./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-08_1a-drivers--usb--serial--usbserial.ko-entry_point_false-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_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/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 10c3483f2cdd1a9813770cb97451a3e6ec344d0b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/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 10c3483f2cdd1a9813770cb97451a3e6ec344d0b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:25:26,833 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:25:26,834 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:25:26,841 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:25:26,841 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:25:26,842 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:25:26,843 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:25:26,844 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:25:26,845 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:25:26,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:25:26,846 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:25:26,846 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:25:26,847 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:25:26,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:25:26,849 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:25:26,849 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:25:26,850 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:25:26,851 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:25:26,852 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:25:26,854 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:25:26,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:25:26,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:25:26,857 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:25:26,857 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:25:26,857 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:25:26,857 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:25:26,858 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:25:26,859 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:25:26,859 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:25:26,860 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:25:26,860 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:25:26,861 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:25:26,861 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:25:26,861 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:25:26,862 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:25:26,862 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:25:26,862 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 01:25:26,872 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:25:26,872 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:25:26,873 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:25:26,873 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:25:26,873 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:25:26,874 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:25:26,874 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:25:26,874 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:25:26,874 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:25:26,874 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:25:26,874 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 01:25:26,874 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:25:26,874 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:25:26,875 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:25:26,875 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:25:26,875 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:25:26,875 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:25:26,876 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:25:26,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:25:26,876 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:25:26,876 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:25:26,876 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:25:26,876 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:25:26,876 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:25:26,877 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:25:26,877 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:25:26,877 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:25:26,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:25:26,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:25:26,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:25:26,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:25:26,878 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:25:26,878 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:25:26,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:25:26,878 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:25:26,878 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 01:25:26,878 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_502f064b-ab19-42e2-afa2-18fdfd9dfac5/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 -> 10c3483f2cdd1a9813770cb97451a3e6ec344d0b [2018-11-23 01:25:26,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:25:26,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:25:26,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:25:26,911 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:25:26,911 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:25:26,911 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 01:25:26,946 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/data/e37b59a2f/1550fe4c2af9448e85674393c5defd3c/FLAGd270f16f1 [2018-11-23 01:25:27,471 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:25:27,471 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 01:25:27,501 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/data/e37b59a2f/1550fe4c2af9448e85674393c5defd3c/FLAGd270f16f1 [2018-11-23 01:25:27,977 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/data/e37b59a2f/1550fe4c2af9448e85674393c5defd3c [2018-11-23 01:25:27,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:25:27,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:25:27,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:25:27,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:25:27,985 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:25:27,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:27" (1/1) ... [2018-11-23 01:25:27,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be3ffa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:27, skipping insertion in model container [2018-11-23 01:25:27,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:27" (1/1) ... [2018-11-23 01:25:27,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:25:28,075 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:25:29,639 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:25:29,679 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:25:29,958 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:25:30,295 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:25:30,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30 WrapperNode [2018-11-23 01:25:30,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:25:30,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:25:30,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:25:30,296 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:25:30,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30" (1/1) ... [2018-11-23 01:25:30,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30" (1/1) ... [2018-11-23 01:25:30,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:25:30,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:25:30,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:25:30,375 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:25:30,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30" (1/1) ... [2018-11-23 01:25:30,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30" (1/1) ... [2018-11-23 01:25:30,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30" (1/1) ... [2018-11-23 01:25:30,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30" (1/1) ... [2018-11-23 01:25:30,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30" (1/1) ... [2018-11-23 01:25:30,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30" (1/1) ... [2018-11-23 01:25:30,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30" (1/1) ... [2018-11-23 01:25:30,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:25:30,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:25:30,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:25:30,639 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:25:30,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/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 01:25:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2018-11-23 01:25:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_24 [2018-11-23 01:25:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_24 [2018-11-23 01:25:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2018-11-23 01:25:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2018-11-23 01:25:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2018-11-23 01:25:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2018-11-23 01:25:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2018-11-23 01:25:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2018-11-23 01:25:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2018-11-23 01:25:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2018-11-23 01:25:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2018-11-23 01:25:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2018-11-23 01:25:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2018-11-23 