./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--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 04:17:41,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 04:17:41,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 04:17:41,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 04:17:41,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 04:17:41,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 04:17:41,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 04:17:41,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 04:17:41,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 04:17:41,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 04:17:41,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 04:17:41,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 04:17:41,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 04:17:41,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 04:17:41,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 04:17:41,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 04:17:41,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 04:17:41,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 04:17:41,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 04:17:41,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 04:17:41,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 04:17:41,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 04:17:41,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 04:17:41,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 04:17:41,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 04:17:41,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 04:17:41,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 04:17:41,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 04:17:41,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 04:17:41,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 04:17:41,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 04:17:41,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 04:17:41,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 04:17:41,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 04:17:41,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 04:17:41,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 04:17:41,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 04:17:41,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 04:17:41,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 04:17:41,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 04:17:41,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 04:17:41,791 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 04:17:41,822 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 04:17:41,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 04:17:41,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 04:17:41,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 04:17:41,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 04:17:41,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 04:17:41,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 04:17:41,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 04:17:41,825 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 04:17:41,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 04:17:41,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 04:17:41,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 04:17:41,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 04:17:41,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 04:17:41,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 04:17:41,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 04:17:41,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 04:17:41,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 04:17:41,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 04:17:41,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 04:17:41,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 04:17:41,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:17:41,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 04:17:41,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 04:17:41,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 04:17:41,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 04:17:41,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 04:17:41,830 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 04:17:41,830 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 04:17:41,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 04:17:41,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 04:17:41,830 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2021-12-18 04:17:42,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 04:17:42,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 04:17:42,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 04:17:42,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 04:17:42,060 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 04:17:42,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2021-12-18 04:17:42,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9030d4c/de74fe5a1db34e2db5d2cd132e0e0ac4/FLAG10c80d8f8 [2021-12-18 04:17:42,698 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 04:17:42,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2021-12-18 04:17:42,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9030d4c/de74fe5a1db34e2db5d2cd132e0e0ac4/FLAG10c80d8f8 [2021-12-18 04:17:42,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9030d4c/de74fe5a1db34e2db5d2cd132e0e0ac4 [2021-12-18 04:17:42,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 04:17:42,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 04:17:42,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 04:17:42,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 04:17:42,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 04:17:42,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:17:42" (1/1) ... [2021-12-18 04:17:42,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c67ab50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:42, skipping insertion in model container [2021-12-18 04:17:42,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:17:42" (1/1) ... [2021-12-18 04:17:42,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 04:17:42,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 04:17:43,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2021-12-18 04:17:44,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:17:44,057 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 04:17:44,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2021-12-18 04:17:44,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:17:44,292 INFO L208 MainTranslator]: Completed translation [2021-12-18 04:17:44,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44 WrapperNode [2021-12-18 04:17:44,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 04:17:44,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 04:17:44,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 04:17:44,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 04:17:44,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44" (1/1) ... [2021-12-18 04:17:44,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44" (1/1) ... [2021-12-18 04:17:44,406 INFO L137 Inliner]: procedures = 175, calls = 709, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1874 [2021-12-18 04:17:44,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 04:17:44,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 04:17:44,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 04:17:44,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 04:17:44,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44" (1/1) ... [2021-12-18 04:17:44,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44" (1/1) ... [2021-12-18 04:17:44,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44" (1/1) ... [2021-12-18 04:17:44,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44" (1/1) ... [2021-12-18 04:17:44,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44" (1/1) ... [2021-12-18 04:17:44,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44" (1/1) ... [2021-12-18 04:17:44,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44" (1/1) ... [2021-12-18 04:17:44,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 04:17:44,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 04:17:44,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 04:17:44,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 04:17:44,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44" (1/1) ... [2021-12-18 04:17:44,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:17:44,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:17:44,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 04:17:44,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 04:17:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2021-12-18 04:17:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2021-12-18 04:17:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 04:17:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 04:17:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2021-12-18 04:17:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2021-12-18 04:17:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 04:17:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-18 04:17:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-18 04:17:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-18 04:17:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-18 04:17:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 04:17:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 04:17:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 04:17:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 04:17:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 04:17:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-12-18 04:17:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-12-18 04:17:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2021-12-18 04:17:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2021-12-18 04:17:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2021-12-18 04:17:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2021-12-18 04:17:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-18 04:17:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-18 04:17:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 04:17:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 04:17:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 04:17:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 04:17:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2021-12-18 04:17:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2021-12-18 04:17:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-18 04:17:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-18 04:17:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 04:17:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 04:17:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2021-12-18 04:17:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2021-12-18 04:17:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 04:17:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2021-12-18 04:17:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2021-12-18 04:17:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-18 04:17:44,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-18 04:17:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 04:17:44,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 04:17:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2021-12-18 04:17:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2021-12-18 04:17:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2021-12-18 04:17:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2021-12-18 04:17:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2021-12-18 04:17:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2021-12-18 04:17:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2021-12-18 04:17:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2021-12-18 04:17:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-18 04:17:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 04:17:44,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 04:17:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 04:17:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 04:17:44,626 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2021-12-18 04:17:44,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2021-12-18 04:17:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 04:17:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2021-12-18 04:17:44,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2021-12-18 04:17:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 04:17:44,628 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 04:17:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2021-12-18 04:17:44,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2021-12-18 04:17:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 04:17:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2021-12-18 04:17:44,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2021-12-18 04:17:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2021-12-18 04:17:44,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2021-12-18 04:17:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 04:17:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 04:17:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 04:17:44,629 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 04:17:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 04:17:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-18 04:17:44,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-18 04:17:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-18 04:17:44,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-18 04:17:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2021-12-18 04:17:44,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2021-12-18 04:17:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-18 04:17:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2021-12-18 04:17:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2021-12-18 04:17:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-18 04:17:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-18 04:17:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 04:17:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 04:17:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-18 04:17:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-18 04:17:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 04:17:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 04:17:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2021-12-18 04:17:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2021-12-18 04:17:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 04:17:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 04:17:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 04:17:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 04:17:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2021-12-18 04:17:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2021-12-18 04:17:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 04:17:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 04:17:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-18 04:17:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-18 04:17:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-18 04:17:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-18 04:17:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 04:17:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2021-12-18 04:17:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2021-12-18 04:17:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-18 04:17:44,635 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-18 04:17:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-18 04:17:44,635 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-18 04:17:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 04:17:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-12-18 04:17:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 04:17:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 04:17:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 04:17:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 04:17:45,100 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 04:17:45,102 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 04:17:45,262 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 04:17:48,333 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 04:17:48,348 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 04:17:48,348 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-18 04:17:48,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:17:48 BoogieIcfgContainer [2021-12-18 04:17:48,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 04:17:48,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 04:17:48,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 04:17:48,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 04:17:48,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:17:42" (1/3) ... [2021-12-18 04:17:48,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36da97dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:17:48, skipping insertion in model container [2021-12-18 04:17:48,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:17:44" (2/3) ... [2021-12-18 04:17:48,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36da97dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:17:48, skipping insertion in model container [2021-12-18 04:17:48,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:17:48" (3/3) ... [2021-12-18 04:17:48,362 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2021-12-18 04:17:48,366 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 04:17:48,366 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 04:17:48,408 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 04:17:48,416 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 04:17:48,417 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 04:17:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 732 states, 523 states have (on average 1.349904397705545) internal successors, (706), 537 states have internal predecessors, (706), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2021-12-18 04:17:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-18 04:17:48,452 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:17:48,452 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 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] [2021-12-18 04:17:48,453 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:17:48,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:17:48,456 INFO L85 PathProgramCache]: Analyzing trace with hash 127676684, now seen corresponding path program 1 times [2021-12-18 04:17:48,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:17:48,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736377955] [2021-12-18 04:17:48,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:17:48,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:17:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:17:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:48,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:17:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:48,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:17:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:48,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:17:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:48,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:17:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:17:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:17:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:49,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:17:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:49,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:17:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:49,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:17:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:49,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:17:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:49,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:17:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:49,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:17:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-12-18 04:17:49,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:17:49,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736377955] [2021-12-18 04:17:49,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736377955] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:17:49,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:17:49,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 04:17:49,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512284265] [2021-12-18 04:17:49,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:17:49,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 04:17:49,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:17:49,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 04:17:49,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 04:17:49,177 INFO L87 Difference]: Start difference. First operand has 732 states, 523 states have (on average 1.349904397705545) internal successors, (706), 537 states have internal predecessors, (706), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-18 04:17:51,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:17:53,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:17:55,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:17:55,646 INFO L93 Difference]: Finished difference Result 2407 states and 3536 transitions. [2021-12-18 04:17:55,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 04:17:55,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 96 [2021-12-18 04:17:55,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:17:55,670 INFO L225 Difference]: With dead ends: 2407 [2021-12-18 04:17:55,670 INFO L226 Difference]: Without dead ends: 1664 [2021-12-18 04:17:55,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:17:55,678 INFO L933 BasicCegarLoop]: 1057 mSDtfsCounter, 1869 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 968 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 2163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 968 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-18 04:17:55,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1964 Valid, 2785 Invalid, 2163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [968 Valid, 1194 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2021-12-18 04:17:55,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2021-12-18 04:17:55,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1392. [2021-12-18 04:17:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 1003 states have (on average 1.3339980059820538) internal successors, (1338), 1019 states have internal predecessors, (1338), 292 states have call successors, (292), 97 states have call predecessors, (292), 96 states have return successors, (291), 291 states have call predecessors, (291), 291 states have call successors, (291) [2021-12-18 04:17:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1921 transitions. [2021-12-18 04:17:55,826 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1921 transitions. Word has length 96 [2021-12-18 04:17:55,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:17:55,828 INFO L470 AbstractCegarLoop]: Abstraction has 1392 states and 1921 transitions. [2021-12-18 04:17:55,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-18 04:17:55,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1921 transitions. [2021-12-18 04:17:55,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-18 04:17:55,838 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:17:55,838 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 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] [2021-12-18 04:17:55,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 04:17:55,838 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:17:55,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:17:55,839 INFO L85 PathProgramCache]: Analyzing trace with hash -600740709, now seen corresponding path program 1 times [2021-12-18 04:17:55,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:17:55,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721355698] [2021-12-18 04:17:55,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:17:55,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:17:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:17:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:17:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:17:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:17:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:17:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:17:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:17:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:17:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:17:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:17:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:17:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:17:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:17:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:17:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:17:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-18 04:17:56,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:17:56,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721355698] [2021-12-18 04:17:56,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721355698] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:17:56,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:17:56,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 04:17:56,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48783483] [2021-12-18 04:17:56,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:17:56,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 04:17:56,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:17:56,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 04:17:56,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:17:56,276 INFO L87 Difference]: Start difference. First operand 1392 states and 1921 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 04:18:00,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:18:00,027 INFO L93 Difference]: Finished difference Result 4647 states and 6600 transitions. [2021-12-18 04:18:00,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:18:00,028 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 107 [2021-12-18 04:18:00,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:18:00,050 INFO L225 Difference]: With dead ends: 4647 [2021-12-18 04:18:00,050 INFO L226 Difference]: Without dead ends: 3279 [2021-12-18 04:18:00,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-12-18 04:18:00,059 INFO L933 BasicCegarLoop]: 1047 mSDtfsCounter, 1905 mSDsluCounter, 3497 mSDsCounter, 0 mSdLazyCounter, 1825 mSolverCounterSat, 950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 4544 SdHoareTripleChecker+Invalid, 2775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 950 IncrementalHoareTripleChecker+Valid, 1825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-18 04:18:00,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2008 Valid, 4544 Invalid, 2775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [950 Valid, 1825 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-18 04:18:00,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2021-12-18 04:18:00,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2781. [2021-12-18 04:18:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 2006 states have (on average 1.335493519441675) internal successors, (2679), 2042 states have internal predecessors, (2679), 574 states have call successors, (574), 193 states have call predecessors, (574), 200 states have return successors, (613), 575 states have call predecessors, (613), 573 states have call successors, (613) [2021-12-18 04:18:00,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3866 transitions. [2021-12-18 04:18:00,234 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3866 transitions. Word has length 107 [2021-12-18 04:18:00,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:18:00,234 INFO L470 AbstractCegarLoop]: Abstraction has 2781 states and 3866 transitions. [2021-12-18 04:18:00,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 04:18:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3866 transitions. [2021-12-18 04:18:00,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-18 04:18:00,252 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:00,253 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 04:18:00,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 04:18:00,253 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:00,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:00,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1193824511, now seen corresponding path program 1 times [2021-12-18 04:18:00,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:00,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622840783] [2021-12-18 04:18:00,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:00,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:18:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:18:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:18:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:18:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:18:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:18:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:18:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:18:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:18:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 04:18:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 04:18:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 04:18:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 04:18:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 04:18:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 04:18:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-12-18 04:18:00,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:00,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622840783] [2021-12-18 04:18:00,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622840783] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:18:00,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:18:00,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 04:18:00,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883160737] [2021-12-18 04:18:00,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:18:00,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 04:18:00,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:00,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 04:18:00,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:18:00,779 INFO L87 Difference]: Start difference. First operand 2781 states and 3866 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 04:18:03,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:18:05,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:18:05,915 INFO L93 Difference]: Finished difference Result 8209 states and 11541 transitions. [2021-12-18 04:18:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:18:05,916 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 239 [2021-12-18 04:18:05,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:18:05,968 INFO L225 Difference]: With dead ends: 8209 [2021-12-18 04:18:05,969 INFO L226 Difference]: Without dead ends: 5458 [2021-12-18 04:18:05,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-12-18 04:18:05,983 INFO L933 BasicCegarLoop]: 1022 mSDtfsCounter, 1936 mSDsluCounter, 1604 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 1171 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 2626 SdHoareTripleChecker+Invalid, 2497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1171 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-18 04:18:05,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2020 Valid, 2626 Invalid, 2497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1171 Valid, 1325 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2021-12-18 04:18:05,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5458 states. [2021-12-18 04:18:06,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5458 to 4591. [2021-12-18 04:18:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4591 states, 3288 states have (on average 1.3333333333333333) internal successors, (4384), 3348 states have internal predecessors, (4384), 930 states have call successors, (930), 349 states have call predecessors, (930), 372 states have return successors, (1005), 937 states have call predecessors, (1005), 929 states have call successors, (1005) [2021-12-18 04:18:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4591 states to 4591 states and 6319 transitions. [2021-12-18 04:18:06,147 INFO L78 Accepts]: Start accepts. Automaton has 4591 states and 6319 transitions. Word has length 239 [2021-12-18 04:18:06,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:18:06,148 INFO L470 AbstractCegarLoop]: Abstraction has 4591 states and 6319 transitions. [2021-12-18 04:18:06,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 04:18:06,148 INFO L276 IsEmpty]: Start isEmpty. Operand 4591 states and 6319 transitions. [2021-12-18 04:18:06,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-18 04:18:06,158 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:06,158 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 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] [2021-12-18 04:18:06,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 04:18:06,159 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:06,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1392742117, now seen corresponding path program 1 times [2021-12-18 04:18:06,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:06,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399669557] [2021-12-18 