./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a948653c266428ea3786c800373e8dd675644e6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:14:30,817 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:14:30,818 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:14:30,825 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:14:30,825 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:14:30,826 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:14:30,827 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:14:30,828 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:14:30,829 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:14:30,830 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:14:30,830 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:14:30,831 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:14:30,831 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:14:30,832 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:14:30,833 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:14:30,833 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:14:30,834 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:14:30,835 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:14:30,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:14:30,838 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:14:30,838 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:14:30,839 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:14:30,840 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:14:30,840 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:14:30,840 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:14:30,841 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:14:30,841 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:14:30,841 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:14:30,842 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:14:30,843 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:14:30,843 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:14:30,843 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:14:30,844 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:14:30,844 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:14:30,844 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:14:30,845 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:14:30,845 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-28 13:14:30,852 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:14:30,852 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:14:30,853 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:14:30,853 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:14:30,853 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:14:30,853 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:14:30,853 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:14:30,854 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:14:30,854 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:14:30,854 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:14:30,854 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:14:30,854 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:14:30,854 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:14:30,854 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:14:30,854 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:14:30,854 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:14:30,855 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:14:30,855 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:14:30,855 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:14:30,855 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:14:30,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:14:30,855 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:14:30,855 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:14:30,856 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:14:30,856 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:14:30,856 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:14:30,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:14:30,856 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-28 13:14:30,856 INFO L133 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer 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(__VERIFIER_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 -> 5a948653c266428ea3786c800373e8dd675644e6 [2018-11-28 13:14:30,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:14:30,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:14:30,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:14:30,889 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:14:30,889 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:14:30,889 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.i [2018-11-28 13:14:30,926 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/data/65c913f00/1338b238a7cc4cc58133f107c36c4253/FLAG273a32e7e [2018-11-28 13:14:31,475 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:14:31,475 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.i [2018-11-28 13:14:31,499 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/data/65c913f00/1338b238a7cc4cc58133f107c36c4253/FLAG273a32e7e [2018-11-28 13:14:31,916 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/data/65c913f00/1338b238a7cc4cc58133f107c36c4253 [2018-11-28 13:14:31,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:14:31,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:14:31,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:14:31,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:14:31,922 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:14:31,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:14:31" (1/1) ... [2018-11-28 13:14:31,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad0e77b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:31, skipping insertion in model container [2018-11-28 13:14:31,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:14:31" (1/1) ... [2018-11-28 13:14:31,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:14:31,991 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:14:32,769 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:14:32,801 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:14:32,918 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:14:32,969 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:14:32,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32 WrapperNode [2018-11-28 13:14:32,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:14:32,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:14:32,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:14:32,970 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:14:32,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32" (1/1) ... [2018-11-28 13:14:33,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32" (1/1) ... [2018-11-28 13:14:33,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:14:33,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:14:33,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:14:33,012 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:14:33,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32" (1/1) ... [2018-11-28 13:14:33,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32" (1/1) ... [2018-11-28 13:14:33,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32" (1/1) ... [2018-11-28 13:14:33,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32" (1/1) ... [2018-11-28 13:14:33,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32" (1/1) ... [2018-11-28 13:14:33,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32" (1/1) ... [2018-11-28 13:14:33,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32" (1/1) ... [2018-11-28 13:14:33,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:14:33,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:14:33,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:14:33,076 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:14:33,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:14:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-11-28 13:14:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2018-11-28 13:14:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2018-11-28 13:14:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2018-11-28 13:14:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:14:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-28 13:14:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-28 13:14:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:14:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-28 13:14:33,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-28 13:14:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-28 13:14:33,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2018-11-28 13:14:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 13:14:33,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 13:14:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2018-11-28 13:14:33,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2018-11-28 13:14:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2018-11-28 13:14:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2018-11-28 13:14:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-11-28 13:14:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2018-11-28 13:14:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2018-11-28 13:14:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2018-11-28 13:14:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-11-28 13:14:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2018-11-28 13:14:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2018-11-28 13:14:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2018-11-28 13:14:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-28 13:14:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-28 13:14:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2018-11-28 13:14:33,123 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2018-11-28 13:14:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2018-11-28 13:14:33,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2018-11-28 