01:25:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2018-11-23 01:25:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2018-11-23 01:25:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2018-11-23 01:25:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-11-23 01:25:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2018-11-23 01:25:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2018-11-23 01:25:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2018-11-23 01:25:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2018-11-23 01:25:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_21 [2018-11-23 01:25:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_21 [2018-11-23 01:25:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2018-11-23 01:25:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2018-11-23 01:25:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2018-11-23 01:25:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2018-11-23 01:25:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2018-11-23 01:25:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 01:25:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 01:25:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2018-11-23 01:25:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 01:25:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 01:25:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2018-11-23 01:25:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2018-11-23 01:25:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2018-11-23 01:25:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2018-11-23 01:25:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2018-11-23 01:25:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2018-11-23 01:25:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2018-11-23 01:25:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2018-11-23 01:25:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2018-11-23 01:25:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2018-11-23 01:25:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2018-11-23 01:25:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2018-11-23 01:25:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2018-11-23 01:25:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2018-11-23 01:25:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2018-11-23 01:25:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2018-11-23 01:25:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2018-11-23 01:25:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-11-23 01:25:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-11-23 01:25:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2018-11-23 01:25:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-23 01:25:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2018-11-23 01:25:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2018-11-23 01:25:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2018-11-23 01:25:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2018-11-23 01:25:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 01:25:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 01:25:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2018-11-23 01:25:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2018-11-23 01:25:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2018-11-23 01:25:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2018-11-23 01:25:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2018-11-23 01:25:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2018-11-23 01:25:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2018-11-23 01:25:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2018-11-23 01:25:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2018-11-23 01:25:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2018-11-23 01:25:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_25 [2018-11-23 01:25:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_25 [2018-11-23 01:25:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_26 [2018-11-23 01:25:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_26 [2018-11-23 01:25:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2018-11-23 01:25:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2018-11-23 01:25:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2018-11-23 01:25:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2018-11-23 01:25:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2018-11-23 01:25:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2018-11-23 01:25:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2018-11-23 01:25:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_5 [2018-11-23 01:25:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_22 [2018-11-23 01:25:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_22 [2018-11-23 01:25:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2018-11-23 01:25:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2018-11-23 01:25:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2018-11-23 01:25:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2018-11-23 01:25:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2018-11-23 01:25:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2018-11-23 01:25:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2018-11-23 01:25:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2018-11-23 01:25:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2018-11-23 01:25:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2018-11-23 01:25:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 01:25:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2018-11-23 01:25:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2018-11-23 01:25:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 01:25:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 01:25:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2018-11-23 01:25:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2018-11-23 01:25:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2018-11-23 01:25:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2018-11-23 01:25:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2018-11-23 01:25:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2018-11-23 01:25:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2018-11-23 01:25:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2018-11-23 01:25:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2018-11-23 01:25:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2018-11-23 01:25:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2018-11-23 01:25:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2018-11-23 01:25:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2018-11-23 01:25:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2018-11-23 01:25:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2018-11-23 01:25:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2018-11-23 01:25:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 01:25:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 01:25:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 01:25:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 01:25:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2018-11-23 01:25:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2018-11-23 01:25:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2018-11-23 01:25:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2018-11-23 01:25:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2018-11-23 01:25:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2018-11-23 01:25:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2018-11-23 01:25:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2018-11-23 01:25:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:25:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:25:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2018-11-23 01:25:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2018-11-23 01:25:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2018-11-23 01:25:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2018-11-23 01:25:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2018-11-23 01:25:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2018-11-23 01:25:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2018-11-23 01:25:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2018-11-23 01:25:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2018-11-23 01:25:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2018-11-23 01:25:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2018-11-23 01:25:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2018-11-23 01:25:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_unpoison_urbs [2018-11-23 01:25:30,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_unpoison_urbs [2018-11-23 01:25:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2018-11-23 01:25:30,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2018-11-23 01:25:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 01:25:30,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 01:25:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2018-11-23 01:25:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destruct_7 [2018-11-23 01:25:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2018-11-23 01:25:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2018-11-23 01:25:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2018-11-23 01:25:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2018-11-23 01:25:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2018-11-23 01:25:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 01:25:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 01:25:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_4 [2018-11-23 01:25:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_4 [2018-11-23 01:25:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-23 01:25:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-23 01:25:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2018-11-23 01:25:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2018-11-23 01:25:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2018-11-23 01:25:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2018-11-23 01:25:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2018-11-23 01:25:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2018-11-23 01:25:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2018-11-23 01:25:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2018-11-23 01:25:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 01:25:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 01:25:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 01:25:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2018-11-23 01:25:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2018-11-23 01:25:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2018-11-23 01:25:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2018-11-23 01:25:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2018-11-23 01:25:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-23 01:25:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-23 01:25:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2018-11-23 01:25:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2018-11-23 01:25:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2018-11-23 01:25:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2018-11-23 01:25:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 01:25:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 01:25:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2018-11-23 01:25:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2018-11-23 01:25:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_show [2018-11-23 01:25:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_show [2018-11-23 01:25:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_register [2018-11-23 01:25:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_register [2018-11-23 01:25:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure create_serial [2018-11-23 01:25:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure create_serial [2018-11-23 01:25:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 01:25:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2018-11-23 01:25:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2018-11-23 01:25:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2018-11-23 01:25:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 01:25:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 01:25:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:25:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2018-11-23 01:25:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2018-11-23 01:25:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_9 [2018-11-23 01:25:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_9 [2018-11-23 01:25:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 01:25:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2018-11-23 01:25:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2018-11-23 01:25:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2018-11-23 01:25:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_20 [2018-11-23 01:25:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_20 [2018-11-23 01:25:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2018-11-23 01:25:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2018-11-23 01:25:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-23 01:25:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2018-11-23 01:25:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2018-11-23 01:25:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2018-11-23 01:25:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 01:25:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-23 01:25:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-23 01:25:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2018-11-23 01:25:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2018-11-23 01:25:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2018-11-23 01:25:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2018-11-23 01:25:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2018-11-23 01:25:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2018-11-23 01:25:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2018-11-23 01:25:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 01:25:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 01:25:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-23 01:25:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_exit [2018-11-23 01:25:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_exit [2018-11-23 01:25:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_init [2018-11-23 01:25:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_init [2018-11-23 01:25:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2018-11-23 01:25:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-11-23 01:25:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2018-11-23 01:25:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2018-11-23 01:25:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2018-11-23 01:25:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2018-11-23 01:25:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2018-11-23 01:25:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-11-23 01:25:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-11-23 01:25:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2018-11-23 01:25:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2018-11-23 01:25:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2018-11-23 01:25:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2018-11-23 01:25:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2018-11-23 01:25:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-11-23 01:25:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 01:25:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 01:25:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2018-11-23 01:25:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2018-11-23 01:25:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2018-11-23 01:25:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure serial_close [2018-11-23 01:25:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_close [2018-11-23 01:25:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2018-11-23 01:25:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2018-11-23 01:25:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2018-11-23 01:25:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2018-11-23 01:25:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-11-23 01:25:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2018-11-23 01:25:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2018-11-23 01:25:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_2 [2018-11-23 01:25:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_2 [2018-11-23 01:25:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2018-11-23 01:25:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2018-11-23 01:25:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_register [2018-11-23 01:25:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_register [2018-11-23 01:25:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2018-11-23 01:25:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 01:25:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 01:25:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 01:25:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2018-11-23 01:25:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2018-11-23 01:25:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_unregister_device_63 [2018-11-23 01:25:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_unregister_device_63 [2018-11-23 01:25:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 01:25:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2018-11-23 01:25:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2018-11-23 01:25:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2018-11-23 01:25:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_release [2018-11-23 01:25:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_release [2018-11-23 01:25:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2018-11-23 01:25:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2018-11-23 01:25:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2018-11-23 01:25:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:25:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2018-11-23 01:25:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2018-11-23 01:25:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2018-11-23 01:25:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2018-11-23 01:25:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 01:25:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2018-11-23 01:25:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2018-11-23 01:25:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 01:25:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-23 01:25:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2018-11-23 01:25:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2018-11-23 01:25:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2018-11-23 01:25:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2018-11-23 01:25:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2018-11-23 01:25:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2018-11-23 01:25:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2018-11-23 