04:18:06,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:06,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:18:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:18:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:18:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:18:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:18:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:18:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:18:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:18:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:18:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 04:18:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 04:18:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 04:18:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 04:18:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2021-12-18 04:18:06,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:06,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399669557] [2021-12-18 04:18:06,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399669557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:18:06,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:18:06,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 04:18:06,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30976669] [2021-12-18 04:18:06,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:18:06,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 04:18:06,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:06,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 04:18:06,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:18:06,581 INFO L87 Difference]: Start difference. First operand 4591 states and 6319 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 04:18:09,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:18:13,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:18:13,323 INFO L93 Difference]: Finished difference Result 12001 states and 16776 transitions. [2021-12-18 04:18:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 04:18:13,324 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 220 [2021-12-18 04:18:13,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:18:13,360 INFO L225 Difference]: With dead ends: 12001 [2021-12-18 04:18:13,360 INFO L226 Difference]: Without dead ends: 7440 [2021-12-18 04:18:13,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-12-18 04:18:13,376 INFO L933 BasicCegarLoop]: 1173 mSDtfsCounter, 953 mSDsluCounter, 3500 mSDsCounter, 0 mSdLazyCounter, 2658 mSolverCounterSat, 354 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 4673 SdHoareTripleChecker+Invalid, 3013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 354 IncrementalHoareTripleChecker+Valid, 2658 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:18:13,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1047 Valid, 4673 Invalid, 3013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [354 Valid, 2658 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2021-12-18 04:18:13,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7440 states. [2021-12-18 04:18:13,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7440 to 6334. [2021-12-18 04:18:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6334 states, 4581 states have (on average 1.3219820999781706) internal successors, (6056), 4675 states have internal predecessors, (6056), 1233 states have call successors, (1233), 484 states have call predecessors, (1233), 519 states have return successors, (1339), 1244 states have call predecessors, (1339), 1232 states have call successors, (1339) [2021-12-18 04:18:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6334 states to 6334 states and 8628 transitions. [2021-12-18 04:18:13,668 INFO L78 Accepts]: Start accepts. Automaton has 6334 states and 8628 transitions. Word has length 220 [2021-12-18 04:18:13,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:18:13,669 INFO L470 AbstractCegarLoop]: Abstraction has 6334 states and 8628 transitions. [2021-12-18 04:18:13,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 04:18:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 6334 states and 8628 transitions. [2021-12-18 04:18:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-18 04:18:13,685 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:13,685 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 04:18:13,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 04:18:13,686 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:13,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:13,687 INFO L85 PathProgramCache]: Analyzing trace with hash 275000351, now seen corresponding path program 1 times [2021-12-18 04:18:13,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:13,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142090869] [2021-12-18 04:18:13,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:13,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:18:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:18:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:18:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:18:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:18:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:18:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:18:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:18:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:18:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:18:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 04:18:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 04:18:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 04:18:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 04:18:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 04:18:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 04:18:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-12-18 04:18:14,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:14,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142090869] [2021-12-18 04:18:14,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142090869] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:18:14,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:18:14,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 04:18:14,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092582894] [2021-12-18 04:18:14,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:18:14,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 04:18:14,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:14,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 04:18:14,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:18:14,117 INFO L87 Difference]: Start difference. First operand 6334 states and 8628 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:18:16,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:18:19,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:18:19,772 INFO L93 Difference]: Finished difference Result 16777 states and 23178 transitions. [2021-12-18 04:18:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:18:19,772 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 257 [2021-12-18 04:18:19,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:18:19,832 INFO L225 Difference]: With dead ends: 16777 [2021-12-18 04:18:19,832 INFO L226 Difference]: Without dead ends: 10488 [2021-12-18 04:18:19,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-12-18 04:18:19,852 INFO L933 BasicCegarLoop]: 1088 mSDtfsCounter, 2160 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 1190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2263 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 2444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1190 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:18:19,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2263 Valid, 2591 Invalid, 2444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1190 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-18 04:18:19,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10488 states. [2021-12-18 04:18:20,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10488 to 8796. [2021-12-18 04:18:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8796 states, 6363 states have (on average 1.3163602074493164) internal successors, (8376), 6487 states have internal predecessors, (8376), 1675 states have call successors, (1675), 710 states have call predecessors, (1675), 757 states have return successors, (1814), 1690 states have call predecessors, (1814), 1674 states have call successors, (1814) [2021-12-18 04:18:20,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8796 states to 8796 states and 11865 transitions. [2021-12-18 04:18:20,175 INFO L78 Accepts]: Start accepts. Automaton has 8796 states and 11865 transitions. Word has length 257 [2021-12-18 04:18:20,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:18:20,175 INFO L470 AbstractCegarLoop]: Abstraction has 8796 states and 11865 transitions. [2021-12-18 04:18:20,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:18:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 8796 states and 11865 transitions. [2021-12-18 04:18:20,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-18 04:18:20,190 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:20,190 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:18:20,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 04:18:20,191 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:20,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:20,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1149940619, now seen corresponding path program 1 times [2021-12-18 04:18:20,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:20,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201671220] [2021-12-18 04:18:20,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:20,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:18:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:18:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:18:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:18:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:18:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:18:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:18:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:18:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:18:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:18:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 04:18:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 04:18:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 04:18:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 04:18:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-12-18 04:18:20,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:20,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201671220] [2021-12-18 04:18:20,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201671220] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:18:20,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:18:20,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 04:18:20,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666450837] [2021-12-18 04:18:20,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:18:20,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 04:18:20,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:20,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 04:18:20,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:18:20,558 INFO L87 Difference]: Start difference. First operand 8796 states and 11865 transitions. Second operand has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:18:23,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:18:26,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:18:26,654 INFO L93 Difference]: Finished difference Result 26127 states and 35783 transitions. [2021-12-18 04:18:26,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:18:26,655 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 238 [2021-12-18 04:18:26,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:18:26,724 INFO L225 Difference]: With dead ends: 26127 [2021-12-18 04:18:26,725 INFO L226 Difference]: Without dead ends: 17376 [2021-12-18 04:18:26,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-12-18 04:18:26,750 INFO L933 BasicCegarLoop]: 1400 mSDtfsCounter, 1503 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 2229 mSolverCounterSat, 774 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 3841 SdHoareTripleChecker+Invalid, 3003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 774 IncrementalHoareTripleChecker+Valid, 2229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-18 04:18:26,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1599 Valid, 3841 Invalid, 3003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [774 Valid, 2229 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-18 04:18:26,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17376 states. [2021-12-18 04:18:27,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17376 to 14374. [2021-12-18 04:18:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14374 states, 10507 states have (on average 1.2949462263253069) internal successors, (13606), 10717 states have internal predecessors, (13606), 2565 states have call successors, (2565), 1218 states have call predecessors, (2565), 1301 states have return successors, (2795), 2592 states have call predecessors, (2795), 2564 states have call successors, (2795) [2021-12-18 04:18:27,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14374 states to 14374 states and 18966 transitions. [2021-12-18 04:18:27,195 INFO L78 Accepts]: Start accepts. Automaton has 14374 states and 18966 transitions. Word has length 238 [2021-12-18 04:18:27,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:18:27,195 INFO L470 AbstractCegarLoop]: Abstraction has 14374 states and 18966 transitions. [2021-12-18 04:18:27,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:18:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand 14374 states and 18966 transitions. [2021-12-18 04:18:27,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-18 04:18:27,215 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:27,215 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:18:27,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 04:18:27,215 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:27,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:27,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1294557896, now seen corresponding path program 1 times [2021-12-18 04:18:27,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:27,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100300663] [2021-12-18 04:18:27,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:27,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:18:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:18:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:18:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:18:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:18:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:18:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:18:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:18:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:18:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:18:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 04:18:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:18:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:18:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:27,647 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2021-12-18 04:18:27,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:27,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100300663] [2021-12-18 04:18:27,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100300663] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:18:27,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:18:27,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 04:18:27,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847757708] [2021-12-18 04:18:27,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:18:27,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 04:18:27,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:27,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 04:18:27,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-18 04:18:27,649 INFO L87 Difference]: Start difference. First operand 14374 states and 18966 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:18:31,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:18:31,777 INFO L93 Difference]: Finished difference Result 31584 states and 42540 transitions. [2021-12-18 04:18:31,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:18:31,778 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 237 [2021-12-18 04:18:31,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:18:31,824 INFO L225 Difference]: With dead ends: 31584 [2021-12-18 04:18:31,824 INFO L226 Difference]: Without dead ends: 17255 [2021-12-18 04:18:31,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-18 04:18:31,852 INFO L933 BasicCegarLoop]: 951 mSDtfsCounter, 333 mSDsluCounter, 3482 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 4433 SdHoareTripleChecker+Invalid, 2232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-18 04:18:31,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 4433 Invalid, 2232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-18 04:18:31,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17255 states. [2021-12-18 04:18:32,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17255 to 14346. [2021-12-18 04:18:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14346 states, 10465 states have (on average 1.2907787864309603) internal successors, (13508), 10675 states have internal predecessors, (13508), 2565 states have call successors, (2565), 1218 states have call predecessors, (2565), 1315 states have return successors, (2812), 2606 states have call predecessors, (2812), 2564 states have call successors, (2812) [2021-12-18 04:18:32,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14346 states to 14346 states and 18885 transitions. [2021-12-18 04:18:32,318 INFO L78 Accepts]: Start accepts. Automaton has 14346 states and 18885 transitions. Word has length 237 [2021-12-18 04:18:32,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:18:32,319 INFO L470 AbstractCegarLoop]: Abstraction has 14346 states and 18885 transitions. [2021-12-18 04:18:32,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:18:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 14346 states and 18885 transitions. [2021-12-18 04:18:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-18 04:18:32,339 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:32,339 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:18:32,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 04:18:32,340 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:32,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:32,340 INFO L85 PathProgramCache]: Analyzing trace with hash 377576997, now seen corresponding path program 1 times [2021-12-18 04:18:32,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:32,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142130727] [2021-12-18 04:18:32,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:32,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:18:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:18:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:18:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:18:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:18:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:18:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:18:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:18:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:18:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:18:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 04:18:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:18:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:18:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:18:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-12-18 04:18:32,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:32,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142130727] [2021-12-18 04:18:32,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142130727] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:18:32,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:18:32,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 04:18:32,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847160127] [2021-12-18 04:18:32,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:18:32,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 04:18:32,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:32,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 04:18:32,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:18:32,720 INFO L87 Difference]: Start difference. First operand 14346 states and 18885 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2021-12-18 04:18:35,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:18:35,628 INFO L93 Difference]: Finished difference Result 31576 states and 42277 transitions. [2021-12-18 04:18:35,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 04:18:35,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) Word has length 244 [2021-12-18 04:18:35,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:18:35,685 INFO L225 Difference]: With dead ends: 31576 [2021-12-18 04:18:35,686 INFO L226 Difference]: Without dead ends: 17275 [2021-12-18 04:18:35,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:18:35,718 INFO L933 BasicCegarLoop]: 955 mSDtfsCounter, 725 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 2557 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 04:18:35,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [755 Valid, 2557 Invalid, 1617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [616 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 04:18:35,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17275 states. [2021-12-18 04:18:36,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17275 to 14370. [2021-12-18 04:18:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14370 states, 10489 states have (on average 1.2901134521880064) internal successors, (13532), 10699 states have internal predecessors, (13532), 2565 states have call successors, (2565), 1218 states have call predecessors, (2565), 1315 states have return successors, (2812), 2606 states have call predecessors, (2812), 2564 states have call successors, (2812) [2021-12-18 04:18:36,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14370 states to 14370 states and 18909 transitions. [2021-12-18 04:18:36,227 INFO L78 Accepts]: Start accepts. Automaton has 14370 states and 18909 transitions. Word has length 244 [2021-12-18 04:18:36,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:18:36,228 INFO L470 AbstractCegarLoop]: Abstraction has 14370 states and 18909 transitions. [2021-12-18 04:18:36,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2021-12-18 04:18:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 14370 states and 18909 transitions. [2021-12-18 04:18:36,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-18 04:18:36,249 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:36,249 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:18:36,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 04:18:36,250 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:36,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:36,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1630044809, now seen corresponding path program 1 times [2021-12-18 04:18:36,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:36,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929950316] [2021-12-18 04:18:36,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:36,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:18:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:18:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:18:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:18:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:18:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:18:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:18:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:18:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:18:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:18:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 04:18:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:18:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:18:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:18:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-12-18 04:18:36,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:36,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929950316] [2021-12-18 04:18:36,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929950316] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:18:36,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033112464] [2021-12-18 04:18:36,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:36,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:18:36,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:18:36,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:18:36,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 04:18:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:37,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 2129 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-18 04:18:37,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:18:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-18 04:18:37,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:18:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-12-18 04:18:39,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033112464] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-18 04:18:39,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-18 04:18:39,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 9] total 21 [2021-12-18 04:18:39,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338764680] [2021-12-18 04:18:39,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:18:39,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 04:18:39,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:39,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 04:18:39,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-12-18 04:18:39,033 INFO L87 Difference]: Start difference. First operand 14370 states and 18909 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 7 states have call predecessors, (32), 6 states have call successors, (32) [2021-12-18 04:18:40,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:18:44,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:18:44,739 INFO L93 Difference]: Finished difference Result 38386 states and 53055 transitions. [2021-12-18 04:18:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 04:18:44,740 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 7 states have call predecessors, (32), 6 states have call successors, (32) Word has length 246 [2021-12-18 04:18:44,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:18:44,859 INFO L225 Difference]: With dead ends: 38386 [2021-12-18 04:18:44,859 INFO L226 Difference]: Without dead ends: 31079 [2021-12-18 04:18:44,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 539 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=638, Unknown=0, NotChecked=0, Total=812 [2021-12-18 04:18:44,903 INFO L933 BasicCegarLoop]: 1877 mSDtfsCounter, 5018 mSDsluCounter, 3573 mSDsCounter, 0 mSdLazyCounter, 4006 mSolverCounterSat, 2068 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5178 SdHoareTripleChecker+Valid, 5450 SdHoareTripleChecker+Invalid, 6074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2068 IncrementalHoareTripleChecker+Valid, 4006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-18 04:18:44,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5178 Valid, 5450 Invalid, 6074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2068 Valid, 4006 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-18 04:18:44,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31079 states. [2021-12-18 04:18:45,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31079 to 22116. [2021-12-18 04:18:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22116 states, 16107 states have (on average 1.2890047805302043) internal successors, (20762), 16443 states have internal predecessors, (20762), 3966 states have call successors, (3966), 1825 states have call predecessors, (3966), 2042 states have return successors, (4562), 4127 states have call predecessors, (4562), 3965 states have call successors, (4562) [2021-12-18 04:18:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22116 states to 22116 states and 29290 transitions. [2021-12-18 04:18:45,770 INFO L78 Accepts]: Start accepts. Automaton has 22116 states and 29290 transitions. Word has length 246 [2021-12-18 04:18:45,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:18:45,770 INFO L470 AbstractCegarLoop]: Abstraction has 22116 states and 29290 transitions. [2021-12-18 04:18:45,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 7 states have call predecessors, (32), 6 states have call successors, (32) [2021-12-18 04:18:45,771 INFO L276 IsEmpty]: Start isEmpty. Operand 22116 states and 29290 transitions. [2021-12-18 04:18:45,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-18 04:18:45,796 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:45,796 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:18:45,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 04:18:46,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:18:46,003 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:46,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:46,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1800841511, now seen corresponding path program 1 times [2021-12-18 04:18:46,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:46,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110817438] [2021-12-18 04:18:46,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:46,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:18:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:18:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:18:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:18:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:18:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:18:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:18:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:18:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:18:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:18:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 04:18:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:18:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:18:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:18:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 04:18:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:46,496 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-12-18 04:18:46,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:46,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110817438] [2021-12-18 04:18:46,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110817438] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:18:46,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328492953] [2021-12-18 04:18:46,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:46,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:18:46,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:18:46,498 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:18:46,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 04:18:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:47,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 2142 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 04:18:47,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:18:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-12-18 04:18:47,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:18:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-12-18 04:18:47,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328492953] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:18:47,829 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 04:18:47,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2021-12-18 04:18:47,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658841125] [2021-12-18 04:18:47,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 04:18:47,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 04:18:47,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:47,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 04:18:47,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-12-18 04:18:47,831 INFO L87 Difference]: Start difference. First operand 22116 states and 29290 transitions. Second operand has 11 states, 11 states have (on average 13.909090909090908) internal successors, (153), 7 states have internal predecessors, (153), 2 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2021-12-18 04:18:50,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:18:54,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:18:54,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:18:54,970 INFO L93 Difference]: Finished difference Result 49064 states and 66307 transitions. [2021-12-18 04:18:54,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:18:54,971 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.909090909090908) internal successors, (153), 7 states have internal predecessors, (153), 2 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) Word has length 251 [2021-12-18 04:18:54,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:18:55,053 INFO L225 Difference]: With dead ends: 49064 [2021-12-18 04:18:55,053 INFO L226 Difference]: Without dead ends: 26993 [2021-12-18 04:18:55,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-12-18 04:18:55,094 INFO L933 BasicCegarLoop]: 959 mSDtfsCounter, 914 mSDsluCounter, 3131 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 814 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 944 SdHoareTripleChecker+Valid, 4090 SdHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 814 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:18:55,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [944 Valid, 4090 Invalid, 2445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [814 Valid, 1629 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2021-12-18 04:18:55,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26993 states. [2021-12-18 04:18:55,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26993 to 22548. [2021-12-18 04:18:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22548 states, 16539 states have (on average 1.2814559525968923) internal