3529 states and 5257 transitions. [2022-11-23 15:18:03,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-23 15:18:03,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:18:03,601 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-23 15:18:03,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:18:03,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:18:03,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:18:03,602 INFO L85 PathProgramCache]: Analyzing trace with hash 991912793, now seen corresponding path program 1 times [2022-11-23 15:18:03,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:18:03,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404990761] [2022-11-23 15:18:03,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:18:03,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:18:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:18:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-11-23 15:18:11,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:18:11,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404990761] [2022-11-23 15:18:11,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404990761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:18:11,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:18:11,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:18:11,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770998157] [2022-11-23 15:18:11,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:18:11,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:18:11,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:18:11,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:18:11,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:18:11,544 INFO L87 Difference]: Start difference. First operand 3529 states and 5257 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:18:14,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:18:21,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:18:29,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:18:41,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:18:53,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:18:53,136 INFO L93 Difference]: Finished difference Result 6580 states and 9873 transitions. [2022-11-23 15:18:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:18:53,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 153 [2022-11-23 15:18:53,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:18:53,194 INFO L225 Difference]: With dead ends: 6580 [2022-11-23 15:18:53,194 INFO L226 Difference]: Without dead ends: 6578 [2022-11-23 15:18:53,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:18:53,201 INFO L413 NwaCegarLoop]: 7273 mSDtfsCounter, 4505 mSDsluCounter, 24337 mSDsCounter, 0 mSdLazyCounter, 5480 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4506 SdHoareTripleChecker+Valid, 31610 SdHoareTripleChecker+Invalid, 5485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5480 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:18:53,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4506 Valid, 31610 Invalid, 5485 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 5480 Invalid, 3 Unknown, 0 Unchecked, 40.0s Time] [2022-11-23 15:18:53,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6578 states. [2022-11-23 15:18:53,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6578 to 6570. [2022-11-23 15:18:53,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6570 states, 3834 states have (on average 1.310902451747522) internal successors, (5026), 4127 states have internal predecessors, (5026), 2371 states have call successors, (2371), 363 states have call predecessors, (2371), 364 states have return successors, (2461), 2246 states have call predecessors, (2461), 2371 states have call successors, (2461) [2022-11-23 15:18:53,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6570 states to 6570 states and 9858 transitions. [2022-11-23 15:18:53,858 INFO L78 Accepts]: Start accepts. Automaton has 6570 states and 9858 transitions. Word has length 153 [2022-11-23 15:18:53,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:18:53,864 INFO L495 AbstractCegarLoop]: Abstraction has 6570 states and 9858 transitions. [2022-11-23 15:18:53,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:18:53,867 INFO L276 IsEmpty]: Start isEmpty. Operand 6570 states and 9858 transitions. [2022-11-23 15:18:53,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-23 15:18:53,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:18:53,872 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 15:18:53,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:18:53,872 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:18:53,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:18:53,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1675276003, now seen corresponding path program 1 times [2022-11-23 15:18:53,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:18:53,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246074215] [2022-11-23 15:18:53,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:18:53,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:18:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:19:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-23 15:19:02,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:19:02,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246074215] [2022-11-23 15:19:02,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246074215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:19:02,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:19:02,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:19:02,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066068504] [2022-11-23 15:19:02,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:19:02,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:19:02,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:19:02,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:19:02,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:19:02,060 INFO L87 Difference]: Start difference. First operand 6570 states and 9858 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:19:05,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:19:19,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:19:37,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:19:44,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:19:44,219 INFO L93 Difference]: Finished difference Result 9981 states and 15051 transitions. [2022-11-23 15:19:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:19:44,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2022-11-23 15:19:44,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:19:44,315 INFO L225 Difference]: With dead ends: 9981 [2022-11-23 15:19:44,315 INFO L226 Difference]: Without dead ends: 9979 [2022-11-23 15:19:44,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:19:44,332 INFO L413 NwaCegarLoop]: 6071 mSDtfsCounter, 5062 mSDsluCounter, 20459 mSDsCounter, 0 mSdLazyCounter, 5123 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5063 SdHoareTripleChecker+Valid, 26530 SdHoareTripleChecker+Invalid, 5129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5123 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:19:44,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5063 Valid, 26530 Invalid, 5129 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 5123 Invalid, 3 Unknown, 0 Unchecked, 40.4s Time] [2022-11-23 15:19:44,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9979 states. [2022-11-23 15:19:45,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9979 to 9970. [2022-11-23 15:19:45,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9970 states, 5822 states have (on average 1.3120920645826177) internal successors, (7639), 6269 states have internal predecessors, (7639), 3599 states have call successors, (3599), 547 states have call predecessors, (3599), 548 states have return successors, (3794), 3407 states have call predecessors, (3794), 3599 states have call successors, (3794) [2022-11-23 15:19:45,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9970 states to 9970 states and 15032 transitions. [2022-11-23 15:19:45,474 INFO L78 