13:14:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-11-28 13:14:33,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2018-11-28 13:14:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-28 13:14:33,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-28 13:14:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2018-11-28 13:14:33,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2018-11-28 13:14:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 13:14:33,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 13:14:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-28 13:14:33,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-28 13:14:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:14:33,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:14:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-28 13:14:33,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-28 13:14:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2018-11-28 13:14:33,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2018-11-28 13:14:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2018-11-28 13:14:33,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2018-11-28 13:14:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-28 13:14:33,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-28 13:14:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:14:33,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:14:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-11-28 13:14:33,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2018-11-28 13:14:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 13:14:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-28 13:14:33,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2018-11-28 13:14:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2018-11-28 13:14:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2018-11-28 13:14:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:14:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 13:14:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2018-11-28 13:14:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2018-11-28 13:14:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2018-11-28 13:14:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2018-11-28 13:14:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2018-11-28 13:14:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2018-11-28 13:14:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2018-11-28 13:14:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2018-11-28 13:14:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:14:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-28 13:14:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-28 13:14:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:14:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:14:34,275 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:14:34,275 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 13:14:34,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:34 BoogieIcfgContainer [2018-11-28 13:14:34,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:14:34,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:14:34,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:14:34,280 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:14:34,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:14:31" (1/3) ... [2018-11-28 13:14:34,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bab60ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:14:34, skipping insertion in model container [2018-11-28 13:14:34,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:32" (2/3) ... [2018-11-28 13:14:34,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bab60ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:14:34, skipping insertion in model container [2018-11-28 13:14:34,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:34" (3/3) ... [2018-11-28 13:14:34,283 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.i [2018-11-28 13:14:34,291 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:14:34,298 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:14:34,311 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:14:34,338 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:14:34,338 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:14:34,338 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:14:34,338 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:14:34,339 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:14:34,339 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:14:34,339 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:14:34,339 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:14:34,339 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:14:34,358 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states. [2018-11-28 13:14:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-28 13:14:34,368 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:34,368 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:34,370 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:34,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:34,375 INFO L82 PathProgramCache]: Analyzing trace with hash -193772713, now seen corresponding path program 1 times [2018-11-28 13:14:34,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:34,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:34,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:34,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:34,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-28 13:14:34,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:34,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:14:34,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:14:34,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:14:34,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:34,772 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 3 states. [2018-11-28 13:14:34,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:34,895 INFO L93 Difference]: Finished difference Result 662 states and 879 transitions. [2018-11-28 13:14:34,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:14:34,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-28 13:14:34,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:34,910 INFO L225 Difference]: With dead ends: 662 [2018-11-28 13:14:34,911 INFO L226 Difference]: Without dead ends: 396 [2018-11-28 13:14:34,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:34,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-11-28 13:14:34,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 372. [2018-11-28 13:14:34,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-11-28 13:14:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 479 transitions. [2018-11-28 13:14:34,999 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 479 transitions. Word has length 102 [2018-11-28 13:14:34,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:34,999 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 479 transitions. [2018-11-28 13:14:34,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:14:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 479 transitions. [2018-11-28 13:14:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-28 13:14:35,001 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:35,001 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:35,002 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:35,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:35,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1411383335, now seen corresponding path program 1 times [2018-11-28 13:14:35,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:35,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:35,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:35,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:35,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:35,165 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-28 13:14:35,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:35,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:14:35,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:14:35,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:14:35,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:35,167 INFO L87 Difference]: Start difference. First operand 372 states and 479 transitions. Second operand 3 states. [2018-11-28 13:14:35,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:35,264 INFO L93 Difference]: Finished difference Result 975 states and 1275 transitions. [2018-11-28 13:14:35,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:14:35,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2018-11-28 13:14:35,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:35,268 INFO L225 Difference]: With dead ends: 975 [2018-11-28 13:14:35,268 INFO L226 Difference]: Without dead ends: 635 [2018-11-28 13:14:35,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:35,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2018-11-28 13:14:35,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 631. [2018-11-28 13:14:35,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2018-11-28 13:14:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 826 transitions. [2018-11-28 13:14:35,311 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 826 transitions. Word has length 105 [2018-11-28 13:14:35,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:35,311 INFO L480 AbstractCegarLoop]: Abstraction has 631 states and 826 transitions. [2018-11-28 13:14:35,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:14:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 826 transitions. [2018-11-28 13:14:35,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-28 13:14:35,313 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:35,313 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:35,314 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:35,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:35,314 INFO L82 PathProgramCache]: Analyzing trace with hash 596908472, now seen corresponding path program 1 times [2018-11-28 