successors, (21194), 16875 states have internal predecessors, (21194), 3966 states have call successors, (3966), 1825 states have call predecessors, (3966), 2042 states have return successors, (4562), 4127 states have call predecessors, (4562), 3965 states have call successors, (4562) [2021-12-18 04:18:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22548 states to 22548 states and 29722 transitions. [2021-12-18 04:18:55,837 INFO L78 Accepts]: Start accepts. Automaton has 22548 states and 29722 transitions. Word has length 251 [2021-12-18 04:18:55,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:18:55,838 INFO L470 AbstractCegarLoop]: Abstraction has 22548 states and 29722 transitions. [2021-12-18 04:18:55,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.909090909090908) internal successors, (153), 7 states have internal predecessors, (153), 2 states have call successors, (57), 6 states have call predecessors, (57), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2021-12-18 04:18:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 22548 states and 29722 transitions. [2021-12-18 04:18:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-18 04:18:55,856 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:18:55,856 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:18:55,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 04:18:56,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-18 04:18:56,069 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:18:56,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:18:56,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2126385669, now seen corresponding path program 2 times [2021-12-18 04:18:56,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:18:56,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056184573] [2021-12-18 04:18:56,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:18:56,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:18:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:18:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:18:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:18:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:18:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:18:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:18:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:18:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:18:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:18:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:18:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:18:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:18:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 04:18:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:18:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:18:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:18:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:18:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:18:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 04:18:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:18:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:18:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:18:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:18:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-12-18 04:18:56,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:18:56,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056184573] [2021-12-18 04:18:56,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056184573] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:18:56,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:18:56,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 04:18:56,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193524455] [2021-12-18 04:18:56,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:18:56,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 04:18:56,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:18:56,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 04:18:56,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-18 04:18:56,614 INFO L87 Difference]: Start difference. First operand 22548 states and 29722 transitions. Second operand has 10 states, 10 states have (on average 13.6) internal successors, (136), 5 states have internal predecessors, (136), 3 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 04:19:01,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:19:01,646 INFO L93 Difference]: Finished difference Result 49594 states and 66879 transitions. [2021-12-18 04:19:01,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 04:19:01,647 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.6) internal successors, (136), 5 states have internal predecessors, (136), 3 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 257 [2021-12-18 04:19:01,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:19:01,730 INFO L225 Difference]: With dead ends: 49594 [2021-12-18 04:19:01,731 INFO L226 Difference]: Without dead ends: 27091 [2021-12-18 04:19:01,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-12-18 04:19:01,779 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 692 mSDsluCounter, 3860 mSDsCounter, 0 mSdLazyCounter, 2007 mSolverCounterSat, 630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 4810 SdHoareTripleChecker+Invalid, 2637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 630 IncrementalHoareTripleChecker+Valid, 2007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-18 04:19:01,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [719 Valid, 4810 Invalid, 2637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [630 Valid, 2007 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-18 04:19:01,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27091 states. [2021-12-18 04:19:02,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27091 to 22870. [2021-12-18 04:19:02,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22870 states, 16777 states have (on average 1.277463193657984) internal successors, (21432), 17099 states have internal predecessors, (21432), 4008 states have call successors, (4008), 1825 states have call predecessors, (4008), 2084 states have return successors, (4726), 4225 states have call predecessors, (4726), 4007 states have call successors, (4726) [2021-12-18 04:19:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22870 states to 22870 states and 30166 transitions. [2021-12-18 04:19:02,676 INFO L78 Accepts]: Start accepts. Automaton has 22870 states and 30166 transitions. Word has length 257 [2021-12-18 04:19:02,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:19:02,677 INFO L470 AbstractCegarLoop]: Abstraction has 22870 states and 30166 transitions. [2021-12-18 04:19:02,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.6) internal successors, (136), 5 states have internal predecessors, (136), 3 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 04:19:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 22870 states and 30166 transitions. [2021-12-18 04:19:02,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-12-18 04:19:02,692 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:19:02,693 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:19:02,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 04:19:02,693 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:19:02,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:19:02,694 INFO L85 PathProgramCache]: Analyzing trace with hash 105739135, now seen corresponding path program 1 times [2021-12-18 04:19:02,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:19:02,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219588468] [2021-12-18 04:19:02,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:02,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:19:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:19:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:19:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:19:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:19:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:19:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:19:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:19:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:19:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:19:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:19:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:19:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:19:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:19:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:19:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 04:19:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:19:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 04:19:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:19:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 04:19:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 04:19:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:19:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-12-18 04:19:03,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:19:03,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219588468] [2021-12-18 04:19:03,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219588468] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:19:03,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:19:03,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-18 04:19:03,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663522890] [2021-12-18 04:19:03,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:19:03,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-18 04:19:03,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:19:03,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-18 04:19:03,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-12-18 04:19:03,230 INFO L87 Difference]: Start difference. First operand 22870 states and 30166 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) [2021-12-18 04:19:05,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:19:12,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:19:12,785 INFO L93 Difference]: Finished difference Result 54370 states and 72585 transitions. [2021-12-18 04:19:12,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 04:19:12,786 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) Word has length 247 [2021-12-18 04:19:12,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:19:12,893 INFO L225 Difference]: With dead ends: 54370 [2021-12-18 04:19:12,893 INFO L226 Difference]: Without dead ends: 31545 [2021-12-18 04:19:12,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 6 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2021-12-18 04:19:12,947 INFO L933 BasicCegarLoop]: 1032 mSDtfsCounter, 1725 mSDsluCounter, 4084 mSDsCounter, 0 mSdLazyCounter, 6000 mSolverCounterSat, 900 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1920 SdHoareTripleChecker+Valid, 5116 SdHoareTripleChecker+Invalid, 6901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 900 IncrementalHoareTripleChecker+Valid, 6000 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-18 04:19:12,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1920 Valid, 5116 Invalid, 6901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [900 Valid, 6000 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2021-12-18 04:19:12,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31545 states. [2021-12-18 04:19:14,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31545 to 26136. [2021-12-18 04:19:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26136 states, 18913 states have (on average 1.2607201395865277) internal successors, (23844), 19389 states have internal predecessors, (23844), 4680 states have call successors, (4680), 2133 states have call predecessors, (4680), 2542 states have return successors, (5860), 4949 states have call predecessors, (5860), 4679 states have call successors, (5860) [2021-12-18 04:19:14,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26136 states to 26136 states and 34384 transitions. [2021-12-18 04:19:14,099 INFO L78 Accepts]: Start accepts. Automaton has 26136 states and 34384 transitions. Word has length 247 [2021-12-18 04:19:14,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:19:14,100 INFO L470 AbstractCegarLoop]: Abstraction has 26136 states and 34384 transitions. [2021-12-18 04:19:14,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) [2021-12-18 04:19:14,100 INFO L276 IsEmpty]: Start isEmpty. Operand 26136 states and 34384 transitions. [2021-12-18 04:19:14,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-18 04:19:14,115 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:19:14,116 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:19:14,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 04:19:14,116 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:19:14,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:19:14,116 INFO L85 PathProgramCache]: Analyzing trace with hash 556704950, now seen corresponding path program 1 times [2021-12-18 04:19:14,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:19:14,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199146329] [2021-12-18 04:19:14,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:14,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:19:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:19:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:19:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:19:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:19:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:19:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:19:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:19:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:19:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:19:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:19:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:19:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:19:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:19:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:19:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 04:19:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:19:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 04:19:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:19:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:19:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 04:19:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 04:19:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:19:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:14,529 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-12-18 04:19:14,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:19:14,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199146329] [2021-12-18 04:19:14,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199146329] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:19:14,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:19:14,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 04:19:14,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154951239] [2021-12-18 04:19:14,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:19:14,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 04:19:14,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:19:14,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 04:19:14,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:19:14,531 INFO L87 Difference]: Start difference. First operand 26136 states and 34384 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 04:19:16,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:19:19,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:19:19,748 INFO L93 Difference]: Finished difference Result 49288 states and 66269 transitions. [2021-12-18 04:19:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:19:19,749 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 255 [2021-12-18 04:19:19,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:19:19,858 INFO L225 Difference]: With dead ends: 49288 [2021-12-18 04:19:19,858 INFO L226 Difference]: Without dead ends: 30343 [2021-12-18 04:19:19,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-12-18 04:19:19,910 INFO L933 BasicCegarLoop]: 954 mSDtfsCounter, 675 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 1556 mSolverCounterSat, 600 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 3704 SdHoareTripleChecker+Invalid, 2156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 600 IncrementalHoareTripleChecker+Valid, 1556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-18 04:19:19,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 3704 Invalid, 2156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [600 Valid, 1556 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-18 04:19:19,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30343 states. [2021-12-18 04:19:20,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30343 to 26122. [2021-12-18 04:19:20,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26122 states, 18899 states have (on average 1.2594317159638075) internal successors, (23802), 19375 states have internal predecessors, (23802), 4680 states have call successors, (4680), 2133 states have call predecessors, (4680), 2542 states have return successors, (5860), 4949 states have call predecessors, (5860), 4679 states have call successors, (5860) [2021-12-18 04:19:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26122 states to 26122 states and 34342 transitions. [2021-12-18 04:19:20,751 INFO L78 Accepts]: Start accepts. Automaton has 26122 states and 34342 transitions. Word has length 255 [2021-12-18 04:19:20,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:19:20,751 INFO L470 AbstractCegarLoop]: Abstraction has 26122 states and 34342 transitions. [2021-12-18 04:19:20,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 04:19:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 26122 states and 34342 transitions. [2021-12-18 04:19:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-18 04:19:20,767 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:19:20,767 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:19:20,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 04:19:20,767 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:19:20,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:19:20,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1152254705, now seen corresponding path program 1 times [2021-12-18 04:19:20,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:19:20,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883706601] [2021-12-18 04:19:20,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:20,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:19:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:19:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:19:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:19:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:19:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:19:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:19:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:19:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:19:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:19:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:19:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:19:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:20,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:19:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:19:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:19:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 04:19:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:19:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 04:19:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:19:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:19:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 04:19:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:19:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:19:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-12-18 04:19:21,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:19:21,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883706601] [2021-12-18 04:19:21,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883706601] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:19:21,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448958130] [2021-12-18 04:19:21,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:21,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:19:21,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:19:21,350 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:19:21,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 04:19:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:21,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-18 04:19:21,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:19:22,252 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2021-12-18 04:19:22,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:19:22,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448958130] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:19:22,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 04:19:22,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2021-12-18 04:19:22,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283201841] [2021-12-18 04:19:22,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:19:22,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 04:19:22,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:19:22,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 04:19:22,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-18 04:19:22,256 INFO L87 Difference]: Start difference. First operand 26122 states and 34342 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 04:19:23,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:19:23,214 INFO L93 Difference]: Finished difference Result 39373 states and 51767 transitions. [2021-12-18 04:19:23,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 04:19:23,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 257 [2021-12-18 04:19:23,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:19:23,254 INFO L225 Difference]: With dead ends: 39373 [2021-12-18 04:19:23,254 INFO L226 Difference]: Without dead ends: 13284 [2021-12-18 04:19:23,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-18 04:19:23,302 INFO L933 BasicCegarLoop]: 997 mSDtfsCounter, 17 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2981 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 04:19:23,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 2981 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 04:19:23,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13284 states. [2021-12-18 04:19:23,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13284 to 13127. [2021-12-18 04:19:23,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13127 states, 9500 states have (on average 1.2618947368421052) internal successors, (11988), 9738 states have internal predecessors, (11988), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1277 states have return successors, (2937), 2483 states have call predecessors, (2937), 2348 states have call successors, (2937) [2021-12-18 04:19:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13127 states to 13127 states and 17274 transitions. [2021-12-18 04:19:23,673 INFO L78 Accepts]: Start accepts. Automaton has 13127 states and 17274 transitions. Word has length 257 [2021-12-18 04:19:23,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:19:23,673 INFO L470 AbstractCegarLoop]: Abstraction has 13127 states and 17274 transitions. [2021-12-18 04:19:23,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 04:19:23,673 INFO L276 IsEmpty]: Start isEmpty. Operand 13127 states and 17274 transitions. [2021-12-18 04:19:23,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-18 04:19:23,681 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:19:23,681 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:19:23,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 04:19:23,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:19:23,882 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:19:23,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:19:23,882 INFO L85 PathProgramCache]: Analyzing trace with hash -484872815, now seen corresponding path program 1 times [2021-12-18 04:19:23,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:19:23,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607762209] [2021-12-18 04:19:23,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:23,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:19:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:23,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:19:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:19:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:19:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:19:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:19:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:19:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:19:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:19:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:19:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:19:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:19:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:19:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:19:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:19:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 04:19:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 04:19:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 04:19:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:19:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:19:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 04:19:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:19:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:19:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-12-18 04:19:24,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:19:24,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607762209] [2021-12-18 04:19:24,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607762209] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:19:24,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952493524] [2021-12-18 04:19:24,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:24,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:19:24,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:19:24,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:19:24,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 04:19:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:25,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 2213 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 04:19:25,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:19:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-12-18 04:19:25,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:19:25,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952493524] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:19:25,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 04:19:25,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2021-12-18 04:19:25,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102320106] [2021-12-18 04:19:25,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:19:25,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 04:19:25,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:19:25,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 04:19:25,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-18 04:19:25,437 INFO L87 Difference]: Start difference. First operand 13127 states and 17274 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 04:19:25,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:19:25,903 INFO L93 Difference]: Finished difference Result 26282 states and 34629 transitions. [2021-12-18 04:19:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 04:19:25,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 257 [2021-12-18 04:19:25,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:19:25,955 INFO L225 Difference]: With dead ends: 26282 [2021-12-18 04:19:25,955 INFO L226 Difference]: Without dead ends: 13149 [2021-12-18 04:19:25,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 315 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-12-18 04:19:25,987 INFO L933 BasicCegarLoop]: 993 mSDtfsCounter, 2 mSDsluCounter, 1980 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2973 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 04:19:25,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 2973 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 04:19:26,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13149 states. [2021-12-18 04:19:26,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13149 to 13149. [2021-12-18 04:19:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13149 states, 9522 states have (on average 1.2612896450325561) internal successors, (12010), 9760 states have internal predecessors, (12010), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1277 states have return successors, (2937), 2483 states have call predecessors, (2937), 2348 states have call successors, (2937) [2021-12-18 04:19:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13149 states to 13149 states and 17296 transitions. [2021-12-18 04:19:26,477 INFO L78 Accepts]: Start accepts. Automaton has 13149 states and 17296 transitions. Word has length 257 [2021-12-18 04:19:26,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:19:26,477 INFO L470 AbstractCegarLoop]: Abstraction has 13149 states and 17296 transitions. [2021-12-18 04:19:26,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 04:19:26,477 INFO L276 IsEmpty]: Start isEmpty. Operand 13149 states and 17296 transitions. [2021-12-18 04:19:26,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-18 04:19:26,485 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:19:26,485 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:19:26,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 04:19:26,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-18 04:19:26,699 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:19:26,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:19:26,700 INFO L85 PathProgramCache]: Analyzing trace with hash 822016599, now seen corresponding path program 1 times [2021-12-18 04:19:26,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:19:26,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845102455] [2021-12-18 04:19:26,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:26,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:19:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:19:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:19:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:19:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:19:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:19:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:19:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:19:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:19:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:19:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:19:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:19:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:19:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 04:19:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 04:19:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 04:19:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 04:19:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 04:19:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:19:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:19:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 04:19:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:19:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:19:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-12-18 04:19:27,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:19:27,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845102455] [2021-12-18 04:19:27,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845102455] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:19:27,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103670807] [2021-12-18 04:19:27,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:27,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:19:27,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:19:27,144 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:19:27,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 04:19:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:27,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 04:19:27,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:19:28,353 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 139 proven. 