./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--usb--serial--usbserial.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 581d9c0a0cad6f6b98859a62118a390d49f25c38 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 581d9c0a0cad6f6b98859a62118a390d49f25c38 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:32:46,673 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:32:46,675 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:32:46,682 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:32:46,682 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:32:46,682 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:32:46,683 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:32:46,684 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:32:46,685 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:32:46,686 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:32:46,686 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:32:46,687 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:32:46,687 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:32:46,688 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:32:46,689 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:32:46,689 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:32:46,690 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:32:46,691 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:32:46,692 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:32:46,693 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:32:46,694 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:32:46,695 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:32:46,696 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:32:46,696 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:32:46,696 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:32:46,697 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:32:46,698 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:32:46,698 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:32:46,699 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:32:46,699 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:32:46,700 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:32:46,700 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:32:46,700 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:32:46,700 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:32:46,701 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:32:46,701 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:32:46,702 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 13:32:46,711 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:32:46,711 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:32:46,712 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:32:46,712 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:32:46,712 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:32:46,712 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:32:46,712 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:32:46,712 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:32:46,712 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:32:46,712 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:32:46,713 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 13:32:46,713 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:32:46,713 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:32:46,713 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:32:46,713 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:32:46,714 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:32:46,714 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:32:46,714 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:32:46,714 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:32:46,714 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:32:46,714 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:32:46,714 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:32:46,715 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:32:46,715 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:32:46,715 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:32:46,715 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:32:46,715 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:32:46,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:32:46,715 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:32:46,715 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:32:46,716 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:32:46,716 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:32:46,716 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:32:46,716 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:32:46,716 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:32:46,716 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 13:32:46,716 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 581d9c0a0cad6f6b98859a62118a390d49f25c38 [2018-11-23 13:32:46,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:32:46,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:32:46,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:32:46,750 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:32:46,751 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:32:46,751 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 13:32:46,787 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/data/be63466c7/69aeb518e310433597e460f1bf0fd3ce/FLAGa65435a40 [2018-11-23 13:32:47,333 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:32:47,334 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 13:32:47,365 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/data/be63466c7/69aeb518e310433597e460f1bf0fd3ce/FLAGa65435a40 [2018-11-23 13:32:47,773 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/data/be63466c7/69aeb518e310433597e460f1bf0fd3ce [2018-11-23 13:32:47,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:32:47,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:32:47,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:32:47,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:32:47,780 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:32:47,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:47" (1/1) ... [2018-11-23 13:32:47,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39642631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:47, skipping insertion in model container [2018-11-23 13:32:47,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:47" (1/1) ... [2018-11-23 13:32:47,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:32:47,882 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:32:50,423 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:32:50,469 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:32:50,829 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:32:51,287 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:32:51,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51 WrapperNode [2018-11-23 13:32:51,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:32:51,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:32:51,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:32:51,289 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:32:51,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51" (1/1) ... [2018-11-23 13:32:51,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51" (1/1) ... [2018-11-23 13:32:51,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:32:51,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:32:51,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:32:51,377 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:32:51,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51" (1/1) ... [2018-11-23 13:32:51,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51" (1/1) ... [2018-11-23 13:32:51,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51" (1/1) ... [2018-11-23 13:32:51,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51" (1/1) ... [2018-11-23 13:32:51,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51" (1/1) ... [2018-11-23 13:32:51,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51" (1/1) ... [2018-11-23 13:32:51,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51" (1/1) ... [2018-11-23 13:32:51,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:32:51,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:32:51,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:32:51,700 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:32:51,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/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 [2018-11-23 13:32:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2018-11-23 13:32:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2018-11-23 13:32:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2018-11-23 13:32:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2018-11-23 13:32:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2018-11-23 13:32:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_37 [2018-11-23 13:32:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_37 [2018-11-23 13:32:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2018-11-23 13:32:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2018-11-23 13:32:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_38 [2018-11-23 13:32:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_38 [2018-11-23 13:32:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2018-11-23 13:32:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2018-11-23 13:32:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2018-11-23 13:32:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2018-11-23 13:32:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-11-23 13:32:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2018-11-23 13:32:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2018-11-23 13:32:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2018-11-23 13:32:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2018-11-23 13:32:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2018-11-23 13:32:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2018-11-23 13:32:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2018-11-23 13:32:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2018-11-23 13:32:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2018-11-23 13:32:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2018-11-23 13:32:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 13:32:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 13:32:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2018-11-23 13:32:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2018-11-23 13:32:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2018-11-23 13:32:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2018-11-23 13:32:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2018-11-23 13:32:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2018-11-23 13:32:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2018-11-23 13:32:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2018-11-23 13:32:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_26 [2018-11-23 13:32:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_26 [2018-11-23 13:32:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2018-11-23 13:32:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2018-11-23 13:32:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2018-11-23 13:32:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2018-11-23 13:32:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2018-11-23 13:32:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2018-11-23 13:32:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2018-11-23 13:32:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-23 13:32:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2018-11-23 13:32:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2018-11-23 13:32:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2018-11-23 13:32:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2018-11-23 13:32:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2018-11-23 13:32:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2018-11-23 13:32:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2018-11-23 13:32:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2018-11-23 13:32:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 13:32:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 13:32:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2018-11-23 13:32:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2018-11-23 13:32:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2018-11-23 13:32:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2018-11-23 13:32:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2018-11-23 13:32:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2018-11-23 13:32:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2018-11-23 13:32:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2018-11-23 13:32:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2018-11-23 13:32:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_unregister_device_144 [2018-11-23 13:32:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_unregister_device_144 [2018-11-23 13:32:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2018-11-23 13:32:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2018-11-23 13:32:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_5 [2018-11-23 13:32:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2018-11-23 13:32:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2018-11-23 13:32:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_49 [2018-11-23 13:32:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_49 [2018-11-23 13:32:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2018-11-23 13:32:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2018-11-23 13:32:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2018-11-23 13:32:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_42 [2018-11-23 13:32:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_42 [2018-11-23 13:32:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2018-11-23 13:32:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2018-11-23 13:32:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2018-11-23 13:32:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2018-11-23 13:32:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2018-11-23 13:32:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2018-11-23 13:32:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2018-11-23 13:32:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2018-11-23 13:32:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 13:32:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 13:32:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2018-11-23 13:32:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2018-11-23 13:32:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_48 [2018-11-23 13:32:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_48 [2018-11-23 13:32:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2018-11-23 13:32:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2018-11-23 13:32:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2018-11-23 13:32:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2018-11-23 13:32:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2018-11-23 13:32:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2018-11-23 13:32:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2018-11-23 13:32:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2018-11-23 13:32:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2018-11-23 13:32:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2018-11-23 13:32:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2018-11-23 13:32:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2018-11-23 13:32:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2018-11-23 13:32:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2018-11-23 13:32:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2018-11-23 13:32:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2018-11-23 13:32:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2018-11-23 13:32:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 13:32:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 13:32:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2018-11-23 13:32:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2018-11-23 13:32:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2018-11-23 13:32:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2018-11-23 13:32:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_4 [2018-11-23 13:32:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_4 [2018-11-23 13:32:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2018-11-23 13:32:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2018-11-23 13:32:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2018-11-23 13:32:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2018-11-23 13:32:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_41 [2018-11-23 13:32:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_41 [2018-11-23 13:32:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2018-11-23 13:32:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2018-11-23 13:32:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2018-11-23 13:32:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-23 13:32:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-23 13:32:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 13:32:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 13:32:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_show [2018-11-23 13:32:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_show [2018-11-23 13:32:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure create_serial [2018-11-23 13:32:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure create_serial [2018-11-23 13:32:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2018-11-23 13:32:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2018-11-23 13:32:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:32:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_9 [2018-11-23 13:32:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_9 [2018-11-23 13:32:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2018-11-23 13:32:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2018-11-23 13:32:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-23 13:32:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2018-11-23 13:32:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2018-11-23 13:32:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2018-11-23 13:32:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 13:32:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 13:32:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_exit [2018-11-23 13:32:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_exit [2018-11-23 13:32:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_init [2018-11-23 13:32:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_init [2018-11-23 13:32:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2018-11-23 13:32:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2018-11-23 13:32:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2018-11-23 13:32:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2018-11-23 13:32:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 13:32:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 13:32:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2018-11-23 13:32:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2018-11-23 13:32:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2018-11-23 13:32:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2018-11-23 13:32:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2018-11-23 13:32:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2018-11-23 13:32:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2018-11-23 13:32:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2018-11-23 13:32:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_register [2018-11-23 13:32:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_register [2018-11-23 13:32:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 13:32:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 13:32:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 13:32:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2018-11-23 13:32:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2018-11-23 13:32:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 13:32:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2018-11-23 13:32:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2018-11-23 13:32:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_release [2018-11-23 13:32:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_release [2018-11-23 13:32:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2018-11-23 13:32:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2018-11-23 13:32:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:32:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2018-11-23 13:32:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2018-11-23 13:32:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2018-11-23 13:32:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2018-11-23 13:32:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 13:32:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2018-11-23 13:32:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 13:32:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2018-11-23 13:32:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 13:32:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 13:32:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_minors [2018-11-23 13:32:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_minors [2018-11-23 13:32:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2018-11-23 13:32:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_exit [2018-11-23 13:32:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_exit [2018-11-23 13:32:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-23 13:32:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-23 13:32:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2018-11-23 13:32:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_room [2018-11-23 13:32:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_room [2018-11-23 13:32:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2018-11-23 13:32:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_init [2018-11-23 13:32:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_init [2018-11-23 13:32:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2018-11-23 13:32:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2018-11-23 13:32:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_show_dynids [2018-11-23 13:32:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2018-11-23 13:32:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2018-11-23 13:32:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2018-11-23 13:32:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2018-11-23 13:32:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2018-11-23 13:32:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2018-11-23 13:32:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2018-11-23 13:32:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2018-11-23 13:32:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2018-11-23 13:32:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2018-11-23 13:32:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2018-11-23 13:32:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2018-11-23 13:32:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2018-11-23 13:32:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_prepare_write_buffer [2018-11-23 13:32:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_prepare_write_buffer [2018-11-23 13:32:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 13:32:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 13:32:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2018-11-23 13:32:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2018-11-23 13:32:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2018-11-23 13:32:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 13:32:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2018-11-23 13:32:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2018-11-23 13:32:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:32:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:32:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 13:32:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2018-11-23 13:32:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-23 13:32:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2018-11-23 13:32:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2018-11-23 13:32:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2018-11-23 13:32:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 13:32:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 13:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2018-11-23 13:32:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2018-11-23 13:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 13:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2018-11-23 13:32:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2018-11-23 13:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2018-11-23 13:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2018-11-23 13:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-23 13:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2018-11-23 13:32:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2018-11-23 13:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-11-23 13:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2018-11-23 13:32:51,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2018-11-23 13:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-23 13:32:51,767 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-23 13:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_4 [2018-11-23 13:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_6 [2018-11-23 13:32:51,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_6 [2018-11-23 13:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-11-23 13:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 13:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2018-11-23 13:32:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_attribute_3 [2018-11-23 13:32:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_attribute_3 [2018-11-23 13:32:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_process_read_urb [2018-11-23 13:32:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_process_read_urb [2018-11-23 13:32:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2018-11-23 13:32:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2018-11-23 13:32:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2018-11-23 13:32:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2018-11-23 13:32:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2018-11-23 13:32:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure release_minors [2018-11-23 13:32:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure release_minors [2018-11-23 13:32:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2018-11-23 13:32:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2018-11-23 13:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 13:32:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 13:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 13:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2018-11-23 13:32:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2018-11-23 13:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-11-23 13:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:32:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_operations_init [2018-11-23 13:32:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_operations_init [2018-11-23 13:32:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2018-11-23 13:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2018-11-23 13:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 13:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 13:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_43 [2018-11-23 13:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_43 [2018-11-23 13:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_44 [2018-11-23 13:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_44 [2018-11-23 13:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2018-11-23 13:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2018-11-23 13:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2018-11-23 13:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2018-11-23 13:32:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2018-11-23 13:32:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2018-11-23 13:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2018-11-23 13:32:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2018-11-23 13:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2018-11-23 13:32:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2018-11-23 13:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2018-11-23 13:32:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2018-11-23 13:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2018-11-23 13:32:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2018-11-23 13:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2018-11-23 13:32:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2018-11-23 13:32:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 13:32:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 13:32:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2018-11-23 13:32:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2018-11-23 13:32:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2018-11-23 13:32:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2018-11-23 13:32:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2018-11-23 13:32:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2018-11-23 13:32:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2018-11-23 13:32:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-11-23 13:32:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-11-23 13:32:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2018-11-23 13:32:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2018-11-23 13:32:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2018-11-23 13:32:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2018-11-23 13:32:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2018-11-23 13:32:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2018-11-23 13:32:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2018-11-23 13:32:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2018-11-23 13:32:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2018-11-23 13:32:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2018-11-23 13:32:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 13:32:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2018-11-23 13:32:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2018-11-23 13:32:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 13:32:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 13:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2018-11-23 13:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2018-11-23 13:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2018-11-23 13:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2018-11-23 13:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2018-11-23 13:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2018-11-23 13:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2018-11-23 13:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2018-11-23 13:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2018-11-23 13:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 13:32:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 13:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2018-11-23 13:32:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2018-11-23 13:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:32:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2018-11-23 13:32:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2018-11-23 13:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2018-11-23 13:32:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2018-11-23 13:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-11-23 13:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2018-11-23 13:32:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2018-11-23 13:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2018-11-23 13:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_unpoison_urbs [2018-11-23 13:32:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_unpoison_urbs [2018-11-23 13:32:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destruct_7 [2018-11-23 13:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2018-11-23 13:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2018-11-23 13:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 13:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 13:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-23 13:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-23 13:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2018-11-23 13:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2018-11-23 13:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2018-11-23 13:32:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2018-11-23 13:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2018-11-23 13:32:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 13:32:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 13:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 13:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2018-11-23 13:32:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2018-11-23 13:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_45 [2018-11-23 13:32:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_45 [2018-11-23 13:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_47 [2018-11-23 13:32:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_47 [2018-11-23 13:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2018-11-23 13:32:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2018-11-23 13:32:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2018-11-23 13:32:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2018-11-23 13:32:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2018-11-23 13:32:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2018-11-23 13:32:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_register [2018-11-23 13:32:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_register [2018-11-23 13:32:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 13:32:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2018-11-23 13:32:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 13:32:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 13:32:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2018-11-23 13:32:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2018-11-23 13:32:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 13:32:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_39 [2018-11-23 13:32:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_39 [2018-11-23 13:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2018-11-23 13:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2018-11-23 13:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2018-11-23 13:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2018-11-23 13:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2018-11-23 13:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2018-11-23 13:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2018-11-23 13:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2018-11-23 13:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2018-11-23 13:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2018-11-23 13:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2018-11-23 13:32:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2018-11-23 13:32:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 13:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-23 13:32:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-23 13:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2018-11-23 13:32:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2018-11-23 13:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2018-11-23 13:32:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2018-11-23 13:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2018-11-23 13:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_register_device_143 [2018-11-23 13:32:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_register_device_143 [2018-11-23 13:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-23 13:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2018-11-23 13:32:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2018-11-23 13:32:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2018-11-23 13:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2018-11-23 13:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2018-11-23 13:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2018-11-23 13:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-11-23 13:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-11-23 13:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2018-11-23 13:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2018-11-23 13:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2018-11-23 13:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-11-23 13:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2018-11-23 13:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2018-11-23 13:32:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2018-11-23 13:32:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2018-11-23 13:32:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure serial_close [2018-11-23 13:32:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_close [2018-11-23 13:32:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2018-11-23 13:32:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2018-11-23 13:32:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2018-11-23 13:32:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-11-23 13:32:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_2 [2018-11-23 13:32:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_2 [2018-11-23 13:32:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2018-11-23 13:32:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2018-11-23 13:32:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2018-11-23 13:32:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2018-11-23 13:32:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-23 13:32:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2018-11-23 13:32:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2018-11-23 13:32:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2018-11-23 13:32:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2018-11-23 13:32:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2018-11-23 13:32:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2018-11-23 13:32:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2018-11-23 13:32:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2018-11-23 13:32:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2018-11-23 13:32:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2018-11-23 13:32:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2018-11-23 13:32:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-23 13:32:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-23 13:32:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2018-11-23 13:32:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2018-11-23 13:32:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_close [2018-11-23 13:32:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_close [2018-11-23 13:32:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2018-11-23 13:32:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2018-11-23 13:32:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2018-11-23 13:32:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2018-11-23 13:32:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-11-23 13:32:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-11-23 13:32:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 13:32:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure free_dynids [2018-11-23 13:32:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dynids [2018-11-23 13:32:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:32:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2018-11-23 13:32:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2018-11-23 13:32:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2018-11-23 13:32:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2018-11-23 13:32:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2018-11-23 13:32:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2018-11-23 13:32:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2018-11-23 13:32:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 13:32:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 13:32:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2018-11-23 13:32:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2018-11-23 13:32:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2018-11-23 13:32:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2018-11-23 13:32:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2018-11-23 13:32:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2018-11-23 13:32:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2018-11-23 13:32:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2018-11-23 13:32:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2018-11-23 13:32:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2018-11-23 13:32:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_wait_until_sent [2018-11-23 13:32:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_wait_until_sent [2018-11-23 13:32:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure handle_sysrq [2018-11-23 13:32:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2018-11-23 13:32:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2018-11-23 13:32:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2018-11-23 13:32:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2018-11-23 13:32:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2018-11-23 13:32:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 13:32:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 13:32:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2018-11-23 13:32:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2018-11-23 13:32:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2018-11-23 13:32:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2018-11-23 13:32:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2018-11-23 13:32:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2018-11-23 13:32:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2018-11-23 13:32:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2018-11-23 13:32:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_chars_in_buffer [2018-11-23 13:32:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_chars_in_buffer [2018-11-23 13:32:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2018-11-23 13:32:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure port_number_show [2018-11-23 13:32:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure port_number_show [2018-11-23 13:32:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure flag_buf_ptr [2018-11-23 13:32:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure flag_buf_ptr [2018-11-23 13:32:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_7 [2018-11-23 13:32:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_7 [2018-11-23 13:32:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_deregister [2018-11-23 13:32:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_deregister [2018-11-23 13:32:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2018-11-23 13:32:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2018-11-23 13:32:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2018-11-23 13:32:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_disconnect [2018-11-23 13:32:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_disconnect [2018-11-23 13:32:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2018-11-23 13:32:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2018-11-23 13:32:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2018-11-23 13:32:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2018-11-23 13:32:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2018-11-23 13:32:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2018-11-23 13:32:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_max_r [2018-11-23 13:32:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2018-11-23 13:32:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2018-11-23 13:32:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-23 13:32:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2018-11-23 13:32:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2018-11-23 13:32:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-23 13:32:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-23 13:32:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_install [2018-11-23 13:32:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2018-11-23 13:32:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2018-11-23 13:32:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure match_dynamic_id [2018-11-23 13:32:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure match_dynamic_id [2018-11-23 13:32:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2018-11-23 13:32:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2018-11-23 13:32:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2018-11-23 13:32:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2018-11-23 13:32:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_break [2018-11-23 13:32:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_break [2018-11-23 13:32:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2018-11-23 13:32:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure search_serial_device [2018-11-23 13:32:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure search_serial_device [2018-11-23 13:32:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2018-11-23 13:32:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2018-11-23 13:32:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2018-11-23 13:32:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2018-11-23 13:32:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2018-11-23 13:32:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2018-11-23 13:32:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 13:32:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 13:32:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-11-23 13:32:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-11-23 13:32:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_deregister [2018-11-23 13:32:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_deregister [2018-11-23 13:32:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2018-11-23 13:32:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2018-11-23 13:32:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_50 [2018-11-23 13:32:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_50 [2018-11-23 13:32:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_51 [2018-11-23 13:32:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_51 [2018-11-23 13:32:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:32:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-11-23 13:32:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-11-23 13:32:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2018-11-23 13:32:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2018-11-23 13:32:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 13:32:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-23 13:32:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2018-11-23 13:33:07,955 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:33:07,955 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 13:33:07,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:07 BoogieIcfgContainer [2018-11-23 13:33:07,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:33:07,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:33:07,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:33:07,958 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:33:07,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:32:47" (1/3) ... [2018-11-23 13:33:07,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368f5879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:33:07, skipping insertion in model container [2018-11-23 13:33:07,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:51" (2/3) ... [2018-11-23 13:33:07,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368f5879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:33:07, skipping insertion in model container [2018-11-23 13:33:07,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:07" (3/3) ... [2018-11-23 13:33:07,960 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 13:33:07,966 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:33:07,972 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:33:07,982 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:33:08,011 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:33:08,011 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:33:08,011 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:33:08,012 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:33:08,012 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:33:08,012 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:33:08,012 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:33:08,012 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:33:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states. [2018-11-23 13:33:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-23 13:33:08,063 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:08,064 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:08,065 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:08,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:08,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1581617964, now seen corresponding path program 1 times [2018-11-23 13:33:08,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:08,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:08,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:08,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:08,123 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:09,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:33:09,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:09,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:33:09,053 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:09,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:33:09,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:33:09,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:09,071 INFO L87 Difference]: Start difference. First operand 2524 states. Second operand 3 states. [2018-11-23 13:33:10,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:10,211 INFO L93 Difference]: Finished difference Result 7414 states and 10390 transitions. [2018-11-23 13:33:10,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:33:10,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2018-11-23 13:33:10,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:10,248 INFO L225 Difference]: With dead ends: 7414 [2018-11-23 13:33:10,249 INFO L226 Difference]: Without dead ends: 4910 [2018-11-23 13:33:10,262 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 [2018-11-23 13:33:10,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4910 states. [2018-11-23 13:33:10,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4910 to 4887. [2018-11-23 13:33:10,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4887 states. [2018-11-23 13:33:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4887 states to 4887 states and 6667 transitions. [2018-11-23 13:33:10,487 INFO L78 Accepts]: Start accepts. Automaton has 4887 states and 6667 transitions. Word has length 269 [2018-11-23 13:33:10,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:10,489 INFO L480 AbstractCegarLoop]: Abstraction has 4887 states and 6667 transitions. [2018-11-23 13:33:10,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:33:10,489 INFO L276 IsEmpty]: Start isEmpty. Operand 4887 states and 6667 transitions. [2018-11-23 13:33:10,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-23 13:33:10,497 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:10,497 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:10,497 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:10,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:10,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1466349409, now seen corresponding path program 1 times [2018-11-23 13:33:10,498 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:10,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:10,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:10,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:10,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:33:10,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:10,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:33:10,990 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:10,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:33:10,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:33:10,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:10,992 INFO L87 Difference]: Start difference. First operand 4887 states and 6667 transitions. Second operand 3 states. [2018-11-23 13:33:12,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:12,021 INFO L93 Difference]: Finished difference Result 13944 states and 18948 transitions. [2018-11-23 13:33:12,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:33:12,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 276 [2018-11-23 13:33:12,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:12,055 INFO L225 Difference]: With dead ends: 13944 [2018-11-23 13:33:12,055 INFO L226 Difference]: Without dead ends: 9114 [2018-11-23 13:33:12,069 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 [2018-11-23 13:33:12,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9114 states. [2018-11-23 13:33:12,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9114 to 9094. [2018-11-23 13:33:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9094 states. [2018-11-23 13:33:12,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9094 states to 9094 states and 12336 transitions. [2018-11-23 13:33:12,264 INFO L78 Accepts]: Start accepts. Automaton has 9094 states and 12336 transitions. Word has length 276 [2018-11-23 13:33:12,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:12,265 INFO L480 AbstractCegarLoop]: Abstraction has 9094 states and 12336 transitions. [2018-11-23 13:33:12,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:33:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand 9094 states and 12336 transitions. [2018-11-23 13:33:12,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-23 13:33:12,269 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:12,269 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:12,269 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:12,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:12,270 INFO L82 PathProgramCache]: Analyzing trace with hash -2096548215, now seen corresponding path program 1 times [2018-11-23 13:33:12,270 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:12,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:12,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:12,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:12,273 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:33:12,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:12,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:33:12,619 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:12,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:33:12,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:33:12,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:12,620 INFO L87 Difference]: Start difference. First operand 9094 states and 12336 transitions. Second operand 3 states. [2018-11-23 13:33:13,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:13,721 INFO L93 Difference]: Finished difference Result 26181 states and 35700 transitions. [2018-11-23 13:33:13,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:33:13,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2018-11-23 13:33:13,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:13,783 INFO L225 Difference]: With dead ends: 26181 [2018-11-23 13:33:13,783 INFO L226 Difference]: Without dead ends: 17144 [2018-11-23 13:33:13,807 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 [2018-11-23 13:33:13,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17144 states. [2018-11-23 13:33:14,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17144 to 17095. [2018-11-23 13:33:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17095 states. [2018-11-23 13:33:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17095 states to 17095 states and 23376 transitions. [2018-11-23 13:33:14,194 INFO L78 Accepts]: Start accepts. Automaton has 17095 states and 23376 transitions. Word has length 281 [2018-11-23 13:33:14,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:14,195 INFO L480 AbstractCegarLoop]: Abstraction has 17095 states and 23376 transitions. [2018-11-23 13:33:14,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:33:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 17095 states and 23376 transitions. [2018-11-23 13:33:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-23 13:33:14,199 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:14,199 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:14,200 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:14,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:14,200 INFO L82 PathProgramCache]: Analyzing trace with hash 681708761, now seen corresponding path program 1 times [2018-11-23 13:33:14,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:14,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:14,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:14,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:14,203 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:14,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:33:14,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:14,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:33:14,776 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:14,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:33:14,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:33:14,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:14,776 INFO L87 Difference]: Start difference. First operand 17095 states and 23376 transitions. Second operand 3 states. [2018-11-23 13:33:18,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:18,599 INFO L93 Difference]: Finished difference Result 50003 states and 68448 transitions. [2018-11-23 13:33:18,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:33:18,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2018-11-23 13:33:18,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:18,709 INFO L225 Difference]: With dead ends: 50003 [2018-11-23 13:33:18,709 INFO L226 Difference]: Without dead ends: 32965 [2018-11-23 13:33:18,757 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 [2018-11-23 13:33:18,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32965 states. [2018-11-23 13:33:19,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32965 to 32959. [2018-11-23 13:33:19,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32959 states. [2018-11-23 13:33:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32959 states to 32959 states and 45123 transitions. [2018-11-23 13:33:19,402 INFO L78 Accepts]: Start accepts. Automaton has 32959 states and 45123 transitions. Word has length 285 [2018-11-23 13:33:19,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:19,403 INFO L480 AbstractCegarLoop]: Abstraction has 32959 states and 45123 transitions. [2018-11-23 13:33:19,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:33:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32959 states and 45123 transitions. [2018-11-23 13:33:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-23 13:33:19,406 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:19,407 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:19,407 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:19,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:19,407 INFO L82 PathProgramCache]: Analyzing trace with hash 494518552, now seen corresponding path program 1 times [2018-11-23 13:33:19,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:19,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:19,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:19,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:19,411 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:19,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:33:19,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:19,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:33:19,790 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:19,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:33:19,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:33:19,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:19,791 INFO L87 Difference]: Start difference. First operand 32959 states and 45123 transitions. Second operand 3 states. [2018-11-23 13:33:20,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:20,879 INFO L93 Difference]: Finished difference Result 96095 states and 134570 transitions. [2018-11-23 13:33:20,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:33:20,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2018-11-23 13:33:20,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:21,133 INFO L225 Difference]: With dead ends: 96095 [2018-11-23 13:33:21,133 INFO L226 Difference]: Without dead ends: 63193 [2018-11-23 13:33:21,213 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:21,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63193 states. [2018-11-23 13:33:22,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63193 to 62925. [2018-11-23 13:33:22,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62925 states. [2018-11-23 13:33:22,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62925 states to 62925 states and 87903 transitions. [2018-11-23 13:33:22,512 INFO L78 Accepts]: Start accepts. Automaton has 62925 states and 87903 transitions. Word has length 294 [2018-11-23 13:33:22,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:22,513 INFO L480 AbstractCegarLoop]: Abstraction has 62925 states and 87903 transitions. [2018-11-23 13:33:22,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:33:22,513 INFO L276 IsEmpty]: Start isEmpty. Operand 62925 states and 87903 transitions. [2018-11-23 13:33:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-23 13:33:22,518 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:22,518 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:22,519 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:22,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:22,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1850741232, now seen corresponding path program 1 times [2018-11-23 13:33:22,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:22,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:22,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:22,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:22,524 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:23,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:33:23,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:23,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:33:23,055 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:23,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:33:23,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:33:23,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:23,057 INFO L87 Difference]: Start difference. First operand 62925 states and 87903 transitions. Second operand 3 states. [2018-11-23 13:33:24,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:24,036 INFO L93 Difference]: Finished difference Result 62927 states and 87904 transitions. [2018-11-23 13:33:24,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:33:24,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2018-11-23 13:33:24,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:24,211 INFO L225 Difference]: With dead ends: 62927 [2018-11-23 13:33:24,211 INFO L226 