./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:29:50,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:29:50,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:29:50,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:29:50,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:29:50,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:29:50,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:29:50,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:29:50,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:29:50,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:29:50,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:29:50,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:29:50,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:29:50,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:29:50,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:29:50,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:29:50,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:29:50,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:29:50,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:29:50,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:29:50,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:29:50,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:29:50,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:29:50,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:29:50,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:29:50,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:29:50,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:29:50,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:29:50,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:29:50,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:29:50,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:29:50,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:29:50,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:29:50,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:29:50,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:29:50,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:29:50,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:29:50,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:29:50,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:29:50,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:29:50,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:29:50,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:29:50,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:29:50,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:29:50,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:29:50,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:29:50,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:29:50,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:29:50,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:29:50,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:29:50,756 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:29:50,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:29:50,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:29:50,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:29:50,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:29:50,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:29:50,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:29:50,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:29:50,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:29:50,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:29:50,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:29:50,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:29:50,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:29:50,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:29:50,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:29:50,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:29:50,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:29:50,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:29:50,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:29:50,761 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:29:50,761 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:29:50,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:29:50,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:29:50,764 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_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2021-11-20 07:29:51,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:29:51,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:29:51,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:29:51,073 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:29:51,074 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:29:51,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-20 07:29:51,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/data/53fa0e10b/e8e0c3bc3d59466ba6b3be4c567d7be2/FLAGbcce5045f [2021-11-20 07:29:52,303 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:29:52,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-20 07:29:52,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/data/53fa0e10b/e8e0c3bc3d59466ba6b3be4c567d7be2/FLAGbcce5045f [2021-11-20 07:29:52,593 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/data/53fa0e10b/e8e0c3bc3d59466ba6b3be4c567d7be2 [2021-11-20 07:29:52,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:29:52,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:29:52,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:29:52,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:29:52,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:29:52,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:29:52" (1/1) ... [2021-11-20 07:29:52,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a25f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:52, skipping insertion in model container [2021-11-20 07:29:52,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:29:52" (1/1) ... [2021-11-20 07:29:52,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:29:52,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:29:56,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-20 07:29:56,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:29:56,582 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:29:57,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-20 07:29:57,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:29:57,224 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:29:57,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57 WrapperNode [2021-11-20 07:29:57,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:29:57,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:29:57,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:29:57,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:29:57,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57" (1/1) ... [2021-11-20 07:29:57,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57" (1/1) ... [2021-11-20 07:29:57,765 INFO L137 Inliner]: procedures = 415, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 7107 [2021-11-20 07:29:57,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:29:57,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:29:57,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:29:57,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:29:57,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57" (1/1) ... [2021-11-20 07:29:57,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57" (1/1) ... [2021-11-20 07:29:57,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57" (1/1) ... [2021-11-20 07:29:57,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57" (1/1) ... [2021-11-20 07:29:58,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57" (1/1) ... [2021-11-20 07:29:58,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57" (1/1) ... [2021-11-20 07:29:58,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57" (1/1) ... [2021-11-20 07:29:58,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:29:58,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:29:58,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:29:58,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:29:58,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57" (1/1) ... [2021-11-20 07:29:58,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:29:58,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:29:58,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:29:58,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:29:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-11-20 07:29:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-11-20 07:29:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-11-20 07:29:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-11-20 07:29:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 07:29:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 07:29:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 07:29:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 07:29:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:29:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:29:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 07:29:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 07:29:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-20 07:29:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-20 07:29:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 07:29:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 07:29:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2021-11-20 07:29:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2021-11-20 07:29:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-20 07:29:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-20 07:29:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-20 07:29:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-20 07:29:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-11-20 07:29:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-11-20 07:29:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:29:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-20 07:29:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-20 07:29:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-11-20 07:29:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-11-20 07:29:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-11-20 07:29:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-11-20 07:29:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-11-20 07:29:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-11-20 07:29:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 07:29:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 07:29:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2021-11-20 07:29:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2021-11-20 07:29:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:29:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-20 07:29:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-20 07:29:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 07:29:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 07:29:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-11-20 07:29:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-11-20 07:29:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-11-20 07:29:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-11-20 07:29:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-11-20 07:29:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-11-20 07:29:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 07:29:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 07:29:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-20 07:29:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-20 07:29:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 07:29:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 07:29:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 07:29:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:29:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-11-20 07:29:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-11-20 07:29:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:29:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 07:29:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 07:29:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-11-20 07:29:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-11-20 07:29:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-11-20 07:29:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-11-20 07:29:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 07:29:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 07:29:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-11-20 07:29:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-11-20 07:29:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-20 07:29:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-20 07:29:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 07:29:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 07:29:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 07:29:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 07:29:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-20 07:29:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-20 07:29:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-11-20 07:29:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-11-20 07:29:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-20 07:29:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-20 07:29:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-11-20 07:29:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-11-20 07:29:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:29:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-20 07:29:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-20 07:29:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:29:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-20 07:29:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-20 07:29:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 07:29:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 07:29:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:29:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 07:29:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-11-20 07:29:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-11-20 07:29:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-11-20 07:29:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-11-20 07:29:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-20 07:29:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-20 