./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN --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 d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:55:06,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:55:06,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:55:06,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:55:06,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:55:06,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:55:06,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:55:06,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:55:06,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:55:06,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:55:06,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:55:06,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:55:06,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:55:06,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:55:06,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:55:06,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:55:06,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:55:06,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:55:06,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:55:06,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:55:06,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:55:06,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:55:06,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:55:06,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:55:06,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:55:06,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:55:06,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:55:06,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:55:06,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:55:06,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:55:06,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:55:06,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:55:06,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:55:06,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:55:06,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:55:06,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:55:06,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:55:06,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:55:06,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:55:06,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:55:06,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:55:06,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:55:06,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:55:06,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:55:06,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:55:06,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:55:06,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:55:06,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:55:06,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:55:06,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:55:06,681 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:55:06,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:55:06,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:55:06,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:55:06,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:55:06,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:55:06,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:55:06,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:55:06,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:55:06,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:55:06,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:55:06,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:55:06,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:55:06,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:55:06,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:55:06,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:55:06,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:55:06,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:55:06,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:55:06,689 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:55:06,689 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:55:06,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:55:06,690 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_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d [2022-11-20 10:55:07,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:55:07,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:55:07,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:55:07,082 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:55:07,087 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:55:07,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-11-20 10:55:10,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:55:11,405 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:55:11,406 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-11-20 10:55:11,461 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/data/ddf52307e/2baae2e2e3794b34aa08aa19b590296c/FLAGf62e35caf [2022-11-20 10:55:11,478 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/data/ddf52307e/2baae2e2e3794b34aa08aa19b590296c [2022-11-20 10:55:11,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:55:11,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:55:11,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:55:11,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:55:11,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:55:11,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:55:11" (1/1) ... [2022-11-20 10:55:11,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4047f60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:11, skipping insertion in model container [2022-11-20 10:55:11,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:55:11" (1/1) ... [2022-11-20 10:55:11,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:55:11,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:55:12,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-11-20 10:55:14,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:55:14,302 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:55:14,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-11-20 10:55:14,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:55:14,916 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:55:14,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14 WrapperNode [2022-11-20 10:55:14,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:55:14,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:55:14,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:55:14,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:55:14,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (1/1) ... [2022-11-20 10:55:15,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (1/1) ... [2022-11-20 10:55:15,310 INFO L138 Inliner]: procedures = 239, calls = 3023, calls flagged for inlining = 111, calls inlined = 96, statements flattened = 5277 [2022-11-20 10:55:15,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:55:15,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:55:15,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:55:15,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:55:15,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (1/1) ... [2022-11-20 10:55:15,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (1/1) ... [2022-11-20 10:55:15,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (1/1) ... [2022-11-20 10:55:15,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (1/1) ... [2022-11-20 10:55:15,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (1/1) ... [2022-11-20 10:55:15,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (1/1) ... [2022-11-20 10:55:15,594 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (1/1) ... [2022-11-20 10:55:15,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (1/1) ... [2022-11-20 10:55:15,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:55:15,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:55:15,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:55:15,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:55:15,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (1/1) ... [2022-11-20 10:55:15,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:55:15,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:55:15,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:55:15,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:55:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2022-11-20 10:55:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2022-11-20 10:55:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2022-11-20 10:55:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2022-11-20 10:55:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2022-11-20 10:55:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2022-11-20 10:55:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-20 10:55:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-20 10:55:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:55:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:55:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:55:15,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:55:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-20 10:55:15,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-20 10:55:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2022-11-20 10:55:15,769 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2022-11-20 10:55:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2022-11-20 10:55:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2022-11-20 10:55:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2022-11-20 10:55:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2022-11-20 10:55:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:55:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:55:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-20 10:55:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-20 10:55:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2022-11-20 10:55:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2022-11-20 10:55:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2022-11-20 10:55:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2022-11-20 10:55:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 10:55:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 10:55:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-20 10:55:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-20 10:55:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 10:55:15,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 10:55:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:55:15,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:55:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 10:55:15,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 10:55:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:55:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 10:55:15,775 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 10:55:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:55:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-20 10:55:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-20 10:55:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2022-11-20 10:55:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2022-11-20 10:55:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-20 10:55:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2022-11-20 10:55:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2022-11-20 10:55:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2022-11-20 10:55:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2022-11-20 10:55:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:55:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:55:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2022-11-20 10:55:15,778 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2022-11-20 10:55:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2022-11-20 10:55:15,778 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2022-11-20 10:55:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2022-11-20 10:55:15,779 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2022-11-20 10:55:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-20 10:55:15,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-20 10:55:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-20 10:55:15,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-20 10:55:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 10:55:15,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 10:55:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-20 10:55:15,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-20 10:55:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-20 10:55:15,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-20 10:55:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-20 10:55:15,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-20 10:55:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 10:55:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 10:55:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2022-11-20 10:55:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2022-11-20 10:55:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-20 10:55:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-20 10:55:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 10:55:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 10:55:15,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 10:55:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 10:55:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2022-11-20 10:55:15,785 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2022-11-20 10:55:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2022-11-20 10:55:15,786 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2022-11-20 10:55:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2022-11-20 10:55:15,786 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2022-11-20 10:55:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:55:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2022-11-20 10:55:15,787 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2022-11-20 10:55:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2022-11-20 10:55:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2022-11-20 10:55:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-20 10:55:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-20 10:55:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:55:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:55:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-20 10:55:15,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-20 10:55:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-20 10:55:15,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-20 10:55:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-20 10:55:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-20 10:55:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-20 10:55:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-20 10:55:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2022-11-20 10:55:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2022-11-20 10:55:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2022-11-20 10:55:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2022-11-20 10:55:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-20 10:55:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-20 10:55:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:55:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:55:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:55:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:55:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:55:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2022-11-20 10:55:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2022-11-20 10:55:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-11-20 10:55:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-11-20 10:55:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:55:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2022-11-20 10:55:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2022-11-20 10:55:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-20 10:55:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-20 10:55:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 10:55:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 10:55:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:55:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 10:55:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 10:55:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:55:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-20 10:55:15,857 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-20 10:55:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 10:55:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 10:55:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-20 10:55:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-20 10:55:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 10:55:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 10:55:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2022-11-20 10:55:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2022-11-20 10:55:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:55:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:55:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-20 10:55:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-20 10:55:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-20 10:55:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-20 10:55:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:55:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2022-11-20 10:55:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2022-11-20 10:55:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:55:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:55:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-20 10:55:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-20 10:55:16,744 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:55:16,748 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:55:17,244 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:55:28,470 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:55:28,504 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:55:28,504 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 10:55:28,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:28 BoogieIcfgContainer [2022-11-20 10:55:28,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:55:28,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:55:28,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:55:28,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:55:28,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:55:11" (1/3) ... [2022-11-20 10:55:28,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c789c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:55:28, skipping insertion in model container [2022-11-20 10:55:28,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:14" (2/3) ... [2022-11-20 10:55:28,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c789c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:55:28, skipping insertion in model container [2022-11-20 10:55:28,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:28" (3/3) ... [2022-11-20 10:55:28,526 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-11-20 10:55:28,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:55:28,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:55:28,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:55:28,693 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@335f646e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:55:28,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:55:28,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 1323 states, 958 states have (on average 1.3872651356993737) internal successors, (1329), 982 states have internal predecessors, (1329), 296 states have call successors, (296), 68 states have call predecessors, (296), 67 states have return successors, (291), 290 states have call predecessors, (291), 291 states have call successors, (291) [2022-11-20 10:55:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 10:55:28,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:28,731 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:55:28,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:55:28,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:28,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1133408372, now seen corresponding path program 1 times [2022-11-20 10:55:28,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:28,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689971553] [2022-11-20 10:55:28,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:28,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:30,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:55:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:30,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:55:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:55:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:55:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:55:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:55:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:30,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:55:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:30,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:55:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:30,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:55:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:30,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:55:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:30,440 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-20 10:55:30,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:55:30,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689971553] [2022-11-20 10:55:30,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689971553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:30,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:30,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:55:30,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679768048] [2022-11-20 10:55:30,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:30,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:55:30,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:55:30,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:55:30,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:55:30,504 INFO L87 Difference]: Start difference. First operand has 1323 states, 958 states have (on average 1.3872651356993737) internal successors, (1329), 982 states have internal predecessors, (1329), 296 states have call successors, (296), 68 states have call predecessors, (296), 67 states have return successors, (291), 290 states have call predecessors, (291), 291 states have call successors, (291) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 10:55:42,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:55:44,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:55:46,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:55:48,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:55:51,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:55:53,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:55:55,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:55:57,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:55:58,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:58,620 INFO L93 Difference]: Finished difference Result 4218 states and 6448 transitions. [2022-11-20 10:55:58,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:55:58,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 80 [2022-11-20 10:55:58,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:58,677 INFO L225 Difference]: With dead ends: 4218 [2022-11-20 10:55:58,677 INFO L226 Difference]: Without dead ends: 2882 [2022-11-20 10:55:58,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:55:58,707 INFO L413 NwaCegarLoop]: 1857 mSDtfsCounter, 3004 mSDsluCounter, 3186 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 1520 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 5043 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1520 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:58,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 5043 Invalid, 4137 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1520 Valid, 2609 Invalid, 8 Unknown, 0 Unchecked, 27.4s Time] [2022-11-20 10:55:58,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2022-11-20 10:55:59,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2568. [2022-11-20 10:55:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2568 states, 1868 states have (on average 1.3790149892933619) internal successors, (2576), 1902 states have internal predecessors, (2576), 567 states have call successors, (567), 133 states have call predecessors, (567), 132 states have return successors, (566), 564 states have call predecessors, (566), 566 states have call successors, (566) [2022-11-20 10:55:59,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2568 states and 3709 transitions. [2022-11-20 10:55:59,092 INFO L78 Accepts]: Start accepts. Automaton has 2568 states and 3709 transitions. Word has length 80 [2022-11-20 10:55:59,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:59,094 INFO L495 AbstractCegarLoop]: Abstraction has 2568 states and 3709 transitions. [2022-11-20 10:55:59,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 10:55:59,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 3709 transitions. [2022-11-20 10:55:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 10:55:59,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:59,114 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:55:59,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:55:59,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:55:59,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:59,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1308665666, now seen corresponding path program 1 times [2022-11-20 10:55:59,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:55:59,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878280066] [2022-11-20 10:55:59,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:59,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:55:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:56:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:56:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:56:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:56:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:56:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:56:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:56:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:56:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:56:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:56:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:56:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:56:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:00,558 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 10:56:00,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:56:00,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878280066] [2022-11-20 10:56:00,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878280066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:56:00,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:56:00,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 