Difference]: Without dead ends: 62924 [2018-11-23 13:33:24,233 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 [2018-11-23 13:33:24,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62924 states. [2018-11-23 13:33:25,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62924 to 62924. [2018-11-23 13:33:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62924 states. [2018-11-23 13:33:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62924 states to 62924 states and 87901 transitions. [2018-11-23 13:33:25,428 INFO L78 Accepts]: Start accepts. Automaton has 62924 states and 87901 transitions. Word has length 295 [2018-11-23 13:33:25,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:25,429 INFO L480 AbstractCegarLoop]: Abstraction has 62924 states and 87901 transitions. [2018-11-23 13:33:25,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:33:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 62924 states and 87901 transitions. [2018-11-23 13:33:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-23 13:33:25,434 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:25,434 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:25,435 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:25,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:25,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1539345637, now seen corresponding path program 1 times [2018-11-23 13:33:25,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:25,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:25,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:25,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:25,442 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:33:25,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:25,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:33:25,978 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:25,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:33:25,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:33:25,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:25,979 INFO L87 Difference]: Start difference. First operand 62924 states and 87901 transitions. Second operand 3 states. [2018-11-23 13:33:26,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:26,905 INFO L93 Difference]: Finished difference Result 62926 states and 87902 transitions. [2018-11-23 13:33:26,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:33:26,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2018-11-23 13:33:26,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:27,066 INFO L225 Difference]: With dead ends: 62926 [2018-11-23 13:33:27,066 INFO L226 Difference]: Without dead ends: 62923 [2018-11-23 13:33:27,088 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 [2018-11-23 13:33:27,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62923 states. [2018-11-23 13:33:28,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62923 to 62923. [2018-11-23 13:33:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62923 states. [2018-11-23 13:33:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62923 states to 62923 states and 87899 transitions. [2018-11-23 13:33:28,321 INFO L78 Accepts]: Start accepts. Automaton has 62923 states and 87899 transitions. Word has length 296 [2018-11-23 13:33:28,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:28,321 INFO L480 AbstractCegarLoop]: Abstraction has 62923 states and 87899 transitions. [2018-11-23 13:33:28,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:33:28,321 INFO L276 IsEmpty]: Start isEmpty. Operand 62923 states and 87899 transitions. [2018-11-23 13:33:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-23 13:33:28,323 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:28,324 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:28,324 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:28,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:28,324 INFO L82 PathProgramCache]: Analyzing trace with hash -476011917, now seen corresponding path program 1 times [2018-11-23 13:33:28,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:28,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:28,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:28,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:28,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:33:28,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:28,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:33:28,805 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:28,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:33:28,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:33:28,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:28,806 INFO L87 Difference]: Start difference. First operand 62923 states and 87899 transitions. Second operand 3 states. [2018-11-23 13:33:29,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:29,851 INFO L93 Difference]: Finished difference Result 62925 states and 87900 transitions. [2018-11-23 13:33:29,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:33:29,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2018-11-23 13:33:29,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:30,004 INFO L225 Difference]: With dead ends: 62925 [2018-11-23 13:33:30,004 INFO L226 Difference]: Without dead ends: 62922 [2018-11-23 13:33:30,023 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 [2018-11-23 13:33:30,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62922 states. [2018-11-23 13:33:31,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62922 to 62922. [2018-11-23 13:33:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62922 states. [2018-11-23 13:33:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62922 states to 62922 states and 87897 transitions. [2018-11-23 13:33:31,267 INFO L78 Accepts]: Start accepts. Automaton has 62922 states and 87897 transitions. Word has length 297 [2018-11-23 13:33:31,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:31,268 INFO L480 AbstractCegarLoop]: Abstraction has 62922 states and 87897 transitions. [2018-11-23 13:33:31,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:33:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 62922 states and 87897 transitions. [2018-11-23 13:33:31,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-23 13:33:31,270 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:31,270 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:31,270 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:31,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:31,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1872400098, now seen corresponding path program 1 times [2018-11-23 13:33:31,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:31,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:31,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:31,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:31,274 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:31,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:33:31,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:31,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:33:31,626 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:31,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:33:31,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:33:31,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:33:31,627 INFO L87 Difference]: Start difference. First operand 62922 states and 87897 transitions. Second operand 4 states. [2018-11-23 13:33:37,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:37,467 INFO L93 Difference]: Finished difference Result 64100 states and 89237 transitions. [2018-11-23 13:33:37,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 13:33:37,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 298 [2018-11-23 13:33:37,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:37,673 INFO L225 Difference]: With dead ends: 64100 [2018-11-23 13:33:37,673 INFO L226 Difference]: Without dead ends: 64053 [2018-11-23 13:33:37,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:33:37,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64053 states. [2018-11-23 13:33:38,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64053 to 64033. [2018-11-23 13:33:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64033 states. [2018-11-23 13:33:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64033 states to 64033 states and 89115 transitions. [2018-11-23 13:33:39,079 INFO L78 Accepts]: Start accepts. Automaton has 64033 states and 89115 transitions. Word has length 298 [2018-11-23 13:33:39,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:39,079 INFO L480 AbstractCegarLoop]: Abstraction has 64033 states and 89115 transitions. [2018-11-23 13:33:39,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:33:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 64033 states and 89115 transitions. [2018-11-23 13:33:39,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-11-23 13:33:39,084 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:39,084 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:39,085 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:39,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:39,085 INFO L82 PathProgramCache]: Analyzing trace with hash 352880487, now seen corresponding path program 1 times [2018-11-23 13:33:39,085 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:39,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:39,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:39,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:39,088 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2018-11-23 13:33:39,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:39,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:33:39,476 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:39,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:33:39,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:33:39,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:33:39,477 INFO L87 Difference]: Start difference. First operand 64033 states and 89115 transitions. Second operand 3 states. [2018-11-23 13:33:42,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:42,690 INFO L93 Difference]: Finished difference Result 190659 states and 265253 transitions. [2018-11-23 13:33:42,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:33:42,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 358 [2018-11-23 13:33:42,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:43,069 INFO L225 Difference]: With dead ends: 190659 [2018-11-23 13:33:43,070 INFO L226 Difference]: Without dead ends: 126683 [2018-11-23 13:33:43,212 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 [2018-11-23 13:33:43,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126683 states. [2018-11-23 13:33:45,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126683 to 126655. [2018-11-23 13:33:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126655 states. [2018-11-23 13:33:46,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126655 states to 126655 states and 176159 transitions. [2018-11-23 13:33:46,286 INFO L78 Accepts]: Start accepts. Automaton has 126655 states and 176159 transitions. Word has length 358 [2018-11-23 13:33:46,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:33:46,287 INFO L480 AbstractCegarLoop]: Abstraction has 126655 states and 176159 transitions. [2018-11-23 13:33:46,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:33:46,287 INFO L276 IsEmpty]: Start isEmpty. Operand 126655 states and 176159 transitions. [2018-11-23 13:33:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-11-23 13:33:46,290 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:33:46,291 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:33:46,291 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:33:46,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:33:46,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1587699341, now seen corresponding path program 1 times [2018-11-23 13:33:46,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:33:46,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:46,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:33:46,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:33:46,294 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:33:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:33:46,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2018-11-23 13:33:46,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:33:46,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:33:46,696 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:33:46,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:33:46,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:33:46,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:33:46,697 INFO L87 Difference]: Start difference. First operand 126655 states and 176159 transitions. Second operand 6 states. [2018-11-23 13:33:57,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:33:57,121 INFO L93 Difference]: Finished difference Result 258745 states and 358945 transitions. [2018-11-23 13:33:57,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 13:33:57,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 363 [2018-11-23 13:33:57,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:33:57,507 INFO L225 Difference]: With dead ends: 258745 [2018-11-23 13:33:57,507 INFO L226 Difference]: Without dead ends: 131811 [2018-11-23 13:33:57,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:33:57,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131811 states. [2018-11-23 13:34:03,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131811 to 131210. [2018-11-23 13:34:03,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131210 states. [2018-11-23 13:34:03,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131210 states to 131210 states and 181626 transitions. [2018-11-23 13:34:04,001 INFO L78 Accepts]: Start accepts. Automaton has 131210 states and 181626 transitions. Word has length 363 [2018-11-23 13:34:04,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:34:04,002 INFO L480 AbstractCegarLoop]: Abstraction has 131210 states and 181626 transitions. [2018-11-23 13:34:04,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:34:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 131210 states and 181626 transitions. [2018-11-23 13:34:04,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-23 13:34:04,006 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:34:04,006 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:34:04,007 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:34:04,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:34:04,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1344316264, now seen corresponding path program 1 times [2018-11-23 13:34:04,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:34:04,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:04,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:34:04,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:04,011 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:34:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:34:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1223 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1223 trivial. 0 not checked. [2018-11-23 13:34:04,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:34:04,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:34:04,528 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:34:04,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:34:04,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:34:04,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:34:04,529 INFO L87 Difference]: Start difference. First operand 131210 states and 181626 transitions. Second operand 3 states. [2018-11-23 13:34:09,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:34:09,541 INFO L93 Difference]: Finished difference Result 131216 states and 181630 transitions. [2018-11-23 13:34:09,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:34:09,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 392 [2018-11-23 13:34:09,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:34:09,894 INFO L225 Difference]: With dead ends: 131216 [2018-11-23 13:34:09,895 INFO L226 Difference]: Without dead ends: 131117 [2018-11-23 13:34:09,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:34:10,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131117 states. [2018-11-23 13:34:12,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131117 to 131113. [2018-11-23 13:34:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131113 states. [2018-11-23 13:34:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131113 states to 131113 states and 181433 transitions. [2018-11-23 13:34:13,111 INFO L78 Accepts]: Start accepts. Automaton has 131113 states and 181433 transitions. Word has length 392 [2018-11-23 13:34:13,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:34:13,112 INFO L480 AbstractCegarLoop]: Abstraction has 131113 states and 181433 transitions. [2018-11-23 13:34:13,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:34:13,112 INFO L276 IsEmpty]: Start isEmpty. Operand 131113 states and 181433 transitions. [2018-11-23 13:34:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-11-23 13:34:13,117 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:34:13,118 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:34:13,118 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:34:13,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:34:13,118 INFO L82 PathProgramCache]: Analyzing trace with hash -771191561, now seen corresponding path program 1 times [2018-11-23 13:34:13,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:34:13,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:13,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:34:13,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:13,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:34:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:34:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2018-11-23 13:34:13,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:34:13,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 13:34:13,548 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:34:13,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:34:13,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:34:13,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:34:13,549 INFO L87 Difference]: Start difference. First operand 131113 states and 181433 transitions. Second operand 10 states. [2018-11-23 13:34:23,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:34:23,938 INFO L93 Difference]: Finished difference Result 262203 states and 362731 transitions. [2018-11-23 13:34:23,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 13:34:23,939 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 399 [2018-11-23 13:34:23,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:34:24,307 INFO L225 Difference]: With dead ends: 262203 [2018-11-23 13:34:24,307 INFO L226 Difference]: Without dead ends: 131356 [2018-11-23 13:34:24,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:34:24,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131356 states. [2018-11-23 13:34:29,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131356 to 131225. [2018-11-23 13:34:29,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131225 states. [2018-11-23 13:34:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131225 states to 131225 states and 181545 transitions. [2018-11-23 13:34:30,070 INFO L78 Accepts]: Start accepts. Automaton has 131225 states and 181545 transitions. Word has length 399 [2018-11-23 13:34:30,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:34:30,070 INFO L480 AbstractCegarLoop]: Abstraction has 131225 states and 181545 transitions. [2018-11-23 13:34:30,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:34:30,071 INFO L276 IsEmpty]: Start isEmpty. Operand 131225 states and 181545 transitions. [2018-11-23 13:34:30,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-11-23 13:34:30,074 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:34:30,074 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:34:30,074 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:34:30,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:34:30,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1083292608, now seen corresponding path program 1 times [2018-11-23 13:34:30,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:34:30,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:30,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:34:30,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:30,078 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:34:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:34:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1223 trivial. 