07:29:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-20 07:29:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-20 07:29:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-11-20 07:29:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-11-20 07:29:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 07:29:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 07:29:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-11-20 07:29:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-11-20 07:29:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-20 07:29:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-20 07:29:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:29:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:29:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-20 07:29:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-20 07:29:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-20 07:29:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-20 07:29:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 07:29:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 07:29:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-11-20 07:29:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-11-20 07:29:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:29:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:29:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 07:29:58,505 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 07:29:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-20 07:29:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-20 07:29:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-20 07:29:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-20 07:29:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-11-20 07:29:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-11-20 07:29:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-11-20 07:29:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-11-20 07:29:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-11-20 07:29:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-11-20 07:29:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-11-20 07:29:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-11-20 07:29:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-11-20 07:29:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-11-20 07:29:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-11-20 07:29:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-11-20 07:29:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-11-20 07:29:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-11-20 07:29:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 07:29:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 07:29:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-20 07:29:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-20 07:29:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-11-20 07:29:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-11-20 07:29:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 07:29:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 07:29:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 07:29:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 07:29:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-11-20 07:29:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-11-20 07:29:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-11-20 07:29:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-11-20 07:29:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-11-20 07:29:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-11-20 07:29:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:29:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:29:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 07:29:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 07:29:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 07:29:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 07:29:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-20 07:29:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-20 07:29:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-11-20 07:29:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-11-20 07:29:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 07:29:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 07:29:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-11-20 07:29:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-11-20 07:29:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 07:29:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 07:29:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-20 07:29:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-20 07:29:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:29:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-11-20 07:29:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-11-20 07:29:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:29:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-11-20 07:29:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-11-20 07:29:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-11-20 07:29:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-11-20 07:29:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-11-20 07:29:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-11-20 07:29:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-11-20 07:29:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-11-20 07:29:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-11-20 07:29:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-11-20 07:29:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:29:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-20 07:29:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-20 07:29:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 07:29:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 07:29:58,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-20 07:29:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-20 07:29:58,525 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-11-20 07:29:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-11-20 07:29:58,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-20 07:29:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-20 07:29:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-11-20 07:29:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-11-20 07:29:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-11-20 07:29:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-11-20 07:29:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-11-20 07:29:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-11-20 07:29:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2021-11-20 07:29:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2021-11-20 07:29:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-20 07:29:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-20 07:29:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 07:29:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 07:29:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-11-20 07:29:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-11-20 07:29:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-11-20 07:29:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-11-20 07:29:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-20 07:29:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-20 07:29:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-11-20 07:29:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-11-20 07:29:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-11-20 07:29:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-11-20 07:29:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-11-20 07:29:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-11-20 07:29:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-11-20 07:29:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-11-20 07:29:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 07:29:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 07:29:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-20 07:29:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-20 07:29:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:29:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:29:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:29:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-20 07:29:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-20 07:29:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2021-11-20 07:29:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2021-11-20 07:29:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-20 07:29:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-20 07:29:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-11-20 07:29:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-11-20 07:29:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-11-20 07:29:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-11-20 07:29:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-20 07:29:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-20 07:29:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-11-20 07:29:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-11-20 07:29:58,537 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-20 07:29:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-20 07:29:58,537 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-11-20 07:29:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-11-20 07:29:58,537 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-11-20 07:29:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-11-20 07:29:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-11-20 07:29:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-11-20 07:29:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-20 07:29:58,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-20 07:29:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 07:29:58,540 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 07:29:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-11-20 07:29:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-11-20 07:29:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-11-20 07:29:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-11-20 07:29:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 07:29:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 07:29:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-11-20 07:29:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-11-20 07:29:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-20 07:29:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-20 07:29:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:29:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-11-20 07:29:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-11-20 07:29:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-20 07:29:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-20 07:29:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-11-20 07:29:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-11-20 07:29:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-20 07:29:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-20 07:29:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-11-20 07:29:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-11-20 07:29:59,759 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:29:59,763 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:30:16,755 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:30:16,788 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:30:16,789 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:30:16,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:16 BoogieIcfgContainer [2021-11-20 07:30:16,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:30:16,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:30:16,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:30:16,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:30:16,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:29:52" (1/3) ... [2021-11-20 07:30:16,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a05cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:30:16, skipping insertion in model container [2021-11-20 07:30:16,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:57" (2/3) ... [2021-11-20 07:30:16,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a05cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:30:16, skipping insertion in model container [2021-11-20 07:30:16,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:16" (3/3) ... [2021-11-20 07:30:16,808 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-20 07:30:16,815 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:30:16,816 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:30:16,898 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:30:16,908 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:30:16,908 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:30:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2021-11-20 07:30:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 07:30:17,017 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:17,018 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:17,018 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:17,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:17,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1001382404, now seen corresponding path program 1 times [2021-11-20 07:30:17,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:17,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777218804] [2021-11-20 07:30:17,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:17,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:30:17,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:17,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777218804] [2021-11-20 07:30:17,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777218804] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:17,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:17,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:30:17,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694305433] [2021-11-20 07:30:17,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:17,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:30:17,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:17,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:30:17,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:17,884 INFO L87 Difference]: Start difference. First operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:30:18,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:18,479 INFO L93 Difference]: Finished difference Result 5004 states and 7401 transitions. [2021-11-20 07:30:18,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:30:18,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-20 07:30:18,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:18,545 INFO L225 Difference]: With dead ends: 5004 [2021-11-20 07:30:18,545 INFO L226 Difference]: Without dead ends: 2485 [2021-11-20 07:30:18,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:18,582 INFO L933 BasicCegarLoop]: 3604 mSDtfsCounter, 3599 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:18,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3599 Valid, 3604 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:30:18,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2021-11-20 07:30:18,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2021-11-20 07:30:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 1746 states have (on average 1.354524627720504) internal successors, (2365), 1806 states have internal predecessors, (2365), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2021-11-20 07:30:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3575 transitions. [2021-11-20 07:30:18,932 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3575 transitions. Word has length 9 [2021-11-20 07:30:18,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:18,933 INFO L470 AbstractCegarLoop]: Abstraction has 2485 states and 3575 transitions. [2021-11-20 07:30:18,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:30:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3575 transitions. [2021-11-20 07:30:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 07:30:18,937 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:18,938 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:18,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:30:18,939 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:18,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:18,943 INFO L85 PathProgramCache]: Analyzing trace with hash 976920785, now seen corresponding path program 1 times [2021-11-20 07:30:18,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:18,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094599388] [2021-11-20 07:30:18,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:18,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:30:19,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:19,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094599388] [2021-11-20 07:30:19,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094599388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:19,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:19,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:30:19,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775464636] [2021-11-20 07:30:19,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:19,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:30:19,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:19,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:30:19,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:19,181 INFO L87 Difference]: Start difference. First operand 2485 states and 3575 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:30:19,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:19,613 INFO L93 Difference]: Finished difference Result 7371 states and 10955 transitions. [2021-11-20 07:30:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:30:19,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 07:30:19,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:19,666 INFO L225 Difference]: With dead ends: 7371 [2021-11-20 07:30:19,666 INFO L226 Difference]: Without dead ends: 4889 [2021-11-20 07:30:19,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:19,692 INFO L933 BasicCegarLoop]: 4639 mSDtfsCounter, 3566 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3566 SdHoareTripleChecker+Valid, 8267 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:19,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3566 Valid, 8267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:30:19,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4889 states. [2021-11-20 07:30:20,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4889 to 4886. [2021-11-20 07:30:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 3438 states have (on average 1.3539848749272834) internal successors, (4655), 3551 states have internal predecessors, (4655), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-20 07:30:20,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 7209 transitions. [2021-11-20 07:30:20,278 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 7209 transitions. Word has length 10 [2021-11-20 07:30:20,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:20,279 INFO L470 AbstractCegarLoop]: Abstraction has 4886 states and 7209 transitions. [2021-11-20 07:30:20,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:30:20,280 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 7209 transitions. [2021-11-20 07:30:20,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 07:30:20,281 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:20,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:20,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:30:20,283 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:20,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:20,285 INFO L85 PathProgramCache]: Analyzing trace with hash 218615463, now seen corresponding path program 1 times [2021-11-20 07:30:20,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:20,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164651735] [2021-11-20 07:30:20,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:20,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:30:20,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:20,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164651735] [2021-11-20 07:30:20,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164651735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:20,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:20,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:30:20,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913658474] [2021-11-20 07:30:20,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:20,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:30:20,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:20,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:30:20,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:20,520 INFO L87 Difference]: Start difference. First operand 4886 states and 7209 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:30:20,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:20,844 INFO L93 Difference]: Finished difference Result 4888 states and 7210 transitions. [2021-11-20 07:30:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:30:20,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-20 07:30:20,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:20,903 INFO L225 Difference]: With dead ends: 4888 [2021-11-20 07:30:20,904 INFO L226 Difference]: Without dead ends: 4885 [2021-11-20 07:30:20,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:20,911 INFO L933 BasicCegarLoop]: 3572 mSDtfsCounter, 3565 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 3572 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:20,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3565 Valid, 3572 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:30:20,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2021-11-20 07:30:21,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2021-11-20 07:30:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4885 states, 3438 states have (on average 1.3536940081442699) internal successors, (4654), 3550 states have internal predecessors, (4654), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-20 07:30:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 7207 transitions. [2021-11-20 07:30:21,406 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 7207 transitions. Word has length 11 [2021-11-20 07:30:21,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:21,407 INFO L470 AbstractCegarLoop]: Abstraction has 4885 states and 7207 transitions. [2021-11-20 07:30:21,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:30:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 7207 transitions. [2021-11-20 07:30:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 07:30:21,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:21,409 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:21,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:30:21,410 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:21,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:21,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1814008172, now seen corresponding path program 1 times [2021-11-20 07:30:21,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:21,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200867090] [2021-11-20 07:30:21,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:21,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:30:21,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:21,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200867090] [2021-11-20 07:30:21,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200867090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:21,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:21,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:30:21,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493114714] [2021-11-20 07:30:21,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:21,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:30:21,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:21,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:30:21,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:21,659 INFO L87 Difference]: Start difference. First operand 4885 states and 7207 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:30:22,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:22,024 INFO L93 Difference]: Finished difference Result 4887 states and 7208 transitions. [2021-11-20 07:30:22,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:30:22,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-20 07:30:22,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:22,068 INFO L225 Difference]: With dead ends: 4887 [2021-11-20 07:30:22,068 INFO L226 Difference]: Without dead ends: 4884 [2021-11-20 07:30:22,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:22,077 INFO L933 BasicCegarLoop]: 3570 mSDtfsCounter, 3562 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3562 SdHoareTripleChecker+Valid, 3570 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:22,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3562 Valid, 3570 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:30:22,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2021-11-20 07:30:22,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4884. [2021-11-20 07:30:22,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4884 states, 3438 states have (on average 1.3534031413612566) internal successors, (4653), 3549 states have internal predecessors, (4653), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-20 07:30:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 7205 transitions. [2021-11-20 07:30:22,451 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 7205 transitions. Word has length 12 [2021-11-20 07:30:22,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:22,452 INFO L470 AbstractCegarLoop]: Abstraction has 4884 states and 7205 transitions. [2021-11-20 07:30:22,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:30:22,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 7205 transitions. [2021-11-20 07:30:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-20 07:30:22,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:22,454 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:22,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:30:22,454 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:22,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:22,455 INFO L85 PathProgramCache]: Analyzing trace with hash -400826550, now seen corresponding path program 1 times [2021-11-20 07:30:22,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:22,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524060353] [2021-11-20 07:30:22,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:22,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:22,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:30:22,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:22,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524060353] [2021-11-20 07:30:22,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524060353] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:22,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:22,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:30:22,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529114502] [2021-11-20 07:30:22,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:22,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:30:22,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:22,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:30:22,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:22,619 INFO L87 Difference]: Start difference. First operand 4884 states and 7205 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:30:23,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:23,052 INFO L93 Difference]: Finished difference Result 4886 states and 7206 transitions. [2021-11-20 07:30:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:30:23,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-20 07:30:23,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:23,107 INFO L225 Difference]: With dead ends: 4886 [2021-11-20 07:30:23,108 INFO L226 Difference]: Without dead ends: 4877 [2021-11-20 07:30:23,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:23,113 INFO L933 BasicCegarLoop]: 3569 mSDtfsCounter, 3559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3559 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:23,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3559 Valid, 3569 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:30:23,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2021-11-20 07:30:23,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4877. [2021-11-20 07:30:23,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3531468531468531) internal successors, (4644), 3542 states have