01:25:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2018-11-23 01:25:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2018-11-23 01:25:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 01:25:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 01:25:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2018-11-23 01:25:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_minors [2018-11-23 01:25:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_minors [2018-11-23 01:25:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2018-11-23 01:25:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2018-11-23 01:25:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-23 01:25:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-23 01:25:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2018-11-23 01:25:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2018-11-23 01:25:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_close [2018-11-23 01:25:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_close [2018-11-23 01:25:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2018-11-23 01:25:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2018-11-23 01:25:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2018-11-23 01:25:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_exit [2018-11-23 01:25:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_exit [2018-11-23 01:25:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-23 01:25:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-23 01:25:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2018-11-23 01:25:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2018-11-23 01:25:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2018-11-23 01:25:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_room [2018-11-23 01:25:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_room [2018-11-23 01:25:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2018-11-23 01:25:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_init [2018-11-23 01:25:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_init [2018-11-23 01:25:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2018-11-23 01:25:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2018-11-23 01:25:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_show_dynids [2018-11-23 01:25:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-11-23 01:25:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-11-23 01:25:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2018-11-23 01:25:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 01:25:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2018-11-23 01:25:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2018-11-23 01:25:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure free_dynids [2018-11-23 01:25:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dynids [2018-11-23 01:25:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 01:25:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2018-11-23 01:25:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2018-11-23 01:25:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2018-11-23 01:25:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2018-11-23 01:25:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2018-11-23 01:25:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2018-11-23 01:25:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2018-11-23 01:25:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2018-11-23 01:25:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2018-11-23 01:25:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2018-11-23 01:25:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2018-11-23 01:25:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2018-11-23 01:25:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2018-11-23 01:25:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 01:25:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 01:25:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2018-11-23 01:25:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2018-11-23 01:25:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2018-11-23 01:25:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2018-11-23 01:25:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2018-11-23 01:25:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2018-11-23 01:25:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2018-11-23 01:25:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2018-11-23 01:25:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_prepare_write_buffer [2018-11-23 01:25:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_prepare_write_buffer [2018-11-23 01:25:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2018-11-23 01:25:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2018-11-23 01:25:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2018-11-23 01:25:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2018-11-23 01:25:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 01:25:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 01:25:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_wait_until_sent [2018-11-23 01:25:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_wait_until_sent [2018-11-23 01:25:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure handle_sysrq [2018-11-23 01:25:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2018-11-23 01:25:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2018-11-23 01:25:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2018-11-23 01:25:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2018-11-23 01:25:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2018-11-23 01:25:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 01:25:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 01:25:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2018-11-23 01:25:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2018-11-23 01:25:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2018-11-23 01:25:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2018-11-23 01:25:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2018-11-23 01:25:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2018-11-23 01:25:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2018-11-23 01:25:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2018-11-23 01:25:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2018-11-23 01:25:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2018-11-23 01:25:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2018-11-23 01:25:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 01:25:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2018-11-23 01:25:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2018-11-23 01:25:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_chars_in_buffer [2018-11-23 01:25:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_chars_in_buffer [2018-11-23 01:25:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2018-11-23 01:25:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure port_number_show [2018-11-23 01:25:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure port_number_show [2018-11-23 01:25:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-23 01:25:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-23 01:25:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:25:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:25:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure flag_buf_ptr [2018-11-23 01:25:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure flag_buf_ptr [2018-11-23 01:25:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_7 [2018-11-23 01:25:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_7 [2018-11-23 01:25:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 01:25:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2018-11-23 01:25:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-23 01:25:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_deregister [2018-11-23 01:25:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_deregister [2018-11-23 01:25:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2018-11-23 01:25:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2018-11-23 01:25:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2018-11-23 01:25:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2018-11-23 01:25:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2018-11-23 01:25:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2018-11-23 01:25:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_disconnect [2018-11-23 01:25:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_disconnect [2018-11-23 01:25:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2018-11-23 01:25:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2018-11-23 01:25:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 01:25:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 01:25:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_10 [2018-11-23 01:25:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_10 [2018-11-23 01:25:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2018-11-23 01:25:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2018-11-23 01:25:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2018-11-23 01:25:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2018-11-23 01:25:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_13 [2018-11-23 01:25:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_13 [2018-11-23 01:25:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 01:25:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2018-11-23 01:25:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2018-11-23 01:25:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2018-11-23 01:25:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2018-11-23 01:25:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2018-11-23 