1 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-12-18 04:19:28,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:19:28,820 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-12-18 04:19:28,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103670807] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:19:28,820 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 04:19:28,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2021-12-18 04:19:28,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140470619] [2021-12-18 04:19:28,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 04:19:28,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-18 04:19:28,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:19:28,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-18 04:19:28,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-12-18 04:19:28,822 INFO L87 Difference]: Start difference. First operand 13149 states and 17296 transitions. Second operand has 14 states, 14 states have (on average 16.357142857142858) internal successors, (229), 10 states have internal predecessors, (229), 2 states have call successors, (77), 6 states have call predecessors, (77), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 04:19:32,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:19:32,876 INFO L93 Difference]: Finished difference Result 28355 states and 37812 transitions. [2021-12-18 04:19:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 04:19:32,877 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 16.357142857142858) internal successors, (229), 10 states have internal predecessors, (229), 2 states have call successors, (77), 6 states have call predecessors, (77), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 259 [2021-12-18 04:19:32,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:19:32,938 INFO L225 Difference]: With dead ends: 28355 [2021-12-18 04:19:32,938 INFO L226 Difference]: Without dead ends: 15198 [2021-12-18 04:19:32,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 572 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2021-12-18 04:19:32,967 INFO L933 BasicCegarLoop]: 959 mSDtfsCounter, 544 mSDsluCounter, 4650 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 5609 SdHoareTripleChecker+Invalid, 2726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:19:32,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [574 Valid, 5609 Invalid, 2726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-18 04:19:32,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15198 states. [2021-12-18 04:19:33,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15198 to 13173. [2021-12-18 04:19:33,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13173 states, 9546 states have (on average 1.2606327257490049) internal successors, (12034), 9784 states have internal predecessors, (12034), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1277 states have return successors, (2937), 2483 states have call predecessors, (2937), 2348 states have call successors, (2937) [2021-12-18 04:19:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13173 states to 13173 states and 17320 transitions. [2021-12-18 04:19:33,496 INFO L78 Accepts]: Start accepts. Automaton has 13173 states and 17320 transitions. Word has length 259 [2021-12-18 04:19:33,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:19:33,497 INFO L470 AbstractCegarLoop]: Abstraction has 13173 states and 17320 transitions. [2021-12-18 04:19:33,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.357142857142858) internal successors, (229), 10 states have internal predecessors, (229), 2 states have call successors, (77), 6 states have call predecessors, (77), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 04:19:33,497 INFO L276 IsEmpty]: Start isEmpty. Operand 13173 states and 17320 transitions. [2021-12-18 04:19:33,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-12-18 04:19:33,505 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:19:33,505 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:19:33,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-18 04:19:33,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-18 04:19:33,706 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:19:33,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:19:33,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1297530769, now seen corresponding path program 2 times [2021-12-18 04:19:33,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:19:33,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281553616] [2021-12-18 04:19:33,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:33,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:19:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:19:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:19:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:19:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:19:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:19:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:19:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:19:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:19:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:19:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:19:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:19:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:19:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:19:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:19:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 04:19:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 04:19:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:34,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:35,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:35,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:35,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 04:19:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:35,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:19:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:35,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:35,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:19:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 04:19:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:35,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:19:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:19:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-12-18 04:19:36,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:19:36,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281553616] [2021-12-18 04:19:36,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281553616] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:19:36,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105672810] [2021-12-18 04:19:36,394 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 04:19:36,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:19:36,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:19:36,395 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:19:36,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-18 04:19:36,976 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 04:19:36,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 04:19:36,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 56 conjunts are in the unsatisfiable core [2021-12-18 04:19:36,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:19:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-12-18 04:19:37,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:19:37,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105672810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:19:37,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 04:19:37,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [30] total 33 [2021-12-18 04:19:37,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678510927] [2021-12-18 04:19:37,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:19:37,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-18 04:19:37,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:19:37,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-18 04:19:37,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-12-18 04:19:37,605 INFO L87 Difference]: Start difference. First operand 13173 states and 17320 transitions. Second operand has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 04:19:38,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:19:38,305 INFO L93 Difference]: Finished difference Result 27459 states and 36977 transitions. [2021-12-18 04:19:38,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 04:19:38,307 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) Word has length 265 [2021-12-18 04:19:38,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:19:38,356 INFO L225 Difference]: With dead ends: 27459 [2021-12-18 04:19:38,356 INFO L226 Difference]: Without dead ends: 14350 [2021-12-18 04:19:38,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 318 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=114, Invalid=1368, Unknown=0, NotChecked=0, Total=1482 [2021-12-18 04:19:38,390 INFO L933 BasicCegarLoop]: 1037 mSDtfsCounter, 25 mSDsluCounter, 12382 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 13419 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 04:19:38,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 13419 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 04:19:38,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14350 states. [2021-12-18 04:19:38,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14350 to 13376. [2021-12-18 04:19:38,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13376 states, 9721 states have (on average 1.2530603847340809) internal successors, (12181), 9938 states have internal predecessors, (12181), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1305 states have return successors, (2986), 2532 states have call predecessors, (2986), 2348 states have call successors, (2986) [2021-12-18 04:19:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13376 states to 13376 states and 17516 transitions. [2021-12-18 04:19:38,890 INFO L78 Accepts]: Start accepts. Automaton has 13376 states and 17516 transitions. Word has length 265 [2021-12-18 04:19:38,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:19:38,890 INFO L470 AbstractCegarLoop]: Abstraction has 13376 states and 17516 transitions. [2021-12-18 04:19:38,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 04:19:38,891 INFO L276 IsEmpty]: Start isEmpty. Operand 13376 states and 17516 transitions. [2021-12-18 04:19:38,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-12-18 04:19:38,899 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:19:38,899 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:19:38,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-18 04:19:39,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-18 04:19:39,100 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:19:39,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:19:39,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1093437602, now seen corresponding path program 1 times [2021-12-18 04:19:39,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:19:39,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428811369] [2021-12-18 04:19:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:39,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:19:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:19:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:19:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:19:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:19:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:19:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:19:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:19:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:19:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:19:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:19:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:19:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:19:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:19:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:19:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 04:19:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 04:19:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:39,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 04:19:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:19:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:19:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 04:19:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 04:19:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:40,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:41,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:19:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:41,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:19:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:41,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:19:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:41,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:19:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 41 proven. 14 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-12-18 04:19:41,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:19:41,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428811369] [2021-12-18 04:19:41,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428811369] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:19:41,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054145016] [2021-12-18 04:19:41,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:19:41,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:19:41,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:19:41,335 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:19:41,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-18 04:19:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:19:46,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 155 conjunts are in the unsatisfiable core [2021-12-18 04:19:46,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:19:47,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-18 04:19:47,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-18 04:19:47,462 INFO L354 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2021-12-18 04:19:47,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2021-12-18 04:19:47,486 INFO L354 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2021-12-18 04:19:47,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 25 [2021-12-18 04:20:00,063 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-12-18 04:20:00,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 3 [2021-12-18 04:20:00,069 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-12-18 04:20:00,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 7 [2021-12-18 04:20:00,684 INFO L354 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2021-12-18 04:20:00,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2021-12-18 04:20:00,788 INFO L354 Elim1Store]: treesize reduction 27, result has 40.0 percent of original size [2021-12-18 04:20:00,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 43 [2021-12-18 04:20:00,798 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-12-18 04:20:00,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 7 [2021-12-18 04:20:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 118 proven. 10 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2021-12-18 04:20:00,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:20:01,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 242 [2021-12-18 04:20:01,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 382 [2021-12-18 04:20:02,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 242 [2021-12-18 04:20:02,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 414 treesize of output 398 [2021-12-18 04:20:06,927 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-18 04:20:06,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 36 [2021-12-18 04:20:16,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 238 [2021-12-18 04:20:16,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 410 treesize of output 394 [2021-12-18 04:20:44,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 538 treesize of output 530 [2021-12-18 04:20:44,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 930 treesize of output 898 [2021-12-18 04:21:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-18 04:21:41,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054145016] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-18 04:21:41,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-18 04:21:41,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [37, 25] total 74 [2021-12-18 04:21:41,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574125788] [2021-12-18 04:21:41,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:21:41,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-18 04:21:41,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:21:41,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-18 04:21:41,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=4999, Unknown=19, NotChecked=0, Total=5402 [2021-12-18 04:21:41,253 INFO L87 Difference]: Start difference. First operand 13376 states and 17516 transitions. Second operand has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2021-12-18 04:22:16,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:22:18,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:22:20,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:22:21,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:22:21,427 INFO L93 Difference]: Finished difference Result 24468 states and 32362 transitions. [2021-12-18 04:22:21,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-18 04:22:21,428 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) Word has length 277 [2021-12-18 04:22:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:22:21,487 INFO L225 Difference]: With dead ends: 24468 [2021-12-18 04:22:21,488 INFO L226 Difference]: Without dead ends: 14785 [2021-12-18 04:22:21,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 582 SyntacticMatches, 6 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2993 ImplicationChecksByTransitivity, 55.1s TimeCoverageRelationStatistics Valid=651, Invalid=8642, Unknown=19, NotChecked=0, Total=9312 [2021-12-18 04:22:21,518 INFO L933 BasicCegarLoop]: 1036 mSDtfsCounter, 2449 mSDsluCounter, 8940 mSDsCounter, 0 mSdLazyCounter, 6816 mSolverCounterSat, 1479 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2550 SdHoareTripleChecker+Valid, 9976 SdHoareTripleChecker+Invalid, 13084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1479 IncrementalHoareTripleChecker+Valid, 6816 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 4786 IncrementalHoareTripleChecker+Unchecked, 34.8s IncrementalHoareTripleChecker+Time [2021-12-18 04:22:21,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2550 Valid, 9976 Invalid, 13084 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1479 Valid, 6816 Invalid, 3 Unknown, 4786 Unchecked, 34.8s Time] [2021-12-18 04:22:21,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14785 states. [2021-12-18 04:22:22,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14785 to 13600. [2021-12-18 04:22:22,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13600 states, 9889 states have (on average 1.2523005359490342) internal successors, (12384), 10113 states have internal predecessors, (12384), 2384 states have call successors, (2384), 1073 states have call predecessors, (2384), 1326 states have return successors, (3133), 2581 states have call predecessors, (3133), 2383 states have call successors, (3133) [2021-12-18 04:22:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13600 states to 13600 states and 17901 transitions. [2021-12-18 04:22:22,107 INFO L78 Accepts]: Start accepts. Automaton has 13600 states and 17901 transitions. Word has length 277 [2021-12-18 04:22:22,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:22:22,108 INFO L470 AbstractCegarLoop]: Abstraction has 13600 states and 17901 transitions. [2021-12-18 04:22:22,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2021-12-18 04:22:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 13600 states and 17901 transitions. [2021-12-18 04:22:22,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-12-18 04:22:22,117 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:22:22,117 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:22:22,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-18 04:22:22,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:22:22,318 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:22:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:22:22,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1202757231, now seen corresponding path program 1 times [2021-12-18 04:22:22,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:22:22,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352146850] [2021-12-18 04:22:22,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:22:22,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:22:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:22:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:22:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:22:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 04:22:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:22:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:22:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 04:22:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 04:22:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 04:22:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:22:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 04:22:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:22:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:22:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:22:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 04:22:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 04:22:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:22:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:22:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:22:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:22:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:22:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 04:22:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:22:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:22:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:22:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 04:22:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:22:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 04:22:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 04:22:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 04:22:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 04:22:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 04:22:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 04:22:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:22:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:22:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:22:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:22:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 04:22:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:22:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:22,891 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2021-12-18 04:22:22,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:22:22,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352146850] [2021-12-18 04:22:22,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352146850] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:22:22,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:22:22,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-18 04:22:22,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636017658] [2021-12-18 04:22:22,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:22:22,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-18 04:22:22,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:22:22,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-18 04:22:22,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-18 04:22:22,894 INFO L87 Difference]: Start difference. First operand 13600 states and 17901 transitions. Second operand has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-18 04:22:32,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:22:32,189 INFO L93 Difference]: Finished difference Result 30848 states and 42032 transitions. [2021-12-18 04:22:32,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 04:22:32,189 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) Word has length 300 [2021-12-18 04:22:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:22:32,254 INFO L225 Difference]: With dead ends: 30848 [2021-12-18 04:22:32,254 INFO L226 Difference]: Without dead ends: 17312 [2021-12-18 04:22:32,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-12-18 04:22:32,290 INFO L933 BasicCegarLoop]: 969 mSDtfsCounter, 355 mSDsluCounter, 5759 mSDsCounter, 0 mSdLazyCounter, 3536 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 6728 SdHoareTripleChecker+Invalid, 3798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 3536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-18 04:22:32,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [400 Valid, 6728 Invalid, 3798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 3536 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2021-12-18 04:22:32,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17312 states. [2021-12-18 04:22:32,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17312 to 13866. [2021-12-18 04:22:32,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13866 states, 10099 states have (on average 1.247054163778592) internal successors, (12594), 10288 states have internal predecessors, (12594), 2384 states have call successors, (2384), 1073 states have call predecessors, (2384), 1382 states have return successors, (3290), 2672 states have call predecessors, (3290), 2383 states have call successors, (3290) [2021-12-18 04:22:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13866 states to 13866 states and 18268 transitions. [2021-12-18 04:22:32,877 INFO L78 Accepts]: Start accepts. Automaton has 13866 states and 18268 transitions. Word has length 300 [2021-12-18 04:22:32,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:22:32,878 INFO L470 AbstractCegarLoop]: Abstraction has 13866 states and 18268 transitions. [2021-12-18 04:22:32,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-18 04:22:32,878 INFO L276 IsEmpty]: Start isEmpty. Operand 13866 states and 18268 transitions. [2021-12-18 04:22:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-18 04:22:32,886 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:22:32,886 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:22:32,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 04:22:32,887 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:22:32,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:22:32,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1682448473, now seen corresponding path program 1 times [2021-12-18 04:22:32,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:22:32,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095769988] [2021-12-18 04:22:32,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:22:32,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:22:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 04:22:33,243 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 04:22:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 04:22:33,987 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-18 04:22:33,988 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 04:22:33,988 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 04:22:33,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 04:22:33,993 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:22:33,996 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 04:22:34,036 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 04:22:34,037 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 04:22:34,050 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:22:34,050 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:22:34,050 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:22:34,050 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:22:34,051 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:22:34,051 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:22:34,051 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:22:34,051 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:22:34,051 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:22:34,052 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:22:34,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 04:22:34 BoogieIcfgContainer [2021-12-18 04:22:34,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 04:22:34,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 04:22:34,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 04:22:34,223 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 04:22:34,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:17:48" (3/4) ... [2021-12-18 04:22:34,226 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 04:22:34,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 04:22:34,226 INFO L158 Benchmark]: Toolchain (without parser) took 291336.16ms. Allocated memory was 107.0MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 69.2MB in the beginning and 1.9GB in the end (delta: -1.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2021-12-18 04:22:34,226 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 04:22:34,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1402.27ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 69.0MB in the beginning and 65.6MB in the end (delta: 3.5MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-12-18 04:22:34,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.95ms. Allocated memory is still 142.6MB. Free memory was 65.6MB in the beginning and 54.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 04:22:34,227 INFO L158 Benchmark]: Boogie Preprocessor took 134.49ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 73.4MB in the end (delta: -19.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-18 04:22:34,227 INFO L158 Benchmark]: RCFGBuilder took 3808.93ms. Allocated memory was 142.6MB in the beginning and 350.2MB in the end (delta: 207.6MB). Free memory was 73.4MB in the beginning and 134.3MB in the end (delta: -60.9MB). Peak memory consumption was 148.7MB. Max. memory is 16.1GB. [2021-12-18 04:22:34,227 INFO L158 Benchmark]: TraceAbstraction took 285870.12ms. Allocated memory was 350.2MB in the beginning and 3.0GB in the end (delta: 2.7GB). Free memory was 134.3MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2021-12-18 04:22:34,228 INFO L158 Benchmark]: Witness Printer took 2.59ms. Allocated memory is still 3.0GB. Free memory is still 1.9GB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 04:22:34,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1402.27ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 69.0MB in the beginning and 65.6MB in the end (delta: 3.5MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.95ms. Allocated memory is still 142.6MB. Free memory was 65.6MB in the beginning and 54.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 134.49ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 73.4MB in the end (delta: -19.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3808.93ms. Allocated memory was 142.6MB in the beginning and 350.2MB in the end (delta: 207.6MB). Free memory was 73.4MB in the beginning and 134.3MB in the end (delta: -60.9MB). Peak memory consumption was 148.7MB. Max. memory is 16.1GB. * TraceAbstraction took 285870.12ms. Allocated memory was 350.2MB in the beginning and 3.0GB in the end (delta: 2.7GB). Free memory was 134.3MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * Witness Printer took 2.59ms. Allocated memory is still 3.0GB. Free memory is still 1.9GB. 