internal predecessors, (4644), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-20 07:30:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7195 transitions. [2021-11-20 07:30:23,454 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7195 transitions. Word has length 13 [2021-11-20 07:30:23,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:23,455 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 7195 transitions. [2021-11-20 07:30:23,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:30:23,457 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7195 transitions. [2021-11-20 07:30:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-20 07:30:23,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:23,474 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:23,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:30:23,475 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:23,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:23,476 INFO L85 PathProgramCache]: Analyzing trace with hash 155338824, now seen corresponding path program 1 times [2021-11-20 07:30:23,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:23,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210581504] [2021-11-20 07:30:23,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:23,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:23,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:30:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:30:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:30:23,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:23,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210581504] [2021-11-20 07:30:23,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210581504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:23,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:23,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:30:23,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395803795] [2021-11-20 07:30:23,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:23,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:30:23,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:23,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:30:23,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:30:23,882 INFO L87 Difference]: Start difference. First operand 4877 states and 7195 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 07:30:28,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:30:31,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:30:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:39,986 INFO L93 Difference]: Finished difference Result 10468 states and 16126 transitions. [2021-11-20 07:30:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:30:39,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2021-11-20 07:30:39,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:40,063 INFO L225 Difference]: With dead ends: 10468 [2021-11-20 07:30:40,063 INFO L226 Difference]: Without dead ends: 5594 [2021-11-20 07:30:40,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:30:40,117 INFO L933 BasicCegarLoop]: 3393 mSDtfsCounter, 795 mSDsluCounter, 3986 mSDsCounter, 0 mSdLazyCounter, 2522 mSolverCounterSat, 729 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 7379 SdHoareTripleChecker+Invalid, 3253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 2522 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:40,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [868 Valid, 7379 Invalid, 3253 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [729 Valid, 2522 Invalid, 2 Unknown, 0 Unchecked, 15.4s Time] [2021-11-20 07:30:40,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states. [2021-11-20 07:30:40,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 5293. [2021-11-20 07:30:40,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3722 states have (on average 1.3492745835572273) internal successors, (5022), 3842 states have internal predecessors, (5022), 1253 states have call successors, (1253), 259 states have call predecessors, (1253), 317 states have return successors, (1684), 1275 states have call predecessors, (1684), 1249 states have call successors, (1684) [2021-11-20 07:30:40,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7959 transitions. [2021-11-20 07:30:40,582 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7959 transitions. Word has length 53 [2021-11-20 07:30:40,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:40,583 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7959 transitions. [2021-11-20 07:30:40,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 07:30:40,583 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7959 transitions. [2021-11-20 07:30:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 07:30:40,593 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:40,593 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:40,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:30:40,594 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:40,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:40,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1711701568, now seen corresponding path program 1 times [2021-11-20 07:30:40,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:40,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128420010] [2021-11-20 07:30:40,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:40,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:30:40,926 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:30:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:30:41,248 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:30:41,249 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:30:41,250 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:30:41,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:30:41,255 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:30:41,258 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:30:41,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:30:41 BoogieIcfgContainer [2021-11-20 07:30:41,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:30:41,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:30:41,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:30:41,426 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:30:41,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:16" (3/4) ... [2021-11-20 07:30:41,430 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:30:41,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:30:41,431 INFO L158 Benchmark]: Toolchain (without parser) took 48832.16ms. Allocated memory was 94.4MB in the beginning and 1.1GB in the end (delta: 975.2MB). Free memory was 61.8MB in the beginning and 566.4MB in the end (delta: -504.6MB). Peak memory consumption was 468.8MB. Max. memory is 16.1GB. [2021-11-20 07:30:41,431 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:30:41,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4622.29ms. Allocated memory was 94.4MB in the beginning and 169.9MB in the end (delta: 75.5MB). Free memory was 61.5MB in the beginning and 74.0MB in the end (delta: -12.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2021-11-20 07:30:41,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 540.17ms. Allocated memory was 169.9MB in the beginning and 257.9MB in the end (delta: 88.1MB). Free memory was 74.0MB in the beginning and 149.3MB in the end (delta: -75.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2021-11-20 07:30:41,432 INFO L158 Benchmark]: Boogie Preprocessor took 601.18ms. Allocated memory is still 257.9MB. Free memory was 149.3MB in the beginning and 137.2MB in the end (delta: 12.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2021-11-20 07:30:41,433 INFO L158 Benchmark]: RCFGBuilder took 18428.39ms. Allocated memory was 257.9MB in the beginning and 769.7MB in the end (delta: 511.7MB). Free memory was 137.2MB in the beginning and 568.4MB in the end (delta: -431.2MB). Peak memory consumption was 466.7MB. Max. memory is 16.1GB. [2021-11-20 07:30:41,434 INFO L158 Benchmark]: TraceAbstraction took 24625.68ms. Allocated memory was 769.7MB in the beginning and 1.1GB in the end (delta: 299.9MB). Free memory was 568.4MB in the beginning and 566.4MB in the end (delta: 1.9MB). Peak memory consumption was 300.8MB. Max. memory is 16.1GB. [2021-11-20 07:30:41,434 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 1.1GB. Free memory is still 566.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:30:41,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4622.29ms. Allocated memory was 94.4MB in the beginning and 169.9MB in the end (delta: 75.5MB). Free memory was 61.5MB in the beginning and 74.0MB in the end (delta: -12.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 540.17ms. Allocated memory was 169.9MB in the beginning and 257.9MB in the end (delta: 88.1MB). Free memory was 74.0MB in the beginning and 149.3MB in the end (delta: -75.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 601.18ms. Allocated memory is still 257.9MB. Free memory was 149.3MB in the beginning and 137.2MB in the end (delta: 12.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * RCFGBuilder took 18428.39ms. Allocated memory was 257.9MB in the beginning and 769.7MB in the end (delta: 511.7MB). Free memory was 137.2MB in the beginning and 568.4MB in the end (delta: -431.2MB). Peak memory consumption was 466.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24625.68ms. Allocated memory was 769.7MB in the beginning and 1.1GB in the end (delta: 299.9MB). Free memory was 568.4MB in the beginning and 566.4MB in the end (delta: 1.9MB). Peak memory consumption was 300.8MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 1.1GB. Free memory is still 566.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12848]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 11833, overapproximation of bitwiseAnd at line 11396. Possible FailurePath: [L7140] static bool ap_mode_default ; [L7141-L7155] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7156-L7170] static struct ieee80211_rate const mwl8k_rates_24[14U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7171-L7174] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {0, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7175-L7184] static struct ieee80211_rate const mwl8k_rates_50[9U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7812] static struct rxd_ops rxd_8366_ap_ops = {32, & mwl8k_rxd_8366_ap_init, & mwl8k_rxd_8366_ap_refill, & mwl8k_rxd_8366_ap_process}; [L7889] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L11797-L11803] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L11833-L11838] static struct mwl8k_device_info mwl8k_info_tbl[3U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-2.fw", & rxd_8366_ap_ops, 2U}}; [L11839] struct pci_device_id const __mod_pci_device_table ; [L12503] int LDV_IN_INTERRUPT ; [L12858] static int ldv_mutex_cred_guard_mutex ; [L12965] static int ldv_mutex_fw_mutex ; [L13072] static int ldv_mutex_lock ; [L13179] static int ldv_mutex_mtx ; [L13286] static int ldv_mutex_mutex ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_fw_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12506] void *var_mwl8k_rxd_8366_ap_init_13_p0 ; [L12507] dma_addr_t var_mwl8k_rxd_8366_ap_init_13_p1 ; [L12508] void *var_mwl8k_rxd_8366_ap_refill_14_p0 ; [L12509] dma_addr_t var_mwl8k_rxd_8366_ap_refill_14_p1 ; [L12510] int var_mwl8k_rxd_8366_ap_refill_14_p2 ; [L12511] void *var_mwl8k_rxd_8366_ap_process_15_p0 ; [L12512] struct ieee80211_rx_status *var_group1 ; [L12513] __le16 *var_mwl8k_rxd_8366_ap_process_15_p2 ; [L12514] s8 *var_mwl8k_rxd_8366_ap_process_15_p3 ; [L12515] void *var_mwl8k_rxd_sta_init_16_p0 ; [L12516] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L12517] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L12518] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L12519] int var_mwl8k_rxd_sta_refill_17_p2 ; [L12520] void *var_mwl8k_rxd_sta_process_18_p0 ; [L12521] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L12522] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L12523] struct ieee80211_hw *var_group2 ; [L12524] struct ieee80211_tx_control *var_group3 ; [L12525] struct sk_buff *var_mwl8k_tx_99_p2 ; [L12526] struct ieee80211_vif *var_group4 ; [L12527] u32 var_mwl8k_config_106_p1 ; [L12528] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_109_p2 ; [L12529] u32 var_mwl8k_bss_info_changed_109_p3 ; [L12530] struct netdev_hw_addr_list *var_group5 ; [L12531] unsigned int var_mwl8k_configure_filter_113_p1 ; [L12532] unsigned int *var_mwl8k_configure_filter_113_p2 ; [L12533] u64 var_mwl8k_configure_filter_113_p3 ; [L12534] enum set_key_cmd var_mwl8k_set_key_93_p1 ; [L12535] struct ieee80211_vif *var_mwl8k_set_key_93_p2 ; [L12536] struct ieee80211_sta *var_mwl8k_set_key_93_p3 ; [L12537] struct ieee80211_key_conf *var_mwl8k_set_key_93_p4 ; [L12538] u32 var_mwl8k_set_rts_threshold_114_p1 ; [L12539] struct ieee80211_sta *var_mwl8k_sta_add_116_p2 ; [L12540] struct ieee80211_sta *var_mwl8k_sta_remove_115_p2 ; [L12541] u16 var_mwl8k_conf_tx_117_p2 ; [L12542] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_117_p3 ; [L12543] struct ieee80211_low_level_stats *var_group6 ; [L12544] int var_mwl8k_get_survey_119_p1 ; [L12545] struct survey_info *var_mwl8k_get_survey_119_p2 ; [L12546] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_120_p2 ; [L12547] struct ieee80211_sta *var_mwl8k_ampdu_action_120_p3 ; [L12548] u16 var_mwl8k_ampdu_action_120_p4 ; [L12549] u16 *var_mwl8k_ampdu_action_120_p5 ; [L12550] u8 var_mwl8k_ampdu_action_120_p6 ; [L12551] struct pci_dev *var_group7 ; [L12552] struct pci_device_id const *var_mwl8k_probe_129_p1 ; [L12553] int res_mwl8k_probe_129 ; [L12554] int var_mwl8k_interrupt_96_p0 ; [L12555] void *var_mwl8k_interrupt_96_p1 ; [L12556] int ldv_s_mwl8k_driver_pci_driver ; [L12557] int tmp ; [L12558] int tmp___0 ; [L12560] ldv_s_mwl8k_driver_pci_driver = 0 [L12561] LDV_IN_INTERRUPT = 1 [L12562] CALL ldv_initialize() [L13396] ldv_mutex_cred_guard_mutex = 1 [L13397] ldv_mutex_fw_mutex = 1 [L13398] ldv_mutex_lock = 1 [L13399] ldv_mutex_mtx = 1 [L13400] ldv_mutex_mutex = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12562] RET ldv_initialize() [L12704] tmp___0 = __VERIFIER_nondet_int() [L12705] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp___0=-2] [L12565] tmp = __VERIFIER_nondet_int() [L12567] case 0: [L12571] case 1: [L12576] case 2: [L12581] case 3: [L12585] case 4: [L12590] case 5: [L12595] case 6: [L12599] case 7: [L12603] case 8: [L12607] case 9: [L12611] case 10: [L12615] case 11: [L12619] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=-2] [L12620] FCALL ldv_handler_precall() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=-2] [L12621-L12622] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_109_p2, var_mwl8k_bss_info_changed_109_p3) [L11408] struct mwl8k_priv *priv ; [L11410] EXPR hw->priv [L11410] priv = (struct mwl8k_priv *)hw->priv [L11411] EXPR priv->ap_fw VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, priv->ap_fw=257, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5251:5247}, vif={5251:5247}] [L11411] COND FALSE !