01:25:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_max_r [2018-11-23 01:25:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2018-11-23 01:25:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-23 01:25:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-23 01:25:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2018-11-23 01:25:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2018-11-23 01:25:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-23 01:25:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-23 01:25:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_install [2018-11-23 01:25:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-11-23 01:25:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_16 [2018-11-23 01:25:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_16 [2018-11-23 01:25:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2018-11-23 01:25:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2018-11-23 01:25:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2018-11-23 01:25:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2018-11-23 01:25:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_14 [2018-11-23 01:25:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_14 [2018-11-23 01:25:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_12 [2018-11-23 01:25:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_12 [2018-11-23 01:25:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2018-11-23 01:25:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2018-11-23 01:25:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2018-11-23 01:25:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2018-11-23 01:25:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_register_device_62 [2018-11-23 01:25:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_register_device_62 [2018-11-23 01:25:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-23 01:25:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-23 01:25:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure match_dynamic_id [2018-11-23 01:25:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure match_dynamic_id [2018-11-23 01:25:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2018-11-23 01:25:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2018-11-23 01:25:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2018-11-23 01:25:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2018-11-23 01:25:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_4 [2018-11-23 01:25:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_6 [2018-11-23 01:25:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_6 [2018-11-23 01:25:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_19 [2018-11-23 01:25:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_19 [2018-11-23 01:25:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_18 [2018-11-23 01:25:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_18 [2018-11-23 01:25:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_17 [2018-11-23 01:25:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_17 [2018-11-23 01:25:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_break [2018-11-23 01:25:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_break [2018-11-23 01:25:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-11-23 01:25:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2018-11-23 01:25:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure search_serial_device [2018-11-23 01:25:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure search_serial_device [2018-11-23 01:25:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 01:25:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2018-11-23 01:25:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2018-11-23 01:25:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2018-11-23 01:25:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2018-11-23 01:25:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2018-11-23 01:25:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_attribute_3 [2018-11-23 01:25:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_attribute_3 [2018-11-23 01:25:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_process_read_urb [2018-11-23 01:25:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_process_read_urb [2018-11-23 01:25:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2018-11-23 01:25:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2018-11-23 01:25:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 01:25:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 01:25:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2018-11-23 01:25:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2018-11-23 01:25:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-11-23 01:25:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-11-23 01:25:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_deregister [2018-11-23 01:25:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_deregister [2018-11-23 01:25:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2018-11-23 01:25:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2018-11-23 01:25:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2018-11-23 01:25:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2018-11-23 01:25:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2018-11-23 01:25:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure release_minors [2018-11-23 01:25:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure release_minors [2018-11-23 01:25:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2018-11-23 01:25:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2018-11-23 01:25:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 01:25:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 01:25:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 01:25:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:25:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-11-23 01:25:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-11-23 01:25:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2018-11-23 01:25:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2018-11-23 01:25:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2018-11-23 01:25:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2018-11-23 01:25:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 01:25:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-23 01:25:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-11-23 01:25:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:25:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:25:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_operations_init [2018-11-23 01:25:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_operations_init [2018-11-23 01:25:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2018-11-23 01:25:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2018-11-23 01:25:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2018-11-23 01:25:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 01:25:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 01:25:47,878 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:25:47,878 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 01:25:47,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:47 BoogieIcfgContainer [2018-11-23 01:25:47,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:25:47,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:25:47,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:25:47,881 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:25:47,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:25:27" (1/3) ... [2018-11-23 01:25:47,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a32010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:25:47, skipping insertion in model container [2018-11-23 01:25:47,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:30" (2/3) ... [2018-11-23 01:25:47,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a32010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:25:47, skipping insertion in model container [2018-11-23 01:25:47,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:47" (3/3) ... [2018-11-23 01:25:47,884 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 01:25:47,891 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:25:47,898 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:25:47,908 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:25:47,939 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:25:47,939 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:25:47,939 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:25:47,939 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:25:47,939 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:25:47,939 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:25:47,939 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:25:47,939 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:25:47,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states. [2018-11-23 01:25:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-23 01:25:48,001 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:25:48,002 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 01:25:48,003 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:25:48,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:25:48,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1992255269, now seen corresponding path program 1 times [2018-11-23 01:25:48,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:25:48,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:25:48,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:25:48,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:25:48,074 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:25:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:25:49,317 