13:14:35,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:35,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:35,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:35,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:35,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-28 13:14:35,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:35,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:14:35,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:14:35,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:14:35,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:35,436 INFO L87 Difference]: Start difference. First operand 631 states and 826 transitions. Second operand 3 states. [2018-11-28 13:14:35,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:35,473 INFO L93 Difference]: Finished difference Result 653 states and 852 transitions. [2018-11-28 13:14:35,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:14:35,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-11-28 13:14:35,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:35,476 INFO L225 Difference]: With dead ends: 653 [2018-11-28 13:14:35,476 INFO L226 Difference]: Without dead ends: 642 [2018-11-28 13:14:35,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:35,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2018-11-28 13:14:35,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 631. [2018-11-28 13:14:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2018-11-28 13:14:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 825 transitions. [2018-11-28 13:14:35,498 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 825 transitions. Word has length 125 [2018-11-28 13:14:35,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:35,498 INFO L480 AbstractCegarLoop]: Abstraction has 631 states and 825 transitions. [2018-11-28 13:14:35,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:14:35,498 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 825 transitions. [2018-11-28 13:14:35,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-28 13:14:35,500 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:35,500 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:35,500 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:35,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:35,501 INFO L82 PathProgramCache]: Analyzing trace with hash 654166774, now seen corresponding path program 1 times [2018-11-28 13:14:35,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:35,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:35,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:35,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:35,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:35,634 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-28 13:14:35,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:35,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:14:35,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:14:35,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:14:35,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:35,635 INFO L87 Difference]: Start difference. First operand 631 states and 825 transitions. Second operand 3 states. [2018-11-28 13:14:35,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:35,649 INFO L93 Difference]: Finished difference Result 633 states and 826 transitions. [2018-11-28 13:14:35,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:14:35,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-11-28 13:14:35,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:35,652 INFO L225 Difference]: With dead ends: 633 [2018-11-28 13:14:35,652 INFO L226 Difference]: Without dead ends: 630 [2018-11-28 13:14:35,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:35,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-11-28 13:14:35,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2018-11-28 13:14:35,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2018-11-28 13:14:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 823 transitions. [2018-11-28 13:14:35,668 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 823 transitions. Word has length 125 [2018-11-28 13:14:35,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:35,668 INFO L480 AbstractCegarLoop]: Abstraction has 630 states and 823 transitions. [2018-11-28 13:14:35,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:14:35,668 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 823 transitions. [2018-11-28 13:14:35,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-28 13:14:35,669 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:35,670 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:35,670 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:35,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:35,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1195708158, now seen corresponding path program 1 times [2018-11-28 13:14:35,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:35,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:35,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:35,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:35,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-28 13:14:35,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:35,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:14:35,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:14:35,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:14:35,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:35,767 INFO L87 Difference]: Start difference. First operand 630 states and 823 transitions. Second operand 3 states. [2018-11-28 13:14:35,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:35,780 INFO L93 Difference]: Finished difference Result 632 states and 824 transitions. [2018-11-28 13:14:35,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:14:35,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-11-28 13:14:35,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:35,782 INFO L225 Difference]: With dead ends: 632 [2018-11-28 13:14:35,783 INFO L226 Difference]: Without dead ends: 629 [2018-11-28 13:14:35,783 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:35,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2018-11-28 13:14:35,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 629. [2018-11-28 13:14:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2018-11-28 13:14:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 821 transitions. [2018-11-28 13:14:35,801 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 821 transitions. Word has length 126 [2018-11-28 13:14:35,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:35,802 INFO L480 AbstractCegarLoop]: Abstraction has 629 states and 821 transitions. [2018-11-28 13:14:35,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:14:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 821 transitions. [2018-11-28 13:14:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-28 13:14:35,803 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:35,803 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:35,803 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:35,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:35,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1587715961, now seen corresponding path program 1 times [2018-11-28 13:14:35,804 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:35,804 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:35,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:35,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:35,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-28 13:14:35,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:35,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:14:35,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:14:35,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:14:35,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:35,937 INFO L87 Difference]: Start difference. First operand 629 states and 821 transitions. Second operand 3 states. [2018-11-28 13:14:35,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:35,952 INFO L93 Difference]: Finished difference Result 631 states and 822 transitions. [2018-11-28 13:14:35,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:14:35,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-11-28 13:14:35,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:35,955 INFO L225 Difference]: With dead ends: 631 [2018-11-28 13:14:35,955 INFO L226 Difference]: Without dead ends: 628 [2018-11-28 13:14:35,956 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:35,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2018-11-28 13:14:35,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2018-11-28 13:14:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2018-11-28 13:14:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 819 transitions. [2018-11-28 13:14:35,974 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 819 transitions. Word has length 127 [2018-11-28 13:14:35,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:35,975 INFO L480 AbstractCegarLoop]: Abstraction has 628 states and 819 transitions. [2018-11-28 13:14:35,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:14:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 819 transitions. [2018-11-28 13:14:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-28 13:14:35,977 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:35,977 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:35,977 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:35,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:35,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1974522597, now seen corresponding path program 1 times [2018-11-28 13:14:35,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:35,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:35,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:35,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:35,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-28 13:14:36,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:36,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:14:36,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:14:36,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:14:36,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:36,152 