(! priv->ap_fw) [L11414] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11354] int rc ; [L11355] int tmp ; [L11356] int idx ; [L11357] int rate ; [L11358] struct sk_buff *skb ; VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5251:5247}, vif={5251:5247}] [L11360] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8952] struct mwl8k_priv *priv ; [L8953] int rc ; [L8954] struct task_struct *tmp ; [L8956] EXPR hw->priv [L8956] priv = (struct mwl8k_priv *)hw->priv [L8957] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6166] struct task_struct *pfo_ret__ ; [L6169] case 1UL: [L6172] case 2UL: [L6175] case 4UL: [L6178] case 8UL: VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6185] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex)=1, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, pfo_ret__={0:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, get_current()={0:0}, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] tmp = get_current() [L8958] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, priv->fw_mutex_owner={0:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={0:0}] [L8958] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L8974] EXPR priv->fw_mutex_depth [L8974] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L8975] return (0); VAL [\old(ldv_mutex_fw_mutex)=1, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={0:0}] [L11360] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5251:5247}, vif={5251:5247}] [L11360] tmp = mwl8k_fw_lock(hw) [L11361] COND FALSE !(tmp != 0) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5251:5247}, vif={5251:5247}] [L11365] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5251:5247}, vif={5251:5247}] [L11373] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5251:5247}, vif={5251:5247}] [L11387] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5251:5247}, vif={5251:5247}] [L11396] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5251:5247}, vif={5251:5247}] [L11401] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8980] struct mwl8k_priv *priv ; [L8982] EXPR hw->priv [L8982] priv = (struct mwl8k_priv *)hw->priv [L8983] EXPR priv->fw_mutex_depth [L8983] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L8984] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, priv->fw_mutex_depth=0, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8984] COND TRUE priv->fw_mutex_depth == 0 [L8985] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, priv->hw_restart_in_progress=-255, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8985] COND FALSE !(! priv->hw_restart_in_progress) [L8989] priv->fw_mutex_owner = 0 [L8990] CALL ldv_mutex_unlock_14(& priv->fw_mutex) [L12826] CALL ldv_mutex_unlock_fw_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={5246:0}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13064] COND FALSE !(ldv_mutex_fw_mutex == 2) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={5246:0}, lock={5246:0}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13066] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12848] reach_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 132 procedures, 2505 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 18.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 18719 SdHoareTripleChecker+Valid, 15.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18646 mSDsluCounter, 29961 SdHoareTripleChecker+Invalid, 14.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7614 mSDsCounter, 736 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2540 IncrementalHoareTripleChecker+Invalid, 3278 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 736 mSolverCounterUnsat, 22347 mSDtfsCounter, 2540 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5293occurred in iteration=6, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 304 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 07:30:41,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:30:44,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:30:44,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:30:44,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:30:44,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:30:44,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:30:44,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:30:44,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:30:44,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:30:44,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:30:44,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:30:44,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:30:44,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:30:44,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:30:44,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:30:44,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:30:44,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:30:44,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:30:44,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:30:44,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:30:44,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:30:44,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:30:44,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:30:44,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:30:44,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:30:44,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:30:44,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:30:44,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:30:44,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:30:44,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:30:44,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:30:44,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:30:44,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:30:44,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:30:44,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:30:44,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:30:44,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:30:44,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:30:44,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:30:44,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:30:44,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:30:44,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-20 07:30:44,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:30:44,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:30:44,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:30:44,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:30:44,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:30:44,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:30:44,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:30:44,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:30:44,497 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:30:44,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:30:44,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:30:44,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:30:44,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:30:44,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:30:44,500 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 07:30:44,501 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:30:44,501 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:30:44,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:30:44,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:30:44,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:30:44,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:30:44,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:30:44,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:30:44,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:30:44,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:30:44,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:30:44,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:30:44,505 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:30:44,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:30:44,506 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:30:44,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:30:44,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:30:44,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:30:44,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:30:44,507 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2021-11-20 07:30:45,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:30:45,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:30:45,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:30:45,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:30:45,072 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:30:45,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-20 07:30:45,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/data/04c266649/e04260e26a194f8189104ff030f05bba/FLAGa1d35683f [2021-11-20 07:30:46,332 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:30:46,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-20 07:30:46,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/data/04c266649/e04260e26a194f8189104ff030f05bba/FLAGa1d35683f [2021-11-20 07:30:46,579 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/data/04c266649/e04260e26a194f8189104ff030f05bba [2021-11-20 07:30:46,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:30:46,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:30:46,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:30:46,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:30:46,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:30:46,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:30:46" (1/1) ... [2021-11-20 07:30:46,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eca0e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:46, skipping insertion in model container [2021-11-20 07:30:46,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:30:46" (1/1) ... [2021-11-20 07:30:46,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:30:46,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:30:50,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-20 07:30:50,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:30:50,726 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-20 07:30:50,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:30:51,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-20 07:30:51,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:30:51,494 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:30:52,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-20 07:30:52,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:30:52,570 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:30:52,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52 WrapperNode [2021-11-20 07:30:52,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:30:52,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:30:52,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:30:52,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:30:52,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52" (1/1) ... [2021-11-20 07:30:52,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52" (1/1) ... [2021-11-20 07:30:53,055 INFO L137 Inliner]: procedures = 429, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 6892 [2021-11-20 07:30:53,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:30:53,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:30:53,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:30:53,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:30:53,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52" (1/1) ... [2021-11-20 07:30:53,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52" (1/1) ... [2021-11-20 07:30:53,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52" (1/1) ... [2021-11-20 07:30:53,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52" (1/1) ... [2021-11-20 07:30:53,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52" (1/1) ... [2021-11-20 07:30:53,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52" (1/1) ... [2021-11-20 07:30:53,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52" (1/1) ... [2021-11-20 07:30:53,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:30:53,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:30:53,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:30:53,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:30:53,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52" (1/1) ... [2021-11-20 07:30:53,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:30:53,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:30:53,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:30:53,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:30:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-11-20 07:30:53,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-11-20 07:30:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-11-20 07:30:53,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-11-20 07:30:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 07:30:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 07:30:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 07:30:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 07:30:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:30:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:30:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 07:30:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 07:30:53,899 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-20 07:30:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-20 07:30:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 07:30:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 07:30:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2021-11-20 07:30:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2021-11-20 07:30:53,900 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-20 07:30:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-20 07:30:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-20 07:30:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-20 07:30:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-11-20 07:30:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-11-20 