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 01:25:49,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:25:49,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:25:49,319 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:25:49,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:25:49,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:25:49,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:25:49,332 INFO L87 Difference]: Start difference. First operand 2392 states. Second operand 3 states. [2018-11-23 01:25:49,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:25:49,549 INFO L93 Difference]: Finished difference Result 7049 states and 9760 transitions. [2018-11-23 01:25:49,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:25:49,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2018-11-23 01:25:49,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:25:49,577 INFO L225 Difference]: With dead ends: 7049 [2018-11-23 01:25:49,577 INFO L226 Difference]: Without dead ends: 4665 [2018-11-23 01:25:49,588 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 01:25:49,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4665 states. [2018-11-23 01:25:49,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4665 to 4662. [2018-11-23 01:25:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4662 states. [2018-11-23 01:25:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4662 states to 4662 states and 6365 transitions. [2018-11-23 01:25:49,748 INFO L78 Accepts]: Start accepts. Automaton has 4662 states and 6365 transitions. Word has length 294 [2018-11-23 01:25:49,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:25:49,749 INFO L480 AbstractCegarLoop]: Abstraction has 4662 states and 6365 transitions. [2018-11-23 01:25:49,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:25:49,749 INFO L276 IsEmpty]: Start isEmpty. Operand 4662 states and 6365 transitions. [2018-11-23 01:25:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-23 01:25:49,758 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:25:49,758 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:25:49,758 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:25:49,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:25:49,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1538686084, now seen corresponding path program 1 times [2018-11-23 01:25:49,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:25:49,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:25:49,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:25:49,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:25:49,763 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:25:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:25:50,160 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 01:25:50,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:25:50,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:25:50,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:25:50,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:25:50,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:25:50,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:25:50,163 INFO L87 Difference]: Start difference. First operand 4662 states and 6365 transitions. Second operand 3 states. [2018-11-23 01:25:51,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:25:51,166 INFO L93 Difference]: Finished difference Result 13794 states and 18987 transitions. [2018-11-23 01:25:51,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:25:51,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 319 [2018-11-23 01:25:51,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:25:51,197 INFO L225 Difference]: With dead ends: 13794 [2018-11-23 01:25:51,198 INFO L226 Difference]: Without dead ends: 9189 [2018-11-23 01:25:51,210 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 01:25:51,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9189 states. [2018-11-23 01:25:51,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9189 to 9171. [2018-11-23 01:25:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9171 states. [2018-11-23 01:25:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9171 states to 9171 states and 12681 transitions. [2018-11-23 01:25:51,409 INFO L78 Accepts]: Start accepts. Automaton has 9171 states and 12681 transitions. Word has length 319 [2018-11-23 01:25:51,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:25:51,410 INFO L480 AbstractCegarLoop]: Abstraction has 9171 states and 12681 transitions. [2018-11-23 01:25:51,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:25:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 9171 states and 12681 transitions. [2018-11-23 01:25:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-23 01:25:51,416 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:25:51,416 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:25:51,416 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:25:51,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:25:51,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1404119079, now seen corresponding path program 1 times [2018-11-23 01:25:51,417 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:25:51,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:25:51,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:25:51,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:25:51,420 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:25:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:25:51,776 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 01:25:51,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:25:51,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:25:51,777 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:25:51,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:25:51,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:25:51,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:25:51,778 INFO L87 Difference]: Start difference. First operand 9171 states and 12681 transitions. Second operand 3 states. [2018-11-23 01:25:53,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:25:53,046 INFO L93 Difference]: Finished difference Result 26219 states and 36115 transitions. [2018-11-23 01:25:53,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:25:53,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2018-11-23 01:25:53,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:25:53,110 INFO L225 Difference]: With dead ends: 26219 [2018-11-23 01:25:53,110 INFO L226 Difference]: Without dead ends: 17105 [2018-11-23 01:25:53,137 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 01:25:53,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17105 states. [2018-11-23 01:25:53,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17105 to 17093. [2018-11-23 01:25:53,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17093 states. [2018-11-23 01:25:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17093 states to 17093 states and 23499 transitions. [2018-11-23 01:25:53,723 INFO L78 Accepts]: Start accepts. Automaton has 17093 states and 23499 transitions. Word has length 311 [2018-11-23 01:25:53,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:25:53,724 INFO L480 AbstractCegarLoop]: Abstraction has 17093 states and 23499 transitions. [2018-11-23 01:25:53,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:25:53,724 INFO L276 IsEmpty]: Start isEmpty. Operand 17093 states and 23499 transitions. [2018-11-23 01:25:53,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-11-23 01:25:53,730 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:25:53,730 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:53,730 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:25:53,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:25:53,730 INFO L82 PathProgramCache]: Analyzing trace with hash -935096064, now seen corresponding path program 1 times [2018-11-23 01:25:53,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:25:53,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:25:53,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:25:53,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:25:53,734 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:25:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:25:54,123 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 01:25:54,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:25:54,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:25:54,123 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:25:54,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:25:54,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:25:54,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:25:54,124 INFO L87 Difference]: Start difference. First operand 17093 states and 23499 transitions. Second operand 3 states. [2018-11-23 01:25:55,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:25:55,773 INFO L93 Difference]: Finished difference Result 49324 states and 68235 transitions. [2018-11-23 01:25:55,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:25:55,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2018-11-23 01:25:55,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:25:55,932 INFO L225 Difference]: With dead ends: 49324 [2018-11-23 01:25:55,932 INFO L226 Difference]: Without dead ends: 32288 [2018-11-23 01:25:55,994 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 01:25:56,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32288 states. [2018-11-23 01:25:56,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32288 to 32217. [2018-11-23 01:25:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32217 states. [2018-11-23 01:25:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32217 states to 32217 states and 44714 transitions. [2018-11-23 01:25:57,053 INFO L78 Accepts]: Start accepts. Automaton has 32217 states and 44714 transitions. Word has length 330 [2018-11-23 