10:56:00,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129396966] [2022-11-20 10:56:00,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:56:00,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:56:00,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:56:00,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:56:00,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:56:00,563 INFO L87 Difference]: Start difference. First operand 2568 states and 3709 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 10:56:14,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:16,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:18,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:20,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:22,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:56:22,470 INFO L93 Difference]: Finished difference Result 8273 states and 12297 transitions. [2022-11-20 10:56:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:56:22,471 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2022-11-20 10:56:22,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:56:22,513 INFO L225 Difference]: With dead ends: 8273 [2022-11-20 10:56:22,513 INFO L226 Difference]: Without dead ends: 5719 [2022-11-20 10:56:22,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:56:22,528 INFO L413 NwaCegarLoop]: 1856 mSDtfsCounter, 2995 mSDsluCounter, 6028 mSDsCounter, 0 mSdLazyCounter, 4440 mSolverCounterSat, 1502 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3257 SdHoareTripleChecker+Valid, 7884 SdHoareTripleChecker+Invalid, 5946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1502 IncrementalHoareTripleChecker+Valid, 4440 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:56:22,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3257 Valid, 7884 Invalid, 5946 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1502 Valid, 4440 Invalid, 4 Unknown, 0 Unchecked, 21.1s Time] [2022-11-20 10:56:22,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5719 states. [2022-11-20 10:56:22,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5719 to 5129. [2022-11-20 10:56:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5129 states, 3735 states have (on average 1.3801874163319947) internal successors, (5155), 3805 states have internal predecessors, (5155), 1123 states have call successors, (1123), 265 states have call predecessors, (1123), 270 states have return successors, (1143), 1122 states have call predecessors, (1143), 1122 states have call successors, (1143) [2022-11-20 10:56:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5129 states to 5129 states and 7421 transitions. [2022-11-20 10:56:22,941 INFO L78 Accepts]: Start accepts. Automaton has 5129 states and 7421 transitions. Word has length 96 [2022-11-20 10:56:22,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:56:22,944 INFO L495 AbstractCegarLoop]: Abstraction has 5129 states and 7421 transitions. [2022-11-20 10:56:22,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 10:56:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5129 states and 7421 transitions. [2022-11-20 10:56:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-20 10:56:22,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:56:22,967 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:56:22,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:56:22,968 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:56:22,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:56:22,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1031569295, now seen corresponding path program 1 times [2022-11-20 10:56:22,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:56:22,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252754880] [2022-11-20 10:56:22,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:56:22,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:56:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:56:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:56:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:56:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:56:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:56:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:56:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:56:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:56:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:56:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:56:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 10:56:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:56:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:56:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:56:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 10:56:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:56:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-20 10:56:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-11-20 10:56:23,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:56:23,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252754880] [2022-11-20 10:56:23,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252754880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:56:23,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:56:23,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:56:23,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458547205] [2022-11-20 10:56:23,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:56:23,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:56:23,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:56:23,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:56:23,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:56:23,743 INFO L87 Difference]: Start difference. First operand 5129 states and 7421 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 10:56:32,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:34,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:36,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:38,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:42,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:44,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:46,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:48,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:56:49,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:56:49,115 INFO L93 Difference]: Finished difference Result 13173 states and 19380 transitions. [2022-11-20 10:56:49,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:56:49,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 144 [2022-11-20 10:56:49,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:56:49,178 INFO L225 Difference]: With dead ends: 13173 [2022-11-20 10:56:49,178 INFO L226 Difference]: Without dead ends: 8068 [2022-11-20 10:56:49,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:56:49,204 INFO L413 NwaCegarLoop]: 1678 mSDtfsCounter, 1976 mSDsluCounter, 3056 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 1394 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2125 SdHoareTripleChecker+Valid, 4734 SdHoareTripleChecker+Invalid, 3713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1394 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:56:49,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2125 Valid, 4734 Invalid, 3713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1394 Valid, 2311 Invalid, 8 Unknown, 0 Unchecked, 24.8s Time] [2022-11-20 10:56:49,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8068 states. [2022-11-20 10:56:49,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8068 to 7368. [2022-11-20 10:56:49,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7368 states, 5407 states have (on average 1.3772886998335492) internal successors, (7447), 5493 states have internal predecessors, (7447), 1550 states have call successors, (1550), 397 states have call predecessors, (1550), 410 states have return successors, (1586), 1549 states have call predecessors, (1586), 1549 states have call successors, (1586) [2022-11-20 10:56:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7368 states to 7368 states and 10583 transitions. [2022-11-20 10:56:49,751 INFO L78 Accepts]: Start accepts. Automaton has 7368 states and 10583 transitions. Word has length 144 [2022-11-20 10:56:49,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:56:49,753 INFO L495 AbstractCegarLoop]: Abstraction has 7368 states and 10583 transitions. [2022-11-20 10:56:49,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 10:56:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 7368 states and 10583 transitions. [2022-11-20 10:56:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-20 10:56:49,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:56:49,762 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:56:49,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:56:49,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:56:49,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:56:49,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1280360539, now seen corresponding path program 1 times [2022-11-20 10:56:49,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:56:49,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082035763] [2022-11-20 10:56:49,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:56:49,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:56:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:56:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:56:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:56:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:56:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:56:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:56:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:56:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:56:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:56:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:56:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 10:56:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 10:56:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:56:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 10:56:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:56:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:56:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-20 10:56:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 10:56:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:56:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 10:56:50,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:56:50,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082035763] [2022-11-20 10:56:50,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082035763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:56:50,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:56:50,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 10:56:50,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75340787] [2022-11-20 10:56:50,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:56:50,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:56:50,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:56:50,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:56:50,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:56:50,682 INFO L87 Difference]: Start difference. First operand 7368 states and 10583 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 10:57:01,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:03,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:05,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:08,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:10,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:13,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:57:13,743 INFO L93 Difference]: Finished difference Result 19475 states and 28560 transitions. [2022-11-20 10:57:13,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 10:57:13,744 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2022-11-20 10:57:13,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:57:13,839 INFO L225 Difference]: With dead ends: 19475 [2022-11-20 10:57:13,840 INFO L226 Difference]: Without dead ends: 12142 [2022-11-20 10:57:13,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:57:13,865 INFO L413 NwaCegarLoop]: 2115 mSDtfsCounter, 2416 mSDsluCounter, 4814 mSDsCounter, 0 mSdLazyCounter, 4402 mSolverCounterSat, 1410 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 6929 SdHoareTripleChecker+Invalid, 5817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1410 IncrementalHoareTripleChecker+Valid, 4402 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:57:13,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 6929 Invalid, 5817 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1410 Valid, 4402 Invalid, 5 Unknown, 0 Unchecked, 22.2s Time] [2022-11-20 10:57:13,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12142 states. [2022-11-20 10:57:14,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12142 to 10770. [2022-11-20 10:57:14,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10770 states, 7866 states have (on average 1.3752860411899313) internal successors, (10818), 8014 states have internal predecessors, (10818), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 625 states have return successors, (2324), 2277 states have call predecessors, (2324), 2277 states have call successors, (2324) [2022-11-20 10:57:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10770 states to 10770 states and 15420 transitions. [2022-11-20 10:57:14,600 INFO L78 Accepts]: Start accepts. Automaton has 10770 states and 15420 transitions. Word has length 156 [2022-11-20 10:57:14,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:57:14,600 INFO L495 AbstractCegarLoop]: Abstraction has 10770 states and 15420 transitions. [2022-11-20 10:57:14,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 10:57:14,602 INFO L276 IsEmpty]: Start isEmpty. Operand 10770 states and 15420 transitions. [2022-11-20 10:57:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-20 10:57:14,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:57:14,615 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:57:14,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:57:14,616 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:57:14,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:57:14,617 INFO L85 PathProgramCache]: Analyzing trace with hash 415274850, now seen corresponding path program 1 times [2022-11-20 10:57:14,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:57:14,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602566436] [2022-11-20 10:57:14,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:57:14,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:57:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:57:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:57:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:57:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:57:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:57:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:57:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:57:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:57:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:57:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:57:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:57:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:57:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 10:57:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 10:57:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:57:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:15,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 10:57:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:16,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:57:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:16,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:57:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:16,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:57:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:16,071 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-20 10:57:16,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:57:16,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602566436] [2022-11-20 10:57:16,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602566436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:57:16,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:57:16,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:57:16,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219828853] [2022-11-20 10:57:16,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:57:16,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:57:16,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:57:16,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:57:16,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:57:16,075 INFO L87 Difference]: Start difference. First operand 10770 states and 15420 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 10:57:24,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:26,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:28,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:30,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:32,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:57:32,154 INFO L93 Difference]: Finished difference Result 22746 states and 33220 transitions. [2022-11-20 10:57:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:57:32,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2022-11-20 10:57:32,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:57:32,225 INFO L225 Difference]: With dead ends: 22746 [2022-11-20 10:57:32,225 INFO L226 Difference]: Without dead ends: 12015 [2022-11-20 10:57:32,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:57:32,268 INFO L413 NwaCegarLoop]: 1565 mSDtfsCounter, 881 mSDsluCounter, 3082 mSDsCounter, 0 mSdLazyCounter, 2153 mSolverCounterSat, 962 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 4647 SdHoareTripleChecker+Invalid, 3119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 962 IncrementalHoareTripleChecker+Valid, 2153 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:57:32,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 4647 Invalid, 3119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [962 Valid, 2153 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2022-11-20 10:57:32,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12015 states. [2022-11-20 10:57:32,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12015 to 10778. [2022-11-20 10:57:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10778 states, 7874 states have (on average 1.3743967487934976) internal successors, (10822), 8022 states have internal predecessors, (10822), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 625 states have return successors, (2324), 2277 states have call predecessors, (2324), 2277 states have call successors, (2324) [2022-11-20 10:57:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10778 states to 10778 states and 15424 transitions. [2022-11-20 10:57:33,042 INFO L78 Accepts]: Start accepts. Automaton has 10778 states and 15424 transitions. Word has length 168 [2022-11-20 10:57:33,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:57:33,044 INFO L495 AbstractCegarLoop]: Abstraction has 10778 states and 15424 transitions. [2022-11-20 10:57:33,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 10:57:33,045 INFO L276 IsEmpty]: Start isEmpty. Operand 10778 states and 15424 transitions. [2022-11-20 10:57:33,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-20 10:57:33,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:57:33,062 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:57:33,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:57:33,063 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:57:33,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:57:33,063 INFO L85 PathProgramCache]: Analyzing trace with hash -970928544, now seen corresponding path program 1 times [2022-11-20 10:57:33,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:57:33,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997216447] [2022-11-20 10:57:33,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:57:33,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:57:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:57:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:57:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:57:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:57:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:57:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:57:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:57:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:57:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:57:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:57:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:57:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:57:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 10:57:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 10:57:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:57:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 10:57:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:57:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:57:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 10:57:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-11-20 10:57:35,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:57:35,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997216447] [2022-11-20 10:57:35,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997216447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:57:35,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:57:35,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 10:57:35,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340778288] [2022-11-20 10:57:35,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:57:35,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:57:35,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:57:35,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:57:35,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:57:35,011 INFO L87 Difference]: Start difference. First operand 10778 states and 15424 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 10:57:43,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:45,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:48,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:50,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:57:52,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:57:52,439 INFO L93 Difference]: Finished difference Result 22682 states and 33128 transitions. [2022-11-20 10:57:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:57:52,440 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2022-11-20 10:57:52,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:57:52,500 INFO L225 Difference]: With dead ends: 22682 [2022-11-20 10:57:52,500 INFO L226 Difference]: Without dead ends: 11943 [2022-11-20 10:57:52,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:57:52,594 INFO L413 NwaCegarLoop]: 1561 mSDtfsCounter, 883 mSDsluCounter, 5791 mSDsCounter, 0 mSdLazyCounter, 3243 mSolverCounterSat, 974 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 7352 SdHoareTripleChecker+Invalid, 4221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 974 IncrementalHoareTripleChecker+Valid, 3243 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:57:52,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [930 Valid, 7352 Invalid, 4221 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [974 Valid, 3243 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time] [2022-11-20 10:57:52,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11943 states. [2022-11-20 10:57:53,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11943 to 10778. [2022-11-20 10:57:53,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10778 states, 7866 states have (on average 1.372743452834986) internal successors, (10798), 8018 states have internal predecessors, (10798), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 633 states have return successors, (2335), 2281 states have call predecessors, (2335), 2277 states have call successors, (2335) [2022-11-20 10:57:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10778 states to 10778 states and 15411 transitions. [2022-11-20 10:57:53,348 INFO L78 Accepts]: Start accepts. Automaton has 10778 states and 15411 transitions. Word has length 168 [2022-11-20 10:57:53,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:57:53,349 INFO L495 AbstractCegarLoop]: Abstraction has 10778 states and 15411 transitions. [2022-11-20 10:57:53,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 10:57:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 10778 states and 15411 transitions. [2022-11-20 10:57:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-20 10:57:53,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:57:53,371 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:57:53,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:57:53,372 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:57:53,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:57:53,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1963341647, now seen corresponding path program 1 times [2022-11-20 10:57:53,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:57:53,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838815651] [2022-11-20 10:57:53,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:57:53,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:57:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:57:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:57:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:57:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:57:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:57:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:57:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:57:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:57:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:57:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:57:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:57:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:57:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 10:57:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 10:57:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:57:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 10:57:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:57:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:57:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:57:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:57:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-20 10:57:54,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:57:54,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838815651] [2022-11-20 10:57:54,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838815651] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:57:54,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296965881] [2022-11-20 10:57:54,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:57:54,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:57:54,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:57:54,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:57:54,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:57:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:56,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 5324 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:57:56,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:57:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-11-20 