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: 6764]: 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 7944. Possible FailurePath: [L6787] int LDV_IN_INTERRUPT = 1; [L6788] int ldv_state_variable_2 ; [L6789] int ref_cnt ; [L6790] int ldv_state_variable_1 ; [L6791] struct ath6kl *ath6kl_usb_ops_group0 ; [L6792] int usb_counter ; [L6793] struct usb_interface *ath6kl_usb_driver_group1 ; [L6794] int ldv_state_variable_0 ; [L7814-L7818] static struct ath6kl_hif_ops const ath6kl_usb_ops = {0, 0, 0, 0, 0, 0, 0, 0, & ath6kl_usb_cleanup_scatter, & ath6kl_usb_suspend, & ath6kl_usb_resume, & ath6kl_usb_diag_read32, & ath6kl_usb_diag_write32, & ath6kl_usb_bmi_read, & ath6kl_usb_bmi_write, & ath6kl_usb_power_on, & ath6kl_usb_power_off, & ath6kl_usb_stop, & ath6kl_usb_send, & ath6kl_usb_get_default_pipe, & ath6kl_usb_map_service_pipe, & ath6kl_usb_get_free_queue_number}; [L7929-L7931] static struct usb_device_id ath6kl_usb_ids[2U] = { {3U, 3315U, 37748U, (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, 0UL}}; [L7932] struct usb_device_id const __mod_usb__ath6kl_usb_ids_device_table ; [L7933-L7939] static struct usb_driver ath6kl_usb_driver = {"ath6kl_usb", & ath6kl_usb_probe, & ath6kl_usb_remove, 0, & ath6kl_usb_pm_suspend, & ath6kl_usb_pm_resume, & ath6kl_usb_pm_reset_resume, 0, 0, (struct usb_device_id const *)(& ath6kl_usb_ids), {{{{{{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, 1U, 1U, (unsigned char)0}; [L7960] int ldv_retval_2 ; [L7961] int ldv_retval_0 ; [L7962] int ldv_retval_5 ; [L7963] int ldv_retval_4 ; [L7964] int ldv_retval_6 ; [L7966] int ldv_retval_1 ; [L7969] int ldv_retval_3 ; [L8488] Element set_impl[15] ; [L8489] int last_index = 0; [L8623] Set LDV_SKBS ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7990] struct usb_device_id *ldvarg1 ; [L7991] void *tmp ; [L7992] pm_message_t ldvarg0 ; [L7993] u32 *ldvarg18 ; [L7994] void *tmp___0 ; [L7995] u8 *ldvarg11 ; [L7996] void *tmp___1 ; [L7997] u8 ldvarg7 ; [L7998] u8 tmp___2 ; [L7999] u32 ldvarg3 ; [L8000] u32 tmp___3 ; [L8001] u8 *ldvarg12 ; [L8002] void *tmp___4 ; [L8003] u8 *ldvarg8 ; [L8004] void *tmp___5 ; [L8005] u32 ldvarg13 ; [L8006] u32 tmp___6 ; [L8007] u16 ldvarg10 ; [L8008] u16 tmp___7 ; [L8009] u8 *ldvarg9 ; [L8010] void *tmp___8 ; [L8011] struct sk_buff *ldvarg5 ; [L8012] void *tmp___9 ; [L8013] u8 ldvarg6 ; [L8014] u8 tmp___10 ; [L8015] struct cfg80211_wowlan *ldvarg15 ; [L8016] void *tmp___11 ; [L8017] u32 ldvarg16 ; [L8018] u32 tmp___12 ; [L8019] struct sk_buff *ldvarg4 ; [L8020] void *tmp___13 ; [L8021] u8 *ldvarg14 ; [L8022] void *tmp___14 ; [L8023] u8 *ldvarg17 ; [L8024] void *tmp___15 ; [L8025] u32 ldvarg19 ; [L8026] u32 tmp___16 ; [L8027] __le32 ldvarg2 ; [L8028] int tmp___17 ; [L8029] int tmp___18 ; [L8030] int tmp___19 ; [L8031] int tmp___20 ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg2={141:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8033] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=32, tmp___0=1, usb_counter=0] [L8033] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={139:0}, ldvarg2={141:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8033] tmp = ldv_zalloc(32UL) [L8034] ldvarg1 = (struct usb_device_id *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg2={141:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8035] CALL, EXPR ldv_zalloc(4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=4, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=4, tmp___0=1, usb_counter=0] [L8035] RET, EXPR ldv_zalloc(4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(4UL)={0:0}, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg2={141:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8035] tmp___0 = ldv_zalloc(4UL) [L8036] ldvarg18 = (u32 *)tmp___0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg18={0:0}, ldvarg2={141:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L8037] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8037] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg18={0:0}, ldvarg2={141:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L8037] tmp___1 = ldv_zalloc(1UL) [L8038] ldvarg11 = (u8 *)tmp___1 [L8039] tmp___2 = __VERIFIER_nondet_u8() [L8040] ldvarg7 = tmp___2 [L8041] tmp___3 = __VERIFIER_nondet_u32() [L8042] ldvarg3 = tmp___3 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg7=15, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=15, tmp___3=24, usb_counter=0] [L8043] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8043] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg7=15, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=15, tmp___3=24, usb_counter=0] [L8043] tmp___4 = ldv_zalloc(1UL) [L8044] ldvarg12 = (u8 *)tmp___4 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg7=15, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=15, tmp___3=24, tmp___4={0:0}, usb_counter=0] [L8045] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8045] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg7=15, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=15, tmp___3=24, tmp___4={0:0}, usb_counter=0] [L8045] tmp___5 = ldv_zalloc(1UL) [L8046] ldvarg8 = (u8 *)tmp___5 [L8047] tmp___6 = __VERIFIER_nondet_u32() [L8048] ldvarg13 = tmp___6 [L8049] tmp___7 = __VERIFIER_nondet_u16() [L8050] ldvarg10 = tmp___7 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg7=15, ldvarg8={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, usb_counter=0] [L8051] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8051] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg7=15, ldvarg8={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, usb_counter=0] [L8051] tmp___8 = ldv_zalloc(1UL) [L8052] ldvarg9 = (u8 *)tmp___8 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, usb_counter=0] [L8053] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=232, tmp___0=1, usb_counter=0] [L8053] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(232UL)={0:0}, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, usb_counter=0] [L8053] tmp___9 = ldv_zalloc(232UL) [L8054] ldvarg5 = (struct sk_buff *)tmp___9 [L8055] tmp___10 = __VERIFIER_nondet_u8() [L8056] ldvarg6 = tmp___10 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8057] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=32, tmp___0=1, usb_counter=0] [L8057] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8057] tmp___11 = ldv_zalloc(32UL) [L8058] ldvarg15 = (struct cfg80211_wowlan *)tmp___11 [L8059] tmp___12 = __VERIFIER_nondet_u32() [L8060] ldvarg16 = tmp___12 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg15={0:0}, ldvarg16=29, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8061] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=232, tmp___0=1, usb_counter=0] [L8061] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(232UL)={0:0}, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg15={0:0}, ldvarg16=29, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8061] tmp___13 = ldv_zalloc(232UL) [L8062] ldvarg4 = (struct sk_buff *)tmp___13 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg15={0:0}, ldvarg16=29, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8063] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8063] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg15={0:0}, ldvarg16=29, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8063] tmp___14 = ldv_zalloc(1UL) [L8064] ldvarg14 = (u8 *)tmp___14 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8065] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8065] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg18={0:0}, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8065] tmp___15 = ldv_zalloc(1UL) [L8066] ldvarg17 = (u8 *)tmp___15 [L8067] tmp___16 = __VERIFIER_nondet_u32() [L8068] ldvarg19 = tmp___16 [L8069] CALL ldv_initialize() [L8642] CALL ldv_set_init(LDV_SKBS) [L8494] set = set_impl [L8495] last_index = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set={58:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8642] RET ldv_set_init(LDV_SKBS) [L8069] RET ldv_initialize() [L8070] FCALL memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={139:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8071] FCALL memset((void *)(& ldvarg2), 0, 4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, memset((void *)(& ldvarg2), 0, 4UL)={141:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8072] ldv_state_variable_1 = 0 [L8073] ref_cnt = 0 [L8074] ldv_state_variable_0 = 1 [L8075] ldv_state_variable_2 = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=1, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8146] COND TRUE ldv_state_variable_0 != 0 [L8147] tmp___19 = __VERIFIER_nondet_int() [L8149] case 0: [L8157] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=1, tmp___19=1, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8158] COND TRUE ldv_state_variable_0 == 1 [L8159] CALL, EXPR ath6kl_usb_init() [L7942] int ret ; [L7944] CALL, EXPR ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L8468] ldv_func_ret_type ldv_func_res ; [L8469] int tmp ; [L8471] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8813] return __VERIFIER_nondet_int(); [L8471] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8471] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8472] ldv_func_res = tmp [L8473] ldv_state_variable_1 = 1 [L8474] usb_counter = 0 [L8475] CALL ldv_usb_driver_1() [L7972] void *tmp ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7974] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1560, tmp___0=1, usb_counter=0] [L7974] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_zalloc(1560UL)={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7974] tmp = ldv_zalloc(1560UL) [L7975] ath6kl_usb_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8475] RET ldv_usb_driver_1() [L8476] return (ldv_func_res); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, ldv_func_arg1={57:0}, ldv_func_arg1={57:0}, ldv_func_arg2={4294967315:4294967328}, ldv_func_arg2={4294967315:4294967328}, ldv_func_arg3={53:0}, ldv_func_arg3={53:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, tmp=0, usb_counter=0] [L7944] RET, EXPR ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L7944] ret = ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L7945] COND FALSE !(ret != 0) [L7950] return (0); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, ret=0, set_impl={58:0}, usb_counter=0] [L8159] RET, EXPR ath6kl_usb_init() [L8159] ldv_retval_4 = ath6kl_usb_init() [L8160] COND TRUE ldv_retval_4 == 0 [L8161] ldv_state_variable_0 = 3 [L8162] ldv_state_variable_2 = 1 [L8163] CALL ldv_initialize_ath6kl_hif_ops_2() [L7981] void *tmp ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7983] CALL, EXPR ldv_zalloc(31704UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=31704, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, size=31704, tmp___0=1, usb_counter=0] [L7983] RET, EXPR ldv_zalloc(31704UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(31704UL)={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7983] tmp = ldv_zalloc(31704UL) [L7984] ath6kl_usb_ops_group0 = (struct ath6kl *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8163] RET ldv_initialize_ath6kl_hif_ops_2() [L8166] COND FALSE !(ldv_retval_4 != 0) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=1, tmp___19=1, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: [L8181] case 2: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=2, tmp___19=1, tmp___2=15, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8182] COND TRUE ldv_state_variable_2 != 0 [L8183] tmp___20 = __VERIFIER_nondet_int() [L8185] case 0: [L8192] case 1: [L8199] case 2: [L8216] case 3: [L8233] case 4: [L8243] case 5: [L8260] case 6: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=2, tmp___19=1, tmp___2=15, tmp___20=6, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8261] COND TRUE ldv_state_variable_2 == 1 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=2, tmp___19=1, tmp___2=15, tmp___20=6, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8262] CALL ath6kl_usb_power_on(ath6kl_usb_ops_group0) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7778] CALL hif_start(ar) [L7450] struct ath6kl_usb *device ; [L7451] struct ath6kl_usb *tmp ; [L7452] int i ; VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7454] CALL, EXPR ath6kl_usb_priv(ar) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6929] EXPR ar->hif_priv [L6929] return ((struct ath6kl_usb *)ar->hif_priv); [L7454] RET, EXPR ath6kl_usb_priv(ar) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, ath6kl_usb_priv(ar)={137:-2186}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7454] tmp = ath6kl_usb_priv(ar) [L7455] device = tmp [L7456] CALL ath6kl_usb_start_recv_pipes(device) [L7229] ar_usb->pipes[5].urb_cnt_thresh = 1U VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar_usb={137:-2186}, ar_usb={137:-2186}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7230-L7231] CALL ath6kl_usb_post_recv_transfers((struct ath6kl_usb_pipe *)(& ar_usb->pipes) + 5UL, 4096) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7162] struct ath6kl_urb_context *urb_context ; [L7163] struct urb *urb ; [L7164] int usb_status ; VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7167] CALL, EXPR ath6kl_usb_alloc_urb_from_pipe(recv_pipe) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6883] struct ath6kl_urb_context *urb_context ; [L6884] unsigned long flags ; [L6885] raw_spinlock_t *tmp ; [L6886] struct list_head const *__mptr ; [L6887] int tmp___0 ; [L6889] urb_context = (struct ath6kl_urb_context *)0 [L6890] EXPR pipe->ar_usb VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={137:-137}, pipe={137:-137}, pipe->ar_usb={4294967319:0}, ref_cnt=0, set_impl={58:0}, urb_context={0:0}, usb_counter=0] [L6890] CALL, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967319:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6599] return (& lock->ldv_6338.rlock); VAL [\old(last_index)=0, \result={4294967319:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967319:0}, lock={4294967319:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6890] RET, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={137:-137}, pipe={137:-137}, pipe->ar_usb={4294967319:0}, ref_cnt=0, set_impl={58:0}, spinlock_check(& (pipe->ar_usb)->cs_lock)={4294967319:0}, urb_context={0:0}, usb_counter=0] [L6890] tmp = spinlock_check(& (pipe->ar_usb)->cs_lock) [L6891] CALL, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, arg0={4294967319:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8720] return __VERIFIER_nondet_ulong(); [L6891] RET, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, _raw_spin_lock_irqsave(tmp)=4294967349, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={137:-137}, pipe={137:-137}, ref_cnt=0, set_impl={58:0}, tmp={4294967319:0}, urb_context={0:0}, usb_counter=0] [L6891] flags = _raw_spin_lock_irqsave(tmp) [L6892] CALL, EXPR list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6586] EXPR head->next [L6586] return ((unsigned long )((struct list_head const *)head->next) == (unsigned long )head); [L6892] RET, EXPR list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6892] tmp___0 = list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6893] COND TRUE tmp___0 == 0 [L6894] EXPR pipe->urb_list_head.next [L6894] __mptr = (struct list_head const *)pipe->urb_list_head.next [L6895] urb_context = (struct ath6kl_urb_context *)__mptr [L6896] FCALL list_del(& urb_context->link) [L6897] EXPR pipe->urb_cnt [L6897] pipe->urb_cnt = pipe->urb_cnt - 1U [L6900] EXPR pipe->ar_usb VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={-39:40}, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=4294967349, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={137:-137}, pipe={137:-137}, pipe->ar_usb={4294967319:0}, ref_cnt=0, set_impl={58:0}, tmp={4294967319:0}, tmp___0=0, urb_context={-39:40}, usb_counter=0] [L6900] CALL spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6605] FCALL _raw_spin_unlock_irqrestore(& lock->ldv_6338.rlock, flags) [L6900] RET spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={-39:40}, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=4294967349, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={137:-137}, pipe={137:-137}, pipe->ar_usb={4294967319:0}, ref_cnt=0, set_impl={58:0}, tmp={4294967319:0}, tmp___0=0, urb_context={-39:40}, usb_counter=0] [L6901] return (urb_context); VAL [\old(last_index)=0, \result={-39:40}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={-39:40}, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=4294967349, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={137:-137}, pipe={137:-137}, ref_cnt=0, set_impl={58:0}, tmp={4294967319:0}, tmp___0=0, urb_context={-39:40}, usb_counter=0] [L7167] RET, EXPR ath6kl_usb_alloc_urb_from_pipe(recv_pipe) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_alloc_urb_from_pipe(recv_pipe)={-39:40}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7167] urb_context = ath6kl_usb_alloc_urb_from_pipe(recv_pipe) [L7168] COND FALSE !((unsigned long )urb_context == (unsigned long )((struct ath6kl_urb_context *)0)) [L7172] CALL, EXPR ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L8451] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=4096, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8453] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8626] void *skb ; [L8627] void *tmp___7 ; VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8629] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND FALSE !(tmp___0 != 0) [L6737] EXPR, FCALL calloc(1UL, size) [L6737] tmp = calloc(1UL, size) [L6738] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={137:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={137:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={137:0}, tmp___0=0, usb_counter=0] [L6739] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6708] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6739] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={137:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={137:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={137:0}, tmp___0=0, usb_counter=0] [L6740] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={137:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={137:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={137:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={137:0}, tmp___0=0, usb_counter=0] [L8629] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={137:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8629] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L8630] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={137:0}, tmp___7={137:0}, usb_counter=0] [L8631] COND FALSE !(! skb) [L8634] CALL ldv_set_add(LDV_SKBS, skb) [L8502] int i ; [L8504] i = 0 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={137:0}, e={137:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8505] COND TRUE 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={137:0}, e={137:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8506] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={137:0}, e={137:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8516] COND TRUE last_index < 15 [L8517] set_impl[last_index] = e [L8518] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={137:0}, e={137:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8634] RET ldv_set_add(LDV_SKBS, skb) [L8635] return (skb); VAL [\old(last_index)=0, \result={137:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={137:0}, tmp___7={137:0}, usb_counter=0] [L8453] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=4096, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_skb_alloc()={137:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8453] tmp = ldv_skb_alloc() [L8454] return (tmp); VAL [\old(last_index)=0, \old(length)=4096, \result={137:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={58:0}, tmp={137:0}, usb_counter=0] [L7172] RET, EXPR ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L7172] urb_context->skb = ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L7173] EXPR urb_context->skb VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, ref_cnt=0, set_impl={58:0}, urb_context={-39:40}, urb_context->skb={137:0}, usb_counter=0] [L7173] COND FALSE !((unsigned long )urb_context->skb == (unsigned long )((struct sk_buff *)0)) [L7177] CALL, EXPR usb_alloc_urb(0, 32U) VAL [\old(arg0)=0, \old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8787] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6712] void *p ; [L6713] void *tmp ; [L6714] int tmp___0 ; [L6716] tmp___0 = __VERIFIER_nondet_int() [L6717] COND FALSE !(tmp___0 != 0) [L6720] tmp = malloc(size) [L6721] p = tmp VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-39:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={-39:0}, tmp___0=0, usb_counter=0] [L6722] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6708] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, cond=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6722] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-39:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={-39:0}, tmp___0=0, usb_counter=0] [L6723] return (p); VAL [\old(last_index)=0, \old(size)=184, \result={-39:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-39:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={-39:0}, tmp___0=0, usb_counter=0] [L8787] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=0, \old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, arg0=0, arg1=32, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={-39:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8787] return ldv_malloc(sizeof(struct urb)); [L7177] RET, EXPR usb_alloc_urb(0, 32U) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, ref_cnt=0, set_impl={58:0}, urb_context={-39:40}, usb_alloc_urb(0, 32U)={-39:0}, usb_counter=0] [L7177] urb = usb_alloc_urb(0, 32U) [L7178] COND FALSE !((unsigned long )urb == (unsigned long )((struct urb *)0)) [L7182] EXPR recv_pipe->ar_usb [L7182] EXPR (recv_pipe->ar_usb)->udev [L7182] EXPR recv_pipe->usb_pipe_handle [L7182] EXPR urb_context->skb [L7182] EXPR (urb_context->skb)->data VAL [(recv_pipe->ar_usb)->udev={137:-138}, (urb_context->skb)->data={4294967329:0}, \old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, recv_pipe->ar_usb={4294967319:0}, recv_pipe->usb_pipe_handle=0, ref_cnt=0, set_impl={58:0}, urb={-39:0}, urb_context={-39:40}, urb_context->skb={137:0}, usb_counter=0] [L7182-L7183] CALL usb_fill_bulk_urb(urb, (recv_pipe->ar_usb)->udev, recv_pipe->usb_pipe_handle, (void *)(urb_context->skb)->data, buffer_length, & ath6kl_usb_recv_complete, (void *)urb_context) VAL [\old(buffer_length)=4096, \old(last_index)=0, \old(pipe)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, complete_fn={-1:0}, context={-39:40}, dev={137:-138}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, transfer_buffer={4294967329:0}, urb={-39:0}, usb_counter=0] [L6847] urb->dev = dev [L6848] urb->pipe = pipe [L6849] urb->transfer_buffer = transfer_buffer [L6850] urb->transfer_buffer_length = (u32 )buffer_length [L6851] urb->complete = complete_fn [L6852] urb->context = context VAL [\old(buffer_length)=4096, \old(last_index)=0, \old(pipe)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, complete_fn={-1:0}, complete_fn={-1:0}, context={-39:40}, context={-39:40}, dev={137:-138}, dev={137:-138}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe=0, ref_cnt=0, set_impl={58:0}, transfer_buffer={4294967329:0}, transfer_buffer={4294967329:0}, urb={-39:0}, urb={-39:0}, usb_counter=0] [L7182-L7183] RET usb_fill_bulk_urb(urb, (recv_pipe->ar_usb)->udev, recv_pipe->usb_pipe_handle, (void *)(urb_context->skb)->data, buffer_length, & ath6kl_usb_recv_complete, (void *)urb_context) VAL [(recv_pipe->ar_usb)->udev={137:-138}, (urb_context->skb)->data={4294967329:0}, \old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, recv_pipe->ar_usb={4294967319:0}, recv_pipe->usb_pipe_handle=0, ref_cnt=0, set_impl={58:0}, urb={-39:0}, urb_context={-39:40}, urb_context->skb={137:0}, usb_counter=0] [L7185] recv_pipe->logical_pipe_num [L7185] recv_pipe->usb_pipe_handle [L7185] recv_pipe->ep_address [L7186] urb_context->skb [L7187] FCALL usb_anchor_urb(urb, & recv_pipe->urb_submitted) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, ref_cnt=0, set_impl={58:0}, urb={-39:0}, urb_context={-39:40}, usb_counter=0] [L7188] CALL, EXPR usb_submit_urb(urb, 32U) VAL [\old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, arg0={-39:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8817] return __VERIFIER_nondet_int(); [L7188] RET, EXPR usb_submit_urb(urb, 32U) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, ref_cnt=0, set_impl={58:0}, urb={-39:0}, urb_context={-39:40}, usb_counter=0, usb_submit_urb(urb, 32U)=1] [L7188] usb_status = usb_submit_urb(urb, 32U) [L7189] COND TRUE usb_status != 0 VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, ref_cnt=0, set_impl={58:0}, urb={-39:0}, urb_context={-39:40}, usb_counter=0, usb_status=1] [L7191] FCALL usb_unanchor_urb(urb) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, ref_cnt=0, set_impl={58:0}, urb={-39:0}, urb_context={-39:40}, usb_counter=0, usb_status=1] [L7192] FCALL usb_free_urb(urb) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, ref_cnt=0, set_impl={58:0}, urb={-39:0}, urb_context={-39:40}, usb_counter=0, usb_status=1] [L7201] CALL ath6kl_usb_cleanup_recv_urb(urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={-39:40}, usb_counter=0] [L6920] EXPR urb_context->skb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={-39:40}, urb_context={-39:40}, urb_context->skb={137:-138}, usb_counter=0] [L6920] CALL ldv_skb_free(urb_context->skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={137:-138}, usb_counter=0] [L8649] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={137:-138}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set_impl={58:0}, usb_counter=0] [L8527] int i ; [L8528] int deleted_index ; [L8530] deleted_index = -1 [L8531] i = 0 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={137:-138}, e={137:-138}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8532] COND TRUE 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={137:-138}, e={137:-138}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8533] COND TRUE i < last_index VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={137:-138}, e={137:-138}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8537] EXPR set_impl[i] VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={137:-138}, e={137:-138}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, set_impl[i]={137:0}, usb_counter=0] [L8537] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L8542] i = i + 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={137:-138}, e={137:-138}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8532] COND TRUE 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={137:-138}, e={137:-138}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8533] COND FALSE !(i < last_index) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={137:-138}, e={137:-138}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8544] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={137:-138}, e={137:-138}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8649] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={137:-138}, skb={137:-138}, usb_counter=0] [L6920] RET ldv_skb_free(urb_context->skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={-39:40}, urb_context={-39:40}, urb_context->skb={137:-138}, usb_counter=0] [L6921] urb_context->skb = (struct sk_buff *)0 [L6922] EXPR urb_context->pipe VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={-39:40}, urb_context={-39:40}, urb_context->pipe={4294967323:56}, usb_counter=0] [L6922] CALL ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={4294967323:56}, ref_cnt=0, set_impl={58:0}, urb_context={-39:40}, usb_counter=0] [L6906] unsigned long flags ; [L6907] raw_spinlock_t *tmp ; [L6909] EXPR pipe->ar_usb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={4294967323:56}, pipe={4294967323:56}, pipe->ar_usb={4294967345:0}, ref_cnt=0, set_impl={58:0}, urb_context={-39:40}, urb_context={-39:40}, usb_counter=0] [L6909] CALL, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967345:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6599] return (& lock->ldv_6338.rlock); VAL [\old(last_index)=1, \result={4294967345:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={4294967345:0}, lock={4294967345:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6909] RET, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={4294967323:56}, pipe={4294967323:56}, pipe->ar_usb={4294967345:0}, ref_cnt=0, set_impl={58:0}, spinlock_check(& (pipe->ar_usb)->cs_lock)={4294967345:0}, urb_context={-39:40}, urb_context={-39:40}, usb_counter=0] [L6909] tmp = spinlock_check(& (pipe->ar_usb)->cs_lock) [L6910] CALL, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, arg0={4294967345:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8720] return __VERIFIER_nondet_ulong(); [L6910] RET, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, _raw_spin_lock_irqsave(tmp)=4294967326, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={4294967323:56}, pipe={4294967323:56}, ref_cnt=0, set_impl={58:0}, tmp={4294967345:0}, urb_context={-39:40}, urb_context={-39:40}, usb_counter=0] [L6910] flags = _raw_spin_lock_irqsave(tmp) [L6911] EXPR pipe->urb_cnt [L6911] pipe->urb_cnt = pipe->urb_cnt + 1U [L6912] CALL list_add(& urb_context->link, & pipe->urb_list_head) [L6578] EXPR head->next [L6578] FCALL __list_add(new, head, head->next) [L6912] RET list_add(& urb_context->link, & pipe->urb_list_head) [L6913] EXPR pipe->ar_usb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=4294967326, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={4294967323:56}, pipe={4294967323:56}, pipe->ar_usb={4294967345:0}, ref_cnt=0, set_impl={58:0}, tmp={4294967345:0}, urb_context={-39:40}, urb_context={-39:40}, usb_counter=0] [L6913] CALL spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6605] FCALL _raw_spin_unlock_irqrestore(& lock->ldv_6338.rlock, flags) [L6913] RET spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=4294967326, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={4294967323:56}, pipe={4294967323:56}, pipe->ar_usb={4294967345:0}, ref_cnt=0, set_impl={58:0}, tmp={4294967345:0}, urb_context={-39:40}, urb_context={-39:40}, usb_counter=0] [L6922] RET ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={-39:40}, urb_context={-39:40}, urb_context->pipe={4294967323:56}, usb_counter=0] [L7201] RET ath6kl_usb_cleanup_recv_urb(urb_context) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={137:-137}, recv_pipe={137:-137}, ref_cnt=0, set_impl={58:0}, urb={-39:0}, urb_context={-39:40}, usb_counter=0, usb_status=1] [L7230-L7231] RET ath6kl_usb_post_recv_transfers((struct ath6kl_usb_pipe *)(& ar_usb->pipes) + 5UL, 4096) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar_usb={137:-2186}, ar_usb={137:-2186}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7456] RET ath6kl_usb_start_recv_pipes(device) [L7457] i = 0 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={137:-2186}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={137:-2186}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={137:-2186}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={137:-2186}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={137:-2186}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={137:-2186}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={137:-2186}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={137:-2186}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={137:-2186}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={137:-2186}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={137:-2186}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={137:-2186}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={137:-2186}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={137:-2186}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={137:-2186}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={137:-2186}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={137:-2186}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={137:-2186}, usb_counter=0] [L7463] COND FALSE !(i <= 3) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={137:-2186}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={137:-2186}, usb_counter=0] [L7778] RET hif_start(ar) [L7779] return (0); VAL [\old(last_index)=0, \result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8262] RET ath6kl_usb_power_on(ath6kl_usb_ops_group0) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, ath6kl_usb_power_on(ath6kl_usb_ops_group0)=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=2, tmp___19=1, tmp___2=15, tmp___20=6, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8263] ldv_state_variable_2 = 1 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=2, tmp___19=1, tmp___2=15, tmp___20=6, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8266] COND FALSE !(ldv_state_variable_2 == 3) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=2, tmp___19=1, tmp___2=15, tmp___20=6, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8271] COND FALSE !(ldv_state_variable_2 == 2) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=2, tmp___19=1, tmp___2=15, tmp___20=6, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=1, tmp___19=1, tmp___2=15, tmp___20=6, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8146] COND TRUE ldv_state_variable_0 != 0 [L8147] tmp___19 = __VERIFIER_nondet_int() [L8149] case 0: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=1, tmp___19=0, tmp___2=15, tmp___20=6, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8150] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L8151] CALL ath6kl_usb_exit() [L7956] CALL ldv_usb_deregister_15(& ath6kl_usb_driver) [L8482] FCALL usb_deregister(arg) [L8483] ldv_state_variable_1 = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, arg={57:0}, arg={57:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7956] RET ldv_usb_deregister_15(& ath6kl_usb_driver) [L8151] RET ath6kl_usb_exit() [L8152] ldv_state_variable_0 = 2 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0={139:0}, ldvarg1={0:0}, ldvarg10=14, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=11, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=29, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=2, ldvarg2={141:0}, ldvarg3=24, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=20, ldvarg7=15, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=20, tmp___11={0:0}, tmp___12=29, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=2, tmp___17=1, tmp___19=0, tmp___2=15, tmp___20=6, tmp___3=24, tmp___4={0:0}, tmp___5={0:0}, tmp___6=11, tmp___7=14, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8410] CALL ldv_check_final_state() [L8693] int tmp___7 ; [L8695] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L8584] return (last_index == 0); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8695] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L8695] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L8696] COND FALSE !(\read(tmp___7)) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp___7=0, usb_counter=0] [L8698] CALL ldv_error() VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6764] reach_error() VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967315:4294967328}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 733 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 285.6s, OverallIterations: 20, TraceHistogramMax: 14, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 131.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 25062 SdHoareTripleChecker+Valid, 113.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23800 mSDsluCounter, 92906 SdHoareTripleChecker+Invalid, 102.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4786 IncrementalHoareTripleChecker+Unchecked, 72450 mSDsCounter, 13470 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41482 IncrementalHoareTripleChecker+Invalid, 59747 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13470 mSolverCounterUnsat, 20456 mSDtfsCounter, 41482 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4277 GetRequests, 3918 SyntacticMatches, 22 SemanticMatches, 337 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3765 ImplicationChecksByTransitivity, 58.