INFO L87 Difference]: Start difference. First operand 628 states and 819 transitions. Second operand 3 states. [2018-11-28 13:14:36,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:36,219 INFO L93 Difference]: Finished difference Result 1780 states and 2359 transitions. [2018-11-28 13:14:36,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:14:36,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2018-11-28 13:14:36,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:36,226 INFO L225 Difference]: With dead ends: 1780 [2018-11-28 13:14:36,226 INFO L226 Difference]: Without dead ends: 1174 [2018-11-28 13:14:36,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:36,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2018-11-28 13:14:36,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1156. [2018-11-28 13:14:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1156 states. [2018-11-28 13:14:36,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1535 transitions. [2018-11-28 13:14:36,274 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1535 transitions. Word has length 128 [2018-11-28 13:14:36,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:36,274 INFO L480 AbstractCegarLoop]: Abstraction has 1156 states and 1535 transitions. [2018-11-28 13:14:36,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:14:36,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1535 transitions. [2018-11-28 13:14:36,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-28 13:14:36,277 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:36,277 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 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] [2018-11-28 13:14:36,278 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:36,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:36,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1260059221, now seen corresponding path program 1 times [2018-11-28 13:14:36,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:36,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:36,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:36,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:36,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:36,458 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-28 13:14:36,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:36,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:14:36,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:14:36,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:14:36,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:36,459 INFO L87 Difference]: Start difference. First operand 1156 states and 1535 transitions. Second operand 3 states. [2018-11-28 13:14:36,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:36,532 INFO L93 Difference]: Finished difference Result 2274 states and 3033 transitions. [2018-11-28 13:14:36,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:14:36,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2018-11-28 13:14:36,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:36,536 INFO L225 Difference]: With dead ends: 2274 [2018-11-28 13:14:36,536 INFO L226 Difference]: Without dead ends: 1158 [2018-11-28 13:14:36,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:36,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2018-11-28 13:14:36,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1153. [2018-11-28 13:14:36,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2018-11-28 13:14:36,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1526 transitions. [2018-11-28 13:14:36,568 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1526 transitions. Word has length 169 [2018-11-28 13:14:36,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:36,569 INFO L480 AbstractCegarLoop]: Abstraction has 1153 states and 1526 transitions. [2018-11-28 13:14:36,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:14:36,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1526 transitions. [2018-11-28 13:14:36,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 13:14:36,571 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:36,572 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 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] [2018-11-28 13:14:36,572 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:36,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:36,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1644748999, now seen corresponding path program 1 times [2018-11-28 13:14:36,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:36,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:36,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:36,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:36,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-28 13:14:36,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:36,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:14:36,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:14:36,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:14:36,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:14:36,731 INFO L87 Difference]: Start difference. First operand 1153 states and 1526 transitions. Second operand 10 states. [2018-11-28 13:14:36,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:36,812 INFO L93 Difference]: Finished difference Result 2268 states and 3006 transitions. [2018-11-28 13:14:36,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:14:36,813 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2018-11-28 13:14:36,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:36,816 INFO L225 Difference]: With dead ends: 2268 [2018-11-28 13:14:36,816 INFO L226 Difference]: Without dead ends: 1155 [2018-11-28 13:14:36,817 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:14:36,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2018-11-28 13:14:36,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1151. [2018-11-28 13:14:36,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2018-11-28 13:14:36,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1516 transitions. [2018-11-28 13:14:36,845 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1516 transitions. Word has length 174 [2018-11-28 13:14:36,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:36,846 INFO L480 AbstractCegarLoop]: Abstraction has 1151 states and 1516 transitions. [2018-11-28 13:14:36,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:14:36,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1516 transitions. [2018-11-28 13:14:36,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-28 13:14:36,848 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:36,848 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:36,848 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:36,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:36,848 INFO L82 PathProgramCache]: Analyzing trace with hash -186006767, now seen corresponding path program 1 times [2018-11-28 13:14:36,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:36,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:36,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:36,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:36,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:37,001 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-28 13:14:37,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:37,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:14:37,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:14:37,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:14:37,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:14:37,002 INFO L87 Difference]: Start difference. First operand 1151 states and 1516 transitions. Second operand 7 states. [2018-11-28 13:14:37,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:37,046 INFO L93 Difference]: Finished difference Result 1155 states and 1520 transitions. [2018-11-28 13:14:37,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:14:37,047 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2018-11-28 13:14:37,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:37,047 INFO L225 Difference]: With dead ends: 1155 [2018-11-28 13:14:37,047 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:14:37,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:14:37,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:14:37,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:14:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:14:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:14:37,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2018-11-28 13:14:37,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:37,050 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:14:37,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:14:37,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:14:37,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:14:37,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:14:38,660 INFO L448 ceAbstractionStarter]: For program point usbnet_resumeFINAL(lines 7018 7020) no Hoare annotation was computed. [2018-11-28 13:14:38,660 INFO L451 ceAbstractionStarter]: At program point usbnet_resumeENTRY(lines 7018 7020) the Hoare annotation is: true [2018-11-28 13:14:38,660 INFO L448 ceAbstractionStarter]: For program point usbnet_resumeEXIT(lines 7018 7020) no Hoare annotation was computed. [2018-11-28 13:14:38,660 INFO L448 ceAbstractionStarter]: For program point ldv_mutex_lock_udevFINAL(lines 6848 6858) no Hoare annotation was computed. [2018-11-28 13:14:38,660 INFO L444 ceAbstractionStarter]: At program point ldv_mutex_lock_udevENTRY(lines 6848 6858) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,660 INFO L448 ceAbstractionStarter]: For program point ldv_mutex_lock_udevEXIT(lines 6848 6858) no Hoare annotation was computed. [2018-11-28 13:14:38,660 INFO L448 ceAbstractionStarter]: For program point L6851-1(lines 6851 6854) no Hoare annotation was computed. [2018-11-28 13:14:38,661 INFO L448 ceAbstractionStarter]: For program point L6851(lines 6851 6854) no Hoare annotation was computed. [2018-11-28 