0 not checked. [2018-11-23 13:34:30,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:34:30,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 13:34:30,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:34:30,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:34:30,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:34:30,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:34:30,480 INFO L87 Difference]: Start difference. First operand 131225 states and 181545 transitions. Second operand 10 states. [2018-11-23 13:34:40,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:34:40,740 INFO L93 Difference]: Finished difference Result 262427 states and 362955 transitions. [2018-11-23 13:34:40,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 13:34:40,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 422 [2018-11-23 13:34:40,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:34:41,167 INFO L225 Difference]: With dead ends: 262427 [2018-11-23 13:34:41,168 INFO L226 Difference]: Without dead ends: 131468 [2018-11-23 13:34:41,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:34:41,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131468 states. [2018-11-23 13:34:44,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131468 to 131225. [2018-11-23 13:34:44,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131225 states. [2018-11-23 13:34:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131225 states to 131225 states and 181529 transitions. [2018-11-23 13:34:44,615 INFO L78 Accepts]: Start accepts. Automaton has 131225 states and 181529 transitions. Word has length 422 [2018-11-23 13:34:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:34:44,615 INFO L480 AbstractCegarLoop]: Abstraction has 131225 states and 181529 transitions. [2018-11-23 13:34:44,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:34:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 131225 states and 181529 transitions. [2018-11-23 13:34:44,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-11-23 13:34:44,618 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:34:44,618 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:34:44,619 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:34:44,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:34:44,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1438987418, now seen corresponding path program 1 times [2018-11-23 13:34:44,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:34:44,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:44,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:34:44,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:44,622 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:34:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:34:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1223 trivial. 0 not checked. [2018-11-23 13:34:45,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:34:45,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 13:34:45,037 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:34:45,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:34:45,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:34:45,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:34:45,038 INFO L87 Difference]: Start difference. First operand 131225 states and 181529 transitions. Second operand 10 states. [2018-11-23 13:34:50,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:34:50,209 INFO L93 Difference]: Finished difference Result 197612 states and 273059 transitions. [2018-11-23 13:34:50,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 13:34:50,209 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 424 [2018-11-23 13:34:50,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:34:50,379 INFO L225 Difference]: With dead ends: 197612 [2018-11-23 13:34:50,380 INFO L226 Difference]: Without dead ends: 66821 [2018-11-23 13:34:50,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2018-11-23 13:34:50,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66821 states. [2018-11-23 13:34:51,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66821 to 64600. [2018-11-23 13:34:51,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64600 states. [2018-11-23 13:34:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64600 states to 64600 states and 89419 transitions. [2018-11-23 13:34:51,992 INFO L78 Accepts]: Start accepts. Automaton has 64600 states and 89419 transitions. Word has length 424 [2018-11-23 13:34:51,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:34:51,993 INFO L480 AbstractCegarLoop]: Abstraction has 64600 states and 89419 transitions. [2018-11-23 13:34:51,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:34:51,993 INFO L276 IsEmpty]: Start isEmpty. Operand 64600 states and 89419 transitions. [2018-11-23 13:34:52,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-11-23 13:34:52,003 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:34:52,003 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:34:52,003 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:34:52,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:34:52,003 INFO L82 PathProgramCache]: Analyzing trace with hash 332567218, now seen corresponding path program 1 times [2018-11-23 13:34:52,004 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:34:52,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:52,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:34:52,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:34:52,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:34:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:34:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1969 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1967 trivial. 0 not checked. [2018-11-23 13:34:52,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:34:52,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:34:52,784 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:34:52,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:34:52,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:34:52,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:34:52,785 INFO L87 Difference]: Start difference. First operand 64600 states and 89419 transitions. Second operand 3 states. [2018-11-23 13:34:57,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:34:57,724 INFO L93 Difference]: Finished difference Result 162687 states and 225141 transitions. [2018-11-23 13:34:57,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:34:57,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 503 [2018-11-23 13:34:57,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:34:58,032 INFO L225 Difference]: With dead ends: 162687 [2018-11-23 13:34:58,032 INFO L226 Difference]: Without dead ends: 98521 [2018-11-23 13:34:58,166 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 [2018-11-23 13:34:58,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98521 states. [2018-11-23 13:35:00,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98521 to 98484. [2018-11-23 13:35:00,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98484 states. [2018-11-23 13:35:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98484 states to 98484 states and 135759 transitions. [2018-11-23 13:35:00,580 INFO L78 Accepts]: Start accepts. Automaton has 98484 states and 135759 transitions. Word has length 503 [2018-11-23 13:35:00,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:00,581 INFO L480 AbstractCegarLoop]: Abstraction has 98484 states and 135759 transitions. [2018-11-23 13:35:00,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:35:00,581 INFO L276 IsEmpty]: Start isEmpty. Operand 98484 states and 135759 transitions. [2018-11-23 13:35:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2018-11-23 13:35:00,588 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:00,589 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:00,589 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:00,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:00,589 INFO L82 PathProgramCache]: Analyzing trace with hash -404650522, now seen corresponding path program 1 times [2018-11-23 13:35:00,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:00,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:00,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:00,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:00,591 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1969 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1969 trivial. 0 not checked. [2018-11-23 13:35:01,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:01,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:35:01,028 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:01,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:35:01,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:35:01,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:35:01,029 INFO L87 Difference]: Start difference. First operand 98484 states and 135759 transitions. Second operand 3 states. [2018-11-23 13:35:07,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:07,955 INFO L93 Difference]: Finished difference Result 196514 states and 272850 transitions. [2018-11-23 13:35:07,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:35:07,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 502 [2018-11-23 13:35:07,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:08,242 INFO L225 Difference]: With dead ends: 196514 [2018-11-23 13:35:08,242 INFO L226 Difference]: Without dead ends: 98464 [2018-11-23 13:35:08,417 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:35:08,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98464 states. [2018-11-23 13:35:10,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98464 to 97873. [2018-11-23 13:35:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97873 states. [2018-11-23 13:35:10,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97873 states to 97873 states and 133478 transitions. [2018-11-23 13:35:10,794 INFO L78 Accepts]: Start accepts. Automaton has 97873 states and 133478 transitions. Word has length 502 [2018-11-23 13:35:10,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:10,795 INFO L480 AbstractCegarLoop]: Abstraction has 97873 states and 133478 transitions. [2018-11-23 13:35:10,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:35:10,795 INFO L276 IsEmpty]: Start isEmpty. Operand 97873 states and 133478 transitions. [2018-11-23 13:35:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2018-11-23 13:35:10,809 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:10,809 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:10,809 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:10,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:10,809 INFO L82 PathProgramCache]: Analyzing trace with hash 141488749, now seen corresponding path program 1 times [2018-11-23 13:35:10,809 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:10,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:10,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:10,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:10,812 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2018-11-23 13:35:11,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:11,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:35:11,465 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:11,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:35:11,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:35:11,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:35:11,467 INFO L87 Difference]: Start difference. First operand 97873 states and 133478 transitions. Second operand 5 states. [2018-11-23 13:35:16,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:16,511 INFO L93 Difference]: Finished difference Result 195417 states and 266515 transitions. [2018-11-23 13:35:16,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:35:16,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 520 [2018-11-23 13:35:16,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:16,841 INFO L225 Difference]: With dead ends: 195417 [2018-11-23 13:35:16,842 INFO L226 Difference]: Without dead ends: 97951 [2018-11-23 13:35:17,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:35:17,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97951 states. [2018-11-23 13:35:19,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97951 to 97914. [2018-11-23 13:35:19,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97914 states. [2018-11-23 13:35:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97914 states to 97914 states and 133512 transitions. [2018-11-23 13:35:19,431 INFO L78 Accepts]: Start accepts. Automaton has 97914 states and 133512 transitions. Word has length 520 [2018-11-23 13:35:19,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:19,431 INFO L480 AbstractCegarLoop]: Abstraction has 97914 states and 133512 transitions. [2018-11-23 13:35:19,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:35:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 97914 states and 133512 transitions. [2018-11-23 13:35:19,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2018-11-23 13:35:19,444 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:19,445 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:19,445 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:19,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:19,445 INFO L82 PathProgramCache]: Analyzing trace with hash 317817006, now seen corresponding path program 1 times [2018-11-23 13:35:19,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:19,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:19,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:19,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:19,447 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2018-11-23 13:35:20,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:20,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 13:35:20,007 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:20,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 13:35:20,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 13:35:20,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:35:20,008 INFO L87 Difference]: Start difference. First operand 97914 states and 133512 transitions. Second operand 11 states. [2018-11-23 13:35:22,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:22,358 INFO L93 Difference]: Finished difference Result 196073 states and 267449 transitions. [2018-11-23 13:35:22,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 13:35:22,359 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 520 [2018-11-23 13:35:22,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:22,680 INFO L225 Difference]: With dead ends: 196073 [2018-11-23 13:35:22,680 INFO L226 Difference]: Without dead ends: 98532 [2018-11-23 13:35:22,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:35:22,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98532 states. [2018-11-23 13:35:25,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98532 to 97992. [2018-11-23 13:35:25,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97992 states. [2018-11-23 13:35:25,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97992 states to 97992 states and 133584 transitions. [2018-11-23 13:35:25,289 INFO L78 Accepts]: Start accepts. Automaton has 97992 states and 133584 transitions. Word has length 520 [2018-11-23 13:35:25,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:25,290 INFO L480 AbstractCegarLoop]: Abstraction has 97992 states and 133584 transitions. [2018-11-23 13:35:25,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 13:35:25,290 INFO L276 IsEmpty]: Start isEmpty. Operand 97992 states and 133584 transitions. [2018-11-23 13:35:25,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2018-11-23 13:35:25,304 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:25,304 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:25,304 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:25,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:25,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1687673873, now seen corresponding path program 1 times [2018-11-23 13:35:25,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:25,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:25,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:25,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:25,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1905 trivial. 0 not checked. [2018-11-23 13:35:26,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:26,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:35:26,235 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:26,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:35:26,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:35:26,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:35:26,236 INFO L87 Difference]: Start difference. First operand 97992 states and 133584 transitions. Second operand 6 states. [2018-11-23 13:35:29,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:29,088 INFO L93 Difference]: Finished difference Result 196100 states and 267332 transitions. [2018-11-23 13:35:29,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:35:29,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 520 [2018-11-23 13:35:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:29,342 INFO L225 Difference]: With dead ends: 196100 [2018-11-23 13:35:29,342 INFO L226 Difference]: Without dead ends: 98147 [2018-11-23 13:35:29,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:35:29,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98147 states. [2018-11-23 13:35:31,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98147 to 98000. [2018-11-23 13:35:31,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98000 states. [2018-11-23 13:35:31,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98000 states to 98000 states and 133593 transitions. [2018-11-23 13:35:31,584 INFO L78 Accepts]: Start accepts. Automaton has 98000 states and 133593 transitions. Word has length 520 [2018-11-23 13:35:31,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:31,584 INFO L480 AbstractCegarLoop]: Abstraction has 98000 states and 133593 transitions. [2018-11-23 13:35:31,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:35:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 98000 states and 133593 transitions. [2018-11-23 13:35:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2018-11-23 13:35:31,600 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:31,600 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:31,600 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:31,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:31,601 INFO L82 PathProgramCache]: Analyzing trace with hash 339977990, now seen corresponding path program 1 times [2018-11-23 13:35:31,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:31,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:31,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:31,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:31,604 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:32,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2130 backedges. 62 proven. 47 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2018-11-23 13:35:32,171 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:32,171 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:35:32,172 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 530 with the following transitions: [2018-11-23 13:35:32,174 INFO L202 CegarAbsIntRunner]: [197], [198], [401], [405], [406], [415], [417], [418], [419], [421], [426], [494], [496], [497], [504], [506], [507], [510], [651], [655], [657], [658], [737], [738], [739], [741], [745], [746], [853], [855], [856], [857], [859], [860], [986], [988], [993], [995], [998], [1003], [1004], [1179], [1181], [1183], [1184], [1237], [1239], [1240], [1326], [1328], [1329], [1363], [1365], [1366], [1496], [1498], [1499], [2099], [2101], [2102], [2125], [2127], [2131], [2140], [2145], [2148], [2152], [2163], [2168], [2182], [2390], [2391], [2532], [2534], [2538], [2543], [2548], [2550], [2555], [2557], [2562], [2570], [2723], [2724], [2799], [2802], [2805], [2807], [2808], [2849], [2851], [2852], [3018], [3020], [3021], [3306], [3308], [3310], [3312], [3314], [3316], [3318], [3320], [3322], [3324], [3326], [3328], [3330], [3332], [3334], [3336], [3338], [3340], [3342], [3344], [3346], [3348], [3350], [3352], [3354], [3356], [3359], [3362], [3383], [3404], [3407], [3410], [3715], [3727], [3848], [3920], [3932], [3965], [3977], [3989], [3992], [3995], [4007], [4010], [4013], [4015], [4020], [4023], [4025], [4027], [4029], [4031], [4033], [4526], [4528], [4529], [4604], [4606], [4607], [4692], [4699], [4706], [4713], [4720], [4727], [4734], [4741], [4748], [4751], [5045], [5047], [5048], [5163], [5164], [5165], [5166], [5167], [5179], [5180], [5185], [5186], [5221], [5222], [5245], [5246], [5247], [5248], [5277], [5278], [5279], [5321], [5322], [5323], [5324], [5341], [5342], [5359], [5360], [5369], [5370], [5397], [5398], [5515], [5516], [5523], [5524], [5525], [5526], [5607], [5608], [5609], [5610], [5611], [5612], [5675], [5691], [5692], [5727], [5728], [5783], [5784], [5785], [5786], [5787], [5788], [5789], [5790], [5791], [5792], [5793], [5794], [5795], [5796], [5797], [5798], [5799], [5800], [5801], [5802], [5803], [5804], [5805], [5806], [5807], [5808], [5809], [5810], [5811], [5812], [5813], [5814], [5815], [5816], [5817], [5818], [5819], [5820], [5821], [5822], [5823], [5824], [5825], [5826], [5827], [5828], [5829], [5830], [5839], [5931], [5932], [5933], [5934], [5935], [5936], [5937], [5938], [5939], [5940], [5941], [5942], [6051], [6052], [6065], [6066], [6093], [6125], [6126], [6127], [6149], [6150] [2018-11-23 13:35:32,216 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:35:32,216 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:35:38,851 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.AssumptionBuilder.constructBoogieAssumeStatement(AssumptionBuilder.java:75) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.getCachedCodeBlock(TermConjunctEvaluator.java:273) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:296) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:536) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-23 13:35:38,854 INFO L168 Benchmark]: Toolchain (without parser) took 171077.84 ms. Allocated memory was 1.0 GB in the beginning and 6.3 GB in the end (delta: 5.2 GB). Free memory was 940.2 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 5.5 GB. Max. memory is 11.5 GB. [2018-11-23 13:35:38,855 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:35:38,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3510.92 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 265.8 MB). Free memory was 940.2 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). Peak memory consumption was 325.