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26136occurred in iteration=12, InterpolantAutomatonStates: 217, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 48297 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 8.1s SatisfiabilityAnalysisTime, 130.3s InterpolantComputationTime, 6627 NumberOfCodeBlocks, 6450 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 7324 ConstructedInterpolants, 14 QuantifiedInterpolants, 21677 SizeOfPredicates, 74 NumberOfNonLiveVariables, 14554 ConjunctsInSsa, 260 ConjunctsInUnsatCore, 30 InterpolantComputations, 17 PerfectInterpolantSequences, 11845/11904 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-18 04:22:34,451 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-18 04:22:34,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 04:22:35,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 04:22:35,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 04:22:36,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 04:22:36,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 04:22:36,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 04:22:36,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 04:22:36,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 04:22:36,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 04:22:36,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 04:22:36,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 04:22:36,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 04:22:36,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 04:22:36,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 04:22:36,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 04:22:36,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 04:22:36,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 04:22:36,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 04:22:36,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 04:22:36,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 04:22:36,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 04:22:36,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 04:22:36,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 04:22:36,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 04:22:36,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 04:22:36,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 04:22:36,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 04:22:36,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 04:22:36,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 04:22:36,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 04:22:36,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 04:22:36,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 04:22:36,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 04:22:36,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 04:22:36,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 04:22:36,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 04:22:36,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 04:22:36,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 04:22:36,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 04:22:36,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 04:22:36,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 04:22:36,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-18 04:22:36,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 04:22:36,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 04:22:36,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 04:22:36,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 04:22:36,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 04:22:36,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 04:22:36,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 04:22:36,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 04:22:36,111 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 04:22:36,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 04:22:36,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 04:22:36,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 04:22:36,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 04:22:36,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 04:22:36,112 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 04:22:36,112 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 04:22:36,112 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 04:22:36,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 04:22:36,113 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 04:22:36,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 04:22:36,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 04:22:36,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 04:22:36,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 04:22:36,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:22:36,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 04:22:36,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 04:22:36,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 04:22:36,114 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 04:22:36,114 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 04:22:36,114 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 04:22:36,115 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 04:22:36,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 04:22:36,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 04:22:36,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 04:22:36,115 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2021-12-18 04:22:36,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 04:22:36,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 04:22:36,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 04:22:36,388 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 04:22:36,389 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 04:22:36,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2021-12-18 04:22:36,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d219674/756ae651e90141b49f9832eb1bcdb775/FLAG4c8780d64 [2021-12-18 04:22:37,001 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 04:22:37,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2021-12-18 04:22:37,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d219674/756ae651e90141b49f9832eb1bcdb775/FLAG4c8780d64 [2021-12-18 04:22:37,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d219674/756ae651e90141b49f9832eb1bcdb775 [2021-12-18 04:22:37,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 04:22:37,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 04:22:37,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 04:22:37,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 04:22:37,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 04:22:37,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:22:37" (1/1) ... [2021-12-18 04:22:37,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a908887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:37, skipping insertion in model container [2021-12-18 04:22:37,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:22:37" (1/1) ... [2021-12-18 04:22:37,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 04:22:37,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 04:22:38,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2021-12-18 04:22:38,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:22:38,616 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 04:22:38,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 04:22:38,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2021-12-18 04:22:38,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:22:38,865 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 04:22:38,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2021-12-18 04:22:39,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:22:39,166 INFO L208 MainTranslator]: Completed translation [2021-12-18 04:22:39,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39 WrapperNode [2021-12-18 04:22:39,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 04:22:39,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 04:22:39,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 04:22:39,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 04:22:39,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39" (1/1) ... [2021-12-18 04:22:39,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39" (1/1) ... [2021-12-18 04:22:39,305 INFO L137 Inliner]: procedures = 189, calls = 709, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1826 [2021-12-18 04:22:39,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 04:22:39,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 04:22:39,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 04:22:39,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 04:22:39,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39" (1/1) ... [2021-12-18 04:22:39,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39" (1/1) ... [2021-12-18 04:22:39,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39" (1/1) ... [2021-12-18 04:22:39,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39" (1/1) ... [2021-12-18 04:22:39,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39" (1/1) ... [2021-12-18 04:22:39,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39" (1/1) ... [2021-12-18 04:22:39,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39" (1/1) ... [2021-12-18 04:22:39,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 04:22:39,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 04:22:39,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 04:22:39,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 04:22:39,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39" (1/1) ... [2021-12-18 04:22:39,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:22:39,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:22:39,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 04:22:39,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 04:22:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2021-12-18 04:22:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2021-12-18 04:22:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 04:22:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 04:22:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-18 04:22:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2021-12-18 04:22:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2021-12-18 04:22:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-18 04:22:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-18 04:22:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-18 04:22:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-18 04:22:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-18 04:22:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-18 04:22:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 04:22:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-18 04:22:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 04:22:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 04:22:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 04:22:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-12-18 04:22:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-12-18 04:22:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2021-12-18 04:22:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2021-12-18 04:22:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2021-12-18 04:22:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2021-12-18 04:22:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-18 04:22:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-18 04:22:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 04:22:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 04:22:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 04:22:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 04:22:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2021-12-18 04:22:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2021-12-18 04:22:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-18 04:22:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-18 04:22:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 04:22:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 04:22:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2021-12-18 04:22:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2021-12-18 04:22:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2021-12-18 04:22:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2021-12-18 04:22:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-18 04:22:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-18 04:22:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 04:22:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 04:22:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2021-12-18 04:22:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2021-12-18 04:22:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2021-12-18 04:22:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2021-12-18 04:22:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2021-12-18 04:22:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2021-12-18 04:22:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-18 04:22:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-18 04:22:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-18 04:22:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2021-12-18 04:22:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2021-12-18 04:22:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-18 04:22:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-18 04:22:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 04:22:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 04:22:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 04:22:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 04:22:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2021-12-18 04:22:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2021-12-18 04:22:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 04:22:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2021-12-18 04:22:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2021-12-18 04:22:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 04:22:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 04:22:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2021-12-18 04:22:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2021-12-18 04:22:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 04:22:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2021-12-18 04:22:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2021-12-18 04:22:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2021-12-18 04:22:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2021-12-18 04:22:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 04:22:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 04:22:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 04:22:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 04:22:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-18 04:22:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-18 04:22:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-18 04:22:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 04:22:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-18 04:22:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-18 04:22:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-18 04:22:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-18 04:22:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2021-12-18 04:22:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2021-12-18 04:22:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-18 04:22:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2021-12-18 04:22:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2021-12-18 04:22:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-18 04:22:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-18 04:22:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 04:22:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 04:22:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-18 04:22:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-18 04:22:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-18 04:22:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-18 04:22:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-18 04:22:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 04:22:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-18 04:22:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 04:22:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-18 04:22:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-18 04:22:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2021-12-18 04:22:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2021-12-18 04:22:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-18 04:22:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 04:22:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 04:22:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 04:22:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 04:22:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2021-12-18 04:22:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2021-12-18 04:22:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 04:22:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 04:22:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-18 04:22:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-18 04:22:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-18 04:22:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-18 04:22:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-18 04:22:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2021-12-18 04:22:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2021-12-18 04:22:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-18 04:22:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-18 04:22:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-18 04:22:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-18 04:22:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-12-18 04:22:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 04:22:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 04:22:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 04:22:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 04:22:39,955 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 04:22:39,969 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 04:22:40,196 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 04:22:52,942 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 04:22:52,959 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 04:22:52,959 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-18 04:22:52,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:22:52 BoogieIcfgContainer [2021-12-18 04:22:52,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 04:22:52,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 04:22:52,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 04:22:52,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 04:22:52,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:22:37" (1/3) ... [2021-12-18 04:22:52,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ab8eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:22:52, skipping insertion in model container [2021-12-18 04:22:52,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:22:39" (2/3) ... [2021-12-18 04:22:52,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ab8eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:22:52, skipping insertion in model container [2021-12-18 04:22:52,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:22:52" (3/3) ... [2021-12-18 04:22:52,966 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2021-12-18 04:22:52,969 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 04:22:52,970 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 04:22:53,022 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 04:22:53,027 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 04:22:53,028 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 04:22:53,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 732 states, 523 states have (on average 1.349904397705545) internal successors, (706), 537 states have internal predecessors, (706), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2021-12-18 04:22:53,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-18 04:22:53,066 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:22:53,067 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 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] [2021-12-18 04:22:53,068 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:22:53,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:22:53,071 INFO L85 PathProgramCache]: Analyzing trace with hash 127676684, now seen corresponding path program 1 times [2021-12-18 04:22:53,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:22:53,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744201680] [2021-12-18 04:22:53,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:22:53,082 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:22:53,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:22:53,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:22:53,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 04:22:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:53,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 04:22:53,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:22:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-12-18 04:22:53,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:22:53,992 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:22:53,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744201680] [2021-12-18 04:22:53,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [744201680] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:22:53,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:22:53,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 04:22:53,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961118309] [2021-12-18 04:22:53,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:22:53,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 04:22:53,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:22:54,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 04:22:54,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 04:22:54,027 INFO L87 Difference]: Start difference. First operand has 732 states, 523 states have (on average 1.349904397705545) internal successors, (706), 537 states have internal predecessors, (706), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 04:22:54,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:22:54,256 INFO L93 Difference]: Finished difference Result 1462 states and 2093 transitions. [2021-12-18 04:22:54,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 04:22:54,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 96 [2021-12-18 04:22:54,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:22:54,272 INFO L225 Difference]: With dead ends: 1462 [2021-12-18 04:22:54,273 INFO L226 Difference]: Without dead ends: 722 [2021-12-18 04:22:54,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 04:22:54,287 INFO L933 BasicCegarLoop]: 1006 mSDtfsCounter, 2 mSDsluCounter, 2006 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3012 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 04:22:54,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 3012 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 04:22:54,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2021-12-18 04:22:54,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2021-12-18 04:22:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 519 states have (on average 1.3275529865125242) internal successors, (689), 527 states have internal predecessors, (689), 154 states have call successors, (154), 49 states have call predecessors, (154), 48 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2021-12-18 04:22:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 996 transitions. [2021-12-18 04:22:54,380 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 996 transitions. Word has length 96 [2021-12-18 04:22:54,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:22:54,382 INFO L470 AbstractCegarLoop]: Abstraction has 722 states and 996 transitions. [2021-12-18 04:22:54,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 04:22:54,382 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 996 transitions. [2021-12-18 04:22:54,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-18 04:22:54,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:22:54,388 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 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] [2021-12-18 04:22:54,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-18 04:22:54,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:22:54,596 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:22:54,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:22:54,596 INFO L85 PathProgramCache]: Analyzing trace with hash -469173370, now seen corresponding path program 1 times [2021-12-18 04:22:54,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:22:54,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832823714] [2021-12-18 04:22:54,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:22:54,598 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:22:54,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:22:54,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:22:54,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 04:22:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:22:55,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 04:22:55,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:22:55,458 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-12-18 04:22:55,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:22:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-18 04:22:56,041 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:22:56,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832823714] [2021-12-18 04:22:56,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832823714] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:22:56,041 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 04:22:56,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-18 04:22:56,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795112708] [2021-12-18 04:22:56,041 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 04:22:56,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 04:22:56,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:22:56,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 04:22:56,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:22:56,047 INFO L87 Difference]: Start difference. First operand 722 states and 996 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 04:22:56,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:22:56,731 INFO L93 Difference]: Finished difference Result 1428 states and 1977 transitions. [2021-12-18 04:22:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 04:22:56,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2021-12-18 04:22:56,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:22:56,736 INFO L225 Difference]: With dead ends: 1428 [2021-12-18 04:22:56,736 INFO L226 Difference]: Without dead ends: 731 [2021-12-18 04:22:56,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2021-12-18 04:22:56,738 INFO L933 BasicCegarLoop]: 991 mSDtfsCounter, 10 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5924 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:22:56,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 5924 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 04:22:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2021-12-18 04:22:56,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 731. [2021-12-18 04:22:56,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 527 states have (on average 1.3282732447817838) internal successors, (700), 535 states have internal predecessors, (700), 154 states have call successors, (154), 50 states have call predecessors, (154), 49 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2021-12-18 04:22:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1007 transitions. [2021-12-18 04:22:56,766 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1007 transitions. Word has length 98 [2021-12-18 04:22:56,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:22:56,768 INFO L470 AbstractCegarLoop]: Abstraction has 731 states and 1007 transitions. [2021-12-18 04:22:56,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 04:22:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1007 transitions. [2021-12-18 04:22:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-18 04:22:56,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:22:56,772 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:22:56,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-18 04:22:56,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:22:56,983 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:22:56,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:22:56,984 INFO L85 PathProgramCache]: Analyzing trace with hash 2038734604, now seen corresponding path program 2 times [2021-12-18 04:22:56,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:22:56,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967017202] [2021-12-18 04:22:56,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 04:22:56,985 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:22:56,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:22:56,986 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:22:56,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-18 04:22:57,415 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 04:22:57,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 04:22:57,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 04:22:57,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:22:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-18 04:22:57,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:22:57,664 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:22:57,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967017202] [2021-12-18 04:22:57,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967017202] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:22:57,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:22:57,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 04:22:57,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714165485] [2021-12-18 04:22:57,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:22:57,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 04:22:57,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:22:57,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 04:22:57,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:22:57,665 INFO L87 Difference]: Start difference. First operand 731 states and 1007 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-18 04:22:59,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:22:59,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:22:59,860 INFO L93 Difference]: Finished difference Result 2097 states and 2892 transitions. [2021-12-18 04:22:59,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 04:22:59,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2021-12-18 04:22:59,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:22:59,869 INFO L225 Difference]: With dead ends: 2097 [2021-12-18 04:22:59,869 INFO L226 Difference]: Without dead ends: 1404 [2021-12-18 04:22:59,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:22:59,873 INFO L933 BasicCegarLoop]: 1144 mSDtfsCounter, 930 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 2118 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-18 04:22:59,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [930 Valid, 2118 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-18 04:22:59,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2021-12-18 04:22:59,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1404. [2021-12-18 04:22:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1014 states have (on average 1.3333333333333333) internal successors, (1352), 1030 states have internal predecessors, (1352), 292 states have call successors, (292), 98 states have call predecessors, (292), 97 states have return successors, (291), 291 states have call predecessors, (291), 291 states have call successors, (291) [2021-12-18 04:22:59,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1935 transitions. [2021-12-18 04:22:59,933 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1935 transitions. Word has length 104 [2021-12-18 04:22:59,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:22:59,935 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 1935 transitions. [2021-12-18 04:22:59,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-18 04:22:59,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1935 transitions. [2021-12-18 04:22:59,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-18 04:22:59,940 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:22:59,940 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:22:59,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-18 04:23:00,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:23:00,164 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:23:00,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:23:00,165 INFO L85 PathProgramCache]: Analyzing trace with hash -27771237, now seen corresponding path program 1 times [2021-12-18 04:23:00,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:23:00,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027917396] [2021-12-18 04:23:00,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:23:00,166 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:23:00,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:23:00,179 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:23:00,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-18 04:23:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:23:00,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 04:23:00,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:23:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-18 04:23:01,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:23:01,396 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:23:01,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2027917396] [2021-12-18 04:23:01,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2027917396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:23:01,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:23:01,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 04:23:01,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517741449] [2021-12-18 04:23:01,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:23:01,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 04:23:01,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:23:01,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 04:23:01,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 04:23:01,398 INFO L87 Difference]: Start difference. First operand 1404 states and 1935 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 04:23:01,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:23:01,844 INFO L93 Difference]: Finished difference Result 4133 states and 5731 transitions. [2021-12-18 04:23:01,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 04:23:01,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2021-12-18 04:23:01,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:23:01,861 INFO L225 Difference]: With dead ends: 4133 [2021-12-18 04:23:01,861 INFO L226 Difference]: Without dead ends: 2761 [2021-12-18 04:23:01,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:23:01,867 INFO L933 BasicCegarLoop]: 1147 mSDtfsCounter, 956 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 4392 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 04:23:01,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [956 Valid, 4392 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 04:23:01,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2021-12-18 04:23:01,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 2753. [2021-12-18 04:23:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2753 states, 1989 states have (on average 1.334841628959276) internal successors, (2655), 2021 states have internal predecessors, (2655), 570 states have call successors, (570), 194 states have call predecessors, (570), 193 states have return successors, (589), 569 states have call predecessors, (589), 569 states have call successors, (589) [2021-12-18 04:23:01,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 3814 transitions. [2021-12-18 04:23:01,995 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 3814 transitions. Word has length 115 [2021-12-18 04:23:01,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:23:01,996 INFO L470 AbstractCegarLoop]: Abstraction has 2753 states and 3814 transitions. [2021-12-18 