Accepts]: Start accepts. Automaton has 9970 states and 15032 transitions. Word has length 145 [2022-11-23 15:19:45,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:19:45,475 INFO L495 AbstractCegarLoop]: Abstraction has 9970 states and 15032 transitions. [2022-11-23 15:19:45,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:19:45,475 INFO L276 IsEmpty]: Start isEmpty. Operand 9970 states and 15032 transitions. [2022-11-23 15:19:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-11-23 15:19:45,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:19:45,589 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:19:45,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:19:45,590 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:19:45,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:19:45,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1887438732, now seen corresponding path program 1 times [2022-11-23 15:19:45,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:19:45,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833392657] [2022-11-23 15:19:45,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:19:45,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:19:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:19:55,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2022-11-23 15:19:55,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:19:55,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833392657] [2022-11-23 15:19:55,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833392657] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:19:55,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741088953] [2022-11-23 15:19:55,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:19:55,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:19:55,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:19:55,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:19:55,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:19:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:19:58,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 9132 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-23 15:19:58,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:19:59,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2022-11-23 15:19:59,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:19:59,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741088953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:19:59,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:19:59,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-11-23 15:19:59,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086010826] [2022-11-23 15:19:59,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:19:59,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:19:59,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:19:59,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:19:59,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:19:59,673 INFO L87 Difference]: Start difference. First operand 9970 states and 15032 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 4 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (54), 3 states have call predecessors, (54), 4 states have call successors, (54) [2022-11-23 15:20:02,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:20:14,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:20:21,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:20:23,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:20:23,405 INFO L93 Difference]: Finished difference Result 14504 states and 21875 transitions. [2022-11-23 15:20:23,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:20:23,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 4 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (54), 3 states have call predecessors, (54), 4 states have call successors, (54) Word has length 363 [2022-11-23 15:20:23,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:20:23,504 INFO L225 Difference]: With dead ends: 14504 [2022-11-23 15:20:23,505 INFO L226 Difference]: Without dead ends: 9976 [2022-11-23 15:20:23,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:20:23,553 INFO L413 NwaCegarLoop]: 4747 mSDtfsCounter, 11 mSDsluCounter, 18931 mSDsCounter, 0 mSdLazyCounter, 2567 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 23678 SdHoareTripleChecker+Invalid, 2583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2567 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:20:23,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 23678 Invalid, 2583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2567 Invalid, 3 Unknown, 0 Unchecked, 22.6s Time] [2022-11-23 15:20:23,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9976 states. [2022-11-23 15:20:24,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9976 to 9976. [2022-11-23 15:20:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9976 states, 5825 states have (on average 1.311931330472103) internal successors, (7642), 6275 states have internal predecessors, (7642), 3599 states have call successors, (3599), 547 states have call predecessors, (3599), 551 states have return successors, (3802), 3407 states have call predecessors, (3802), 3599 states have call successors, (3802) [2022-11-23 15:20:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9976 states to 9976 states and 15043 transitions. [2022-11-23 15:20:25,008 INFO L78 Accepts]: Start accepts. Automaton has 9976 states and 15043 transitions. Word has length 363 [2022-11-23 15:20:25,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:20:25,011 INFO L495 AbstractCegarLoop]: Abstraction has 9976 states and 15043 transitions. [2022-11-23 15:20:25,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 4 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (54), 3 states have call predecessors, (54), 4 states have call successors, (54) [2022-11-23 15:20:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 9976 states and 15043 transitions. [2022-11-23 15:20:25,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-11-23 15:20:25,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:20:25,048 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:20:25,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 15:20:25,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:20:25,275 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:20:25,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:20:25,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1991473163, now seen corresponding path program 1 times [2022-11-23 15:20:25,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:20:25,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311078543] [2022-11-23 15:20:25,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:20:25,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:20:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:20:35,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-11-23 15:20:35,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:20:35,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311078543] [2022-11-23 15:20:35,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311078543] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:20:35,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361376826] [2022-11-23 15:20:35,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:20:35,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:20:35,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:20:35,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:20:35,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9438c630-5f2b-47f1-834d-db63b7b10580/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:20:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:20:38,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 9149 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-23 15:20:38,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-23 15:21:32,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:21:36,820 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 8191 disjunctions. This might take some time... [2022-11-23 15:21:46,553 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 8191 disjunctions.