01:25:57,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:25:57,054 INFO L480 AbstractCegarLoop]: Abstraction has 32217 states and 44714 transitions. [2018-11-23 01:25:57,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:25:57,054 INFO L276 IsEmpty]: Start isEmpty. Operand 32217 states and 44714 transitions. [2018-11-23 01:25:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-11-23 01:25:57,073 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:25:57,073 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] [2018-11-23 01:25:57,073 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:25:57,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:25:57,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1955887408, now seen corresponding path program 1 times [2018-11-23 01:25:57,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:25:57,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:25:57,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:25:57,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:25:57,078 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:25:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:25:57,921 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 01:25:57,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:25:57,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:25:57,921 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:25:57,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:25:57,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:25:57,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:25:57,922 INFO L87 Difference]: Start difference. First operand 32217 states and 44714 transitions. Second operand 6 states. [2018-11-23 01:26:06,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:26:06,246 INFO L93 Difference]: Finished difference Result 96153 states and 133526 transitions. [2018-11-23 01:26:06,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 01:26:06,246 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 394 [2018-11-23 01:26:06,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:26:06,454 INFO L225 Difference]: With dead ends: 96153 [2018-11-23 01:26:06,454 INFO L226 Difference]: Without dead ends: 63825 [2018-11-23 01:26:06,526 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 01:26:06,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63825 states. [2018-11-23 01:26:07,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63825 to 63691. [2018-11-23 01:26:07,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63691 states. [2018-11-23 01:26:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63691 states to 63691 states and 88471 transitions. [2018-11-23 01:26:08,007 INFO L78 Accepts]: Start accepts. Automaton has 63691 states and 88471 transitions. Word has length 394 [2018-11-23 01:26:08,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:26:08,007 INFO L480 AbstractCegarLoop]: Abstraction has 63691 states and 88471 transitions. [2018-11-23 01:26:08,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:26:08,008 INFO L276 IsEmpty]: Start isEmpty. Operand 63691 states and 88471 transitions. [2018-11-23 01:26:08,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-11-23 01:26:08,023 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:26:08,023 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:26:08,024 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:26:08,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:26:08,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1786660720, now seen corresponding path program 1 times [2018-11-23 01:26:08,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:26:08,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:08,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:26:08,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:08,028 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:26:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:08,567 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 01:26:08,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:26:08,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:26:08,567 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:26:08,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:26:08,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:26:08,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:26:08,568 INFO L87 Difference]: Start difference. First operand 63691 states and 88471 transitions. Second operand 3 states. [2018-11-23 01:26:11,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:26:11,397 INFO L93 Difference]: Finished difference Result 189643 states and 263333 transitions. [2018-11-23 01:26:11,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:26:11,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 395 [2018-11-23 01:26:11,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:26:11,735 INFO L225 Difference]: With dead ends: 189643 [2018-11-23 01:26:11,735 INFO L226 Difference]: Without dead ends: 126009 [2018-11-23 01:26:11,840 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 01:26:11,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126009 states. [2018-11-23 01:26:16,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126009 to 125999. [2018-11-23 01:26:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125999 states. [2018-11-23 01:26:16,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125999 states to 125999 states and 174901 transitions. [2018-11-23 01:26:16,586 INFO L78 Accepts]: Start accepts. Automaton has 125999 states and 174901 transitions. Word has length 395 [2018-11-23 01:26:16,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:26:16,587 INFO L480 AbstractCegarLoop]: Abstraction has 125999 states and 174901 transitions. [2018-11-23 01:26:16,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:26:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 125999 states and 174901 transitions. [2018-11-23 01:26:16,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-11-23 01:26:16,595 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:26:16,595 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, 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] [2018-11-23 01:26:16,595 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:26:16,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:26:16,596 INFO L82 PathProgramCache]: Analyzing trace with hash 2082144175, now seen corresponding path program 1 times [2018-11-23 01:26:16,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:26:16,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:16,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:26:16,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:16,599 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:26:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2018-11-23 01:26:17,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:26:17,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 01:26:17,062 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:26:17,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:26:17,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:26:17,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:26:17,063 INFO L87 Difference]: Start difference. First operand 125999 states and 174901 transitions. Second operand 10 states. [2018-11-23 01:26:26,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:26:26,513 INFO L93 Difference]: Finished difference Result 252318 states and 350154 transitions. [2018-11-23 01:26:26,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 01:26:26,514 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 424 [2018-11-23 01:26:26,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:26:26,819 INFO L225 Difference]: With dead ends: 252318 [2018-11-23 01:26:26,819 INFO L226 Difference]: Without dead ends: 126208 [2018-11-23 01:26:26,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:26:27,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126208 states. [2018-11-23 01:26:28,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126208 to 126111. [2018-11-23 01:26:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126111 states. [2018-11-23 01:26:29,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126111 states to 126111 states and 175013 transitions. [2018-11-23 01:26:29,630 INFO L78 Accepts]: Start accepts. Automaton has 126111 states and 175013 transitions. Word has length 424 [2018-11-23 01:26:29,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:26:29,630 INFO L480 AbstractCegarLoop]: Abstraction has 126111 states and 175013 transitions. [2018-11-23 01:26:29,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:26:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 126111 states and 175013 transitions. [2018-11-23 01:26:29,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2018-11-23 01:26:29,643 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:26:29,644 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, 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] [2018-11-23 01:26:29,644 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:26:29,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:26:29,644 INFO L82 PathProgramCache]: Analyzing trace with hash -672471943, now seen corresponding path program 1 times [2018-11-23 01:26:29,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:26:29,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:29,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:26:29,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:29,648 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:26:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:30,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1242 trivial. 