10:57:56,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:57:56,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296965881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:57:56,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:57:56,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-11-20 10:57:56,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337847986] [2022-11-20 10:57:56,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:57:56,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:57:56,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:57:56,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:57:56,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:57:56,492 INFO L87 Difference]: Start difference. First operand 10778 states and 15411 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 10:57:57,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:57:57,047 INFO L93 Difference]: Finished difference Result 21543 states and 30804 transitions. [2022-11-20 10:57:57,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:57:57,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 175 [2022-11-20 10:57:57,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:57:57,106 INFO L225 Difference]: With dead ends: 21543 [2022-11-20 10:57:57,106 INFO L226 Difference]: Without dead ends: 10794 [2022-11-20 10:57:57,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:57:57,142 INFO L413 NwaCegarLoop]: 1887 mSDtfsCounter, 19 mSDsluCounter, 5658 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 7545 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:57:57,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 7545 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:57:57,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10794 states. [2022-11-20 10:57:57,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10794 to 10783. [2022-11-20 10:57:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10783 states, 7871 states have (on average 1.3722525727353576) internal successors, (10801), 8023 states have internal predecessors, (10801), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 633 states have return successors, (2335), 2281 states have call predecessors, (2335), 2277 states have call successors, (2335) [2022-11-20 10:57:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10783 states to 10783 states and 15414 transitions. [2022-11-20 10:57:57,844 INFO L78 Accepts]: Start accepts. Automaton has 10783 states and 15414 transitions. Word has length 175 [2022-11-20 10:57:57,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:57:57,845 INFO L495 AbstractCegarLoop]: Abstraction has 10783 states and 15414 transitions. [2022-11-20 10:57:57,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 10:57:57,846 INFO L276 IsEmpty]: Start isEmpty. Operand 10783 states and 15414 transitions. [2022-11-20 10:57:57,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-20 10:57:57,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:57:57,863 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:57:57,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:57:58,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:57:58,078 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:57:58,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:57:58,078 INFO L85 PathProgramCache]: Analyzing trace with hash -86278417, now seen corresponding path program 1 times [2022-11-20 10:57:58,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:57:58,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520388049] [2022-11-20 10:57:58,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:57:58,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:57:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:57:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:57:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:57:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:57:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:57:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:57:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:57:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:57:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:57:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:57:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:57:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:57:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 10:57:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 10:57:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:57:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 10:57:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:57:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:57:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:57:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:57:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-20 10:57:59,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:57:59,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520388049] [2022-11-20 10:57:59,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520388049] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:57:59,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133296597] [2022-11-20 10:57:59,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:57:59,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:57:59,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:57:59,431 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:57:59,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:58:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:01,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 5324 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:58:01,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:58:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-11-20 10:58:01,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:58:01,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133296597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:58:01,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:58:01,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2022-11-20 10:58:01,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106165185] [2022-11-20 10:58:01,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:58:01,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:58:01,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:58:01,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:58:01,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:58:01,450 INFO L87 Difference]: Start difference. First operand 10783 states and 15414 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 10:58:04,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:58:04,725 INFO L93 Difference]: Finished difference Result 32270 states and 46141 transitions. [2022-11-20 10:58:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:58:04,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 175 [2022-11-20 10:58:04,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:58:04,889 INFO L225 Difference]: With dead ends: 32270 [2022-11-20 10:58:04,889 INFO L226 Difference]: Without dead ends: 32257 [2022-11-20 10:58:04,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:58:04,906 INFO L413 NwaCegarLoop]: 4018 mSDtfsCounter, 3639 mSDsluCounter, 3145 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 7163 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:58:04,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 7163 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 10:58:04,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32257 states. [2022-11-20 10:58:06,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32257 to 32211. [2022-11-20 10:58:06,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32211 states, 23507 states have (on average 1.373505764240439) internal successors, (32287), 23979 states have internal predecessors, (32287), 6810 states have call successors, (6810), 1810 states have call predecessors, (6810), 1893 states have return successors, (6983), 6805 states have call predecessors, (6983), 6809 states have call successors, (6983) [2022-11-20 10:58:07,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32211 states to 32211 states and 46080 transitions. [2022-11-20 10:58:07,123 INFO L78 Accepts]: Start accepts. Automaton has 32211 states and 46080 transitions. Word has length 175 [2022-11-20 10:58:07,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:58:07,124 INFO L495 AbstractCegarLoop]: Abstraction has 32211 states and 46080 transitions. [2022-11-20 10:58:07,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 10:58:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 32211 states and 46080 transitions. [2022-11-20 10:58:07,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-20 10:58:07,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:58:07,160 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:58:07,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:58:07,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-20 10:58:07,382 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:58:07,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:58:07,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1674626319, now seen corresponding path program 1 times [2022-11-20 10:58:07,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:58:07,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541383517] [2022-11-20 10:58:07,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:58:07,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:58:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:58:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:58:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:58:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:58:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:58:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:58:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:58:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:58:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:58:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:58:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:58:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:58:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 10:58:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 10:58:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:58:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 10:58:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:58:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:58:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:58:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:58:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-20 10:58:08,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:58:08,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541383517] [2022-11-20 10:58:08,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541383517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:58:08,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:58:08,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 10:58:08,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945121146] [2022-11-20 10:58:08,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:58:08,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:58:08,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:58:08,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:58:08,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:58:08,583 INFO L87 Difference]: Start difference. First operand 32211 states and 46080 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-20 10:58:16,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:21,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:23,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:25,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:27,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:29,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:31,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:34,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:36,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:38,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:40,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:42,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:44,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:58:48,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:58:48,147 INFO L93 Difference]: Finished difference Result 79512 states and 118469 transitions. [2022-11-20 10:58:48,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:58:48,148 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 175 [2022-11-20 10:58:48,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:58:48,386 INFO L225 Difference]: With dead ends: 79512 [2022-11-20 10:58:48,386 INFO L226 Difference]: Without dead ends: 47340 [2022-11-20 10:58:48,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:58:48,727 INFO L413 NwaCegarLoop]: 2208 mSDtfsCounter, 2747 mSDsluCounter, 5257 mSDsCounter, 0 mSdLazyCounter, 3525 mSolverCounterSat, 773 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2987 SdHoareTripleChecker+Valid, 7465 SdHoareTripleChecker+Invalid, 4310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 773 IncrementalHoareTripleChecker+Valid, 3525 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:58:48,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2987 Valid, 7465 Invalid, 4310 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [773 Valid, 3525 Invalid, 12 Unknown, 0 Unchecked, 37.1s Time] [2022-11-20 10:58:48,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47340 states. [2022-11-20 10:58:51,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47340 to 32187. [2022-11-20 10:58:51,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32187 states, 23483 states have (on average 1.3728654771536857) internal successors, (32239), 23963 states have internal predecessors, (32239), 6810 states have call successors, (6810), 1810 states have call predecessors, (6810), 1893 states have return successors, (6983), 6797 states have call predecessors, (6983), 6809 states have call successors, (6983) [2022-11-20 10:58:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32187 states to 32187 states and 46032 transitions. [2022-11-20 10:58:51,229 INFO L78 Accepts]: Start accepts. Automaton has 32187 states and 46032 transitions. Word has length 175 [2022-11-20 10:58:51,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:58:51,230 INFO L495 AbstractCegarLoop]: Abstraction has 32187 states and 46032 transitions. [2022-11-20 10:58:51,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-20 10:58:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 32187 states and 46032 transitions. [2022-11-20 10:58:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-20 10:58:51,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:58:51,277 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:58:51,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 10:58:51,278 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:58:51,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:58:51,279 INFO L85 PathProgramCache]: Analyzing trace with hash -355767504, now seen corresponding path program 1 times [2022-11-20 10:58:51,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:58:51,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029543878] [2022-11-20 10:58:51,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:58:51,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:58:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:58:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:58:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:58:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:58:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:58:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:58:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:58:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:58:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:58:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:58:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:58:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:58:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 10:58:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 10:58:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-20 10:58:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-20 10:58:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:58:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 10:58:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:58:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:58:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:58:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-11-20 10:58:52,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:58:52,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029543878] [2022-11-20 10:58:52,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029543878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:58:52,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:58:52,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 10:58:52,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439271623] [2022-11-20 10:58:52,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:58:52,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:58:52,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:58:52,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:58:52,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:58:52,390 INFO L87 Difference]: Start difference. First operand 32187 states and 46032 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:59:04,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:06,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:08,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:10,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:16,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:59:16,150 INFO L93 Difference]: Finished difference Result 81827 states and 119197 transitions. [2022-11-20 10:59:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 10:59:16,151 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 180 [2022-11-20 10:59:16,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:59:16,569 INFO L225 Difference]: With dead ends: 81827 [2022-11-20 10:59:16,569 INFO L226 Difference]: Without dead ends: 49679 [2022-11-20 10:59:16,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:59:16,637 INFO L413 NwaCegarLoop]: 1701 mSDtfsCounter, 3337 mSDsluCounter, 4226 mSDsCounter, 0 mSdLazyCounter, 4371 mSolverCounterSat, 1889 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3634 SdHoareTripleChecker+Valid, 5927 SdHoareTripleChecker+Invalid, 6264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1889 IncrementalHoareTripleChecker+Valid, 4371 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:59:16,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3634 Valid, 5927 Invalid, 6264 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1889 Valid, 4371 Invalid, 4 Unknown, 0 Unchecked, 20.8s Time] [2022-11-20 10:59:16,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49679 states. [2022-11-20 10:59:19,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49679 to 44011. [2022-11-20 10:59:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44011 states, 32113 states have (on average 1.3672033132999097) internal successors, (43905), 32805 states have internal predecessors, (43905), 9188 states have call successors, (9188), 2558 states have call predecessors, (9188), 2709 states have return successors, (9495), 9217 states have call predecessors, (9495), 9187 states have call successors, (9495) [2022-11-20 10:59:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44011 states to 44011 states and 62588 transitions. [2022-11-20 10:59:20,213 INFO L78 Accepts]: Start accepts. Automaton has 44011 states and 62588 transitions. Word has length 180 [2022-11-20 10:59:20,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:59:20,214 INFO L495 AbstractCegarLoop]: Abstraction has 44011 states and 62588 transitions. [2022-11-20 10:59:20,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:59:20,214 INFO L276 IsEmpty]: Start isEmpty. Operand 44011 states and 62588 transitions. [2022-11-20 10:59:20,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-20 10:59:20,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:59:20,254 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:59:20,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:59:20,254 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:59:20,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:59:20,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1650290853, now seen corresponding path program 1 times [2022-11-20 10:59:20,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:59:20,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861165393] [2022-11-20 10:59:20,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:59:20,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:59:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:59:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:20,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:59:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:59:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:59:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:59:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:59:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:59:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:59:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:59:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:59:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:59:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:59:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 10:59:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 10:59:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:59:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 10:59:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:59:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:59:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:59:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:59:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 10:59:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 10:59:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-20 10:59:21,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:59:21,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861165393] [2022-11-20 10:59:21,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861165393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:59:21,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:59:21,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:59:21,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129619288] [2022-11-20 10:59:21,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:59:21,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:59:21,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:59:21,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:59:21,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:59:21,398 INFO L87 Difference]: Start difference. First operand 44011 states and 62588 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 10:59:25,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:28,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:33,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:35,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:37,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:39,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:42,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:59:42,782 INFO L93 Difference]: Finished difference Result 71072 states and 102421 transitions. [2022-11-20 10:59:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:59:42,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 191 [2022-11-20 10:59:42,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:59:42,897 INFO L225 Difference]: With dead ends: 71072 [2022-11-20 10:59:42,897 INFO L226 Difference]: Without dead ends: 26960 [2022-11-20 10:59:42,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:59:42,981 INFO L413 NwaCegarLoop]: 1845 mSDtfsCounter, 2630 mSDsluCounter, 2586 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 1410 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2856 SdHoareTripleChecker+Valid, 4431 SdHoareTripleChecker+Invalid, 3553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1410 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:59:42,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2856 Valid, 4431 Invalid, 3553 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1410 Valid, 2139 Invalid, 4 Unknown, 0 Unchecked, 19.1s Time] [2022-11-20 10:59:43,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26960 states. [2022-11-20 10:59:44,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26960 to 24321. [2022-11-20 10:59:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24321 states, 17788 states have (on average 1.3642343152687204) internal successors, (24267), 18146 states have internal predecessors, (24267), 5028 states have call successors, (5028), 1423 states have call predecessors, (5028), 1504 states have return successors, (5195), 5044 states have call predecessors, (5195), 5027 states have call successors, (5195) [2022-11-20 10:59:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24321 states to 24321 states and 34490 transitions. [2022-11-20 10:59:44,655 INFO L78 Accepts]: Start accepts. Automaton has 24321 states and 34490 transitions. Word has length 191 [2022-11-20 10:59:44,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:59:44,656 INFO L495 AbstractCegarLoop]: Abstraction has 24321 states and 34490 transitions. [2022-11-20 10:59:44,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 10:59:44,656 INFO L276 IsEmpty]: Start isEmpty. Operand 24321 states and 34490 transitions. [2022-11-20 10:59:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-20 10:59:44,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:59:44,693 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:59:44,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:59:44,694 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:59:44,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:59:44,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1824154570, now seen corresponding path program 1 times [2022-11-20 10:59:44,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:59:44,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978039084] [2022-11-20 10:59:44,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:59:44,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:59:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:59:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 10:59:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:59:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 10:59:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:59:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:59:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 10:59:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 10:59:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:59:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 10:59:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:59:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:59:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 10:59:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 10:59:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 10:59:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 10:59:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:59:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:45,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:59:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:46,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:59:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:46,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:59:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:59:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 