04:23:01,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 04:23:01,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3814 transitions. [2021-12-18 04:23:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-12-18 04:23:02,005 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:23:02,005 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 8, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 04:23:02,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-18 04:23:02,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:23:02,224 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:23:02,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:23:02,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1182147327, now seen corresponding path program 1 times [2021-12-18 04:23:02,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:23:02,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349234907] [2021-12-18 04:23:02,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:23:02,225 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:23:02,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:23:02,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:23:02,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-18 04:23:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:23:03,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 04:23:03,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:23:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-12-18 04:23:03,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:23:03,972 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:23:03,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349234907] [2021-12-18 04:23:03,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349234907] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:23:03,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:23:03,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 04:23:03,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027974123] [2021-12-18 04:23:03,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:23:03,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 04:23:03,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:23:03,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 04:23:03,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:23:03,973 INFO L87 Difference]: Start difference. First operand 2753 states and 3814 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 04:23:04,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:23:04,227 INFO L93 Difference]: Finished difference Result 7237 states and 9972 transitions. [2021-12-18 04:23:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 04:23:04,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 247 [2021-12-18 04:23:04,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:23:04,247 INFO L225 Difference]: With dead ends: 7237 [2021-12-18 04:23:04,247 INFO L226 Difference]: Without dead ends: 4522 [2021-12-18 04:23:04,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:23:04,257 INFO L933 BasicCegarLoop]: 1105 mSDtfsCounter, 641 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 2033 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 04:23:04,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [641 Valid, 2033 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 04:23:04,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2021-12-18 04:23:04,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 4511. [2021-12-18 04:23:04,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4511 states, 3239 states have (on average 1.3331275084902747) internal successors, (4318), 3287 states have internal predecessors, (4318), 922 states have call successors, (922), 350 states have call predecessors, (922), 349 states have return successors, (957), 921 states have call predecessors, (957), 921 states have call successors, (957) [2021-12-18 04:23:04,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4511 states and 6197 transitions. [2021-12-18 04:23:04,413 INFO L78 Accepts]: Start accepts. Automaton has 4511 states and 6197 transitions. Word has length 247 [2021-12-18 04:23:04,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:23:04,414 INFO L470 AbstractCegarLoop]: Abstraction has 4511 states and 6197 transitions. [2021-12-18 04:23:04,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 04:23:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4511 states and 6197 transitions. [2021-12-18 04:23:04,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-18 04:23:04,424 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:23:04,424 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 8, 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] [2021-12-18 04:23:04,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-18 04:23:04,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:23:04,651 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:23:04,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:23:04,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1802231579, now seen corresponding path program 1 times [2021-12-18 04:23:04,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:23:04,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777690298] [2021-12-18 04:23:04,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:23:04,653 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:23:04,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:23:04,654 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:23:04,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-18 04:23:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:23:05,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 04:23:05,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:23:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-12-18 04:23:06,304 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:23:06,304 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:23:06,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777690298] [2021-12-18 04:23:06,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777690298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:23:06,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:23:06,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 04:23:06,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577583176] [2021-12-18 04:23:06,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:23:06,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 04:23:06,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:23:06,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 04:23:06,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:23:06,306 INFO L87 Difference]: Start difference. First operand 4511 states and 6197 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 04:23:07,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:23:07,049 INFO L93 Difference]: Finished difference Result 10678 states and 14586 transitions. [2021-12-18 04:23:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 04:23:07,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 228 [2021-12-18 04:23:07,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:23:07,078 INFO L225 Difference]: With dead ends: 10678 [2021-12-18 04:23:07,078 INFO L226 Difference]: Without dead ends: 6203 [2021-12-18 04:23:07,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:23:07,094 INFO L933 BasicCegarLoop]: 1273 mSDtfsCounter, 584 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 2120 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 04:23:07,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [584 Valid, 2120 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 04:23:07,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6203 states. [2021-12-18 04:23:07,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6203 to 6194. [2021-12-18 04:23:07,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6194 states, 4489 states have (on average 1.321897972822455) internal successors, (5934), 4565 states have internal predecessors, (5934), 1221 states have call successors, (1221), 484 states have call predecessors, (1221), 483 states have return successors, (1268), 1220 states have call predecessors, (1268), 1220 states have call successors, (1268) [2021-12-18 04:23:07,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6194 states to 6194 states and 8423 transitions. [2021-12-18 04:23:07,280 INFO L78 Accepts]: Start accepts. Automaton has 6194 states and 8423 transitions. Word has length 228 [2021-12-18 04:23:07,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:23:07,280 INFO L470 AbstractCegarLoop]: Abstraction has 6194 states and 8423 transitions. [2021-12-18 04:23:07,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 04:23:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 6194 states and 8423 transitions. [2021-12-18 04:23:07,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-12-18 04:23:07,315 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:23:07,315 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 04:23:07,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-18 04:23:07,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:23:07,528 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:23:07,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:23:07,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1798029262, now seen corresponding path program 1 times [2021-12-18 04:23:07,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:23:07,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [338856740] [2021-12-18 04:23:07,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:23:07,529 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:23:07,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:23:07,530 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:23:07,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-18 04:23:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:23:08,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 04:23:08,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:23:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-12-18 04:23:09,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:23:09,438 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:23:09,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [338856740] [2021-12-18 04:23:09,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [338856740] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:23:09,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:23:09,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 04:23:09,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15143767] [2021-12-18 04:23:09,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:23:09,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 04:23:09,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:23:09,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 04:23:09,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 04:23:09,440 INFO L87 Difference]: Start difference. First operand 6194 states and 8423 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:23:11,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:23:11,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:23:11,698 INFO L93 Difference]: Finished difference Result 9376 states and 12741 transitions. [2021-12-18 04:23:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 04:23:11,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 264 [2021-12-18 04:23:11,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:23:11,713 INFO L225 Difference]: With dead ends: 9376 [2021-12-18 04:23:11,714 INFO L226 Difference]: Without dead ends: 3223 [2021-12-18 04:23:11,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 04:23:11,732 INFO L933 BasicCegarLoop]: 997 mSDtfsCounter, 17 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2981 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-18 04:23:11,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 2981 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-18 04:23:11,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3223 states. [2021-12-18 04:23:11,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3223 to 3170. [2021-12-18 04:23:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3170 states, 2301 states have (on average 1.3207301173402868) internal successors, (3039), 2339 states have internal predecessors, (3039), 621 states have call successors, (621), 248 states have call predecessors, (621), 247 states have return successors, (644), 620 states have call predecessors, (644), 620 states have call successors, (644) [2021-12-18 04:23:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4304 transitions. [2021-12-18 04:23:11,848 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4304 transitions. Word has length 264 [2021-12-18 04:23:11,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:23:11,849 INFO L470 AbstractCegarLoop]: Abstraction has 3170 states and 4304 transitions. [2021-12-18 04:23:11,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:23:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4304 transitions. [2021-12-18 04:23:11,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-12-18 04:23:11,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:23:11,859 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 04:23:11,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-18 04:23:12,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:23:12,080 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:23:12,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:23:12,080 INFO L85 PathProgramCache]: Analyzing trace with hash -397199604, now seen corresponding path program 1 times [2021-12-18 04:23:12,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:23:12,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628238692] [2021-12-18 04:23:12,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:23:12,081 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:23:12,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:23:12,083 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:23:12,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-18 04:23:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:23:13,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 04:23:13,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:23:14,172 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-12-18 04:23:14,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:23:14,173 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:23:14,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628238692] [2021-12-18 04:23:14,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628238692] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:23:14,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:23:14,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 04:23:14,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324865913] [2021-12-18 04:23:14,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:23:14,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 04:23:14,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:23:14,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 04:23:14,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:23:14,175 INFO L87 Difference]: Start difference. First operand 3170 states and 4304 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:23:16,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:23:16,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:23:16,532 INFO L93 Difference]: Finished difference Result 7487 states and 10146 transitions. [2021-12-18 04:23:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 04:23:16,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 264 [2021-12-18 04:23:16,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:23:16,552 INFO L225 Difference]: With dead ends: 7487 [2021-12-18 04:23:16,552 INFO L226 Difference]: Without dead ends: 4381 [2021-12-18 04:23:16,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:23:16,562 INFO L933 BasicCegarLoop]: 1191 mSDtfsCounter, 853 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-18 04:23:16,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [853 Valid, 1942 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-18 04:23:16,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4381 states. [2021-12-18 04:23:16,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4381 to 4372. [2021-12-18 04:23:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4372 states, 3173 states have (on average 1.3170501103057044) internal successors, (4179), 3223 states have internal predecessors, (4179), 839 states have call successors, (839), 360 states have call predecessors, (839), 359 states have return successors, (870), 838 states have call predecessors, (870), 838 states have call successors, (870) [2021-12-18 04:23:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 4372 states and 5888 transitions. [2021-12-18 04:23:16,687 INFO L78 Accepts]: Start accepts. Automaton has 4372 states and 5888 transitions. Word has length 264 [2021-12-18 04:23:16,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:23:16,687 INFO L470 AbstractCegarLoop]: Abstraction has 4372 states and 5888 transitions. [2021-12-18 04:23:16,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:23:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 4372 states and 5888 transitions. [2021-12-18 04:23:16,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-18 04:23:16,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:23:16,698 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:23:16,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-18 04:23:16,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:23:16,904 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:23:16,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:23:16,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2086004870, now seen corresponding path program 1 times [2021-12-18 04:23:16,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:23:16,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415392178] [2021-12-18 04:23:16,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:23:16,905 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:23:16,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:23:16,906 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:23:16,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-18 04:23:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:23:17,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 04:23:17,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:23:18,727 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-12-18 04:23:18,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:23:18,728 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:23:18,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [415392178] [2021-12-18 04:23:18,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [415392178] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:23:18,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:23:18,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 04:23:18,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377025422] [2021-12-18 04:23:18,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:23:18,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 04:23:18,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:23:18,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 04:23:18,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:23:18,729 INFO L87 Difference]: Start difference. First operand 4372 states and 5888 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:23:20,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:23:21,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:23:21,692 INFO L93 Difference]: Finished difference Result 11440 states and 15401 transitions. [2021-12-18 04:23:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 04:23:21,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 245 [2021-12-18 04:23:21,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:23:21,728 INFO L225 Difference]: With dead ends: 11440 [2021-12-18 04:23:21,728 INFO L226 Difference]: Without dead ends: 7132 [2021-12-18 04:23:21,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:23:21,742 INFO L933 BasicCegarLoop]: 1459 mSDtfsCounter, 797 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 2324 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-18 04:23:21,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [797 Valid, 2324 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-12-18 04:23:21,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7132 states. [2021-12-18 04:23:21,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7132 to 7082. [2021-12-18 04:23:21,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7082 states, 5191 states have (on average 1.296474667694086) internal successors, (6730), 5275 states have internal predecessors, (6730), 1277 states have call successors, (1277), 614 states have call predecessors, (1277), 613 states have return successors, (1325), 1276 states have call predecessors, (1325), 1276 states have call successors, (1325) [2021-12-18 04:23:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7082 states to 7082 states and 9332 transitions. [2021-12-18 04:23:21,934 INFO L78 Accepts]: Start accepts. Automaton has 7082 states and 9332 transitions. Word has length 245 [2021-12-18 04:23:21,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:23:21,935 INFO L470 AbstractCegarLoop]: Abstraction has 7082 states and 9332 transitions. [2021-12-18 04:23:21,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:23:21,935 INFO L276 IsEmpty]: Start isEmpty. Operand 7082 states and 9332 transitions. [2021-12-18 04:23:21,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-18 04:23:21,946 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:23:21,946 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:23:21,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-18 04:23:22,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:23:22,152 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:23:22,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:23:22,152 INFO L85 PathProgramCache]: Analyzing trace with hash -789580918, now seen corresponding path program 1 times [2021-12-18 04:23:22,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:23:22,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370484571] [2021-12-18 04:23:22,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:23:22,153 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:23:22,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:23:22,154 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:23:22,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-18 04:23:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:23:22,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 04:23:23,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:23:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-12-18 04:23:24,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:23:24,125 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:23:24,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370484571] [2021-12-18 04:23:24,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370484571] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:23:24,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:23:24,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:23:24,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180452743] [2021-12-18 04:23:24,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:23:24,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:23:24,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:23:24,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:23:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:23:24,127 INFO L87 Difference]: Start difference. First operand 7082 states and 9332 transitions. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:23:24,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:23:24,477 INFO L93 Difference]: Finished difference Result 14236 states and 18855 transitions. [2021-12-18 04:23:24,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 04:23:24,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 244 [2021-12-18 04:23:24,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:23:24,502 INFO L225 Difference]: With dead ends: 14236 [2021-12-18 04:23:24,502 INFO L226 Difference]: Without dead ends: 7218 [2021-12-18 04:23:24,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:23:24,519 INFO L933 BasicCegarLoop]: 1003 mSDtfsCounter, 4 mSDsluCounter, 3990 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4993 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 04:23:24,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 4993 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 04:23:24,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7218 states. [2021-12-18 04:23:24,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7218 to 7180. [2021-12-18 04:23:24,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7180 states, 5261 states have (on average 1.2925299372742824) internal successors, (6800), 5345 states have internal predecessors, (6800), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 627 states have return successors, (1375), 1304 states have call predecessors, (1375), 1290 states have call successors, (1375) [2021-12-18 04:23:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7180 states to 7180 states and 9466 transitions. [2021-12-18 04:23:24,730 INFO L78 Accepts]: Start accepts. Automaton has 7180 states and 9466 transitions. Word has length 244 [2021-12-18 04:23:24,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:23:24,731 INFO L470 AbstractCegarLoop]: Abstraction has 7180 states and 9466 transitions. [2021-12-18 04:23:24,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 04:23:24,731 INFO L276 IsEmpty]: Start isEmpty. Operand 7180 states and 9466 transitions. [2021-12-18 04:23:24,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-18 04:23:24,743 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:23:24,743 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:23:24,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-18 04:23:24,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:23:24,972 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:23:24,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:23:24,972 INFO L85 PathProgramCache]: Analyzing trace with hash -368435660, now seen corresponding path program 1 times [2021-12-18 04:23:24,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:23:24,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721459540] [2021-12-18 04:23:24,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:23:24,974 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:23:24,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:23:24,974 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:23:24,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-18 04:23:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:23:25,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 04:23:25,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:23:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-12-18 04:23:26,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:23:26,817 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:23:26,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721459540] [2021-12-18 04:23:26,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721459540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:23:26,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:23:26,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 04:23:26,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994705861] [2021-12-18 04:23:26,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:23:26,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 04:23:26,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:23:26,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 04:23:26,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 04:23:26,819 INFO L87 Difference]: Start difference. First operand 7180 states and 9466 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:23:27,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:23:27,038 INFO L93 Difference]: Finished difference Result 14386 states and 19050 transitions. [2021-12-18 04:23:27,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 04:23:27,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 246 [2021-12-18 04:23:27,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:23:27,067 INFO L225 Difference]: With dead ends: 14386 [2021-12-18 04:23:27,068 INFO L226 Difference]: Without dead ends: 7270 [2021-12-18 04:23:27,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 04:23:27,086 INFO L933 BasicCegarLoop]: 993 mSDtfsCounter, 2 mSDsluCounter, 2974 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3967 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 04:23:27,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 3967 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 04:23:27,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7270 states. [2021-12-18 04:23:27,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7270 to 7250. [2021-12-18 04:23:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7250 states, 5310 states have (on average 1.2898305084745763) internal successors, (6849), 5401 states have internal predecessors, (6849), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 648 states have return successors, (1398), 1318 states have call predecessors, (1398), 1290 states have call successors, (1398) [2021-12-18 04:23:27,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7250 states to 7250 states and 9538 transitions. [2021-12-18 04:23:27,321 INFO L78 Accepts]: Start accepts. Automaton has 7250 states and 9538 transitions. Word has length 246 [2021-12-18 04:23:27,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:23:27,322 INFO L470 AbstractCegarLoop]: Abstraction has 7250 states and 9538 transitions. [2021-12-18 04:23:27,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:23:27,322 INFO L276 IsEmpty]: Start isEmpty. Operand 7250 states and 9538 transitions. [2021-12-18 04:23:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-18 04:23:27,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:23:27,334 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:23:27,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-18 04:23:27,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:23:27,548 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:23:27,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:23:27,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1635388720, now seen corresponding path program 1 times [2021-12-18 04:23:27,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:23:27,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1518835412] [2021-12-18 04:23:27,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:23:27,550 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:23:27,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:23:27,551 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:23:27,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-18 04:23:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:23:28,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 04:23:28,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:23:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-12-18 04:23:29,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:23:29,153 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:23:29,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1518835412] [2021-12-18 04:23:29,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1518835412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:23:29,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:23:29,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 04:23:29,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159207043] [2021-12-18 04:23:29,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:23:29,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 04:23:29,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:23:29,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 04:23:29,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:23:29,154 INFO L87 Difference]: Start difference. First operand 7250 states and 9538 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:23:29,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:23:29,259 INFO L93 Difference]: Finished difference Result 10898 states and 14407 transitions. [2021-12-18 04:23:29,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 04:23:29,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 245 [2021-12-18 04:23:29,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:23:29,280 INFO L225 Difference]: With dead ends: 10898 [2021-12-18 04:23:29,280 INFO L226 Difference]: Without dead ends: 7278 [2021-12-18 04:23:29,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:23:29,291 INFO L933 BasicCegarLoop]: 994 mSDtfsCounter, 5 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 04:23:29,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 1980 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 04:23:29,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7278 states. [2021-12-18 04:23:29,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7278 to 7278. [2021-12-18 04:23:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7278 states, 5331 states have (on average 1.2886888013505908) internal successors, (6870), 5429 states have internal predecessors, (6870), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 655 states have return successors, (1405), 1318 states have call predecessors, (1405), 1290 states have call successors, (1405) [2021-12-18 04:23:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7278 states to 7278 states and 9566 transitions. [2021-12-18 04:23:29,463 INFO L78 Accepts]: Start accepts. Automaton has 7278 states and 9566 transitions. Word has length 245 [2021-12-18 04:23:29,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:23:29,464 INFO L470 AbstractCegarLoop]: Abstraction has 7278 states and 9566 transitions. [2021-12-18 04:23:29,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 04:23:29,464 INFO L276 IsEmpty]: Start isEmpty. Operand 7278 states and 9566 transitions. [2021-12-18 04:23:29,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-18 04:23:29,474 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:23:29,474 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:23:29,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-18 04:23:29,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:23:29,696 