07:30:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:30:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-20 07:30:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-20 07:30:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-11-20 07:30:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-11-20 07:30:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-11-20 07:30:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-11-20 07:30:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-11-20 07:30:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-11-20 07:30:53,904 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 07:30:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 07:30:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2021-11-20 07:30:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2021-11-20 07:30:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:30:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-20 07:30:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 07:30:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 07:30:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-20 07:30:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-20 07:30:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 07:30:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 07:30:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-11-20 07:30:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-11-20 07:30:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-11-20 07:30:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-11-20 07:30:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-11-20 07:30:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-11-20 07:30:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 07:30:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 07:30:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-20 07:30:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-20 07:30:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 07:30:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 07:30:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-11-20 07:30:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-11-20 07:30:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 07:30:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 07:30:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-11-20 07:30:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-11-20 07:30:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-11-20 07:30:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-11-20 07:30:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 07:30:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 07:30:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-11-20 07:30:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-11-20 07:30:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-20 07:30:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-20 07:30:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 07:30:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 07:30:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 07:30:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 07:30:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-20 07:30:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-20 07:30:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-11-20 07:30:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-11-20 07:30:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-20 07:30:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-20 07:30:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-11-20 07:30:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-11-20 07:30:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:30:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-20 07:30:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-20 07:30:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:30:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-20 07:30:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-20 07:30:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 07:30:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 07:30:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:30:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 07:30:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-20 07:30:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-20 07:30:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-11-20 07:30:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-11-20 07:30:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-20 07:30:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-11-20 07:30:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-11-20 07:30:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-20 07:30:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-20 07:30:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-20 07:30:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-20 07:30:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-11-20 07:30:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-11-20 07:30:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 07:30:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 07:30:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-11-20 07:30:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-11-20 07:30:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-20 07:30:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-20 07:30:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-20 07:30:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:30:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:30:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-20 07:30:53,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-20 07:30:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-20 07:30:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-20 07:30:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-20 07:30:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 07:30:53,944 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 07:30:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-11-20 07:30:53,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-11-20 07:30:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-20 07:30:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 07:30:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:30:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-20 07:30:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:30:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 07:30:53,947 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 07:30:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-20 07:30:53,947 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-20 07:30:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-20 07:30:53,948 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-20 07:30:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-11-20 07:30:53,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-11-20 07:30:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-11-20 07:30:53,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-11-20 07:30:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-11-20 07:30:53,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-11-20 07:30:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-11-20 07:30:53,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-11-20 07:30:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-11-20 07:30:53,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-11-20 07:30:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-11-20 07:30:53,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-11-20 07:30:53,950 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-11-20 07:30:53,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-11-20 07:30:53,950 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 07:30:53,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 07:30:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-20 07:30:53,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-20 07:30:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-11-20 07:30:53,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-11-20 07:30:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 07:30:53,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 07:30:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 07:30:53,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 07:30:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-11-20 07:30:53,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-11-20 07:30:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-11-20 07:30:53,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-11-20 07:30:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-11-20 07:30:53,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-11-20 07:30:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:30:53,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:30:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 07:30:53,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 07:30:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 07:30:53,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 07:30:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-20 07:30:53,954 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-20 07:30:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-11-20 07:30:53,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-11-20 07:30:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 07:30:53,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 07:30:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-11-20 07:30:53,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-11-20 07:30:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 07:30:53,956 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 07:30:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-20 07:30:53,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-20 07:30:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:30:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-11-20 07:30:53,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-11-20 07:30:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:30:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-11-20 07:30:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-11-20 07:30:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-11-20 07:30:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-11-20 07:30:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-11-20 07:30:53,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-11-20 07:30:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-11-20 07:30:53,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-11-20 07:30:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-20 07:30:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-20 07:30:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-20 07:30:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-11-20 07:30:53,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-11-20 07:30:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 07:30:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:30:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-20 07:30:53,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-20 07:30:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 07:30:53,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 07:30:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-20 07:30:53,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-20 07:30:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-11-20 07:30:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-11-20 07:30:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-20 07:30:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-20 07:30:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-11-20 07:30:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-11-20 07:30:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-11-20 07:30:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-11-20 07:30:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-11-20 07:30:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-11-20 07:30:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2021-11-20 07:30:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2021-11-20 07:30:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-20 07:30:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-20 07:30:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 07:30:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 07:30:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-11-20 07:30:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-11-20 07:30:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-11-20 07:30:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-11-20 07:30:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-20 07:30:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-20 07:30:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-11-20 07:30:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-11-20 07:30:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-11-20 07:30:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-11-20 07:30:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-11-20 07:30:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-11-20 07:30:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-11-20 07:30:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-11-20 07:30:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 07:30:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 07:30:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-20 07:30:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-20 07:30:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-20 07:30:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-20 07:30:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-20 07:30:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-20 07:30:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:30:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:30:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-20 07:30:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-20 07:30:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2021-11-20 07:30:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2021-11-20 07:30:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-20 07:30:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-20 07:30:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-11-20 07:30:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-11-20 