10:59:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 10:59:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 10:59:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:59:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-11-20 10:59:46,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:59:46,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978039084] [2022-11-20 10:59:46,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978039084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:59:46,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:59:46,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:59:46,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256796581] [2022-11-20 10:59:46,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:59:46,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:59:46,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:59:46,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:59:46,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:59:46,061 INFO L87 Difference]: Start difference. First operand 24321 states and 34490 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-20 10:59:49,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:56,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:59:58,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:00:00,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:00:02,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:00:04,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:00:06,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:00:09,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:00:09,951 INFO L93 Difference]: Finished difference Result 26936 states and 39582 transitions. [2022-11-20 11:00:09,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:00:09,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 214 [2022-11-20 11:00:09,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:00:10,042 INFO L225 Difference]: With dead ends: 26936 [2022-11-20 11:00:10,042 INFO L226 Difference]: Without dead ends: 26928 [2022-11-20 11:00:10,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:00:10,050 INFO L413 NwaCegarLoop]: 1578 mSDtfsCounter, 404 mSDsluCounter, 3753 mSDsCounter, 0 mSdLazyCounter, 2969 mSolverCounterSat, 329 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 5331 SdHoareTripleChecker+Invalid, 3304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 2969 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:00:10,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 5331 Invalid, 3304 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [329 Valid, 2969 Invalid, 6 Unknown, 0 Unchecked, 22.1s Time] [2022-11-20 11:00:10,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26928 states. [2022-11-20 11:00:11,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26928 to 24322. [2022-11-20 11:00:11,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24322 states, 17789 states have (on average 1.3642138400134916) internal successors, (24268), 18147 states have internal predecessors, (24268), 5028 states have call successors, (5028), 1423 states have call predecessors, (5028), 1504 states have return successors, (5195), 5044 states have call predecessors, (5195), 5027 states have call successors, (5195) [2022-11-20 11:00:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24322 states to 24322 states and 34491 transitions. [2022-11-20 11:00:11,487 INFO L78 Accepts]: Start accepts. Automaton has 24322 states and 34491 transitions. Word has length 214 [2022-11-20 11:00:11,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:00:11,488 INFO L495 AbstractCegarLoop]: Abstraction has 24322 states and 34491 transitions. [2022-11-20 11:00:11,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-20 11:00:11,488 INFO L276 IsEmpty]: Start isEmpty. Operand 24322 states and 34491 transitions. [2022-11-20 11:00:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-20 11:00:11,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:00:11,525 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:00:11,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 11:00:11,525 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:00:11,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:00:11,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1606496710, now seen corresponding path program 1 times [2022-11-20 11:00:11,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:00:11,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942548844] [2022-11-20 11:00:11,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:00:11,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:00:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:00:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:00:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:00:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:00:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:00:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:00:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:00:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:00:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:00:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:00:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 11:00:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:00:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 11:00:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:00:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 11:00:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 11:00:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:00:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:00:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:00:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 11:00:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 11:00:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 11:00:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 11:00:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 11:00:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:12,853 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-11-20 11:00:12,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:00:12,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942548844] [2022-11-20 11:00:12,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942548844] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:00:12,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016696501] [2022-11-20 11:00:12,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:00:12,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:00:12,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:00:12,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:00:12,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 11:00:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:14,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 5463 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:00:14,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:00:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-11-20 11:00:14,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:00:14,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016696501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:00:14,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:00:14,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-20 11:00:14,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959339997] [2022-11-20 11:00:14,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:00:14,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:00:14,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:00:14,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:00:14,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:00:14,833 INFO L87 Difference]: Start difference. First operand 24322 states and 34491 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 11:00:16,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:00:16,443 INFO L93 Difference]: Finished difference Result 45602 states and 65001 transitions. [2022-11-20 11:00:16,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:00:16,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2022-11-20 11:00:16,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:00:16,503 INFO L225 Difference]: With dead ends: 45602 [2022-11-20 11:00:16,504 INFO L226 Difference]: Without dead ends: 21358 [2022-11-20 11:00:16,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:00:16,559 INFO L413 NwaCegarLoop]: 1521 mSDtfsCounter, 1503 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:00:16,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 1521 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:00:16,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21358 states. [2022-11-20 11:00:17,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21358 to 21358. [2022-11-20 11:00:17,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21358 states, 15719 states have (on average 1.2855143456962912) internal successors, (20207), 15897 states have internal predecessors, (20207), 4194 states have call successors, (4194), 1363 states have call predecessors, (4194), 1444 states have return successors, (4361), 4210 states have call predecessors, (4361), 4193 states have call successors, (4361) [2022-11-20 11:00:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21358 states to 21358 states and 28762 transitions. [2022-11-20 11:00:17,917 INFO L78 Accepts]: Start accepts. Automaton has 21358 states and 28762 transitions. Word has length 217 [2022-11-20 11:00:17,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:00:17,918 INFO L495 AbstractCegarLoop]: Abstraction has 21358 states and 28762 transitions. [2022-11-20 11:00:17,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 11:00:17,918 INFO L276 IsEmpty]: Start isEmpty. Operand 21358 states and 28762 transitions. [2022-11-20 11:00:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-20 11:00:17,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:00:17,950 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:00:17,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:00:18,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 11:00:18,168 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:00:18,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:00:18,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1909518782, now seen corresponding path program 1 times [2022-11-20 11:00:18,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:00:18,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019129853] [2022-11-20 11:00:18,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:00:18,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:00:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:18,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:00:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:00:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:00:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:00:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:00:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:00:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:00:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:00:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:00:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:00:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 11:00:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:00:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 11:00:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:00:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-20 11:00:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 11:00:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:00:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:00:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:00:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 11:00:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 11:00:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 11:00:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 11:00:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 11:00:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-11-20 11:00:19,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:00:19,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019129853] [2022-11-20 11:00:19,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019129853] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:00:19,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070434357] [2022-11-20 11:00:19,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:00:19,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:00:19,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:00:19,475 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:00:19,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 11:00:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:21,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 5463 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 11:00:21,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:00:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-20 11:00:21,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:00:21,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070434357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:00:21,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:00:21,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-20 11:00:21,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19904859] [2022-11-20 11:00:21,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:00:21,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:00:21,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:00:21,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:00:21,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:00:21,234 INFO L87 Difference]: Start difference. First operand 21358 states and 28762 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 11:00:22,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:00:22,676 INFO L93 Difference]: Finished difference Result 42741 states and 57974 transitions. [2022-11-20 11:00:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:00:22,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2022-11-20 11:00:22,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:00:22,740 INFO L225 Difference]: With dead ends: 42741 [2022-11-20 11:00:22,740 INFO L226 Difference]: Without dead ends: 21377 [2022-11-20 11:00:22,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:00:22,784 INFO L413 NwaCegarLoop]: 1578 mSDtfsCounter, 2 mSDsluCounter, 3143 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4721 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:00:22,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4721 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:00:22,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21377 states. [2022-11-20 11:00:24,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21377 to 21377. [2022-11-20 11:00:24,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21377 states, 15738 states have (on average 1.2851696530690049) internal successors, (20226), 15916 states have internal predecessors, (20226), 4194 states have call successors, (4194), 1363 states have call predecessors, (4194), 1444 states have return successors, (4361), 4210 states have call predecessors, (4361), 4193 states have call successors, (4361) [2022-11-20 11:00:24,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21377 states to 21377 states and 28781 transitions. [2022-11-20 11:00:24,812 INFO L78 Accepts]: Start accepts. Automaton has 21377 states and 28781 transitions. Word has length 217 [2022-11-20 11:00:24,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:00:24,813 INFO L495 AbstractCegarLoop]: Abstraction has 21377 states and 28781 transitions. [2022-11-20 11:00:24,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 11:00:24,813 INFO L276 IsEmpty]: Start isEmpty. Operand 21377 states and 28781 transitions. [2022-11-20 11:00:24,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-20 11:00:24,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:00:24,845 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:00:24,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:00:25,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 11:00:25,059 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:00:25,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:00:25,059 INFO L85 PathProgramCache]: Analyzing trace with hash 755605214, now seen corresponding path program 1 times [2022-11-20 11:00:25,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:00:25,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717245706] [2022-11-20 11:00:25,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:00:25,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:00:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:00:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:00:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:25,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:00:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:25,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:00:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:25,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:00:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:00:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:25,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:00:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:00:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:25,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:00:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:25,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 11:00:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 11:00:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 11:00:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-20 11:00:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 11:00:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 11:00:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 11:00:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:00:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:00:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:00:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-20 11:00:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 11:00:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-20 11:00:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-20 11:00:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-20 11:00:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-20 11:00:26,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:00:26,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717245706] [2022-11-20 11:00:26,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717245706] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:00:26,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413661789] [2022-11-20 11:00:26,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:00:26,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:00:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:00:26,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:00:26,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 11:00:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:28,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 5493 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 11:00:28,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:00:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-20 11:00:28,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:00:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-11-20 11:00:28,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413661789] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:00:28,436 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:00:28,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2022-11-20 11:00:28,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537844406] [2022-11-20 11:00:28,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:00:28,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 11:00:28,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:00:28,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:00:28,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:00:28,439 INFO L87 Difference]: Start difference. First operand 21377 states and 28781 transitions. Second operand has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (63), 5 states have call predecessors, (63), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-20 11:00:32,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:00:33,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:00:39,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:00:41,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:00:43,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:00:45,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:00:48,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:00:48,986 INFO L93 Difference]: Finished difference Result 44943 states and 61990 transitions. [2022-11-20 11:00:48,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 11:00:48,987 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (63), 5 states have call predecessors, (63), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 219 [2022-11-20 11:00:48,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:00:49,237 INFO L225 Difference]: With dead ends: 44943 [2022-11-20 11:00:49,237 INFO L226 Difference]: Without dead ends: 23560 [2022-11-20 11:00:49,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2022-11-20 11:00:49,304 INFO L413 NwaCegarLoop]: 1300 mSDtfsCounter, 562 mSDsluCounter, 5977 mSDsCounter, 0 mSdLazyCounter, 3404 mSolverCounterSat, 573 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 7277 SdHoareTripleChecker+Invalid, 3981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 573 IncrementalHoareTripleChecker+Valid, 3404 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:00:49,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 7277 Invalid, 3981 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [573 Valid, 3404 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2022-11-20 11:00:49,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23560 states. [2022-11-20 11:00:50,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23560 to 21551. [2022-11-20 11:00:50,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21551 states, 15893 states have (on average 1.2859749575284716) internal successors, (20438), 16071 states have internal predecessors, (20438), 4194 states have call successors, (4194), 1382 states have call predecessors, (4194), 1463 states have return successors, (4361), 4210 states have call predecessors, (4361), 4193 states have call successors, (4361) [2022-11-20 11:00:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21551 states to 21551 states and 28993 transitions. [2022-11-20 11:00:50,845 INFO L78 Accepts]: Start accepts. Automaton has 21551 states and 28993 transitions. Word has length 219 [2022-11-20 11:00:50,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:00:50,846 INFO L495 AbstractCegarLoop]: Abstraction has 21551 states and 28993 transitions. [2022-11-20 11:00:50,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (63), 5 states have call predecessors, (63), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-20 11:00:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 21551 states and 28993 transitions. [2022-11-20 11:00:51,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-20 11:00:51,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:00:51,080 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:00:51,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-20 11:00:51,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-20 11:00:51,303 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:00:51,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:00:51,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1761517156, now seen corresponding path program 1 times [2022-11-20 11:00:51,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:00:51,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103599392] [2022-11-20 11:00:51,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:00:51,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:00:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:00:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:00:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:00:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:00:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:00:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:00:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:00:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:00:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:00:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:00:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:00:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:00:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 11:00:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-20 11:00:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:00:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:00:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-20 11:00:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 11:00:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:00:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:52,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:00:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:00:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:00:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-20 11:00:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-20 11:00:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:00:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-11-20 11:00:52,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:00:52,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103599392] [2022-11-20 11:00:52,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103599392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:00:52,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:00:52,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 11:00:52,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895609573] [2022-11-20 11:00:52,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:00:52,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 11:00:52,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:00:52,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:00:52,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:00:52,066 INFO L87 Difference]: Start difference. First operand 21551 states and 28993 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 11:01:02,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:01:04,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:01:06,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:01:08,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:01:10,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:01:12,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:01:15,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:01:15,454 INFO L93 Difference]: Finished difference Result 42522 states and 58183 transitions. [2022-11-20 11:01:15,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:01:15,455 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 223 [2022-11-20 11:01:15,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:01:15,558 INFO L225 Difference]: With dead ends: 42522 [2022-11-20 11:01:15,558 INFO L226 Difference]: Without dead ends: 21058 [2022-11-20 11:01:15,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:01:15,621 