13:14:38,661 INFO L444 ceAbstractionStarter]: At program point L6852(line 6852) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,661 INFO L448 ceAbstractionStarter]: For program point ldv_reset_resume_1FINAL(lines 6986 6988) no Hoare annotation was computed. [2018-11-28 13:14:38,661 INFO L448 ceAbstractionStarter]: For program point ldv_reset_resume_1EXIT(lines 6986 6988) no Hoare annotation was computed. [2018-11-28 13:14:38,661 INFO L451 ceAbstractionStarter]: At program point ldv_reset_resume_1ENTRY(lines 6986 6988) the Hoare annotation is: true [2018-11-28 13:14:38,661 INFO L448 ceAbstractionStarter]: For program point L6912-1(lines 6912 6915) no Hoare annotation was computed. [2018-11-28 13:14:38,661 INFO L448 ceAbstractionStarter]: For program point L6912(lines 6912 6915) no Hoare annotation was computed. [2018-11-28 13:14:38,661 INFO L444 ceAbstractionStarter]: At program point L6913(line 6913) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,661 INFO L448 ceAbstractionStarter]: For program point ldv_mutex_unlock_udevEXIT(lines 6909 6919) no Hoare annotation was computed. [2018-11-28 13:14:38,661 INFO L444 ceAbstractionStarter]: At program point ldv_mutex_unlock_udevENTRY(lines 6909 6919) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,661 INFO L448 ceAbstractionStarter]: For program point ldv_mutex_unlock_udevFINAL(lines 6909 6919) no Hoare annotation was computed. [2018-11-28 13:14:38,661 INFO L451 ceAbstractionStarter]: At program point ldv_undef_intENTRY(lines 5763 5770) the Hoare annotation is: true [2018-11-28 13:14:38,661 INFO L448 ceAbstractionStarter]: For program point ldv_undef_intFINAL(lines 5763 5770) no Hoare annotation was computed. [2018-11-28 13:14:38,662 INFO L448 ceAbstractionStarter]: For program point ldv_undef_intEXIT(lines 5763 5770) no Hoare annotation was computed. [2018-11-28 13:14:38,662 INFO L444 ceAbstractionStarter]: At program point L6047(line 6047) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,662 INFO L448 ceAbstractionStarter]: For program point L6047-1(line 6047) no Hoare annotation was computed. [2018-11-28 13:14:38,662 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 5974 6224) no Hoare annotation was computed. [2018-11-28 13:14:38,662 INFO L444 ceAbstractionStarter]: At program point L5998(line 5998) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,662 INFO L444 ceAbstractionStarter]: At program point L6097(line 6097) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,662 INFO L448 ceAbstractionStarter]: For program point L6064(lines 6064 6072) no Hoare annotation was computed. [2018-11-28 13:14:38,662 INFO L448 ceAbstractionStarter]: For program point L6097-1(line 6097) no Hoare annotation was computed. [2018-11-28 13:14:38,662 INFO L448 ceAbstractionStarter]: For program point L5998-1(line 5998) no Hoare annotation was computed. [2018-11-28 13:14:38,662 INFO L448 ceAbstractionStarter]: For program point L6180(lines 6180 6195) no Hoare annotation was computed. [2018-11-28 13:14:38,662 INFO L448 ceAbstractionStarter]: For program point L6098(lines 6098 6101) no Hoare annotation was computed. [2018-11-28 13:14:38,662 INFO L448 ceAbstractionStarter]: For program point L6197(line 6197) no Hoare annotation was computed. [2018-11-28 13:14:38,663 INFO L448 ceAbstractionStarter]: For program point L6164(lines 6164 6174) no Hoare annotation was computed. [2018-11-28 13:14:38,663 INFO L444 ceAbstractionStarter]: At program point L6065(line 6065) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,663 INFO L448 ceAbstractionStarter]: For program point L6065-1(line 6065) no Hoare annotation was computed. [2018-11-28 13:14:38,663 INFO L448 ceAbstractionStarter]: For program point L6115(line 6115) no Hoare annotation was computed. [2018-11-28 13:14:38,663 INFO L444 ceAbstractionStarter]: At program point L6082(line 6082) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,663 INFO L444 ceAbstractionStarter]: At program point L6148(lines 5997 6223) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (= 1 ~ldv_mutex_udev~0)) [2018-11-28 13:14:38,663 INFO L448 ceAbstractionStarter]: For program point L6082-1(line 6082) no Hoare annotation was computed. [2018-11-28 13:14:38,663 INFO L448 ceAbstractionStarter]: For program point L6198(lines 6198 6213) no Hoare annotation was computed. [2018-11-28 13:14:38,663 INFO L448 ceAbstractionStarter]: For program point L6066(lines 6066 6070) no Hoare annotation was computed. [2018-11-28 13:14:38,663 INFO L448 ceAbstractionStarter]: For program point L6165(line 6165) no Hoare annotation was computed. [2018-11-28 13:14:38,663 INFO L448 ceAbstractionStarter]: For program point L6000-1(line 6000) no Hoare annotation was computed. [2018-11-28 13:14:38,663 INFO L444 ceAbstractionStarter]: At program point L6000(line 6000) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,663 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 5974 6224) no Hoare annotation was computed. [2018-11-28 13:14:38,664 INFO L448 ceAbstractionStarter]: For program point L6215(line 6215) no Hoare annotation was computed. [2018-11-28 13:14:38,664 INFO L448 ceAbstractionStarter]: For program point L6182(lines 6182 6192) no Hoare annotation was computed. [2018-11-28 13:14:38,664 INFO L451 ceAbstractionStarter]: At program point L6116(line 6116) the Hoare annotation is: true [2018-11-28 13:14:38,664 INFO L448 ceAbstractionStarter]: For program point L6166(lines 6166 6170) no Hoare annotation was computed. [2018-11-28 13:14:38,664 INFO L448 ceAbstractionStarter]: For program point L6034(line 6034) no Hoare annotation was computed. [2018-11-28 13:14:38,664 INFO L448 ceAbstractionStarter]: For program point L6183(line 6183) no Hoare annotation was computed. [2018-11-28 13:14:38,664 INFO L451 ceAbstractionStarter]: At program point L6216(line 6216) the Hoare annotation is: true [2018-11-28 13:14:38,664 INFO L444 ceAbstractionStarter]: At program point L6167(line 6167) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,664 INFO L448 ceAbstractionStarter]: For program point L6134(line 6134) no Hoare annotation was computed. [2018-11-28 13:14:38,664 INFO L448 ceAbstractionStarter]: For program point L6167-1(line 6167) no Hoare annotation was computed. [2018-11-28 13:14:38,664 INFO L448 ceAbstractionStarter]: For program point L6200(lines 6200 6210) no Hoare annotation was computed. [2018-11-28 13:14:38,664 INFO L451 ceAbstractionStarter]: At program point L6035(line 6035) the Hoare annotation is: true [2018-11-28 13:14:38,664 INFO L444 ceAbstractionStarter]: At program point L6002(line 6002) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,664 INFO L448 ceAbstractionStarter]: For program point L6002-1(line 6002) no Hoare annotation was computed. [2018-11-28 13:14:38,664 INFO L448 ceAbstractionStarter]: For program point L6184(lines 6184 6188) no Hoare annotation was computed. [2018-11-28 13:14:38,665 INFO L448 ceAbstractionStarter]: For program point L6052(line 6052) no Hoare annotation was computed. [2018-11-28 13:14:38,665 INFO L448 ceAbstractionStarter]: For program point L6135(lines 6135 6152) no Hoare annotation was computed. [2018-11-28 13:14:38,665 INFO L448 ceAbstractionStarter]: For program point L6201(line 6201) no Hoare annotation was computed. [2018-11-28 13:14:38,665 INFO L444 ceAbstractionStarter]: At program point L6218(lines 5997 6223) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,665 INFO L444 ceAbstractionStarter]: At program point L6185(line 6185) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,665 INFO L448 ceAbstractionStarter]: For program point L6185-1(line 6185) no Hoare annotation was computed. [2018-11-28 13:14:38,665 INFO L451 ceAbstractionStarter]: At program point L6053(line 6053) the Hoare annotation is: true [2018-11-28 13:14:38,665 INFO L448 ceAbstractionStarter]: For program point L6202(lines 6202 6206) no Hoare annotation was computed. [2018-11-28 13:14:38,665 INFO L448 ceAbstractionStarter]: For program point L6136-1(line 6136) no Hoare annotation was computed. [2018-11-28 13:14:38,665 INFO L444 ceAbstractionStarter]: At program point L6136(line 6136) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0) (= 1 ~ldv_state_variable_0~0))) [2018-11-28 13:14:38,665 INFO L448 ceAbstractionStarter]: For program point L6004-1(line 6004) no Hoare annotation was computed. [2018-11-28 13:14:38,665 INFO L444 ceAbstractionStarter]: At program point L6004(line 6004) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,666 INFO L444 ceAbstractionStarter]: At program point L6203(line 6203) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,666 INFO L448 ceAbstractionStarter]: For program point L6203-1(line 6203) no Hoare annotation was computed. [2018-11-28 13:14:38,666 INFO L448 ceAbstractionStarter]: For program point L6137-2(lines 6135 6151) no Hoare annotation was computed. [2018-11-28 13:14:38,666 INFO L448 ceAbstractionStarter]: For program point L6137(lines 6137 6145) no Hoare annotation was computed. [2018-11-28 13:14:38,666 INFO L448 ceAbstractionStarter]: For program point L6154(line 6154) no Hoare annotation was computed. [2018-11-28 13:14:38,666 INFO L448 ceAbstractionStarter]: For program point L6022(lines 6022 6217) no Hoare annotation was computed. [2018-11-28 13:14:38,666 INFO L448 ceAbstractionStarter]: For program point L6088(line 6088) no Hoare annotation was computed. [2018-11-28 13:14:38,666 INFO L444 ceAbstractionStarter]: At program point L6006(line 6006) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,666 INFO L448 ceAbstractionStarter]: For program point L6105(line 6105) no Hoare annotation was computed. [2018-11-28 13:14:38,666 INFO L448 ceAbstractionStarter]: For program point L6006-1(line 6006) no Hoare annotation was computed. [2018-11-28 13:14:38,666 INFO L451 ceAbstractionStarter]: At program point L6155(line 6155) the Hoare annotation is: true [2018-11-28 13:14:38,666 INFO L448 ceAbstractionStarter]: For program point L6122(line 6122) no Hoare annotation was computed. [2018-11-28 13:14:38,666 INFO L448 ceAbstractionStarter]: For program point L6221(line 6221) no Hoare annotation was computed. [2018-11-28 13:14:38,666 INFO L448 ceAbstractionStarter]: For program point L6023(line 6023) no Hoare annotation was computed. [2018-11-28 13:14:38,667 INFO L448 