07:30:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-11-20 07:30:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-11-20 07:30:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-20 07:30:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-20 07:30:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-11-20 07:30:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-11-20 07:30:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-20 07:30:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-20 07:30:53,981 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-11-20 07:30:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-11-20 07:30:53,981 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-11-20 07:30:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-11-20 07:30:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-11-20 07:30:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-11-20 07:30:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-20 07:30:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-20 07:30:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 07:30:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 07:30:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-11-20 07:30:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-11-20 07:30:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-11-20 07:30:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-11-20 07:30:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 07:30:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 07:30:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-11-20 07:30:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-11-20 07:30:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-20 07:30:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-20 07:30:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-11-20 07:30:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-11-20 07:30:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-20 07:30:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-20 07:30:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-11-20 07:30:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-11-20 07:30:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-20 07:30:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-20 07:30:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-11-20 07:30:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-11-20 07:30:55,529 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:30:55,534 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:32:53,977 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:32:54,004 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:32:54,004 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:32:54,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:32:54 BoogieIcfgContainer [2021-11-20 07:32:54,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:32:54,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:32:54,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:32:54,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:32:54,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:30:46" (1/3) ... [2021-11-20 07:32:54,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da5832c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:32:54, skipping insertion in model container [2021-11-20 07:32:54,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:52" (2/3) ... [2021-11-20 07:32:54,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da5832c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:32:54, skipping insertion in model container [2021-11-20 07:32:54,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:32:54" (3/3) ... [2021-11-20 07:32:54,023 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-20 07:32:54,030 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:32:54,030 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:32:54,122 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:32:54,134 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:32:54,135 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:32:54,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2021-11-20 07:32:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-20 07:32:54,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:54,250 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:32:54,250 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:54,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:54,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1001382404, now seen corresponding path program 1 times [2021-11-20 07:32:54,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:54,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778335423] [2021-11-20 07:32:54,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:32:54,281 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:54,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:54,285 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:54,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 07:32:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:32:56,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 1705 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:32:56,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:32:56,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:32:56,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:32:56,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:32:56,939 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:32:56,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778335423] [2021-11-20 07:32:56,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778335423] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:32:56,940 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:32:56,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 07:32:56,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855536093] [2021-11-20 07:32:56,943 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:32:56,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:32:56,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:32:56,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:32:56,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:32:56,990 INFO L87 Difference]: Start difference. First operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:32:57,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:32:57,562 INFO L93 Difference]: Finished difference Result 5004 states and 7401 transitions. [2021-11-20 07:32:57,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:32:57,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-20 07:32:57,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:32:57,609 INFO L225 Difference]: With dead ends: 5004 [2021-11-20 07:32:57,610 INFO L226 Difference]: Without dead ends: 2485 [2021-11-20 07:32:57,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:32:57,639 INFO L933 BasicCegarLoop]: 3604 mSDtfsCounter, 3599 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:32:57,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3599 Valid, 3604 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:32:57,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2021-11-20 07:32:57,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2021-11-20 07:32:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 1746 states have (on average 1.354524627720504) internal successors, (2365), 1806 states have internal predecessors, (2365), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2021-11-20 07:32:57,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3575 transitions. [2021-11-20 07:32:57,915 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3575 transitions. Word has length 9 [2021-11-20 07:32:57,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:32:57,916 INFO L470 AbstractCegarLoop]: Abstraction has 2485 states and 3575 transitions. [2021-11-20 07:32:57,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:32:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3575 transitions. [2021-11-20 07:32:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 07:32:57,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:32:57,918 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:32:57,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:32:58,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:32:58,143 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:32:58,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:32:58,144 INFO L85 PathProgramCache]: Analyzing trace with hash 976920785, now seen corresponding path program 1 times [2021-11-20 07:32:58,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:32:58,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261508749] [2021-11-20 07:32:58,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:32:58,147 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:32:58,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:32:58,150 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:32:58,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 07:32:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:32:59,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:32:59,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:33:00,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:33:00,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:33:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:33:00,308 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:33:00,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261508749] [2021-11-20 07:33:00,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261508749] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:33:00,308 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:33:00,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 07:33:00,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203309916] [2021-11-20 07:33:00,309 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:33:00,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:33:00,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:33:00,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:33:00,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:00,312 INFO L87 Difference]: Start difference. First operand 2485 states and 3575 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:33:01,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:33:01,145 INFO L93 Difference]: Finished difference Result 7371 states and 10955 transitions. [2021-11-20 07:33:01,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:33:01,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 07:33:01,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:33:01,197 INFO L225 Difference]: With dead ends: 7371 [2021-11-20 07:33:01,197 INFO L226 Difference]: Without dead ends: 4889 [2021-11-20 07:33:01,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:01,219 INFO L933 BasicCegarLoop]: 4645 mSDtfsCounter, 3566 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3566 SdHoareTripleChecker+Valid, 8273 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:33:01,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3566 Valid, 8273 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 07:33:01,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4889 states. [2021-11-20 07:33:01,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4889 to 4886. [2021-11-20 07:33:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 3438 states have (on average 1.3539848749272834) internal successors, (4655), 3551 states have internal predecessors, (4655), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-20 07:33:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 7209 transitions. [2021-11-20 07:33:01,575 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 7209 transitions. Word has length 10 [2021-11-20 07:33:01,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:33:01,576 INFO L470 AbstractCegarLoop]: Abstraction has 4886 states and 7209 transitions. [2021-11-20 07:33:01,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:33:01,577 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 7209 transitions. [2021-11-20 07:33:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 07:33:01,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:33:01,578 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:33:01,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:33:01,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:33:01,793 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:33:01,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:33:01,794 INFO L85 PathProgramCache]: Analyzing trace with hash 218615463, now seen corresponding path program 1 times [2021-11-20 07:33:01,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:33:01,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859343296] [2021-11-20 07:33:01,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:33:01,797 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:33:01,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:33:01,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:33:01,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 07:33:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:33:03,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:33:03,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:33:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:33:04,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:33:04,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:33:04,309 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:33:04,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859343296] [2021-11-20 07:33:04,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859343296] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:33:04,310 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:33:04,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 07:33:04,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090501342] [2021-11-20 07:33:04,311 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:33:04,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:33:04,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:33:04,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:33:04,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:04,313 INFO L87 Difference]: Start difference. First operand 4886 states and 7209 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:33:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:33:04,748 INFO L93 Difference]: Finished difference Result 4888 states and 7210 transitions. [2021-11-20 07:33:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:33:04,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-20 