INFO L413 NwaCegarLoop]: 1182 mSDtfsCounter, 763 mSDsluCounter, 4304 mSDsCounter, 0 mSdLazyCounter, 3579 mSolverCounterSat, 612 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 5486 SdHoareTripleChecker+Invalid, 4197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 612 IncrementalHoareTripleChecker+Valid, 3579 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:01:15,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 5486 Invalid, 4197 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [612 Valid, 3579 Invalid, 6 Unknown, 0 Unchecked, 21.8s Time] [2022-11-20 11:01:15,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21058 states. [2022-11-20 11:01:17,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21058 to 19016. [2022-11-20 11:01:17,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19016 states, 13982 states have (on average 1.2872979545129453) internal successors, (17999), 14142 states have internal predecessors, (17999), 3732 states have call successors, (3732), 1226 states have call predecessors, (3732), 1301 states have return successors, (3878), 3752 states have call predecessors, (3878), 3731 states have call successors, (3878) [2022-11-20 11:01:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19016 states to 19016 states and 25609 transitions. [2022-11-20 11:01:17,120 INFO L78 Accepts]: Start accepts. Automaton has 19016 states and 25609 transitions. Word has length 223 [2022-11-20 11:01:17,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:01:17,121 INFO L495 AbstractCegarLoop]: Abstraction has 19016 states and 25609 transitions. [2022-11-20 11:01:17,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 11:01:17,122 INFO L276 IsEmpty]: Start isEmpty. Operand 19016 states and 25609 transitions. [2022-11-20 11:01:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-20 11:01:17,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:01:17,151 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:01:17,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 11:01:17,152 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:01:17,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:01:17,153 INFO L85 PathProgramCache]: Analyzing trace with hash -272869870, now seen corresponding path program 2 times [2022-11-20 11:01:17,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:01:17,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020445817] [2022-11-20 11:01:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:01:17,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:01:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:01:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:01:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:01:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:01:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:01:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:01:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:01:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:01:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:01:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:01:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:01:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:01:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:01:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:01:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 11:01:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:01:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:01:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:01:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:01:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 11:01:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-20 11:01:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 11:01:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 11:01:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-20 11:01:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:18,378 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-20 11:01:18,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:01:18,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020445817] [2022-11-20 11:01:18,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020445817] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:01:18,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318225894] [2022-11-20 11:01:18,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:01:18,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:01:18,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:01:18,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:01:18,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 11:01:20,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:01:20,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:01:20,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 4615 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 11:01:20,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:01:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-20 11:01:20,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:01:20,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318225894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:01:20,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:01:20,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [8] total 20 [2022-11-20 11:01:20,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082933035] [2022-11-20 11:01:20,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:01:20,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 11:01:20,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:01:20,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 11:01:20,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-11-20 11:01:20,747 INFO L87 Difference]: Start difference. First operand 19016 states and 25609 transitions. Second operand has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 11:01:23,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:01:23,108 INFO L93 Difference]: Finished difference Result 38244 states and 51571 transitions. [2022-11-20 11:01:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 11:01:23,109 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 3 states have call successors, (24) Word has length 226 [2022-11-20 11:01:23,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:01:23,188 INFO L225 Difference]: With dead ends: 38244 [2022-11-20 11:01:23,188 INFO L226 Difference]: Without dead ends: 19344 [2022-11-20 11:01:23,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2022-11-20 11:01:23,237 INFO L413 NwaCegarLoop]: 1606 mSDtfsCounter, 53 mSDsluCounter, 19165 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 20771 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:01:23,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 20771 Invalid, 203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:01:23,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19344 states. [2022-11-20 11:01:24,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19344 to 18989. [2022-11-20 11:01:24,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18989 states, 13973 states have (on average 1.2855507049309383) internal successors, (17963), 14115 states have internal predecessors, (17963), 3723 states have call successors, (3723), 1226 states have call predecessors, (3723), 1292 states have return successors, (3842), 3743 states have call predecessors, (3842), 3722 states have call successors, (3842) [2022-11-20 11:01:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18989 states to 18989 states and 25528 transitions. [2022-11-20 11:01:24,634 INFO L78 Accepts]: Start accepts. Automaton has 18989 states and 25528 transitions. Word has length 226 [2022-11-20 11:01:24,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:01:24,635 INFO L495 AbstractCegarLoop]: Abstraction has 18989 states and 25528 transitions. [2022-11-20 11:01:24,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 11:01:24,635 INFO L276 IsEmpty]: Start isEmpty. Operand 18989 states and 25528 transitions. [2022-11-20 11:01:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-20 11:01:24,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:01:24,655 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:01:24,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:01:24,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:01:24,856 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:01:24,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:01:24,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1934991908, now seen corresponding path program 1 times [2022-11-20 11:01:24,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:01:24,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732458777] [2022-11-20 11:01:24,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:01:24,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:01:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:01:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:01:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:01:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:01:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:01:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:01:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:01:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:01:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:01:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:01:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:01:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:01:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:01:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:01:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 11:01:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:01:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:01:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 11:01:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 11:01:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 11:01:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:01:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:01:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:01:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:01:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-11-20 11:01:25,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:01:25,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732458777] [2022-11-20 11:01:25,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732458777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:01:25,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:01:25,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 11:01:25,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118952317] [2022-11-20 11:01:25,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:01:25,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 11:01:25,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:01:25,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:01:25,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:01:25,714 INFO L87 Difference]: Start difference. First operand 18989 states and 25528 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 11:01:35,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:01:37,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:01:39,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:01:41,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:01:43,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:01:46,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:01:46,877 INFO L93 Difference]: Finished difference Result 44037 states and 61496 transitions. [2022-11-20 11:01:46,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:01:46,878 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 226 [2022-11-20 11:01:46,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:01:47,011 INFO L225 Difference]: With dead ends: 44037 [2022-11-20 11:01:47,011 INFO L226 Difference]: Without dead ends: 25164 [2022-11-20 11:01:47,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:01:47,070 INFO L413 NwaCegarLoop]: 1480 mSDtfsCounter, 1392 mSDsluCounter, 3563 mSDsCounter, 0 mSdLazyCounter, 2907 mSolverCounterSat, 1156 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 5043 SdHoareTripleChecker+Invalid, 4068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1156 IncrementalHoareTripleChecker+Valid, 2907 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:01:47,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 5043 Invalid, 4068 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1156 Valid, 2907 Invalid, 5 Unknown, 0 Unchecked, 19.3s Time] [2022-11-20 11:01:47,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25164 states. [2022-11-20 11:01:48,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25164 to 19013. [2022-11-20 11:01:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19013 states, 13985 states have (on average 1.285305684662138) internal successors, (17975), 14127 states have internal predecessors, (17975), 3735 states have call successors, (3735), 1226 states have call predecessors, (3735), 1292 states have return successors, (3854), 3755 states have call predecessors, (3854), 3734 states have call successors, (3854) [2022-11-20 11:01:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19013 states to 19013 states and 25564 transitions. [2022-11-20 11:01:48,932 INFO L78 Accepts]: Start accepts. Automaton has 19013 states and 25564 transitions. Word has length 226 [2022-11-20 11:01:48,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:01:48,932 INFO L495 AbstractCegarLoop]: Abstraction has 19013 states and 25564 transitions. [2022-11-20 11:01:48,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 11:01:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 19013 states and 25564 transitions. [2022-11-20 11:01:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-11-20 11:01:48,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:01:48,955 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:01:48,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 11:01:48,955 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:01:48,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:01:48,956 INFO L85 PathProgramCache]: Analyzing trace with hash -967082905, now seen corresponding path program 1 times [2022-11-20 11:01:48,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:01:48,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239740700] [2022-11-20 11:01:48,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:01:48,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:01:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:01:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:01:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:01:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:01:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:01:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:01:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:01:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:01:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:01:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:01:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:01:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:01:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:01:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:01:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 11:01:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:01:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:01:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 11:01:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 11:01:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-20 11:01:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 11:01:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:01:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:01:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:01:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:01:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:01:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-11-20 11:01:49,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:01:49,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239740700] [2022-11-20 11:01:49,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239740700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:01:49,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:01:49,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 11:01:49,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23338715] [2022-11-20 11:01:49,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:01:49,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 11:01:49,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:01:49,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:01:49,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:01:49,805 INFO L87 Difference]: Start difference. First operand 19013 states and 25564 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-20 11:01:59,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:01,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:03,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:05,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:07,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:09,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:11,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:13,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:16,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:02:16,841 INFO L93 Difference]: Finished difference Result 30771 states and 42407 transitions. [2022-11-20 11:02:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:02:16,842 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 230 [2022-11-20 11:02:16,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:02:16,907 INFO L225 Difference]: With dead ends: 30771 [2022-11-20 11:02:16,908 INFO L226 Difference]: Without dead ends: 21176 [2022-11-20 11:02:16,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:02:16,930 INFO L413 NwaCegarLoop]: 1187 mSDtfsCounter, 770 mSDsluCounter, 4313 mSDsCounter, 0 mSdLazyCounter, 3596 mSolverCounterSat, 615 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 5500 SdHoareTripleChecker+Invalid, 4219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 615 IncrementalHoareTripleChecker+Valid, 3596 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:02:16,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 5500 Invalid, 4219 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [615 Valid, 3596 Invalid, 8 Unknown, 0 Unchecked, 25.3s Time] [2022-11-20 11:02:16,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21176 states. [2022-11-20 11:02:18,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21176 to 19035. [2022-11-20 11:02:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19035 states, 14007 states have (on average 1.2848575712143928) internal successors, (17997), 14149 states have internal predecessors, (17997), 3735 states have call successors, (3735), 1226 states have call predecessors, (3735), 1292 states have return successors, (3854), 3755 states have call predecessors, (3854), 3734 states have call successors, (3854) [2022-11-20 11:02:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19035 states to 19035 states and 25586 transitions. [2022-11-20 11:02:18,750 INFO L78 Accepts]: Start accepts. Automaton has 19035 states and 25586 transitions. Word has length 230 [2022-11-20 11:02:18,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:02:18,751 INFO L495 AbstractCegarLoop]: Abstraction has 19035 states and 25586 transitions. [2022-11-20 11:02:18,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-20 11:02:18,752 INFO L276 IsEmpty]: Start isEmpty. Operand 19035 states and 25586 transitions. [2022-11-20 11:02:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-20 11:02:18,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:02:18,773 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:02:18,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 11:02:18,773 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:02:18,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:18,773 INFO L85 PathProgramCache]: Analyzing trace with hash -191080472, now seen corresponding path program 1 times [2022-11-20 11:02:18,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:18,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060111943] [2022-11-20 11:02:18,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:18,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:19,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:02:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:02:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:19,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:02:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:19,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:02:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:19,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:02:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:02:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:19,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:02:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:19,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:02:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:19,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:02:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:02:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:02:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:02:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:02:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:02:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 11:02:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:02:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:02:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-20 11:02:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 11:02:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-20 11:02:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 11:02:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:02:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:02:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:02:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:02:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:20,879 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-11-20 11:02:20,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:20,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060111943] [2022-11-20 11:02:20,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060111943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:20,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:20,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-20 11:02:20,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013072179] [2022-11-20 11:02:20,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:20,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 11:02:20,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:20,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 11:02:20,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-20 11:02:20,883 INFO L87 Difference]: Start difference. First operand 19035 states and 25586 transitions. Second operand has 14 states, 14 states have (on average 9.214285714285714) internal successors, (129), 8 states have internal predecessors, (129), 5 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-20 11:02:27,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:36,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:38,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:40,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:42,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:44,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:46,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:48,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:02:57,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:02:57,245 INFO L93 Difference]: Finished difference Result 40838 states and 55724 transitions. [2022-11-20 11:02:57,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-20 11:02:57,245 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.214285714285714) internal successors, (129), 8 states have internal predecessors, (129), 5 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) Word has length 232 [2022-11-20 11:02:57,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:02:57,304 INFO L225 Difference]: With dead ends: 40838 [2022-11-20 11:02:57,304 INFO L226 Difference]: Without dead ends: 19996 [2022-11-20 11:02:57,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2022-11-20 11:02:57,336 INFO L413 NwaCegarLoop]: 1049 mSDtfsCounter, 3638 mSDsluCounter, 6193 mSDsCounter, 0 mSdLazyCounter, 9504 mSolverCounterSat, 2085 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 7242 SdHoareTripleChecker+Invalid, 11596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2085 IncrementalHoareTripleChecker+Valid, 9504 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:02:57,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3897 Valid, 7242 Invalid, 11596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2085 Valid, 9504 Invalid, 7 Unknown, 0 Unchecked, 33.7s Time] [2022-11-20 11:02:57,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19996 states. [2022-11-20 11:02:58,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19996 to 17416. [2022-11-20 11:02:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17416 states, 12791 states have (on average 1.280587913376593) internal successors, (16380), 12928 states have internal predecessors, (16380), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1206 states have return successors, (3512), 3445 states have call predecessors, (3512), 3417 states have call successors, (3512) [2022-11-20 11:02:58,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17416 states to 17416 states and 23310 transitions. [2022-11-20 11:02:58,560 INFO L78 Accepts]: Start accepts. Automaton has 17416 states and 23310 transitions. Word has length 232 [2022-11-20 11:02:58,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:02:58,561 INFO L495 AbstractCegarLoop]: Abstraction has 17416 states and 23310 transitions. [2022-11-20 11:02:58,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.214285714285714) internal successors, (129), 8 states have internal predecessors, (129), 5 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-20 11:02:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand 17416 states and 23310 transitions. [2022-11-20 11:02:58,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-20 11:02:58,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:02:58,582 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:02:58,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 11:02:58,582 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:02:58,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:58,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1856923674, now seen corresponding path program 1 times [2022-11-20 11:02:58,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:58,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70953114] [2022-11-20 11:02:58,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:58,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:03:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:03:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:03:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:03:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:03:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:03:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:03:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:03:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:03:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:03:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:03:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:03:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:03:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:03:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 