ceAbstractionStarter]: For program point L6089(lines 6089 6093) no Hoare annotation was computed. [2018-11-28 13:14:38,667 INFO L448 ceAbstractionStarter]: For program point L6106(lines 6106 6113) no Hoare annotation was computed. [2018-11-28 13:14:38,667 INFO L448 ceAbstractionStarter]: For program point L6172(line 6172) no Hoare annotation was computed. [2018-11-28 13:14:38,667 INFO L448 ceAbstractionStarter]: For program point L6123(lines 6123 6159) no Hoare annotation was computed. [2018-11-28 13:14:38,667 INFO L444 ceAbstractionStarter]: At program point L6090(line 6090) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,667 INFO L448 ceAbstractionStarter]: For program point L6090-1(line 6090) no Hoare annotation was computed. [2018-11-28 13:14:38,667 INFO L448 ceAbstractionStarter]: For program point L6024(lines 6024 6039) no Hoare annotation was computed. [2018-11-28 13:14:38,667 INFO L444 ceAbstractionStarter]: At program point L6107(line 6107) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,668 INFO L448 ceAbstractionStarter]: For program point L6074(line 6074) no Hoare annotation was computed. [2018-11-28 13:14:38,668 INFO L448 ceAbstractionStarter]: For program point L6107-1(line 6107) no Hoare annotation was computed. [2018-11-28 13:14:38,668 INFO L451 ceAbstractionStarter]: At program point L6173(line 6173) the Hoare annotation is: true [2018-11-28 13:14:38,668 INFO L448 ceAbstractionStarter]: For program point L6008-1(line 6008) no Hoare annotation was computed. [2018-11-28 13:14:38,668 INFO L448 ceAbstractionStarter]: For program point L6041(line 6041) no Hoare annotation was computed. [2018-11-28 13:14:38,668 INFO L444 ceAbstractionStarter]: At program point L6008(line 6008) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,668 INFO L448 ceAbstractionStarter]: For program point L6190(line 6190) no Hoare annotation was computed. [2018-11-28 13:14:38,668 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 5974 6224) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,668 INFO L448 ceAbstractionStarter]: For program point L6075(lines 6075 6080) no Hoare annotation was computed. [2018-11-28 13:14:38,668 INFO L448 ceAbstractionStarter]: For program point L6042(lines 6042 6057) no Hoare annotation was computed. [2018-11-28 13:14:38,668 INFO L448 ceAbstractionStarter]: For program point L6108(lines 6108 6111) no Hoare annotation was computed. [2018-11-28 13:14:38,668 INFO L448 ceAbstractionStarter]: For program point L6075-2(lines 6062 6117) no Hoare annotation was computed. [2018-11-28 13:14:38,668 INFO L451 ceAbstractionStarter]: At program point L6191(line 6191) the Hoare annotation is: true [2018-11-28 13:14:38,668 INFO L448 ceAbstractionStarter]: For program point L6059(line 6059) no Hoare annotation was computed. [2018-11-28 13:14:38,668 INFO L448 ceAbstractionStarter]: For program point L6026(lines 6026 6036) no Hoare annotation was computed. [2018-11-28 13:14:38,669 INFO L448 ceAbstractionStarter]: For program point L6125(lines 6125 6156) no Hoare annotation was computed. [2018-11-28 13:14:38,669 INFO L448 ceAbstractionStarter]: For program point L6208(line 6208) no Hoare annotation was computed. [2018-11-28 13:14:38,669 INFO L448 ceAbstractionStarter]: For program point L6076-1(line 6076) no Hoare annotation was computed. [2018-11-28 13:14:38,669 INFO L444 ceAbstractionStarter]: At program point L6010(line 6010) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,669 INFO L444 ceAbstractionStarter]: At program point L6076(line 6076) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,669 INFO L444 ceAbstractionStarter]: At program point L6010-1(line 6010) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,669 INFO L448 ceAbstractionStarter]: For program point L6126(line 6126) no Hoare annotation was computed. [2018-11-28 13:14:38,669 INFO L448 ceAbstractionStarter]: For program point L6027(line 6027) no Hoare annotation was computed. [2018-11-28 13:14:38,669 INFO L448 ceAbstractionStarter]: For program point L6060(lines 6060 6120) no Hoare annotation was computed. [2018-11-28 13:14:38,669 INFO L451 ceAbstractionStarter]: At program point L6209(line 6209) the Hoare annotation is: true [2018-11-28 13:14:38,669 INFO L448 ceAbstractionStarter]: For program point L6011(line 6011) no Hoare annotation was computed. [2018-11-28 13:14:38,669 INFO L448 ceAbstractionStarter]: For program point L6044(lines 6044 6054) no Hoare annotation was computed. [2018-11-28 13:14:38,669 INFO L448 ceAbstractionStarter]: For program point L6127(lines 6127 6132) no Hoare annotation was computed. [2018-11-28 13:14:38,669 INFO L448 ceAbstractionStarter]: For program point L6028(lines 6028 6032) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point L6045(line 6045) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point L6095(line 6095) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point L6128-1(line 6128) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point L6062(lines 6062 6117) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point L6161(line 6161) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L444 ceAbstractionStarter]: At program point L6128(line 6128) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,670 INFO L444 ceAbstractionStarter]: At program point L6029(line 6029) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point L6029-1(line 6029) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point L6046(lines 6046 6050) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point L6162(lines 6162 6177) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point L6063(line 6063) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point L6096(lines 6096 6103) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point L6179(line 6179) no Hoare annotation was computed. [2018-11-28 13:14:38,670 INFO L444 ceAbstractionStarter]: At program point ldv_usb_unlock_device_udevENTRY(lines 6950 6956) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,670 INFO L448 ceAbstractionStarter]: For program point ldv_usb_unlock_device_udevFINAL(lines 6950 6956) no Hoare annotation was computed. [2018-11-28 13:14:38,671 INFO L448 ceAbstractionStarter]: For program point ldv_usb_unlock_device_udevEXIT(lines 6950 6956) no Hoare annotation was computed. [2018-11-28 13:14:38,671 INFO L448 ceAbstractionStarter]: For program point ldv___ldv_usb_unlock_device_13EXIT(lines 6294 6301) no Hoare annotation was computed. [2018-11-28 13:14:38,671 INFO L444 ceAbstractionStarter]: At program point ldv___ldv_usb_unlock_device_13ENTRY(lines 6294 6301) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,671 INFO L448 ceAbstractionStarter]: For program point ldv___ldv_usb_unlock_device_13FINAL(lines 6294 6301) no Hoare annotation was computed. [2018-11-28 13:14:38,671 INFO L444 ceAbstractionStarter]: At program point L6297(line 6297) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,671 INFO L444 ceAbstractionStarter]: At program point L6297-1(line 6297) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,671 INFO L448 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 6324 6330) no Hoare annotation was computed. [2018-11-28 13:14:38,671 INFO L451 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 6324 6330) the Hoare annotation is: true [2018-11-28 13:14:38,671 INFO L448 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6328) no Hoare annotation was computed. [2018-11-28 13:14:38,671 INFO L448 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 6324 6330) no Hoare annotation was computed. [2018-11-28 13:14:38,671 INFO L448 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 5787 5793) no Hoare annotation was computed. [2018-11-28 13:14:38,671 INFO L448 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 5787 5793) no Hoare annotation was computed. [2018-11-28 13:14:38,671 INFO L451 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 5787 5793) the Hoare annotation is: true [2018-11-28 13:14:38,672 INFO L451 ceAbstractionStarter]: At program point usb_reset_deviceENTRY(lines 7007 7009) the Hoare annotation is: true [2018-11-28 13:14:38,672 INFO L448 ceAbstractionStarter]: For program point usb_reset_deviceFINAL(lines 7007 7009) no Hoare annotation was computed. [2018-11-28 13:14:38,672 INFO L448 ceAbstractionStarter]: For program point usb_reset_deviceEXIT(lines 7007 7009) no Hoare annotation was computed. [2018-11-28 13:14:38,672 INFO L451 ceAbstractionStarter]: At program point ldv_initializeFINAL(lines 6982 6984) the Hoare annotation is: true [2018-11-28 13:14:38,672 INFO L448 ceAbstractionStarter]: For program point ldv_initializeEXIT(lines 6982 6984) no Hoare annotation was computed. [2018-11-28 13:14:38,672 INFO L448 ceAbstractionStarter]: For program point usb_deregisterEXIT(lines 6999 7001) no Hoare annotation was computed. [2018-11-28 13:14:38,672 INFO L448 ceAbstractionStarter]: For program point usb_deregisterFINAL(lines 6999 7001) no Hoare annotation was computed. [2018-11-28 13:14:38,672 INFO L451 ceAbstractionStarter]: At program point usb_deregisterENTRY(lines 6999 7001) the Hoare annotation is: true [2018-11-28 13:14:38,672 INFO L451 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:14:38,672 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:14:38,672 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:14:38,672 INFO L451 ceAbstractionStarter]: At program point always_connectedENTRY(lines 5832 5837) the Hoare annotation is: true [2018-11-28 13:14:38,672 INFO L448 ceAbstractionStarter]: For program point always_connectedFINAL(lines 5832 5837) no Hoare annotation was computed. [2018-11-28 13:14:38,672 INFO L448 ceAbstractionStarter]: For program point always_connectedEXIT(lines 5832 5837) no Hoare annotation was computed. [2018-11-28 13:14:38,672 INFO L448 ceAbstractionStarter]: For program point L6336-1(line 6336) no Hoare annotation was computed. [2018-11-28 13:14:38,672 INFO L451 ceAbstractionStarter]: At program point ldv_undef_int_negativeENTRY(lines 6331 6344) the Hoare annotation is: true [2018-11-28 13:14:38,673 INFO L451 ceAbstractionStarter]: At program point L6336(line 6336) the Hoare annotation is: true [2018-11-28 13:14:38,673 INFO L448 ceAbstractionStarter]: For program point L6338-1(lines 6338 6341) no Hoare annotation was computed. [2018-11-28 13:14:38,673 