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:38,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.49 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:38,856 INFO L168 Benchmark]: Boogie Preprocessor took 322.00 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 936.3 MB in the end (delta: 82.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:38,856 INFO L168 Benchmark]: RCFGBuilder took 16256.02 ms. Allocated memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: 827.9 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-23 13:35:38,857 INFO L168 Benchmark]: TraceAbstraction took 150897.45 ms. Allocated memory was 2.1 GB in the beginning and 6.3 GB in the end (delta: 4.1 GB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. [2018-11-23 13:35:38,860 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3510.92 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 265.8 MB). Free memory was 940.2 MB in the beginning and 1.0 GB in the end (delta: -92.8 MB). Peak memory consumption was 325.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.49 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 322.00 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 936.3 MB in the end (delta: 82.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16256.02 ms. Allocated memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: 827.9 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * TraceAbstraction took 150897.45 ms. Allocated memory was 2.1 GB in the beginning and 6.3 GB in the end (delta: 4.1 GB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 13:35:40,379 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:35:40,380 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:35:40,387 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:35:40,387 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:35:40,388 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:35:40,389 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:35:40,390 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:35:40,391 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:35:40,392 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:35:40,392 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:35:40,392 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:35:40,393 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:35:40,394 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:35:40,395 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:35:40,395 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:35:40,396 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:35:40,398 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:35:40,399 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:35:40,400 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:35:40,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:35:40,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:35:40,404 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:35:40,404 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:35:40,404 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:35:40,405 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:35:40,406 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:35:40,406 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:35:40,407 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:35:40,408 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:35:40,408 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:35:40,408 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:35:40,408 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:35:40,409 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:35:40,409 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:35:40,410 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:35:40,410 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 13:35:40,421 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:35:40,421 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:35:40,421 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:35:40,422 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:35:40,422 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:35:40,422 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:35:40,422 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:35:40,422 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:35:40,422 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:35:40,422 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:35:40,423 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:35:40,423 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:35:40,423 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:35:40,423 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:35:40,423 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:35:40,423 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 13:35:40,423 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 13:35:40,423 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:35:40,424 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:35:40,424 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:35:40,424 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:35:40,424 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:35:40,424 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:35:40,424 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:35:40,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:35:40,424 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:35:40,425 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:35:40,425 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:35:40,425 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 13:35:40,425 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:35:40,425 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 13:35:40,425 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 13:35:40,425 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 581d9c0a0cad6f6b98859a62118a390d49f25c38 [2018-11-23 13:35:40,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:35:40,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:35:40,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:35:40,464 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:35:40,464 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:35:40,464 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 13:35:40,499 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/data/21153c704/6d0f88fc2a1d4546b36dcca4896414aa/FLAG042229c99 [2018-11-23 13:35:41,128 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:35:41,128 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 13:35:41,159 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/data/21153c704/6d0f88fc2a1d4546b36dcca4896414aa/FLAG042229c99 [2018-11-23 13:35:41,483 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/data/21153c704/6d0f88fc2a1d4546b36dcca4896414aa [2018-11-23 13:35:41,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:35:41,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:35:41,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:35:41,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:35:41,490 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:35:41,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:41" (1/1) ... [2018-11-23 13:35:41,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd50f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:41, skipping insertion in model container [2018-11-23 13:35:41,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:41" (1/1) ... [2018-11-23 13:35:41,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:35:41,609 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:35:44,162 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:35:44,209 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:35:44,604 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:35:45,042 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:35:45,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45 WrapperNode [2018-11-23 13:35:45,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:35:45,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:35:45,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:35:45,043 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:35:45,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45" (1/1) ... [2018-11-23 13:35:45,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45" (1/1) ... [2018-11-23 13:35:45,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:35:45,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:35:45,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:35:45,129 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:35:45,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45" (1/1) ... [2018-11-23 13:35:45,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45" (1/1) ... [2018-11-23 13:35:45,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45" (1/1) ... [2018-11-23 13:35:45,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45" (1/1) ... [2018-11-23 13:35:45,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45" (1/1) ... [2018-11-23 13:35:45,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45" (1/1) ... [2018-11-23 13:35:45,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45" (1/1) ... [2018-11-23 13:35:45,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:35:45,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:35:45,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:35:45,346 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:35:45,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/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 [2018-11-23 13:35:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2018-11-23 13:35:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2018-11-23 13:35:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2018-11-23 13:35:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2018-11-23 13:35:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2018-11-23 13:35:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_37 [2018-11-23 13:35:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_37 [2018-11-23 13:35:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2018-11-23 13:35:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2018-11-23 13:35:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_38 [2018-11-23 13:35:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_38 [2018-11-23 13:35:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2018-11-23 13:35:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2018-11-23 13:35:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2018-11-23 13:35:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2018-11-23 13:35:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-11-23 13:35:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2018-11-23 13:35:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2018-11-23 13:35:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2018-11-23 13:35:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2018-11-23 13:35:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2018-11-23 13:35:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2018-11-23 13:35:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2018-11-23 13:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2018-11-23 13:35:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2018-11-23 13:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2018-11-23 13:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 13:35:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 13:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2018-11-23 13:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2018-11-23 13:35:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2018-11-23 13:35:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2018-11-23 13:35:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2018-11-23 13:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2018-11-23 13:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2018-11-23 13:35:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2018-11-23 13:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_26 [2018-11-23 13:35:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_26 [2018-11-23 13:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2018-11-23 13:35:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2018-11-23 13:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2018-11-23 13:35:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2018-11-23 13:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2018-11-23 13:35:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2018-11-23 13:35:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2018-11-23 13:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-23 13:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2018-11-23 13:35:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2018-11-23 13:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2018-11-23 13:35:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2018-11-23 13:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2018-11-23 13:35:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2018-11-23 13:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2018-11-23 13:35:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2018-11-23 13:35:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 13:35:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 13:35:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2018-11-23 13:35:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2018-11-23 13:35:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2018-11-23 13:35:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2018-11-23 13:35:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2018-11-23 13:35:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2018-11-23 13:35:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2018-11-23 13:35:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2018-11-23 13:35:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2018-11-23 13:35:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_unregister_device_144 [2018-11-23 13:35:45,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_unregister_device_144 [2018-11-23 13:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2018-11-23 13:35:45,399 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2018-11-23 13:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_5 [2018-11-23 13:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2018-11-23 13:35:45,399 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2018-11-23 13:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_49 [2018-11-23 13:35:45,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_49 [2018-11-23 13:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2018-11-23 13:35:45,399 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2018-11-23 13:35:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2018-11-23 13:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_42 [2018-11-23 13:35:45,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_42 [2018-11-23 13:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2018-11-23 13:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2018-11-23 13:35:45,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2018-11-23 13:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2018-11-23 13:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2018-11-23 13:35:45,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2018-11-23 13:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2018-11-23 13:35:45,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2018-11-23 13:35:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 13:35:45,401 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 13:35:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2018-11-23 13:35:45,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2018-11-23 13:35:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_48 [2018-11-23 13:35:45,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_48 [2018-11-23 13:35:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2018-11-23 13:35:45,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2018-11-23 13:35:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2018-11-23 13:35:45,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2018-11-23 13:35:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2018-11-23 13:35:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2018-11-23 13:35:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2018-11-23 13:35:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2018-11-23 13:35:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2018-11-23 13:35:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2018-11-23 13:35:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2018-11-23 13:35:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2018-11-23 13:35:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2018-11-23 13:35:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2018-11-23 13:35:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2018-11-23 13:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 13:35:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 13:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2018-11-23 13:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2018-11-23 13:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2018-11-23 13:35:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2018-11-23 13:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_4 [2018-11-23 13:35:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_4 [2018-11-23 13:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2018-11-23 13:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2018-11-23 13:35:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2018-11-23 13:35:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2018-11-23 13:35:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_41 [2018-11-23 13:35:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_41 [2018-11-23 13:35:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2018-11-23 13:35:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2018-11-23 13:35:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2018-11-23 13:35:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-23 13:35:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-23 13:35:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 13:35:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 13:35:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_show [2018-11-23 13:35:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_show [2018-11-23 13:35:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure create_serial [2018-11-23 13:35:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure create_serial [2018-11-23 13:35:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2018-11-23 13:35:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2018-11-23 13:35:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:35:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_9 [2018-11-23 13:35:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_9 [2018-11-23 13:35:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-11-23 13:35:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 13:35:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 13:35:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-23 13:35:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2018-11-23 13:35:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2018-11-23 13:35:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-23 13:35:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2018-11-23 13:35:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2018-11-23 13:35:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2018-11-23 13:35:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 13:35:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 13:35:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_exit [2018-11-23 13:35:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_exit [2018-11-23 13:35:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_init [2018-11-23 13:35:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_init [2018-11-23 13:35:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2018-11-23 13:35:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2018-11-23 13:35:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2018-11-23 13:35:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2018-11-23 13:35:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 13:35:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 13:35:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2018-11-23 13:35:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2018-11-23 13:35:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2018-11-23 13:35:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2018-11-23 13:35:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2018-11-23 13:35:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2018-11-23 13:35:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2018-11-23 13:35:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2018-11-23 13:35:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_register [2018-11-23 13:35:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_register [2018-11-23 13:35:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 13:35:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 13:35:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 13:35:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2018-11-23 13:35:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2018-11-23 13:35:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_release [2018-11-23 13:35:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_release [2018-11-23 13:35:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2018-11-23 