11:03:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:03:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:03:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:03:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:03:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:03:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-20 11:03:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-20 11:03:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 11:03:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-20 11:03:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-20 11:03:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-20 11:03:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-11-20 11:03:00,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:00,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70953114] [2022-11-20 11:03:00,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70953114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:00,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:00,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 11:03:00,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256728859] [2022-11-20 11:03:00,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:00,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 11:03:00,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:00,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:03:00,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:03:00,738 INFO L87 Difference]: Start difference. First operand 17416 states and 23310 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 11:03:09,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:11,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:13,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:15,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:20,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:03:20,866 INFO L93 Difference]: Finished difference Result 42049 states and 58686 transitions. [2022-11-20 11:03:20,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:03:20,867 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 243 [2022-11-20 11:03:20,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:03:20,952 INFO L225 Difference]: With dead ends: 42049 [2022-11-20 11:03:20,953 INFO L226 Difference]: Without dead ends: 24749 [2022-11-20 11:03:20,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:03:20,992 INFO L413 NwaCegarLoop]: 2023 mSDtfsCounter, 1305 mSDsluCounter, 8755 mSDsCounter, 0 mSdLazyCounter, 3822 mSolverCounterSat, 806 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 10778 SdHoareTripleChecker+Invalid, 4632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 3822 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:03:20,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 10778 Invalid, 4632 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [806 Valid, 3822 Invalid, 4 Unknown, 0 Unchecked, 18.2s Time] [2022-11-20 11:03:21,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24749 states. [2022-11-20 11:03:22,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24749 to 17560. [2022-11-20 11:03:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17560 states, 12908 states have (on average 1.278044623489309) internal successors, (16497), 13054 states have internal predecessors, (16497), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-20 11:03:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17560 states to 17560 states and 23463 transitions. [2022-11-20 11:03:22,490 INFO L78 Accepts]: Start accepts. Automaton has 17560 states and 23463 transitions. Word has length 243 [2022-11-20 11:03:22,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:03:22,491 INFO L495 AbstractCegarLoop]: Abstraction has 17560 states and 23463 transitions. [2022-11-20 11:03:22,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 11:03:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 17560 states and 23463 transitions. [2022-11-20 11:03:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-20 11:03:22,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:03:22,525 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:03:22,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 11:03:22,526 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:03:22,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:22,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1551633831, now seen corresponding path program 1 times [2022-11-20 11:03:22,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:03:22,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014270674] [2022-11-20 11:03:22,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:22,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:03:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:03:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:03:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:03:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:03:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:03:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:03:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:03:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:03:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:03:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:03:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:03:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:03:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:03:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:03:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 11:03:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:03:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:03:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:03:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:03:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:03:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-20 11:03:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 11:03:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-20 11:03:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-20 11:03:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-20 11:03:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-20 11:03:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-11-20 11:03:23,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:23,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014270674] [2022-11-20 11:03:23,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014270674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:23,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:23,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:03:23,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228090727] [2022-11-20 11:03:23,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:23,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:03:23,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:23,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:03:23,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:03:23,673 INFO L87 Difference]: Start difference. First operand 17560 states and 23463 transitions. Second operand has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 11:03:29,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:34,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:36,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:38,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:40,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:42,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:44,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:46,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:03:46,965 INFO L93 Difference]: Finished difference Result 37006 states and 50359 transitions. [2022-11-20 11:03:46,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:03:46,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 244 [2022-11-20 11:03:46,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:03:47,037 INFO L225 Difference]: With dead ends: 37006 [2022-11-20 11:03:47,037 INFO L226 Difference]: Without dead ends: 19562 [2022-11-20 11:03:47,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:03:47,077 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 349 mSDsluCounter, 4235 mSDsCounter, 0 mSdLazyCounter, 2863 mSolverCounterSat, 280 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 5534 SdHoareTripleChecker+Invalid, 3149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 2863 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:03:47,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 5534 Invalid, 3149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [280 Valid, 2863 Invalid, 6 Unknown, 0 Unchecked, 21.5s Time] [2022-11-20 11:03:47,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19562 states. [2022-11-20 11:03:48,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19562 to 17569. [2022-11-20 11:03:48,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17569 states, 12917 states have (on average 1.277850894170473) internal successors, (16506), 13063 states have internal predecessors, (16506), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-20 11:03:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17569 states to 17569 states and 23472 transitions. [2022-11-20 11:03:48,325 INFO L78 Accepts]: Start accepts. Automaton has 17569 states and 23472 transitions. Word has length 244 [2022-11-20 11:03:48,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:03:48,325 INFO L495 AbstractCegarLoop]: Abstraction has 17569 states and 23472 transitions. [2022-11-20 11:03:48,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 11:03:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 17569 states and 23472 transitions. [2022-11-20 11:03:48,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-20 11:03:48,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:03:48,347 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:03:48,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 11:03:48,347 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:03:48,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:48,348 INFO L85 PathProgramCache]: Analyzing trace with hash 664410985, now seen corresponding path program 1 times [2022-11-20 11:03:48,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:03:48,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97642336] [2022-11-20 11:03:48,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:48,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:03:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:03:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:03:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:03:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:03:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:03:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:03:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:03:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:03:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:03:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:03:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:03:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:03:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:03:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:03:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 11:03:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:03:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:03:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:03:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:03:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:03:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-20 11:03:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 11:03:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-20 11:03:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-20 11:03:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-20 11:03:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-20 11:03:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-20 11:03:49,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:49,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97642336] [2022-11-20 11:03:49,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97642336] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:03:49,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664854322] [2022-11-20 11:03:49,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:49,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:03:49,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:03:49,818 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:03:49,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 11:03:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:51,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 5795 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 11:03:51,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:03:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-20 11:03:52,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:03:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-20 11:03:52,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664854322] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:03:52,273 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:03:52,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2022-11-20 11:03:52,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920369317] [2022-11-20 11:03:52,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:03:52,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 11:03:52,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:52,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 11:03:52,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:03:52,276 INFO L87 Difference]: Start difference. First operand 17569 states and 23472 transitions. Second operand has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 9 states have internal predecessors, (148), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-20 11:04:02,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:04:04,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:04:06,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:04:08,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:04:10,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:04:12,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:04:15,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:15,258 INFO L93 Difference]: Finished difference Result 19465 states and 26874 transitions. [2022-11-20 11:04:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 11:04:15,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 9 states have internal predecessors, (148), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 244 [2022-11-20 11:04:15,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:04:15,456 INFO L225 Difference]: With dead ends: 19465 [2022-11-20 11:04:15,457 INFO L226 Difference]: Without dead ends: 19457 [2022-11-20 11:04:15,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 532 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-11-20 11:04:15,463 INFO L413 NwaCegarLoop]: 1306 mSDtfsCounter, 355 mSDsluCounter, 5402 mSDsCounter, 0 mSdLazyCounter, 3417 mSolverCounterSat, 285 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 6708 SdHoareTripleChecker+Invalid, 3708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 3417 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:04:15,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 6708 Invalid, 3708 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [285 Valid, 3417 Invalid, 6 Unknown, 0 Unchecked, 21.3s Time] [2022-11-20 11:04:15,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19457 states. [2022-11-20 11:04:16,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19457 to 17581. [2022-11-20 11:04:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17581 states, 12929 states have (on average 1.2775930079665867) internal successors, (16518), 13075 states have internal predecessors, (16518), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-20 11:04:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17581 states to 17581 states and 23484 transitions. [2022-11-20 11:04:16,852 INFO L78 Accepts]: Start accepts. Automaton has 17581 states and 23484 transitions. Word has length 244 [2022-11-20 11:04:16,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:04:16,853 INFO L495 AbstractCegarLoop]: Abstraction has 17581 states and 23484 transitions. [2022-11-20 11:04:16,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 9 states have internal predecessors, (148), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-20 11:04:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 17581 states and 23484 transitions. [2022-11-20 11:04:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-20 11:04:16,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:04:16,895 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:16,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:17,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:04:17,111 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:04:17,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:17,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1277957655, now seen corresponding path program 2 times [2022-11-20 11:04:17,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:17,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879624815] [2022-11-20 11:04:17,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:17,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:04:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:04:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:04:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:04:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:04:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:04:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:04:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:04:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:04:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:04:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:04:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:04:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:04:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:04:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 11:04:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:04:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:04:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:04:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:04:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:04:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-20 11:04:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 11:04:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-20 11:04:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-20 11:04:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-20 11:04:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-20 11:04:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-20 11:04:18,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:04:18,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879624815] [2022-11-20 11:04:18,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879624815] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:04:18,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857668643] [2022-11-20 11:04:18,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:04:18,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:04:18,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:18,783 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:04:18,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 11:04:27,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 11:04:27,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:04:27,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 5855 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 11:04:27,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-20 11:04:27,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:04:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-20 11:04:28,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857668643] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:04:28,457 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:04:28,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 20 [2022-11-20 11:04:28,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14784578] [2022-11-20 11:04:28,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:04:28,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-20 11:04:28,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:04:28,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 11:04:28,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-11-20 11:04:28,461 INFO L87 Difference]: Start difference. First operand 17581 states and 23484 transitions. Second operand has 20 states, 20 states have (on average 8.6) internal successors, (172), 17 states have internal predecessors, (172), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-20 11:04:35,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:04:40,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:04:42,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:04:45,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:45,869 INFO L93 Difference]: Finished difference Result 19474 states and 26882 transitions. [2022-11-20 11:04:45,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 11:04:45,870 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.6) internal successors, (172), 17 states have internal predecessors, (172), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 256 [2022-11-20 11:04:45,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:04:45,928 INFO L225 Difference]: With dead ends: 19474 [2022-11-20 11:04:45,928 INFO L226 Difference]: Without dead ends: 19466 [2022-11-20 11:04:45,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 552 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2022-11-20 11:04:45,937 INFO L413 NwaCegarLoop]: 1304 mSDtfsCounter, 562 mSDsluCounter, 9425 mSDsCounter, 0 mSdLazyCounter, 5071 mSolverCounterSat, 547 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 10729 SdHoareTripleChecker+Invalid, 5620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 5071 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:04:45,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 10729 Invalid, 5620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [547 Valid, 5071 Invalid, 2 Unknown, 0 Unchecked, 15.6s Time] [2022-11-20 11:04:45,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19466 states. [2022-11-20 11:04:47,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19466 to 17590. [2022-11-20 11:04:47,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17590 states, 12938 states have (on average 1.2773999072499613) internal successors, (16527), 13084 states have internal predecessors, (16527), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-20 11:04:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17590 states to 17590 states and 23493 transitions. [2022-11-20 11:04:47,351 INFO L78 Accepts]: Start accepts. Automaton has 17590 states and 23493 transitions. Word has length 256 [2022-11-20 11:04:47,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:04:47,352 INFO L495 AbstractCegarLoop]: Abstraction has 17590 states and 23493 transitions. [2022-11-20 11:04:47,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.6) internal successors, (172), 17 states have internal predecessors, (172), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-20 11:04:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 17590 states and 23493 transitions. [2022-11-20 11:04:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-20 11:04:47,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:04:47,376 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 9, 9, 9, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:47,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-20 11:04:47,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-20 11:04:47,577 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:04:47,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:47,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1515796583, now seen corresponding path program 3 times [2022-11-20 11:04:47,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:47,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714897286] [2022-11-20 11:04:47,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:47,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:04:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:04:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:04:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:04:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:04:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:04:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:04:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:04:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:04:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:04:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:04:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:04:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:04:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:04:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 11:04:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:04:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:04:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:04:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:04:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:04:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-20 11:04:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 11:04:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-20 11:04:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-20 11:04:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-20 11:04:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-20 11:04:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-20 11:04:49,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:04:49,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714897286] [2022-11-20 11:04:49,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714897286] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:04:49,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543997268] [2022-11-20 11:04:49,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 11:04:49,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:04:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:49,908 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:04:49,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 11:05:12,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-11-20 11:05:12,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:05:12,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 5627 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:05:12,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 145 proven. 