07:33:04,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:33:04,799 INFO L225 Difference]: With dead ends: 4888 [2021-11-20 07:33:04,800 INFO L226 Difference]: Without dead ends: 4885 [2021-11-20 07:33:04,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:04,809 INFO L933 BasicCegarLoop]: 3572 mSDtfsCounter, 3565 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 3572 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:33:04,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3565 Valid, 3572 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:33:04,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2021-11-20 07:33:05,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2021-11-20 07:33:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4885 states, 3438 states have (on average 1.3536940081442699) internal successors, (4654), 3550 states have internal predecessors, (4654), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-20 07:33:05,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 7207 transitions. [2021-11-20 07:33:05,175 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 7207 transitions. Word has length 11 [2021-11-20 07:33:05,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:33:05,176 INFO L470 AbstractCegarLoop]: Abstraction has 4885 states and 7207 transitions. [2021-11-20 07:33:05,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:33:05,177 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 7207 transitions. [2021-11-20 07:33:05,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 07:33:05,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:33:05,178 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:33:05,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:33:05,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:33:05,395 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:33:05,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:33:05,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1814008172, now seen corresponding path program 1 times [2021-11-20 07:33:05,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:33:05,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346222075] [2021-11-20 07:33:05,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:33:05,398 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:33:05,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:33:05,401 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:33:05,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 07:33:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:33:07,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:33:07,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:33:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:33:07,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:33:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:33:08,002 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:33:08,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346222075] [2021-11-20 07:33:08,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346222075] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:33:08,003 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:33:08,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 07:33:08,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204287117] [2021-11-20 07:33:08,003 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:33:08,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:33:08,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:33:08,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:33:08,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:08,006 INFO L87 Difference]: Start difference. First operand 4885 states and 7207 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:33:08,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:33:08,623 INFO L93 Difference]: Finished difference Result 4887 states and 7208 transitions. [2021-11-20 07:33:08,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:33:08,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-20 07:33:08,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:33:08,675 INFO L225 Difference]: With dead ends: 4887 [2021-11-20 07:33:08,675 INFO L226 Difference]: Without dead ends: 4884 [2021-11-20 07:33:08,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:08,689 INFO L933 BasicCegarLoop]: 3570 mSDtfsCounter, 3562 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3562 SdHoareTripleChecker+Valid, 3570 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:33:08,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3562 Valid, 3570 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:33:08,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2021-11-20 07:33:09,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4884. [2021-11-20 07:33:09,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4884 states, 3438 states have (on average 1.3534031413612566) internal successors, (4653), 3549 states have internal predecessors, (4653), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-20 07:33:09,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 7205 transitions. [2021-11-20 07:33:09,151 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 7205 transitions. Word has length 12 [2021-11-20 07:33:09,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:33:09,152 INFO L470 AbstractCegarLoop]: Abstraction has 4884 states and 7205 transitions. [2021-11-20 07:33:09,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:33:09,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 7205 transitions. [2021-11-20 07:33:09,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-20 07:33:09,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:33:09,155 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:33:09,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:33:09,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:33:09,371 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:33:09,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:33:09,371 INFO L85 PathProgramCache]: Analyzing trace with hash -400826550, now seen corresponding path program 1 times [2021-11-20 07:33:09,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:33:09,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20550992] [2021-11-20 07:33:09,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:33:09,373 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:33:09,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:33:09,374 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:33:09,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 07:33:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:33:11,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:33:11,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:33:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:33:11,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:33:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:33:11,822 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:33:11,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20550992] [2021-11-20 07:33:11,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20550992] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:33:11,822 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:33:11,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 07:33:11,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253670627] [2021-11-20 07:33:11,823 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:33:11,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:33:11,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:33:11,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:33:11,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:11,824 INFO L87 Difference]: Start difference. First operand 4884 states and 7205 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:33:12,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:33:12,291 INFO L93 Difference]: Finished difference Result 4886 states and 7206 transitions. [2021-11-20 07:33:12,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:33:12,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-20 07:33:12,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:33:12,375 INFO L225 Difference]: With dead ends: 4886 [2021-11-20 07:33:12,375 INFO L226 Difference]: Without dead ends: 4877 [2021-11-20 07:33:12,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:12,381 INFO L933 BasicCegarLoop]: 3569 mSDtfsCounter, 3559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3559 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:33:12,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3559 Valid, 3569 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 07:33:12,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2021-11-20 07:33:12,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4877. [2021-11-20 07:33:12,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3531468531468531) internal successors, (4644), 3542 states have internal predecessors, (4644), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-20 07:33:12,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7195 transitions. [2021-11-20 07:33:12,796 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7195 transitions. Word has length 13 [2021-11-20 07:33:12,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:33:12,797 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 7195 transitions. [2021-11-20 07:33:12,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:33:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7195 transitions. [2021-11-20 07:33:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-20 07:33:12,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:33:12,815 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:33:12,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:33:13,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:33:13,031 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:33:13,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:33:13,032 INFO L85 PathProgramCache]: Analyzing trace with hash 155338824, now seen corresponding path program 1 times [2021-11-20 07:33:13,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:33:13,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090766272] [2021-11-20 07:33:13,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:33:13,035 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:33:13,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:33:13,037 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:33:13,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 07:33:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:33:15,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 1846 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:33:15,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:33:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:33:15,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:33:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:33:15,886 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:33:15,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090766272] [2021-11-20 07:33:15,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090766272] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:33:15,887 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:33:15,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 07:33:15,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024985716] [2021-11-20 07:33:15,887 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:33:15,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:33:15,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:33:15,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:33:15,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:15,888 INFO L87 Difference]: Start difference. First operand 4877 states and 7195 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 07:33:16,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:33:16,294 INFO L93 Difference]: Finished difference Result 9753 states and 14741 transitions. [2021-11-20 07:33:16,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:33:16,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2021-11-20 07:33:16,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:33:16,356 INFO L225 Difference]: With dead ends: 9753 [2021-11-20 07:33:16,356 INFO L226 Difference]: Without dead ends: 4879 [2021-11-20 07:33:16,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:33:16,402 INFO L933 BasicCegarLoop]: 3561 mSDtfsCounter, 0 mSDsluCounter, 3554 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7115 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:33:16,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7115 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:33:16,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2021-11-20 07:33:16,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4877. [2021-11-20 07:33:16,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3513986013986015) internal successors, (4638), 3542 states have internal predecessors, (4638), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-20 07:33:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7189 transitions. [2021-11-20 07:33:16,735 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7189 transitions. Word has length 53 [2021-11-20 07:33:16,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:33:16,736 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 7189 transitions. [2021-11-20 07:33:16,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 07:33:16,736 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7189 transitions. [2021-11-20 07:33:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 07:33:16,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:33:16,746 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:33:16,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:33:16,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:33:16,971 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:33:16,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:33:16,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1711701568, now seen corresponding path program 1 times [2021-11-20 07:33:16,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:33:16,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672932668] [2021-11-20 07:33:16,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:33:16,974 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:33:16,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:33:16,975 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:33:16,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1974359-3827-4191-961f-fb71cc0218c7/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process