INFO L448 ceAbstractionStarter]: For program point ldv_undef_int_negativeFINAL(lines 6331 6344) no Hoare annotation was computed. [2018-11-28 13:14:38,673 INFO L448 ceAbstractionStarter]: For program point L6338(lines 6338 6341) no Hoare annotation was computed. [2018-11-28 13:14:38,673 INFO L451 ceAbstractionStarter]: At program point L6339(line 6339) the Hoare annotation is: true [2018-11-28 13:14:38,673 INFO L448 ceAbstractionStarter]: For program point ldv_undef_int_negativeEXIT(lines 6331 6344) no Hoare annotation was computed. [2018-11-28 13:14:38,673 INFO L448 ceAbstractionStarter]: For program point L6319-1(line 6319) no Hoare annotation was computed. [2018-11-28 13:14:38,673 INFO L451 ceAbstractionStarter]: At program point L6319(line 6319) the Hoare annotation is: true [2018-11-28 13:14:38,673 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_15FINAL(lines 6316 6323) no Hoare annotation was computed. [2018-11-28 13:14:38,673 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_15EXIT(lines 6316 6323) no Hoare annotation was computed. [2018-11-28 13:14:38,673 INFO L451 ceAbstractionStarter]: At program point ldv_usb_deregister_15ENTRY(lines 6316 6323) the Hoare annotation is: true [2018-11-28 13:14:38,673 INFO L451 ceAbstractionStarter]: At program point usbnet_probeENTRY(lines 7014 7016) the Hoare annotation is: true [2018-11-28 13:14:38,673 INFO L448 ceAbstractionStarter]: For program point usbnet_probeFINAL(lines 7014 7016) no Hoare annotation was computed. [2018-11-28 13:14:38,673 INFO L448 ceAbstractionStarter]: For program point usbnet_probeEXIT(lines 7014 7016) no Hoare annotation was computed. [2018-11-28 13:14:38,673 INFO L451 ceAbstractionStarter]: At program point cdc_subset_driver_exitENTRY(lines 5951 5957) the Hoare annotation is: true [2018-11-28 13:14:38,673 INFO L448 ceAbstractionStarter]: For program point cdc_subset_driver_exitEXIT(lines 5951 5957) no Hoare annotation was computed. [2018-11-28 13:14:38,674 INFO L448 ceAbstractionStarter]: For program point cdc_subset_driver_exitFINAL(lines 5951 5957) no Hoare annotation was computed. [2018-11-28 13:14:38,674 INFO L451 ceAbstractionStarter]: At program point usbnet_disconnectENTRY(lines 7010 7012) the Hoare annotation is: true [2018-11-28 13:14:38,674 INFO L448 ceAbstractionStarter]: For program point usbnet_disconnectFINAL(lines 7010 7012) no Hoare annotation was computed. [2018-11-28 13:14:38,674 INFO L448 ceAbstractionStarter]: For program point usbnet_disconnectEXIT(lines 7010 7012) no Hoare annotation was computed. [2018-11-28 13:14:38,674 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_14FINAL(lines 6302 6315) no Hoare annotation was computed. [2018-11-28 13:14:38,674 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_14EXIT(lines 6302 6315) no Hoare annotation was computed. [2018-11-28 13:14:38,674 INFO L451 ceAbstractionStarter]: At program point ldv_usb_register_driver_14ENTRY(lines 6302 6315) the Hoare annotation is: true [2018-11-28 13:14:38,674 INFO L448 ceAbstractionStarter]: For program point L6312-1(line 6312) no Hoare annotation was computed. [2018-11-28 13:14:38,674 INFO L451 ceAbstractionStarter]: At program point L6312(line 6312) the Hoare annotation is: true [2018-11-28 13:14:38,674 INFO L448 ceAbstractionStarter]: For program point L6308-1(line 6308) no Hoare annotation was computed. [2018-11-28 13:14:38,674 INFO L451 ceAbstractionStarter]: At program point L6308(line 6308) the Hoare annotation is: true [2018-11-28 13:14:38,674 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:14:38,674 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-28 13:14:38,674 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:14:38,674 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:14:38,674 INFO L451 ceAbstractionStarter]: At program point usb_register_driverENTRY(lines 7003 7005) the Hoare annotation is: true [2018-11-28 13:14:38,675 INFO L448 ceAbstractionStarter]: For program point usb_register_driverFINAL(lines 7003 7005) no Hoare annotation was computed. [2018-11-28 13:14:38,675 INFO L448 ceAbstractionStarter]: For program point usb_register_driverEXIT(lines 7003 7005) no Hoare annotation was computed. [2018-11-28 13:14:38,675 INFO L448 ceAbstractionStarter]: For program point ldv_init_zallocFINAL(lines 5744 5754) no Hoare annotation was computed. [2018-11-28 13:14:38,675 INFO L448 ceAbstractionStarter]: For program point ldv_init_zallocEXIT(lines 5744 5754) no Hoare annotation was computed. [2018-11-28 13:14:38,675 INFO L451 ceAbstractionStarter]: At program point ldv_init_zallocENTRY(lines 5744 5754) the Hoare annotation is: true [2018-11-28 13:14:38,675 INFO L451 ceAbstractionStarter]: At program point L5749(line 5749) the Hoare annotation is: true [2018-11-28 13:14:38,675 INFO L448 ceAbstractionStarter]: For program point L5749-1(line 5749) no Hoare annotation was computed. [2018-11-28 13:14:38,675 INFO L448 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_12FINAL(lines 6286 6293) no Hoare annotation was computed. [2018-11-28 13:14:38,675 INFO L448 ceAbstractionStarter]: For program point L6290-1(line 6290) no Hoare annotation was computed. [2018-11-28 13:14:38,675 INFO L448 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_12EXIT(lines 6286 6293) no Hoare annotation was computed. [2018-11-28 13:14:38,675 INFO L444 ceAbstractionStarter]: At program point ldv_usb_lock_device_for_reset_12ENTRY(lines 6286 6293) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,675 INFO L444 ceAbstractionStarter]: At program point L6290(line 6290) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,675 INFO L448 ceAbstractionStarter]: For program point usbnet_suspendFINAL(lines 7022 7024) no Hoare annotation was computed. [2018-11-28 13:14:38,675 INFO L451 ceAbstractionStarter]: At program point usbnet_suspendENTRY(lines 7022 7024) the Hoare annotation is: true [2018-11-28 13:14:38,675 INFO L448 ceAbstractionStarter]: For program point usbnet_suspendEXIT(lines 7022 7024) no Hoare annotation was computed. [2018-11-28 13:14:38,676 INFO L451 ceAbstractionStarter]: At program point L5947(line 5947) the Hoare annotation is: true [2018-11-28 13:14:38,676 INFO L448 ceAbstractionStarter]: For program point L5947-1(line 5947) no Hoare annotation was computed. [2018-11-28 13:14:38,676 INFO L448 ceAbstractionStarter]: For program point cdc_subset_driver_initEXIT(lines 5943 5950) no Hoare annotation was computed. [2018-11-28 13:14:38,676 INFO L451 ceAbstractionStarter]: At program point cdc_subset_driver_initENTRY(lines 5943 5950) the Hoare annotation is: true [2018-11-28 13:14:38,676 INFO L448 ceAbstractionStarter]: For program point cdc_subset_driver_initFINAL(lines 5943 5950) no Hoare annotation was computed. [2018-11-28 13:14:38,676 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:14:38,676 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:14:38,676 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:14:38,676 INFO L448 ceAbstractionStarter]: For program point L6972(lines 6957 6978) no Hoare annotation was computed. [2018-11-28 13:14:38,676 INFO L448 ceAbstractionStarter]: For program point L6968(lines 6959 6977) no Hoare annotation was computed. [2018-11-28 13:14:38,676 INFO L448 ceAbstractionStarter]: For program point L6964(lines 6959 6977) no Hoare annotation was computed. [2018-11-28 13:14:38,676 INFO L448 ceAbstractionStarter]: For program point L6960(lines 6959 6977) no Hoare annotation was computed. [2018-11-28 13:14:38,676 INFO L448 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 6957 6978) no Hoare annotation was computed. [2018-11-28 13:14:38,676 INFO L451 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 6957 6978) the Hoare annotation is: true [2018-11-28 13:14:38,676 INFO L444 ceAbstractionStarter]: At program point L6973(line 6973) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,676 INFO L444 ceAbstractionStarter]: At program point L6969(line 6969) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,677 INFO L444 ceAbstractionStarter]: At program point L6965(line 6965) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,677 INFO L444 ceAbstractionStarter]: At program point L6961(line 6961) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,677 INFO L451 ceAbstractionStarter]: At program point L5969(line 5969) the Hoare annotation is: true [2018-11-28 13:14:38,677 INFO L448 ceAbstractionStarter]: For program point L5969-1(line 5969) no Hoare annotation was computed. [2018-11-28 13:14:38,677 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1EXIT(lines 5965 5973) no Hoare annotation was computed. [2018-11-28 13:14:38,677 INFO L451 ceAbstractionStarter]: At program point ldv_usb_driver_1ENTRY(lines 5965 5973) the Hoare annotation is: true [2018-11-28 13:14:38,677 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1FINAL(lines 5965 5973) no Hoare annotation was computed. [2018-11-28 13:14:38,677 INFO L444 ceAbstractionStarter]: At program point L5851(line 5851) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (and (= m5632_recover_~r~0 0) (= 2 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,677 INFO L444 ceAbstractionStarter]: At program point m5632_recoverENTRY(lines 5838 5855) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,677 INFO L448 ceAbstractionStarter]: For program point L5851-1(line 5851) no Hoare annotation was computed. [2018-11-28 13:14:38,677 INFO L448 ceAbstractionStarter]: For program point m5632_recoverFINAL(lines 5838 5855) no Hoare annotation was computed. [2018-11-28 13:14:38,677 INFO L444 ceAbstractionStarter]: At program point L5852(line 5852) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (and (= m5632_recover_~r~0 0) (= 2 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,677 INFO L448 ceAbstractionStarter]: For program point L5847(lines 5847 5850) no Hoare annotation was computed. [2018-11-28 13:14:38,678 INFO L444 ceAbstractionStarter]: At program point L5846(line 5846) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,678 INFO L448 ceAbstractionStarter]: For program point m5632_recoverEXIT(lines 5838 5855) no Hoare annotation was computed. [2018-11-28 13:14:38,678 INFO L448 ceAbstractionStarter]: For program point L5846-1(line 5846) no Hoare annotation was computed. [2018-11-28 13:14:38,678 INFO L448 