13:35:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2018-11-23 13:35:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:35:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2018-11-23 13:35:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2018-11-23 13:35:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2018-11-23 13:35:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2018-11-23 13:35:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 13:35:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2018-11-23 13:35:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2018-11-23 13:35:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 13:35:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 13:35:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_minors [2018-11-23 13:35:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_minors [2018-11-23 13:35:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2018-11-23 13:35:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_exit [2018-11-23 13:35:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_exit [2018-11-23 13:35:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-23 13:35:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-23 13:35:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2018-11-23 13:35:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_room [2018-11-23 13:35:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_room [2018-11-23 13:35:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2018-11-23 13:35:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_init [2018-11-23 13:35:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_init [2018-11-23 13:35:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2018-11-23 13:35:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2018-11-23 13:35:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_show_dynids [2018-11-23 13:35:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2018-11-23 13:35:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2018-11-23 13:35:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2018-11-23 13:35:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2018-11-23 13:35:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2018-11-23 13:35:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2018-11-23 13:35:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2018-11-23 13:35:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2018-11-23 13:35:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2018-11-23 13:35:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2018-11-23 13:35:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2018-11-23 13:35:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2018-11-23 13:35:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2018-11-23 13:35:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_prepare_write_buffer [2018-11-23 13:35:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_prepare_write_buffer [2018-11-23 13:35:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 13:35:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 13:35:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2018-11-23 13:35:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2018-11-23 13:35:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2018-11-23 13:35:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 13:35:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2018-11-23 13:35:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2018-11-23 13:35:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:35:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:35:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 13:35:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2018-11-23 13:35:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-23 13:35:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2018-11-23 13:35:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2018-11-23 13:35:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2018-11-23 13:35:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 13:35:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 13:35:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2018-11-23 13:35:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2018-11-23 13:35:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 13:35:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2018-11-23 13:35:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2018-11-23 13:35:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-23 13:35:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2018-11-23 13:35:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2018-11-23 13:35:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-11-23 13:35:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2018-11-23 13:35:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2018-11-23 13:35:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-23 13:35:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-23 13:35:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_4 [2018-11-23 13:35:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_6 [2018-11-23 13:35:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_6 [2018-11-23 13:35:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-11-23 13:35:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 13:35:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~C_INT [2018-11-23 13:35:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~C_INT [2018-11-23 13:35:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2018-11-23 13:35:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_attribute_3 [2018-11-23 13:35:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_attribute_3 [2018-11-23 13:35:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_process_read_urb [2018-11-23 13:35:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_process_read_urb [2018-11-23 13:35:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2018-11-23 13:35:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2018-11-23 13:35:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2018-11-23 13:35:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2018-11-23 13:35:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2018-11-23 13:35:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure release_minors [2018-11-23 13:35:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure release_minors [2018-11-23 13:35:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2018-11-23 13:35:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2018-11-23 13:35:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 13:35:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 13:35:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 13:35:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2018-11-23 13:35:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2018-11-23 13:35:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-11-23 13:35:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:35:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:35:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_operations_init [2018-11-23 13:35:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_operations_init [2018-11-23 13:35:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2018-11-23 13:35:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2018-11-23 13:35:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 13:35:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 13:35:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_43 [2018-11-23 13:35:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_43 [2018-11-23 13:35:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_44 [2018-11-23 13:35:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_44 [2018-11-23 13:35:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2018-11-23 13:35:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2018-11-23 13:35:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2018-11-23 13:35:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2018-11-23 13:35:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2018-11-23 13:35:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2018-11-23 13:35:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 13:35:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2018-11-23 13:35:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2018-11-23 13:35:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2018-11-23 13:35:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2018-11-23 13:35:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2018-11-23 13:35:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2018-11-23 13:35:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 13:35:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 13:35:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_LONG~TO~VOID [2018-11-23 13:35:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_LONG~TO~VOID [2018-11-23 13:35:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2018-11-23 13:35:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2018-11-23 13:35:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 13:35:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 13:35:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 13:35:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2018-11-23 13:35:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2018-11-23 13:35:45,422 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2018-11-23 13:35:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2018-11-23 13:35:45,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2018-11-23 13:35:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2018-11-23 13:35:45,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2018-11-23 13:35:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-11-23 13:35:45,422 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-11-23 13:35:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2018-11-23 13:35:45,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2018-11-23 13:35:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2018-11-23 13:35:45,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2018-11-23 13:35:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2018-11-23 13:35:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~C_INT [2018-11-23 13:35:45,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~C_INT [2018-11-23 13:35:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2018-11-23 13:35:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2018-11-23 13:35:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2018-11-23 13:35:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2018-11-23 13:35:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2018-11-23 13:35:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 13:35:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2018-11-23 13:35:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2018-11-23 13:35:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 13:35:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 13:35:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2018-11-23 13:35:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2018-11-23 13:35:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2018-11-23 13:35:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2018-11-23 13:35:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2018-11-23 13:35:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2018-11-23 13:35:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2018-11-23 13:35:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2018-11-23 13:35:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2018-11-23 13:35:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2018-11-23 13:35:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2018-11-23 13:35:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 13:35:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 13:35:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2018-11-23 13:35:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2018-11-23 13:35:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:35:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:35:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2018-11-23 13:35:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2018-11-23 13:35:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2018-11-23 13:35:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2018-11-23 13:35:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-11-23 13:35:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2018-11-23 13:35:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2018-11-23 13:35:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2018-11-23 13:35:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_unpoison_urbs [2018-11-23 13:35:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_unpoison_urbs [2018-11-23 13:35:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destruct_7 [2018-11-23 13:35:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2018-11-23 13:35:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2018-11-23 13:35:45,428 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 13:35:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 13:35:45,428 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-23 13:35:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-23 13:35:45,428 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2018-11-23 13:35:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2018-11-23 13:35:45,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2018-11-23 13:35:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2018-11-23 13:35:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2018-11-23 13:35:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 13:35:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 13:35:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 13:35:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_45 [2018-11-23 13:35:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_45 [2018-11-23 13:35:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_47 [2018-11-23 13:35:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_47 [2018-11-23 13:35:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2018-11-23 13:35:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2018-11-23 13:35:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2018-11-23 13:35:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2018-11-23 13:35:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2018-11-23 13:35:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2018-11-23 13:35:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_register [2018-11-23 13:35:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_register [2018-11-23 13:35:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 13:35:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2018-11-23 13:35:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 13:35:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 13:35:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-23 13:35:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2018-11-23 13:35:45,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2018-11-23 13:35:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 13:35:45,431 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 13:35:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 13:35:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2018-11-23 13:35:45,431 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2018-11-23 13:35:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 13:35:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_39 [2018-11-23 13:35:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_39 [2018-11-23 13:35:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2018-11-23 13:35:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2018-11-23 13:35:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2018-11-23 13:35:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2018-11-23 13:35:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2018-11-23 13:35:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2018-11-23 13:35:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2018-11-23 13:35:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2018-11-23 13:35:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2018-11-23 13:35:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2018-11-23 13:35:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 13:35:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-23 13:35:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-23 13:35:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2018-11-23 13:35:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2018-11-23 13:35:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2018-11-23 13:35:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2018-11-23 13:35:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2018-11-23 13:35:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_register_device_143 [2018-11-23 13:35:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_register_device_143 [2018-11-23 13:35:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-23 13:35:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2018-11-23 13:35:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2018-11-23 13:35:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2018-11-23 13:35:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2018-11-23 13:35:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2018-11-23 13:35:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2018-11-23 13:35:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2018-11-23 13:35:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2018-11-23 13:35:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-11-23 13:35:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-11-23 13:35:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2018-11-23 13:35:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2018-11-23 13:35:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2018-11-23 13:35:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-11-23 13:35:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2018-11-23 13:35:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2018-11-23 13:35:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2018-11-23 13:35:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2018-11-23 13:35:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure serial_close [2018-11-23 13:35:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_close [2018-11-23 13:35:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2018-11-23 13:35:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2018-11-23 13:35:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2018-11-23 13:35:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-11-23 13:35:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2018-11-23 13:35:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2018-11-23 13:35:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_2 [2018-11-23 13:35:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_2 [2018-11-23 13:35:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2018-11-23 13:35:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2018-11-23 13:35:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2018-11-23 13:35:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2018-11-23 13:35:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-23 13:35:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2018-11-23 13:35:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2018-11-23 13:35:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2018-11-23 13:35:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2018-11-23 13:35:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2018-11-23 13:35:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2018-11-23 13:35:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2018-11-23 13:35:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2018-11-23 13:35:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2018-11-23 13:35:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2018-11-23 13:35:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2018-11-23 13:35:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-23 13:35:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-23 13:35:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2018-11-23 13:35:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2018-11-23 13:35:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_close [2018-11-23 13:35:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_close [2018-11-23 13:35:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2018-11-23 13:35:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2018-11-23 13:35:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2018-11-23 13:35:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2018-11-23 13:35:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2018-11-23 13:35:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2018-11-23 13:35:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-11-23 13:35:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-11-23 13:35:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 13:35:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure free_dynids [2018-11-23 13:35:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dynids [2018-11-23 13:35:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2018-11-23 13:35:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2018-11-23 13:35:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2018-11-23 13:35:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2018-11-23 13:35:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2018-11-23 13:35:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-23 