3 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-11-20 11:05:12,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:05:13,268 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-20 11:05:13,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543997268] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:05:13,269 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:05:13,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 16 [2022-11-20 11:05:13,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867662428] [2022-11-20 11:05:13,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:05:13,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 11:05:13,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:05:13,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 11:05:13,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-11-20 11:05:13,272 INFO L87 Difference]: Start difference. First operand 17590 states and 23493 transitions. Second operand has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-20 11:05:22,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:05:24,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:05:26,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:05:28,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:05:30,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:05:30,712 INFO L93 Difference]: Finished difference Result 37070 states and 50803 transitions. [2022-11-20 11:05:30,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 11:05:30,713 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 265 [2022-11-20 11:05:30,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:05:30,768 INFO L225 Difference]: With dead ends: 37070 [2022-11-20 11:05:30,768 INFO L226 Difference]: Without dead ends: 19488 [2022-11-20 11:05:30,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2022-11-20 11:05:30,806 INFO L413 NwaCegarLoop]: 1300 mSDtfsCounter, 766 mSDsluCounter, 4839 mSDsCounter, 0 mSdLazyCounter, 2868 mSolverCounterSat, 849 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 3721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 849 IncrementalHoareTripleChecker+Valid, 2868 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:05:30,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 6139 Invalid, 3721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [849 Valid, 2868 Invalid, 4 Unknown, 0 Unchecked, 15.2s Time] [2022-11-20 11:05:30,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19488 states. [2022-11-20 11:05:31,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19488 to 17612. [2022-11-20 11:05:31,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17612 states, 12960 states have (on average 1.2753858024691358) internal successors, (16529), 13106 states have internal predecessors, (16529), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-20 11:05:32,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17612 states to 17612 states and 23495 transitions. [2022-11-20 11:05:32,013 INFO L78 Accepts]: Start accepts. Automaton has 17612 states and 23495 transitions. Word has length 265 [2022-11-20 11:05:32,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:05:32,013 INFO L495 AbstractCegarLoop]: Abstraction has 17612 states and 23495 transitions. [2022-11-20 11:05:32,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-20 11:05:32,013 INFO L276 IsEmpty]: Start isEmpty. Operand 17612 states and 23495 transitions. [2022-11-20 11:05:32,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-20 11:05:32,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:05:32,038 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 10, 9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:05:32,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-20 11:05:32,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:05:32,239 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:05:32,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:05:32,240 INFO L85 PathProgramCache]: Analyzing trace with hash -87565273, now seen corresponding path program 4 times [2022-11-20 11:05:32,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:05:32,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967311669] [2022-11-20 11:05:32,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:05:32,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:05:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:05:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:05:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:05:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:05:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:05:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:05:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:05:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:05:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:05:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:05:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 11:05:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-20 11:05:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-20 11:05:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-20 11:05:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:05:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-20 11:05:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:05:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:05:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:05:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:05:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-20 11:05:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-20 11:05:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-20 11:05:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-20 11:05:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-20 11:05:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 11:05:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-20 11:05:34,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:05:34,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967311669] [2022-11-20 11:05:34,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967311669] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:05:34,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480725663] [2022-11-20 11:05:34,954 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 11:05:34,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:05:34,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:05:34,956 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:05:34,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 11:05:37,566 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 11:05:37,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:05:37,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 5960 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-20 11:05:37,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 165 proven. 21 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-11-20 11:05:38,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:05:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-20 11:05:38,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480725663] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:05:38,845 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:05:38,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 28 [2022-11-20 11:05:38,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488800525] [2022-11-20 11:05:38,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:05:38,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-20 11:05:38,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:05:38,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-20 11:05:38,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2022-11-20 11:05:38,848 INFO L87 Difference]: Start difference. First operand 17612 states and 23495 transitions. Second operand has 28 states, 28 states have (on average 7.5) internal successors, (210), 25 states have internal predecessors, (210), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-20 11:05:57,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:05:59,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:06:01,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:06:03,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:06:08,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:06:08,530 INFO L93 Difference]: Finished difference Result 37603 states and 51810 transitions. [2022-11-20 11:06:08,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-20 11:06:08,530 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 7.5) internal successors, (210), 25 states have internal predecessors, (210), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 269 [2022-11-20 11:06:08,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:06:08,595 INFO L225 Difference]: With dead ends: 37603 [2022-11-20 11:06:08,595 INFO L226 Difference]: Without dead ends: 19879 [2022-11-20 11:06:08,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=852, Invalid=2808, Unknown=0, NotChecked=0, Total=3660 [2022-11-20 11:06:08,635 INFO L413 NwaCegarLoop]: 1295 mSDtfsCounter, 851 mSDsluCounter, 11574 mSDsCounter, 0 mSdLazyCounter, 6213 mSolverCounterSat, 923 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 12869 SdHoareTripleChecker+Invalid, 7140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 923 IncrementalHoareTripleChecker+Valid, 6213 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:06:08,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 12869 Invalid, 7140 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [923 Valid, 6213 Invalid, 4 Unknown, 0 Unchecked, 22.9s Time] [2022-11-20 11:06:08,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19879 states. [2022-11-20 11:06:10,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19879 to 17929. [2022-11-20 11:06:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17929 states, 13259 states have (on average 1.2733992005430275) internal successors, (16884), 13405 states have internal predecessors, (16884), 3418 states have call successors, (3418), 1150 states have call predecessors, (3418), 1251 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-20 11:06:10,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17929 states to 17929 states and 23850 transitions. [2022-11-20 11:06:10,408 INFO L78 Accepts]: Start accepts. Automaton has 17929 states and 23850 transitions. Word has length 269 [2022-11-20 11:06:10,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:06:10,408 INFO L495 AbstractCegarLoop]: Abstraction has 17929 states and 23850 transitions. [2022-11-20 11:06:10,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.5) internal successors, (210), 25 states have internal predecessors, (210), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-20 11:06:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 17929 states and 23850 transitions. [2022-11-20 11:06:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-20 11:06:10,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:06:10,435 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:06:10,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:06:10,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-20 11:06:10,636 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:06:10,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:06:10,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1477232121, now seen corresponding path program 5 times [2022-11-20 11:06:10,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:06:10,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652251896] [2022-11-20 11:06:10,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:06:10,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:06:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:06:19,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:06:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:06:22,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:06:22,550 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:06:22,551 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:06:22,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-20 11:06:22,557 INFO L444 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:06:22,562 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:06:22,649 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-20 11:06:22,652 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-20 11:06:22,674 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:06:22,675 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:06:22,675 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:06:22,675 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:06:22,676 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:06:22,676 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:06:22,677 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:06:22,677 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:06:22,677 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:06:22,678 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:06:23,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:06:23 BoogieIcfgContainer [2022-11-20 11:06:23,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:06:23,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:06:23,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:06:23,030 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:06:23,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:28" (3/4) ... [2022-11-20 11:06:23,034 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:06:23,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:06:23,035 INFO L158 Benchmark]: Toolchain (without parser) took 671552.13ms. Allocated memory was 161.5MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 97.3MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2022-11-20 11:06:23,035 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 161.5MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:06:23,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3434.99ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 97.1MB in the beginning and 83.2MB in the end (delta: 14.0MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. [2022-11-20 11:06:23,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 390.96ms. Allocated memory is still 211.8MB. Free memory was 83.2MB in the beginning and 110.8MB in the end (delta: -27.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-11-20 11:06:23,035 INFO L158 Benchmark]: Boogie Preprocessor took 344.71ms. Allocated memory is still 211.8MB. Free memory was 110.8MB in the beginning and 76.2MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 11:06:23,035 INFO L158 Benchmark]: RCFGBuilder took 12852.56ms. Allocated memory was 211.8MB in the beginning and 390.1MB in the end (delta: 178.3MB). Free memory was 76.2MB in the beginning and 216.4MB in the end (delta: -140.2MB). Peak memory consumption was 164.9MB. Max. memory is 16.1GB. [2022-11-20 11:06:23,036 INFO L158 Benchmark]: TraceAbstraction took 654516.06ms. Allocated memory was 390.1MB in the beginning and 7.1GB in the end (delta: 6.7GB). Free memory was 215.3MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2022-11-20 11:06:23,036 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 7.1GB. Free memory is still 4.1GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:06:23,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 161.5MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3434.99ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 97.1MB in the beginning and 83.2MB in the end (delta: 14.0MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 390.96ms. Allocated memory is still 211.8MB. Free memory was 83.2MB in the beginning and 110.8MB in the end (delta: -27.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 344.71ms. Allocated memory is still 211.8MB. Free memory was 110.8MB in the beginning and 76.2MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * RCFGBuilder took 12852.56ms. Allocated memory was 211.8MB in the beginning and 390.1MB in the end (delta: 178.3MB). Free memory was 76.2MB in the beginning and 216.4MB in the end (delta: -140.2MB). Peak memory consumption was 164.9MB. Max. memory is 16.1GB. * TraceAbstraction took 654516.06ms. Allocated memory was 390.1MB in the beginning and 7.1GB in the end (delta: 6.7GB). Free memory was 215.3MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 7.1GB. Free memory is still 4.1GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * 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: 7206]: 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 10552. Possible FailurePath: [L7229] int ldv_state_variable_3 ; [L7230] int LDV_IN_INTERRUPT = 1; [L7231] int ldv_state_variable_2 ; [L7232] int ref_cnt ; [L7233] struct usb_interface *at76_driver_group1 ; [L7234] int ldv_state_variable_1 ; [L7235] int usb_counter ; [L7236] struct ieee80211_vif *at76_ops_group1 ; [L7237] int ldv_state_variable_0 ; [L7238] struct ieee80211_hw *at76_ops_group0 ; [L7547] static uint at76_debug = 0U; [L7548] static struct mutex fw_mutex ; [L7549-L7575] static struct fwentry firmwares[9U] = { {"", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-i3861.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-i3863.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-rfmd-acc.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505-rfmd2958.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505a-rfmd2958.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505amx-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}}; [L7576-L7738] static struct usb_device_id dev_table[55U] = { {3U, 1003U, 30211U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1643U, 8721U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 2148U, 16640U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 2875U, 5650U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1008U, 284U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3294U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1690U, 800U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3420U, 40961U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1189U, 36864U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1501U, 65329U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 32902U, 512U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3470U, 28928U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3470U, 28944U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1211U, 2329U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1690U, 2081U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1003U, 30212U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2UL}, {3U, 1373U, 40960U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2UL}, {3U, 1003U, 30213U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1690U, 801U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1915U, 8729U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1915U, 8743U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 2148U, 16642U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 8193U, 12800U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 5736U, 30213U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1003U, 16642U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 22339U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1189U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1286U, 2561U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1665U, 27U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1293U, 80U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1976U, 45056U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4164U, 32771U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 8217U, 12832U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1183U, 50U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1962U, 17U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1962U, 24U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1501U, 65333U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 2106U, 13569U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 4UL}, {3U, 3420U, 40962U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 4UL}, {3U, 1003U, 30214U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 5UL}, {3U, 1003U, 30227U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4977U, 20U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4977U, 19U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 6421U, 8755U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4861U, 4097U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 1962U, 30227U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 3504U, 4128U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 1003U, 30228U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 1003U, 30231U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 5776U, 1793U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 5463U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 1003U, 30229U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 8UL}}; [L7739] struct usb_device_id const __mod_usb__dev_table_device_table ; [L7740] static u8 const hw_rates[4U] = { 130U, 132U, 11U, 22U}; [L7741] static char const * const preambles[3U] = { "long", "short", "auto"}; [L8010] static int tx_activity ; [L8012-L8018] static struct timer_list ledtrig_tx_timer = {{0, (struct list_head *)1953723489}, 0UL, & boot_tvec_bases, & at76_ledtrig_tx_timerfunc, 0UL, -1, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, {(struct lock_class_key *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/947/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/at76c50x-usb.o.c.prepared:557", {0, 0}, "/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/947/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/at76c50x-usb.o.c.prepared:557", 0, 0UL}}; [L8019] static struct led_trigger *ledtrig_tx ; [L10113-L10118] static struct ieee80211_ops const at76_ops = {& at76_mac80211_tx, & at76_mac80211_start, & at76_mac80211_stop, 0, 0, 0, & at76_add_interface, 0, & at76_remove_interface, & at76_config, & at76_bss_info_changed, 0, 0, 0, & at76_configure_filter, 0, & at76_set_key, 0, 0, 0, & at76_hw_scan, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10266-L10269] static struct ieee80211_rate at76_rates[4U] = { {0U, 10U, 0U, (unsigned short)0}, {0U, 20U, 1U, (unsigned short)0}, {0U, 55U, 2U, (unsigned short)0}, {0U, 110U, 3U, (unsigned short)0}}; [L10270-L10284] static struct ieee80211_channel at76_channels[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}}; [L10285-L10301] static struct ieee80211_supported_band at76_supported_band = {(struct ieee80211_channel *)(& at76_channels), (struct ieee80211_rate *)(& at76_rates), 0, 14, 4, {(unsigned short)0, (_Bool)0, (unsigned char)0, (unsigned char)0, {{(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, (unsigned short)0, (unsigned char)0, {(unsigned char)0, (unsigned char)0, (unsigned char)0}}}, {(_Bool)0, 0U, {(unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0}}}; [L10539-L10544] static struct usb_driver at76_driver = {"at76c50x-usb", & at76_probe, & at76_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& dev_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0}; [L10581] int ldv_retval_0 ; [L10582] int ldv_retval_1 ; [L10585] int ldv_retval_2 ; [L10970] Element set_impl[15] ; [L10971] int last_index = 0; [L11105] Set LDV_SKBS ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10609] struct usb_device_id *ldvarg0 ; [L10610] void *tmp ; [L10611] unsigned long ldvarg1 ; [L10612] unsigned long tmp___0 ; [L10613] unsigned int *ldvarg11 ; [L10614] void *tmp___1 ; [L10615] struct ieee80211_sta *ldvarg7 ; [L10616] void *tmp___2 ; [L10617] struct ieee80211_tx_control *ldvarg3 ; [L10618] void *tmp___3 ; [L10619] unsigned int ldvarg12 ; [L10620] unsigned int tmp___4 ; [L10621] u32 ldvarg5 ; [L10622] u32 tmp___5 ; [L10623] struct ieee80211_bss_conf *ldvarg6 ; [L10624] void *tmp___6 ; [L10625] enum set_key_cmd ldvarg8 ; [L10626] struct cfg80211_scan_request *ldvarg4 ; [L10627] void *tmp___7 ; [L10628] u32 ldvarg13 ; [L10629] u32 tmp___8 ; [L10630] u64 ldvarg10 ; [L10631] struct ieee80211_key_conf *ldvarg9 ; [L10632] void *tmp___9 ; [L10633] struct sk_buff *ldvarg2 ; [L10634] void *tmp___10 ; [L10635] int tmp___11 ; [L10636] int tmp___12 ; [L10637] int tmp___13 ; [L10638] int tmp___14 ; [L10639] int tmp___15 ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10641] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=32, tmp___0=1, tx_activity=0, usb_counter=0] [L10641] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(32UL)={0:0}, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10641] tmp = ldv_zalloc(32UL) [L10642] ldvarg0 = (struct usb_device_id *)tmp [L10643] tmp___0 = __VERIFIER_nondet_ulong() [L10644] ldvarg1 = tmp___0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tx_activity=0, usb_counter=0] [L10645] CALL, EXPR ldv_zalloc(4UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=4, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=4, tmp___0=1, tx_activity=0, usb_counter=0] [L10645] RET, EXPR ldv_zalloc(4UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(4UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tx_activity=0, usb_counter=0] [L10645] tmp___1 = ldv_zalloc(4UL) [L10646] ldvarg11 = (unsigned int *)tmp___1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tx_activity=0, usb_counter=0] [L10647] CALL, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=88, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=88, tmp___0=1, tx_activity=0, usb_counter=0] [L10647] RET, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(88UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tx_activity=0, usb_counter=0] [L10647] tmp___2 = ldv_zalloc(88UL) [L10648] ldvarg7 = (struct ieee80211_sta *)tmp___2 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tx_activity=0, usb_counter=0] [L10649] CALL, EXPR ldv_zalloc(8UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=8, tmp___0=1, tx_activity=0, usb_counter=0] [L10649] RET, EXPR ldv_zalloc(8UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(8UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tx_activity=0, usb_counter=0] [L10649] tmp___3 = ldv_zalloc(8UL) [L10650] ldvarg3 = (struct ieee80211_tx_control *)tmp___3 [L10651] tmp___4 = __VERIFIER_nondet_uint() [L10652] ldvarg12 = tmp___4 [L10653] tmp___5 = __VERIFIER_nondet_u32() [L10654] ldvarg5 = tmp___5 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tx_activity=0, usb_counter=0] [L10655] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=232, tmp___0=1, tx_activity=0, usb_counter=0] [L10655] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(232UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tx_activity=0, usb_counter=0] [L10655] tmp___6 = ldv_zalloc(232UL) [L10656] ldvarg6 = (struct ieee80211_bss_conf *)tmp___6 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tx_activity=0, usb_counter=0] [L10657] CALL, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=88, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=88, tmp___0=1, tx_activity=0, usb_counter=0] [L10657] RET, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(88UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tx_activity=0, usb_counter=0] [L10657] tmp___7 = ldv_zalloc(88UL) [L10658] ldvarg4 = (struct cfg80211_scan_request *)tmp___7 [L10659] tmp___8 = __VERIFIER_nondet_u32() [L10660] ldvarg13 = tmp___8 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tx_activity=0, usb_counter=0] [L10661] CALL, EXPR ldv_zalloc(12UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=12, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=12, tmp___0=1, tx_activity=0, usb_counter=0] [L10661] RET, EXPR ldv_zalloc(12UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(12UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tx_activity=0, usb_counter=0] [L10661] tmp___9 = ldv_zalloc(12UL) [L10662] ldvarg9 = (struct ieee80211_key_conf *)tmp___9 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10663] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=232, tmp___0=1, tx_activity=0, usb_counter=0] [L10663] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(232UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10663] tmp___10 = ldv_zalloc(232UL) [L10664] ldvarg2 = (struct sk_buff *)tmp___10 [L10665] CALL ldv_initialize() [L11124] CALL ldv_set_init(LDV_SKBS) [L10976] set = set_impl [L10977] last_index = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={284:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11124] RET ldv_set_init(LDV_SKBS) [L10665] RET ldv_initialize() [L10666] FCALL memset((void *)(& ldvarg8), 0, 4UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, memset((void *)(& ldvarg8), 0, 4UL)={594:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10667] FCALL memset((void *)(& ldvarg10), 0, 8UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, memset((void *)(& ldvarg10), 0, 8UL)={596:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10668] ldv_state_variable_1 = 0 [L10669] ref_cnt = 0 [L10670] ldv_state_variable_0 = 1 [L10671] ldv_state_variable_3 = 0 [L10672] ldv_state_variable_2 = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10707] COND TRUE ldv_state_variable_0 != 0 [L10708] tmp___13 = __VERIFIER_nondet_int() [L10710] case 0: [L10718] case 1: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10719] COND TRUE ldv_state_variable_0 == 1 [L10720] CALL, EXPR at76_mod_init() [L10547] int result ; [L10548] struct lock_class_key __key ; [L10551] FCALL __mutex_init(& fw_mutex, "&fw_mutex", & __key) VAL [__key={598:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10552] CALL, EXPR ldv_usb_register_driver_14(& at76_driver, & __this_module, "at76c50x_usb") [L10950] ldv_func_ret_type ldv_func_res ; [L10951] int tmp ; [L10953] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L11353] return __VERIFIER_nondet_int(); [L10953] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L10953] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L10954] ldv_func_res = tmp [L10955] ldv_state_variable_1 = 1 [L10956] usb_counter = 0 [L10957] CALL ldv_usb_driver_1() [L10588] void *tmp ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10590] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=1560, tmp___0=1, tx_activity=0, usb_counter=0] [L10590] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1560UL)={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10590] tmp = ldv_zalloc(1560UL) [L10591] at76_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tx_activity=0, usb_counter=0] [L10957] RET ldv_usb_driver_1() [L10958] return (ldv_func_res); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, ldv_func_arg1={283:0}, ldv_func_arg1={283:0}, ldv_func_arg2={4294967316:4294967305}, ldv_func_arg2={4294967316:4294967305}, ldv_func_arg3={268:0}, ldv_func_arg3={268:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp=0, tx_activity=0, usb_counter=0] [L10552] RET, EXPR ldv_usb_register_driver_14(& at76_driver, & __this_module, "at76c50x_usb") [L10552] result = ldv_usb_register_driver_14(& at76_driver, & __this_module, "at76c50x_usb") [L10553] COND FALSE !