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:23:29,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:23:29,696 INFO L85 PathProgramCache]: Analyzing trace with hash -939128407, now seen corresponding path program 1 times [2021-12-18 04:23:29,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:23:29,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711587157] [2021-12-18 04:23:29,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:23:29,697 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:23:29,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:23:29,698 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:23:29,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-18 04:23:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:23:30,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 31 conjunts are in the unsatisfiable core [2021-12-18 04:23:30,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:23:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-12-18 04:23:32,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:23:32,501 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:23:32,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711587157] [2021-12-18 04:23:32,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1711587157] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:23:32,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:23:32,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 04:23:32,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502236577] [2021-12-18 04:23:32,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:23:32,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 04:23:32,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:23:32,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 04:23:32,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-18 04:23:32,503 INFO L87 Difference]: Start difference. First operand 7278 states and 9566 transitions. Second operand has 11 states, 11 states have (on average 12.636363636363637) internal successors, (139), 9 states have internal predecessors, (139), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 04:23:33,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:23:33,599 INFO L93 Difference]: Finished difference Result 14834 states and 19704 transitions. [2021-12-18 04:23:33,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 04:23:33,600 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.636363636363637) internal successors, (139), 9 states have internal predecessors, (139), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) Word has length 253 [2021-12-18 04:23:33,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:23:33,623 INFO L225 Difference]: With dead ends: 14834 [2021-12-18 04:23:33,624 INFO L226 Difference]: Without dead ends: 7620 [2021-12-18 04:23:33,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-12-18 04:23:33,637 INFO L933 BasicCegarLoop]: 1040 mSDtfsCounter, 23 mSDsluCounter, 9306 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 10346 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-18 04:23:33,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 10346 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-18 04:23:33,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7620 states. [2021-12-18 04:23:33,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7620 to 7334. [2021-12-18 04:23:33,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7334 states, 5380 states have (on average 1.283457249070632) internal successors, (6905), 5471 states have internal predecessors, (6905), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 662 states have return successors, (1412), 1332 states have call predecessors, (1412), 1290 states have call successors, (1412) [2021-12-18 04:23:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7334 states to 7334 states and 9608 transitions. [2021-12-18 04:23:33,863 INFO L78 Accepts]: Start accepts. Automaton has 7334 states and 9608 transitions. Word has length 253 [2021-12-18 04:23:33,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:23:33,864 INFO L470 AbstractCegarLoop]: Abstraction has 7334 states and 9608 transitions. [2021-12-18 04:23:33,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.636363636363637) internal successors, (139), 9 states have internal predecessors, (139), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 04:23:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 7334 states and 9608 transitions. [2021-12-18 04:23:33,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-12-18 04:23:33,873 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:23:33,873 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:23:33,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-12-18 04:23:34,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:23:34,088 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:23:34,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:23:34,088 INFO L85 PathProgramCache]: Analyzing trace with hash -697679631, now seen corresponding path program 1 times [2021-12-18 04:23:34,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:23:34,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460990053] [2021-12-18 04:23:34,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:23:34,089 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:23:34,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:23:34,090 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:23:34,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-18 04:23:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:23:35,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-18 04:23:35,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:23:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-12-18 04:23:36,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:23:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-12-18 04:23:40,442 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:23:40,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460990053] [2021-12-18 04:23:40,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460990053] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-18 04:23:40,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 04:23:40,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2021-12-18 04:23:40,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464881920] [2021-12-18 04:23:40,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:23:40,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:23:40,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:23:40,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:23:40,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-18 04:23:40,444 INFO L87 Difference]: Start difference. First operand 7334 states and 9608 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2021-12-18 04:23:42,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:23:45,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:23:46,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:23:48,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:23:52,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:23:56,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:23:58,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:04,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:06,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:08,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:12,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:24:12,721 INFO L93 Difference]: Finished difference Result 15249 states and 20163 transitions. [2021-12-18 04:24:12,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 04:24:12,722 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) Word has length 247 [2021-12-18 04:24:12,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:24:12,749 INFO L225 Difference]: With dead ends: 15249 [2021-12-18 04:24:12,749 INFO L226 Difference]: Without dead ends: 7895 [2021-12-18 04:24:12,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-12-18 04:24:12,763 INFO L933 BasicCegarLoop]: 1128 mSDtfsCounter, 1312 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 164 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 3220 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2021-12-18 04:24:12,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1383 Valid, 3220 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1866 Invalid, 8 Unknown, 0 Unchecked, 31.6s Time] [2021-12-18 04:24:12,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7895 states. [2021-12-18 04:24:13,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7895 to 7706. [2021-12-18 04:24:13,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7706 states, 5613 states have (on average 1.278995189738108) internal successors, (7179), 5711 states have internal predecessors, (7179), 1410 states have call successors, (1410), 614 states have call predecessors, (1410), 682 states have return successors, (1594), 1478 states have call predecessors, (1594), 1409 states have call successors, (1594) [2021-12-18 04:24:13,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7706 states to 7706 states and 10183 transitions. [2021-12-18 04:24:13,054 INFO L78 Accepts]: Start accepts. Automaton has 7706 states and 10183 transitions. Word has length 247 [2021-12-18 04:24:13,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:24:13,055 INFO L470 AbstractCegarLoop]: Abstraction has 7706 states and 10183 transitions. [2021-12-18 04:24:13,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2021-12-18 04:24:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 7706 states and 10183 transitions. [2021-12-18 04:24:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-12-18 04:24:13,065 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:24:13,065 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:24:13,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-12-18 04:24:13,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:24:13,282 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:24:13,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:24:13,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1778637766, now seen corresponding path program 1 times [2021-12-18 04:24:13,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:24:13,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546868810] [2021-12-18 04:24:13,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:24:13,284 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:24:13,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:24:13,285 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:24:13,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-18 04:24:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:24:14,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-18 04:24:14,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:24:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2021-12-18 04:24:16,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:24:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-12-18 04:24:22,138 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:24:22,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546868810] [2021-12-18 04:24:22,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546868810] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-18 04:24:22,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 04:24:22,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2021-12-18 04:24:22,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884872398] [2021-12-18 04:24:22,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:24:22,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 04:24:22,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:24:22,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 04:24:22,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-12-18 04:24:22,140 INFO L87 Difference]: Start difference. First operand 7706 states and 10183 transitions. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) [2021-12-18 04:24:24,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:26,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:28,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:32,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:36,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:38,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:40,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:45,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:47,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:24:49,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:25:00,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:25:02,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:25:04,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:25:06,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:25:09,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:25:11,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:25:23,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:25:23,998 INFO L93 Difference]: Finished difference Result 19055 states and 26206 transitions. [2021-12-18 04:25:23,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 04:25:23,999 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) Word has length 265 [2021-12-18 04:25:24,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:25:24,042 INFO L225 Difference]: With dead ends: 19055 [2021-12-18 04:25:24,042 INFO L226 Difference]: Without dead ends: 14972 [2021-12-18 04:25:24,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 513 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2021-12-18 04:25:24,053 INFO L933 BasicCegarLoop]: 1865 mSDtfsCounter, 5107 mSDsluCounter, 3994 mSDsCounter, 0 mSdLazyCounter, 4155 mSolverCounterSat, 1825 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5183 SdHoareTripleChecker+Valid, 5859 SdHoareTripleChecker+Invalid, 5992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1825 IncrementalHoareTripleChecker+Valid, 4155 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.9s IncrementalHoareTripleChecker+Time [2021-12-18 04:25:24,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5183 Valid, 5859 Invalid, 5992 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1825 Valid, 4155 Invalid, 12 Unknown, 0 Unchecked, 59.9s Time] [2021-12-18 04:25:24,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14972 states. [2021-12-18 04:25:24,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14972 to 11925. [2021-12-18 04:25:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11925 states, 8632 states have (on average 1.2787303058387396) internal successors, (11038), 8814 states have internal predecessors, (11038), 2202 states have call successors, (2202), 919 states have call predecessors, (2202), 1090 states have return successors, (2678), 2345 states have call predecessors, (2678), 2201 states have call successors, (2678) [2021-12-18 04:25:24,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11925 states to 11925 states and 15918 transitions. [2021-12-18 04:25:24,454 INFO L78 Accepts]: Start accepts. Automaton has 11925 states and 15918 transitions. Word has length 265 [2021-12-18 04:25:24,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:25:24,456 INFO L470 AbstractCegarLoop]: Abstraction has 11925 states and 15918 transitions. [2021-12-18 04:25:24,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) [2021-12-18 04:25:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 11925 states and 15918 transitions. [2021-12-18 04:25:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-12-18 04:25:24,469 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:25:24,469 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:25:24,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-12-18 04:25:24,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:25:24,686 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:25:24,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:25:24,687 INFO L85 PathProgramCache]: Analyzing trace with hash 883110265, now seen corresponding path program 1 times [2021-12-18 04:25:24,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:25:24,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081646515] [2021-12-18 04:25:24,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:25:24,688 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:25:24,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:25:24,689 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:25:24,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-12-18 04:25:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:25:25,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 04:25:25,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:25:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-12-18 04:25:26,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:25:26,393 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:25:26,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081646515] [2021-12-18 04:25:26,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1081646515] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:25:26,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:25:26,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 04:25:26,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586240000] [2021-12-18 04:25:26,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:25:26,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 04:25:26,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:25:26,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 04:25:26,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 04:25:26,395 INFO L87 Difference]: Start difference. First operand 11925 states and 15918 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 04:25:26,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:25:26,877 INFO L93 Difference]: Finished difference Result 20318 states and 27363 transitions. [2021-12-18 04:25:26,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 04:25:26,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 267 [2021-12-18 04:25:26,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:25:26,912 INFO L225 Difference]: With dead ends: 20318 [2021-12-18 04:25:26,913 INFO L226 Difference]: Without dead ends: 12044 [2021-12-18 04:25:26,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 04:25:26,928 INFO L933 BasicCegarLoop]: 991 mSDtfsCounter, 10 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2966 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 04:25:26,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 2966 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 04:25:26,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12044 states. [2021-12-18 04:25:27,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12044 to 11974. [2021-12-18 04:25:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11974 states, 8681 states have (on average 1.2795760857044118) internal successors, (11108), 8863 states have internal predecessors, (11108), 2202 states have call successors, (2202), 919 states have call predecessors, (2202), 1090 states have return successors, (2678), 2345 states have call predecessors, (2678), 2201 states have call successors, (2678) [2021-12-18 04:25:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11974 states to 11974 states and 15988 transitions. [2021-12-18 04:25:27,282 INFO L78 Accepts]: Start accepts. Automaton has 11974 states and 15988 transitions. Word has length 267 [2021-12-18 04:25:27,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:25:27,282 INFO L470 AbstractCegarLoop]: Abstraction has 11974 states and 15988 transitions. [2021-12-18 04:25:27,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 04:25:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 11974 states and 15988 transitions. [2021-12-18 04:25:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-18 04:25:27,291 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:25:27,291 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:25:27,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-12-18 04:25:27,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:25:27,508 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:25:27,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:25:27,508 INFO L85 PathProgramCache]: Analyzing trace with hash -330012142, now seen corresponding path program 1 times [2021-12-18 04:25:27,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:25:27,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139418452] [2021-12-18 04:25:27,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:25:27,509 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:25:27,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:25:27,510 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:25:27,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-18 04:25:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:25:28,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 04:25:28,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:25:28,905 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-12-18 04:25:28,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 04:25:28,906 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:25:28,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139418452] [2021-12-18 04:25:28,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139418452] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:25:28,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:25:28,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 04:25:28,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903567360] [2021-12-18 04:25:28,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:25:28,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 04:25:28,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:25:28,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 04:25:28,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:25:28,907 INFO L87 Difference]: Start difference. First operand 11974 states and 15988 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-12-18 04:25:29,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:25:29,361 INFO L93 Difference]: Finished difference Result 23956 states and 32092 transitions. [2021-12-18 04:25:29,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 04:25:29,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 269 [2021-12-18 04:25:29,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:25:29,390 INFO L225 Difference]: With dead ends: 23956 [2021-12-18 04:25:29,390 INFO L226 Difference]: Without dead ends: 12046 [2021-12-18 04:25:29,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 04:25:29,407 INFO L933 BasicCegarLoop]: 993 mSDtfsCounter, 1 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1983 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 04:25:29,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 1983 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 04:25:29,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12046 states. [2021-12-18 04:25:29,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12046 to 12010. [2021-12-18 04:25:29,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12010 states, 8717 states have (on average 1.278421475278192) internal successors, (11144), 8899 states have internal predecessors, (11144), 2202 states have call successors, (2202), 919 states have call predecessors, (2202), 1090 states have return successors, (2678), 2345 states have call predecessors, (2678), 2201 states have call successors, (2678) [2021-12-18 04:25:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12010 states to 12010 states and 16024 transitions. [2021-12-18 04:25:29,782 INFO L78 Accepts]: Start accepts. Automaton has 12010 states and 16024 transitions. Word has length 269 [2021-12-18 04:25:29,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:25:29,783 INFO L470 AbstractCegarLoop]: Abstraction has 12010 states and 16024 transitions. [2021-12-18 04:25:29,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-12-18 04:25:29,783 INFO L276 IsEmpty]: Start isEmpty. Operand 12010 states and 16024 transitions. [2021-12-18 04:25:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-18 04:25:29,792 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:25:29,792 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:25:29,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-12-18 04:25:29,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:25:30,000 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:25:30,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:25:30,000 INFO L85 PathProgramCache]: Analyzing trace with hash 241714998, now seen corresponding path program 1 times [2021-12-18 04:25:30,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:25:30,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431348186] [2021-12-18 04:25:30,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:25:30,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:25:30,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:25:30,003 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:25:30,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-12-18 04:25:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:25:31,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 04:25:31,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:25:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-12-18 04:25:31,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:25:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-12-18 04:25:32,273 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:25:32,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431348186] [2021-12-18 04:25:32,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1431348186] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:25:32,274 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 04:25:32,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-18 04:25:32,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093415825] [2021-12-18 04:25:32,274 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 04:25:32,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:25:32,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:25:32,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:25:32,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:25:32,275 INFO L87 Difference]: Start difference. First operand 12010 states and 16024 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-12-18 04:25:33,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:25:33,024 INFO L93 Difference]: Finished difference Result 24172 states and 32380 transitions. [2021-12-18 04:25:33,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 04:25:33,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 271 [2021-12-18 04:25:33,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:25:33,057 INFO L225 Difference]: With dead ends: 24172 [2021-12-18 04:25:33,057 INFO L226 Difference]: Without dead ends: 12226 [2021-12-18 04:25:33,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:25:33,076 INFO L933 BasicCegarLoop]: 993 mSDtfsCounter, 5 mSDsluCounter, 2970 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3963 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:25:33,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 3963 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 04:25:33,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12226 states. [2021-12-18 04:25:33,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12226 to 12226. [2021-12-18 04:25:33,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12226 states, 8933 states have (on average 1.2716892421359005) internal successors, (11360), 9115 states have internal predecessors, (11360), 2202 states have call successors, (2202), 919 states have call predecessors, (2202), 1090 states have return successors, (2678), 2345 states have call predecessors, (2678), 2201 states have call successors, (2678) [2021-12-18 04:25:33,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12226 states to 12226 states and 16240 transitions. [2021-12-18 04:25:33,468 INFO L78 Accepts]: Start accepts. Automaton has 12226 states and 16240 transitions. Word has length 271 [2021-12-18 04:25:33,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:25:33,469 INFO L470 AbstractCegarLoop]: Abstraction has 12226 states and 16240 transitions. [2021-12-18 04:25:33,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2021-12-18 04:25:33,469 INFO L276 IsEmpty]: Start isEmpty. Operand 12226 states and 16240 transitions. [2021-12-18 04:25:33,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-12-18 04:25:33,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:25:33,479 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:25:33,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-12-18 04:25:33,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 04:25:33,686 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:25:33,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:25:33,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1093437602, now seen corresponding path program 2 times [2021-12-18 04:25:33,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 04:25:33,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383433383] [2021-12-18 04:25:33,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 04:25:33,688 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 04:25:33,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 04:25:33,696 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 04:25:33,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-18 04:25:38,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 04:25:38,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 04:25:38,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 68 conjunts are in the unsatisfiable core [2021-12-18 04:25:38,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:25:40,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-12-18 04:25:40,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-12-18 04:25:41,277 INFO L354 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2021-12-18 04:25:41,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 25 [2021-12-18 04:25:41,463 INFO L354 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2021-12-18 04:25:41,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2021-12-18 04:25:51,803 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-12-18 04:25:51,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 3 [2021-12-18 04:25:51,818 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-12-18 04:25:51,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 7 [2021-12-18 04:25:57,861 INFO L354 Elim1Store]: treesize reduction 3, result has 84.2 percent of original size [2021-12-18 04:25:57,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 40 [2021-12-18 04:26:02,401 INFO L354 Elim1Store]: treesize reduction 26, result has 54.4 percent of original size [2021-12-18 04:26:02,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 57 [2021-12-18 04:26:02,570 INFO L354 Elim1Store]: treesize reduction 47, result has 17.5 percent of original size [2021-12-18 04:26:02,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 25 [2021-12-18 04:26:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 118 proven. 10 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2021-12-18 04:26:03,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:26:10,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 303 treesize of output 294 [2021-12-18 04:26:10,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 436 treesize of output 400 [2021-12-18 04:26:17,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 292 [2021-12-18 04:26:17,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 434 treesize of output 398 [2021-12-18 04:26:25,404 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-12-18 04:26:25,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 23 [2021-12-18 04:26:58,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 303 treesize of output 294 [2021-12-18 04:26:58,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 436 treesize of output 400 [2021-12-18 04:27:34,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 302 [2021-12-18 04:27:34,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 590 treesize of output 554 [2021-12-18 04:27:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-18 04:27:41,739 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 04:27:41,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383433383] [2021-12-18 04:27:41,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383433383] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-18 04:27:41,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 04:27:41,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [25] total 41 [2021-12-18 04:27:41,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147027862] [2021-12-18 04:27:41,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:27:41,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-18 04:27:41,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 04:27:41,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-18 04:27:41,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1466, Unknown=31, NotChecked=0, Total=1640 [2021-12-18 04:27:41,741 INFO L87 Difference]: Start difference. First operand 12226 states and 16240 transitions. Second operand has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2021-12-18 04:27:43,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:27:45,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:27:47,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:27:49,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:27:51,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:27:53,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:27:55,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:27:57,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:27:59,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:28:27,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:28:31,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:28:39,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:29:05,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:29:16,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:29:28,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:29:30,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:29:32,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:29:34,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:29:37,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:29:39,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:29:41,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:29:43,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:30:43,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:30:45,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15