ceAbstractionStarter]: For program point __ldv_usb_unlock_deviceFINAL(lines 6979 6981) no Hoare annotation was computed. [2018-11-28 13:14:38,678 INFO L451 ceAbstractionStarter]: At program point __ldv_usb_unlock_deviceENTRY(lines 6979 6981) the Hoare annotation is: true [2018-11-28 13:14:38,678 INFO L448 ceAbstractionStarter]: For program point __ldv_usb_unlock_deviceEXIT(lines 6979 6981) no Hoare annotation was computed. [2018-11-28 13:14:38,678 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:14:38,678 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_mutex_mutex_of_device~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1)) [2018-11-28 13:14:38,678 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:14:38,678 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:14:38,678 INFO L451 ceAbstractionStarter]: At program point L5759(line 5759) the Hoare annotation is: true [2018-11-28 13:14:38,678 INFO L448 ceAbstractionStarter]: For program point ldv_memsetFINAL(lines 5755 5762) no Hoare annotation was computed. [2018-11-28 13:14:38,678 INFO L448 ceAbstractionStarter]: For program point L5759-1(line 5759) no Hoare annotation was computed. [2018-11-28 13:14:38,678 INFO L451 ceAbstractionStarter]: At program point ldv_memsetENTRY(lines 5755 5762) the Hoare annotation is: true [2018-11-28 13:14:38,678 INFO L448 ceAbstractionStarter]: For program point ldv_memsetEXIT(lines 5755 5762) no Hoare annotation was computed. [2018-11-28 13:14:38,679 INFO L444 ceAbstractionStarter]: At program point L6942(line 6942) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,679 INFO L448 ceAbstractionStarter]: For program point L6945-1(line 6945) no Hoare annotation was computed. [2018-11-28 13:14:38,679 INFO L448 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_udevEXIT(lines 6935 6949) no Hoare annotation was computed. [2018-11-28 13:14:38,679 INFO L444 ceAbstractionStarter]: At program point L6945(line 6945) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,679 INFO L448 ceAbstractionStarter]: For program point L6940-1(line 6940) no Hoare annotation was computed. [2018-11-28 13:14:38,679 INFO L444 ceAbstractionStarter]: At program point L6940(line 6940) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,679 INFO L448 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_udevFINAL(lines 6935 6949) no Hoare annotation was computed. [2018-11-28 13:14:38,679 INFO L444 ceAbstractionStarter]: At program point ldv_usb_lock_device_for_reset_udevENTRY(lines 6935 6949) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-28 13:14:38,679 INFO L448 ceAbstractionStarter]: For program point L6941(lines 6941 6947) no Hoare annotation was computed. [2018-11-28 13:14:38,679 INFO L448 ceAbstractionStarter]: For program point L6942-1(line 6942) no Hoare annotation was computed. [2018-11-28 13:14:38,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:14:38 BoogieIcfgContainer [2018-11-28 13:14:38,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:14:38,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:14:38,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:14:38,699 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:14:38,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:34" (3/4) ... [2018-11-28 13:14:38,703 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:14:38,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_resume [2018-11-28 13:14:38,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_udev [2018-11-28 13:14:38,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_reset_resume_1 [2018-11-28 13:14:38,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_udev [2018-11-28 13:14:38,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2018-11-28 13:14:38,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:14:38,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_unlock_device_udev [2018-11-28 13:14:38,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv___ldv_usb_unlock_device_13 [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_reset_device [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_deregister [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure always_connected [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int_negative [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_deregister_15 [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_probe [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_subset_driver_exit [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_register_driver_14 [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-28 13:14:38,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_register_driver [2018-11-28 13:14:38,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2018-11-28 13:14:38,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_lock_device_for_reset_12 [2018-11-28 13:14:38,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_suspend [2018-11-28 13:14:38,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_subset_driver_init [2018-11-28 13:14:38,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:14:38,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-11-28 13:14:38,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_driver_1 [2018-11-28 13:14:38,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure m5632_recover [2018-11-28 13:14:38,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_usb_unlock_device [2018-11-28 13:14:38,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2018-11-28 13:14:38,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_lock_device_for_reset_udev [2018-11-28 13:14:38,725 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 350 nodes and edges [2018-11-28 13:14:38,726 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 165 nodes and edges [2018-11-28 13:14:38,727 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2018-11-28 13:14:38,728 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-28 13:14:38,728 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 13:14:38,729 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-28 13:14:38,730 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:14:38,730 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:14:38,751 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == ldv_mutex_udev && ldv_retval_3 == 0) || !(1 == ldv_mutex_lock)) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode) [2018-11-28 13:14:38,752 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == ldv_mutex_lock) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode)) || 1 == ldv_mutex_udev [2018-11-28 13:14:38,807 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_361ad368-b284-462c-86cf-25d553f117d6/bin-2019/uautomizer/witness.graphml [2018-11-28 13:14:38,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:14:38,808 INFO L168 Benchmark]: Toolchain (without parser) took 6889.45 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 378.0 MB). Free memory was 944.4 MB in the beginning and 979.1 MB in the end (delta: -34.7 MB). Peak memory consumption was 343.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:38,809 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:14:38,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1050.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 96.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:38,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:38,809 INFO L168 Benchmark]: Boogie Preprocessor took 63.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:38,809 INFO L168 Benchmark]: RCFGBuilder took 1201.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.7 MB in the end (delta: 174.7 MB). Peak memory consumption was 174.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:38,810 INFO L168 Benchmark]: TraceAbstraction took 4421.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 925.7 MB in the beginning and 998.8 MB in the end (delta: -73.1 MB). Peak memory consumption was 264.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:38,810 INFO L168 Benchmark]: Witness Printer took 108.47 ms. Allocated memory is still 1.4 GB. Free memory was 998.8 MB in the beginning and 979.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:38,811 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1050.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 96.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1201.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.7 MB in the end (delta: 174.7 MB). Peak memory consumption was 174.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4421.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 925.7 MB in the beginning and 998.8 MB in the end (delta: -73.1 MB). Peak memory consumption was 264.8 MB. Max. memory is 11.5 GB. * Witness Printer took 108.47 ms. Allocated memory is still 1.4 GB. Free memory was 998.8 MB in the beginning and 979.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6328]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5997]: Loop Invariant Derived loop invariant: (((((!(1 == ldv_mutex_lock) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode)) || 1 == ldv_mutex_udev - InvariantResult [Line: 5997]: Loop Invariant Derived loop invariant: ((((((1 == ldv_mutex_udev && ldv_retval_3 == 0) || !(1 == ldv_mutex_lock)) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode) - InvariantResult [Line: 5787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 268 locations, 1 error locations. SAFE Result, 4.3s OverallTime, 10 OverallIterations, 7 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 3427 SDtfs, 2092 SDslu, 4879 SDs, 0 SdLazy, 108 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1156occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 66 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 1037 PreInvPairs, 1106 NumberOfFragments, 1360 HoareAnnotationTreeSize, 1037 FomulaSimplifications, 714 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 92 FomulaSimplificationsInter, 4234 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1358 NumberOfCodeBlocks, 1358 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1348 ConstructedInterpolants, 0 QuantifiedInterpolants, 243158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 1615/1615 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...