13:35:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-23 13:35:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-23 13:35:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-23 13:35:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2018-11-23 13:35:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2018-11-23 13:35:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 13:35:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 13:35:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2018-11-23 13:35:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2018-11-23 13:35:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2018-11-23 13:35:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2018-11-23 13:35:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2018-11-23 13:35:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2018-11-23 13:35:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2018-11-23 13:35:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2018-11-23 13:35:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2018-11-23 13:35:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2018-11-23 13:35:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_wait_until_sent [2018-11-23 13:35:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_wait_until_sent [2018-11-23 13:35:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure handle_sysrq [2018-11-23 13:35:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2018-11-23 13:35:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2018-11-23 13:35:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2018-11-23 13:35:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2018-11-23 13:35:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2018-11-23 13:35:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 13:35:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 13:35:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2018-11-23 13:35:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2018-11-23 13:35:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2018-11-23 13:35:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2018-11-23 13:35:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2018-11-23 13:35:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2018-11-23 13:35:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2018-11-23 13:35:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2018-11-23 13:35:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_chars_in_buffer [2018-11-23 13:35:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_chars_in_buffer [2018-11-23 13:35:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2018-11-23 13:35:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure port_number_show [2018-11-23 13:35:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure port_number_show [2018-11-23 13:35:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure flag_buf_ptr [2018-11-23 13:35:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure flag_buf_ptr [2018-11-23 13:35:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_7 [2018-11-23 13:35:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_7 [2018-11-23 13:35:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_deregister [2018-11-23 13:35:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_deregister [2018-11-23 13:35:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2018-11-23 13:35:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2018-11-23 13:35:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2018-11-23 13:35:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2018-11-23 13:35:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2018-11-23 13:35:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_disconnect [2018-11-23 13:35:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_disconnect [2018-11-23 13:35:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2018-11-23 13:35:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2018-11-23 13:35:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2018-11-23 13:35:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2018-11-23 13:35:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2018-11-23 13:35:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2018-11-23 13:35:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_max_r [2018-11-23 13:35:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2018-11-23 13:35:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2018-11-23 13:35:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-23 13:35:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2018-11-23 13:35:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2018-11-23 13:35:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-23 13:35:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-23 13:35:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_install [2018-11-23 13:35:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2018-11-23 13:35:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2018-11-23 13:35:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure match_dynamic_id [2018-11-23 13:35:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure match_dynamic_id [2018-11-23 13:35:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2018-11-23 13:35:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2018-11-23 13:35:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2018-11-23 13:35:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2018-11-23 13:35:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_break [2018-11-23 13:35:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_break [2018-11-23 13:35:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2018-11-23 13:35:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure search_serial_device [2018-11-23 13:35:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure search_serial_device [2018-11-23 13:35:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2018-11-23 13:35:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2018-11-23 13:35:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2018-11-23 13:35:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2018-11-23 13:35:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2018-11-23 13:35:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2018-11-23 13:35:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 13:35:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 13:35:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_deregister [2018-11-23 13:35:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_deregister [2018-11-23 13:35:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2018-11-23 13:35:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2018-11-23 13:35:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_50 [2018-11-23 13:35:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_50 [2018-11-23 13:35:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_51 [2018-11-23 13:35:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_51 [2018-11-23 13:35:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-11-23 13:35:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-11-23 13:35:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2018-11-23 13:35:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2018-11-23 13:35:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 13:35:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-23 13:35:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2018-11-23 13:37:26,443 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:37:26,443 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 13:37:26,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:26 BoogieIcfgContainer [2018-11-23 13:37:26,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:37:26,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:37:26,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:37:26,447 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:37:26,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:35:41" (1/3) ... [2018-11-23 13:37:26,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d3e1bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:37:26, skipping insertion in model container [2018-11-23 13:37:26,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:45" (2/3) ... [2018-11-23 13:37:26,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d3e1bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:37:26, skipping insertion in model container [2018-11-23 13:37:26,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:26" (3/3) ... [2018-11-23 13:37:26,450 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 13:37:26,458 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:37:26,466 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:37:26,477 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:37:26,506 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:37:26,507 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:37:26,507 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:37:26,507 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:37:26,507 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:37:26,507 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:37:26,507 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:37:26,507 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:37:26,507 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:37:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states. [2018-11-23 13:37:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-23 13:37:26,567 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:26,568 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:26,570 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:26,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:26,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1732264024, now seen corresponding path program 1 times [2018-11-23 13:37:26,583 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:37:26,584 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 13:37:26,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:29,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:37:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:37:29,223 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:37:29,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:37:29,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:37:29,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:37:29,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:37:29,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:37:29,252 INFO L87 Difference]: Start difference. First operand 2510 states. Second operand 3 states. [2018-11-23 13:37:42,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:42,511 INFO L93 Difference]: Finished difference Result 7372 states and 10284 transitions. [2018-11-23 13:37:42,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:37:42,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2018-11-23 13:37:42,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:42,550 INFO L225 Difference]: With dead ends: 7372 [2018-11-23 13:37:42,550 INFO L226 Difference]: Without dead ends: 4882 [2018-11-23 13:37:42,565 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:37:42,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4882 states. [2018-11-23 13:37:42,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4882 to 4859. [2018-11-23 13:37:42,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4859 states. [2018-11-23 13:37:42,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4859 states to 4859 states and 6611 transitions. [2018-11-23 13:37:42,806 INFO L78 Accepts]: Start accepts. Automaton has 4859 states and 6611 transitions. Word has length 269 [2018-11-23 13:37:42,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:42,807 INFO L480 AbstractCegarLoop]: Abstraction has 4859 states and 6611 transitions. [2018-11-23 13:37:42,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:37:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 4859 states and 6611 transitions. [2018-11-23 13:37:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-23 13:37:42,813 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:42,814 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:42,814 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:42,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:42,814 INFO L82 PathProgramCache]: Analyzing trace with hash -879743623, now seen corresponding path program 1 times [2018-11-23 13:37:42,818 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:37:42,818 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 13:37:42,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:37:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:37:45,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:37:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:37:45,356 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:37:45,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:37:45,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:37:45,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:37:45,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:37:45,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:37:45,365 INFO L87 Difference]: Start difference. First operand 4859 states and 6611 transitions. Second operand 3 states. [2018-11-23 13:37:57,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:37:57,803 INFO L93 Difference]: Finished difference Result 13804 states and 18716 transitions. [2018-11-23 13:37:57,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:37:57,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 276 [2018-11-23 13:37:57,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:37:57,842 INFO L225 Difference]: With dead ends: 13804 [2018-11-23 13:37:57,843 INFO L226 Difference]: Without dead ends: 9002 [2018-11-23 13:37:57,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:37:57,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9002 states. [2018-11-23 13:37:58,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9002 to 8982. [2018-11-23 13:37:58,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8982 states. [2018-11-23 13:37:58,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8982 states to 8982 states and 12160 transitions. [2018-11-23 13:37:58,161 INFO L78 Accepts]: Start accepts. Automaton has 8982 states and 12160 transitions. Word has length 276 [2018-11-23 13:37:58,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:37:58,162 INFO L480 AbstractCegarLoop]: Abstraction has 8982 states and 12160 transitions. [2018-11-23 13:37:58,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:37:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 8982 states and 12160 transitions. [2018-11-23 13:37:58,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-23 13:37:58,166 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:37:58,166 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:37:58,166 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:37:58,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:37:58,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1082685350, now seen corresponding path program 1 times [2018-11-23 13:37:58,169 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:37:58,169 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 13:37:58,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:38:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:38:00,390 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:38:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:38:00,456 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:38:00,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:38:00,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:38:00,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:38:00,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:38:00,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:38:00,464 INFO L87 Difference]: Start difference. First operand 8982 states and 12160 transitions. Second operand 3 states. [2018-11-23 13:38:12,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:38:12,856 INFO L93 Difference]: Finished difference Result 25848 states and 35177 transitions. [2018-11-23 13:38:12,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:38:12,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2018-11-23 13:38:12,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:38:12,931 INFO L225 Difference]: With dead ends: 25848 [2018-11-23 13:38:12,932 INFO L226 Difference]: Without dead ends: 16923 [2018-11-23 13:38:12,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:38:12,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16923 states. [2018-11-23 13:38:13,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16923 to 16874. [2018-11-23 13:38:13,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16874 states. [2018-11-23 13:38:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16874 states to 16874 states and 23029 transitions. [2018-11-23 13:38:13,518 INFO L78 Accepts]: Start accepts. Automaton has 16874 states and 23029 transitions. Word has length 281 [2018-11-23 13:38:13,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:38:13,519 INFO L480 AbstractCegarLoop]: Abstraction has 16874 states and 23029 transitions. [2018-11-23 13:38:13,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:38:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 16874 states and 23029 transitions. [2018-11-23 13:38:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-23 13:38:13,523 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:38:13,523 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:38:13,523 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:38:13,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:38:13,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1057073064, now seen corresponding path program 1 times [2018-11-23 13:38:13,526 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:38:13,527 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5557a89-8af8-4dc6-8502-5cd0a2ef0680/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 13:38:13,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:38:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:38:15,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:38:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:38:15,888 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:38:15,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:38:15,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:38:15,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:38:15,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:38:15,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:38:15,897 INFO L87 Difference]: Start difference. First operand 16874 states and 23029 transitions. Second operand 3 states. [2018-11-23 13:38:21,385 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-23 13:38:21,386 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:651) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:255) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:270) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:715) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-11-23 13:38:21,388 INFO L168 Benchmark]: Toolchain (without parser) took 159902.47 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 932.5 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 564.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:38:21,389 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:38:21,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3556.27 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 254.3 MB). Free memory was 932.5 MB in the beginning and 1.0 GB in the end (delta: -74.5 MB). Peak memory consumption was 300.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:38:21,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.11 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 996.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:38:21,390 INFO L168 Benchmark]: Boogie Preprocessor took 216.13 ms. Allocated memory is still 1.3 GB. Free memory was 996.9 MB in the beginning and 908.1 MB in the end (delta: 88.8 MB). Peak memory consumption was 88.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:38:21,390 INFO L168 Benchmark]: RCFGBuilder took 101097.98 ms. Allocated memory was 1.3 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 908.1 MB in the beginning and 1.8 GB in the end (delta: -897.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 13:38:21,391 INFO L168 Benchmark]: TraceAbstraction took 54943.24 ms. Allocated memory was 2.4 GB in the beginning and 2.8 GB in the end (delta: 335.5 MB). Free memory was 1.8 GB in the beginning and 2.1 GB in the end (delta: -312.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:38:21,394 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3556.27 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 254.3 MB). Free memory was 932.5 MB in the beginning and 1.0 GB in the end (delta: -74.5 MB). Peak memory consumption was 300.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.11 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 996.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 216.13 ms. Allocated memory is still 1.3 GB. Free memory was 996.9 MB in the beginning and 908.1 MB in the end (delta: 88.8 MB). Peak memory consumption was 88.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 101097.98 ms. Allocated memory was 1.3 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 908.1 MB in the beginning and 1.8 GB in the end (delta: -897.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * TraceAbstraction took 54943.24 ms. Allocated memory was 2.4 GB in the beginning and 2.8 GB in the end (delta: 335.5 MB). Free memory was 1.8 GB in the beginning and 2.1 GB in the end (delta: -312.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...