(result < 0) VAL [__key={598:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, result=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10557] FCALL led_trigger_register_simple("at76_usb-tx", & ledtrig_tx) [L10558] return (result); [L10558] return (result); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, result=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10720] RET, EXPR at76_mod_init() [L10720] ldv_retval_1 = at76_mod_init() [L10721] COND TRUE ldv_retval_1 == 0 [L10722] ldv_state_variable_0 = 3 [L10723] ldv_state_variable_2 = 1 [L10724] CALL ldv_initialize_ieee80211_ops_2() [L10597] void *tmp ; [L10598] void *tmp___0 ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10600] CALL, EXPR ldv_zalloc(144UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=144, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=144, tmp___0=1, tx_activity=0, usb_counter=0] [L10600] RET, EXPR ldv_zalloc(144UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(144UL)={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10600] tmp = ldv_zalloc(144UL) [L10601] at76_ops_group0 = (struct ieee80211_hw *)tmp VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tx_activity=0, usb_counter=0] [L10602] CALL, EXPR ldv_zalloc(280UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=280, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=280, tmp___0=1, tx_activity=0, usb_counter=0] [L10602] RET, EXPR ldv_zalloc(280UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(280UL)={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tx_activity=0, usb_counter=0] [L10602] tmp___0 = ldv_zalloc(280UL) [L10603] at76_ops_group1 = (struct ieee80211_vif *)tmp___0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0={0:0}, tx_activity=0, usb_counter=0] [L10724] RET ldv_initialize_ieee80211_ops_2() [L10725] ldv_state_variable_3 = 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10728] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: [L10743] case 2: [L10761] case 3: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10762] COND TRUE ldv_state_variable_2 != 0 [L10763] tmp___15 = __VERIFIER_nondet_int() [L10765] case 0: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=0, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10766] COND TRUE ldv_state_variable_2 == 1 [L10767] CALL, EXPR at76_mac80211_start(at76_ops_group0) [L9718] struct at76_priv *priv ; [L9719] int ret ; [L9721] EXPR hw->priv [L9721] priv = (struct at76_priv *)hw->priv [L9722] COND FALSE !((int )at76_debug < 0) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9726] FCALL mutex_lock_nested(& priv->mtx, 0U) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9727] CALL, EXPR at76_submit_rx_urb(priv) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L8887] int ret ; [L8888] int size ; [L8889] struct sk_buff *skb ; [L8890] unsigned int tmp ; [L8891] unsigned char *tmp___0 ; [L8893] EXPR priv->rx_skb [L8893] skb = priv->rx_skb [L8894] EXPR priv->rx_urb VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={284:0}, skb={0:0}, tx_activity=0, usb_counter=0] [L8894] COND FALSE !((unsigned long )priv->rx_urb == (unsigned long )((struct urb *)0)) [L8900] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L8901] CALL, EXPR ldv_dev_alloc_skb_12(2364U) [L10934] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=2364, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, length=2364, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10936] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11108] void *skb ; [L11109] void *tmp___7 ; VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11111] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND FALSE !(tmp___0 != 0) [L7179] EXPR, FCALL calloc(1UL, size) [L7179] tmp = calloc(1UL, size) [L7180] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, calloc(1UL, size)={303:0}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, p={303:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=248, tmp={303:0}, tmp___0=0, tx_activity=0, usb_counter=0] [L7181] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7150] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, cond=1, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7181] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, calloc(1UL, size)={303:0}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, p={303:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=248, tmp={303:0}, tmp___0=0, tx_activity=0, usb_counter=0] [L7182] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={303:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, calloc(1UL, size)={303:0}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, p={303:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=248, tmp={303:0}, tmp___0=0, tx_activity=0, usb_counter=0] [L11111] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={303:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11111] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L11112] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, skb={303:0}, tmp___7={303:0}, tx_activity=0, usb_counter=0] [L11113] COND FALSE !(! skb) [L11116] CALL ldv_set_add(LDV_SKBS, skb) [L10984] int i ; [L10986] i = 0 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10987] COND TRUE 1 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10988] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10998] COND TRUE last_index < 15 [L10999] set_impl[last_index] = e [L11000] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11116] RET ldv_set_add(LDV_SKBS, skb) [L11117] return (skb); VAL [\old(last_index)=0, \result={303:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, skb={303:0}, tmp___7={303:0}, tx_activity=0, usb_counter=0] [L10936] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=2364, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_skb_alloc()={303:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, length=2364, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10936] tmp = ldv_skb_alloc() [L10937] return (tmp); VAL [\old(last_index)=0, \old(length)=2364, \result={303:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, length=2364, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={303:0}, tx_activity=0, usb_counter=0] [L8901] RET, EXPR ldv_dev_alloc_skb_12(2364U) [L8901] skb = ldv_dev_alloc_skb_12(2364U) [L8902] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) [L8908] priv->rx_skb = skb VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, ref_cnt=0, set_impl={284:0}, skb={303:0}, tx_activity=0, usb_counter=0] [L8914] CALL, EXPR skb_tailroom((struct sk_buff const *)skb) [L7132] bool tmp ; [L7134] CALL, EXPR skb_is_nonlinear(skb) [L7118] EXPR skb->data_len [L7118] return ((unsigned int )skb->data_len != 0U); [L7134] RET, EXPR skb_is_nonlinear(skb) [L7134] tmp = skb_is_nonlinear(skb) [L7135] EXPR (int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail) VAL [(int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail)=0, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, skb={303:0}, skb={303:0}, tmp=1, tx_activity=0, usb_counter=0] [L7135] return ((int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail)); [L8914] RET, EXPR skb_tailroom((struct sk_buff const *)skb) [L8914] size = skb_tailroom((struct sk_buff const *)skb) [L8915] CALL, EXPR skb_put(skb, (unsigned int )size) [L11316] EXPR arg0->data [L11316] EXPR arg0->tail [L11316] unsigned char *ret_val = arg0->data + arg0->tail; [L11317] EXPR arg0->tail [L11317] arg0->tail += arg1 [L11318] return ret_val; VAL [\old(arg1)=0, \old(last_index)=0, \result={4294967306:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={303:0}, arg0={303:0}, arg1=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, ret_val={4294967306:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L8915] RET, EXPR skb_put(skb, (unsigned int )size) [L8915] tmp___0 = skb_put(skb, (unsigned int )size) [L8916] EXPR priv->rx_urb [L8916] EXPR priv->udev [L8916] EXPR priv->rx_pipe VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_pipe=0, priv->rx_urb={0:-66}, priv->udev={4294967308:4294967313}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8916-L8917] CALL usb_fill_bulk_urb(priv->rx_urb, priv->udev, priv->rx_pipe, (void *)tmp___0, size, & at76_rx_callback, (void *)priv) VAL [\old(buffer_length)=0, \old(last_index)=0, \old(pipe)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, complete_fn={-1:1}, context={303:100}, dev={4294967308:4294967313}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, transfer_buffer={4294967306:0}, tx_activity=0, urb={0:-66}, usb_counter=0] [L7351] urb->dev = dev [L7352] urb->pipe = pipe [L7353] urb->transfer_buffer = transfer_buffer [L7354] urb->transfer_buffer_length = (u32 )buffer_length [L7355] urb->complete = complete_fn [L7356] urb->context = context VAL [\old(buffer_length)=0, \old(last_index)=0, \old(pipe)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, buffer_length=0, complete_fn={-1:1}, complete_fn={-1:1}, context={303:100}, context={303:100}, dev={4294967308:4294967313}, dev={4294967308:4294967313}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, pipe=0, preambles={276:0}, ref_cnt=0, set_impl={284:0}, transfer_buffer={4294967306:0}, transfer_buffer={4294967306:0}, tx_activity=0, urb={0:-66}, urb={0:-66}, usb_counter=0] [L8916-L8917] RET usb_fill_bulk_urb(priv->rx_urb, priv->udev, priv->rx_pipe, (void *)tmp___0, size, & at76_rx_callback, (void *)priv) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_pipe=0, priv->rx_urb={0:-66}, priv->udev={4294967308:4294967313}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8918] EXPR priv->rx_urb VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8918] CALL, EXPR usb_submit_urb(priv->rx_urb, 32U) VAL [\old(arg1)=32, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={0:-66}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11361] return __VERIFIER_nondet_int(); [L8918] RET, EXPR usb_submit_urb(priv->rx_urb, 32U) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0, usb_submit_urb(priv->rx_urb, 32U)=-1] [L8918] ret = usb_submit_urb(priv->rx_urb, 32U) [L8919] COND TRUE ret < 0 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8920] COND FALSE !(ret == -19) [L8926] EXPR priv->hw [L8926] (priv->hw)->wiphy [L8932] COND TRUE ret < 0 && ret != -19 [L8933] EXPR priv->hw [L8933] (priv->hw)->wiphy [L8936] return (ret); VAL [\old(last_index)=0, \result=-1, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L9727] RET, EXPR at76_submit_rx_urb(priv) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_submit_rx_urb(priv)=-1, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9727] ret = at76_submit_rx_urb(priv) [L9728] COND TRUE ret < 0 [L9729] EXPR priv->hw [L9729] (priv->hw)->wiphy [L9737] FCALL mutex_unlock(& priv->mtx) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9738] return (0); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10767] RET, EXPR at76_mac80211_start(at76_ops_group0) [L10767] ldv_retval_2 = at76_mac80211_start(at76_ops_group0) [L10768] COND TRUE ldv_retval_2 == 0 [L10769] ldv_state_variable_2 = 2 [L10770] ref_cnt = ref_cnt + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=0, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: [L10743] case 2: [L10761] case 3: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=0, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10762] COND TRUE ldv_state_variable_2 != 0 [L10763] tmp___15 = __VERIFIER_nondet_int() [L10765] case 0: [L10776] case 1: [L10788] case 2: [L10800] case 3: [L10812] case 4: [L10824] case 5: [L10836] case 6: [L10848] case 7: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10849] COND TRUE ldv_state_variable_2 == 2 [L10850] CALL at76_mac80211_stop(at76_ops_group0) [L9743] struct at76_priv *priv ; [L9745] EXPR hw->priv [L9745] priv = (struct at76_priv *)hw->priv [L9746] COND FALSE !((int )at76_debug < 0) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9750] CALL cancel_delayed_work(& priv->dwork_hw_scan) [L11203] return __VERIFIER_nondet_bool(); [L9750] RET cancel_delayed_work(& priv->dwork_hw_scan) [L9751] CALL cancel_work_sync(& priv->work_join_bssid) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={4294967298:683}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11207] return __VERIFIER_nondet_bool(); [L9751] RET cancel_work_sync(& priv->work_join_bssid) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, cancel_work_sync(& priv->work_join_bssid)=4294967309, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9752] CALL cancel_work_sync(& priv->work_set_promisc) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={4294967298:531}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11207] return __VERIFIER_nondet_bool(); [L9752] RET cancel_work_sync(& priv->work_set_promisc) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, cancel_work_sync(& priv->work_set_promisc)=4294967303, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9753] FCALL mutex_lock_nested(& priv->mtx, 0U) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9754] EXPR (unsigned char *)priv + 1032UL VAL [(unsigned char *)priv + 1032UL=4294967297, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9754] COND FALSE !((unsigned int )*((unsigned char *)priv + 1032UL) == 0U) [L9759] FCALL mutex_unlock(& priv->mtx) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10850] RET at76_mac80211_stop(at76_ops_group0) [L10851] ldv_state_variable_2 = 1 [L10852] ref_cnt = ref_cnt - 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10707] COND TRUE ldv_state_variable_0 != 0 [L10708] tmp___13 = __VERIFIER_nondet_int() [L10710] case 0: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=0, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10711] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L10712] CALL at76_mod_exit() [L10563] int i ; [L10566] CALL ldv_usb_deregister_15(& at76_driver) [L10964] FCALL usb_deregister(arg) [L10965] ldv_state_variable_1 = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg={283:0}, arg={283:0}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10566] RET ldv_usb_deregister_15(& at76_driver) [L10567] i = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=5, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=5, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=6, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=6, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=7, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=7, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=8, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=8, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=9, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND FALSE !((unsigned int )i <= 8U) [L10577] EXPR \read(*ledtrig_tx) [L10577] FCALL led_trigger_unregister_simple(ledtrig_tx) [L10712] RET at76_mod_exit() [L10713] ldv_state_variable_0 = 2 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=0, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10893] CALL ldv_check_final_state() [L11175] int tmp___7 ; [L11177] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L11066] return (last_index == 0); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11177] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L11177] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L11178] COND FALSE !(\read(tmp___7)) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp___7=0, tx_activity=0, usb_counter=0] [L11180] CALL ldv_error() VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7206] reach_error() VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 69 procedures, 1324 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 653.9s, OverallIterations: 27, TraceHistogramMax: 13, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.9s, AutomataDifference: 513.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 115 mSolverCounterUnknown, 40503 SdHoareTripleChecker+Valid, 462.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37802 mSDsluCounter, 184769 SdHoareTripleChecker+Invalid, 440.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 141470 mSDsCounter, 21249 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80301 IncrementalHoareTripleChecker+Invalid, 101665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21249 mSolverCounterUnsat, 43299 mSDtfsCounter, 80301 mSolverCounterSat, 1.7s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4921 GetRequests, 4574 SyntacticMatches, 4 SemanticMatches, 343 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 11.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44011occurred in iteration=10, InterpolantAutomatonStates: 278, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 36.8s AutomataMinimizationTime, 26 MinimizatonAttempts, 63539 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.0s SsaConstructionTime, 51.4s SatisfiabilityAnalysisTime, 34.4s InterpolantComputationTime, 7767 NumberOfCodeBlocks, 7550 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 8708 ConstructedInterpolants, 0 QuantifiedInterpolants, 15303 SizeOfPredicates, 25 NumberOfNonLiveVariables, 54919 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 41 InterpolantComputations, 21 PerfectInterpolantSequences, 12641/12913 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 [2022-11-20 11:06:23,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN --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 d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:06:26,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:06:26,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:06:26,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:06:26,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:06:26,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:06:26,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:06:26,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:06:26,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:06:26,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:06:26,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:06:26,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:06:26,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:06:26,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:06:26,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:06:26,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:06:26,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:06:26,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:06:26,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:06:26,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:06:26,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:06:26,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:06:26,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:06:26,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:06:26,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:06:26,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:06:26,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:06:26,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:06:26,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:06:26,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:06:26,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:06:26,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:06:26,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:06:26,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:06:26,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:06:26,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:06:26,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:06:26,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:06:26,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:06:26,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:06:26,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:06:26,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:06:26,255 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:06:26,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:06:26,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:06:26,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:06:26,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:06:26,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:06:26,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:06:26,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:06:26,259 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:06:26,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:06:26,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:06:26,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:06:26,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:06:26,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:06:26,262 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:06:26,262 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:06:26,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:06:26,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:06:26,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:06:26,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:06:26,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:06:26,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:06:26,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:06:26,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:06:26,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:06:26,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:06:26,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:06:26,266 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:06:26,266 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:06:26,267 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:06:26,267 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:06:26,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:06:26,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:06:26,268 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_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d [2022-11-20 11:06:26,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:06:26,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:06:26,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:06:26,675 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:06:26,675 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:06:26,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-11-20 11:06:30,113 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:06:30,932 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:06:30,933 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-11-20 11:06:30,993 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/data/1a84e3ed2/296afad2d0d34be1ae3ae46ad4dba55a/FLAG10f455854 [2022-11-20 11:06:31,021 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/bin/uautomizer-ug76WZFUDN/data/1a84e3ed2/296afad2d0d34be1ae3ae46ad4dba55a [2022-11-20 11:06:31,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:06:31,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:06:31,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:06:31,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:06:31,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:06:31,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:06:31" (1/1) ... [2022-11-20 11:06:31,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b62fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:06:31, skipping insertion in model container [2022-11-20 11:06:31,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:06:31" (1/1) ... [2022-11-20 11:06:31,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:06:31,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:06:32,367 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a582c2-b805-44fb-b4ad-159fb1343105/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-11-20 11:06:33,515 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: snprintf((char *)(& wiphy->fw_version), len, "%d.%d.%d-%d", (int )priv->fw_version.major, (int )priv->fw_version.minor, (int )priv->fw_version.patch, (int )priv->fw_version.build) [10348-10349] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:617) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleSnPrintF(StandardFunctionHandler.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$21(StandardFunctionHandler.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:06:33,524 INFO L158 Benchmark]: Toolchain (without parser) took 2496.46ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 59.3MB in the beginning and 49.7MB in the end (delta: 9.6MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-11-20 11:06:33,527 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:06:33,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2493.71ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 59.0MB in the beginning and 49.7MB in the end (delta: 9.3MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-11-20 11:06:33,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2493.71ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 59.0MB in the beginning and 49.7MB in the end (delta: 9.3MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& wiphy->fw_version), len, "%d.%d.%d-%d", (int )priv->fw_version.major, (int )priv->fw_version.minor, (int )priv->fw_version.patch, (int )priv->fw_version.build) [10348-10349] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: snprintf((char *)(& wiphy->fw_version), len, "%d.%d.%d-%d", (int )priv->fw_version.major, (int )priv->fw_version.minor, (int )priv->fw_version.patch, (int )priv->fw_version.build) [10348-10349]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& wiphy->fw_version), len, "%d.%d.%d-%d", (int )priv->fw_version.major,