0 not checked. [2018-11-23 01:26:30,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:26:30,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:26:30,045 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:26:30,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:26:30,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:26:30,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:26:30,046 INFO L87 Difference]: Start difference. First operand 126111 states and 175013 transitions. Second operand 3 states. [2018-11-23 01:26:32,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:26:32,225 INFO L93 Difference]: Finished difference Result 189460 states and 262868 transitions. [2018-11-23 01:26:32,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:26:32,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 447 [2018-11-23 01:26:32,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:26:32,391 INFO L225 Difference]: With dead ends: 189460 [2018-11-23 01:26:32,391 INFO L226 Difference]: Without dead ends: 63406 [2018-11-23 01:26:32,567 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 01:26:32,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63406 states. [2018-11-23 01:26:34,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63406 to 63353. [2018-11-23 01:26:34,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63353 states. [2018-11-23 01:26:34,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63353 states to 63353 states and 87843 transitions. [2018-11-23 01:26:34,223 INFO L78 Accepts]: Start accepts. Automaton has 63353 states and 87843 transitions. Word has length 447 [2018-11-23 01:26:34,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:26:34,223 INFO L480 AbstractCegarLoop]: Abstraction has 63353 states and 87843 transitions. [2018-11-23 01:26:34,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:26:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 63353 states and 87843 transitions. [2018-11-23 01:26:34,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2018-11-23 01:26:34,237 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:26:34,237 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:26:34,237 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:26:34,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:26:34,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1580665190, now seen corresponding path program 1 times [2018-11-23 01:26:34,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:26:34,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:34,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:26:34,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:34,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:26:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:34,767 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 01:26:34,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:26:34,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:26:34,768 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:26:34,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:26:34,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:26:34,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:26:34,769 INFO L87 Difference]: Start difference. First operand 63353 states and 87843 transitions. Second operand 3 states. [2018-11-23 01:26:39,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:26:39,192 INFO L93 Difference]: Finished difference Result 159839 states and 221611 transitions. [2018-11-23 01:26:39,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:26:39,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 514 [2018-11-23 01:26:39,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:26:39,454 INFO L225 Difference]: With dead ends: 159839 [2018-11-23 01:26:39,454 INFO L226 Difference]: Without dead ends: 96543 [2018-11-23 01:26:39,568 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 01:26:39,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96543 states. [2018-11-23 01:26:41,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96543 to 96525. [2018-11-23 01:26:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96525 states. [2018-11-23 01:26:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96525 states to 96525 states and 133319 transitions. [2018-11-23 01:26:41,823 INFO L78 Accepts]: Start accepts. Automaton has 96525 states and 133319 transitions. Word has length 514 [2018-11-23 01:26:41,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:26:41,824 INFO L480 AbstractCegarLoop]: Abstraction has 96525 states and 133319 transitions. [2018-11-23 01:26:41,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:26:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 96525 states and 133319 transitions. [2018-11-23 01:26:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2018-11-23 01:26:41,845 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:26:41,845 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, 1, 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 01:26:41,845 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:26:41,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:26:41,845 INFO L82 PathProgramCache]: Analyzing trace with hash 2138415711, now seen corresponding path program 1 times [2018-11-23 01:26:41,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:26:41,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:41,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:26:41,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:41,849 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:26:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:42,565 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 01:26:42,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:26:42,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:26:42,565 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:26:42,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:26:42,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:26:42,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:26:42,566 INFO L87 Difference]: Start difference. First operand 96525 states and 133319 transitions. Second operand 4 states. [2018-11-23 01:26:45,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:26:45,037 INFO L93 Difference]: Finished difference Result 193137 states and 268752 transitions. [2018-11-23 01:26:45,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:26:45,038 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 528 [2018-11-23 01:26:45,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:26:45,301 INFO L225 Difference]: With dead ends: 193137 [2018-11-23 01:26:45,301 INFO L226 Difference]: Without dead ends: 96573 [2018-11-23 01:26:45,452 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:26:45,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96573 states. [2018-11-23 01:26:49,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96573 to 96525. [2018-11-23 01:26:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96525 states. [2018-11-23 01:26:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96525 states to 96525 states and 133271 transitions. [2018-11-23 01:26:49,888 INFO L78 Accepts]: Start accepts. Automaton has 96525 states and 133271 transitions. Word has length 528 [2018-11-23 01:26:49,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:26:49,889 INFO L480 AbstractCegarLoop]: Abstraction has 96525 states and 133271 transitions. [2018-11-23 01:26:49,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:26:49,889 INFO L276 IsEmpty]: Start isEmpty. Operand 96525 states and 133271 transitions. [2018-11-23 01:26:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2018-11-23 01:26:49,905 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:26:49,905 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:26:49,905 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:26:49,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:26:49,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1703239069, now seen corresponding path program 1 times [2018-11-23 01:26:49,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:26:49,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:49,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:26:49,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:49,908 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:26:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:50,403 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 01:26:50,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:26:50,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:26:50,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:26:50,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:26:50,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:26:50,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:26:50,404 INFO L87 Difference]: Start difference. First operand 96525 states and 133271 transitions. Second operand 5 states. [2018-11-23 01:26:52,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:26:52,230 INFO L93 Difference]: Finished difference Result 193137 states and 268656 transitions. [2018-11-23 01:26:52,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:26:52,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 514 [2018-11-23 01:26:52,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:26:52,474 INFO L225 Difference]: With dead ends: 193137 [2018-11-23 01:26:52,474 INFO L226 Difference]: Without dead ends: 96573 [2018-11-23 01:26:52,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:26:52,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96573 states. [2018-11-23 01:26:54,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96573 to 96525. [2018-11-23 01:26:54,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96525 states. [2018-11-23 01:26:54,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96525 states to 96525 states and 133223 transitions. [2018-11-23 01:26:54,557 INFO L78 Accepts]: Start accepts. Automaton has 96525 states and 133223 transitions. Word has length 514 [2018-11-23 01:26:54,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:26:54,558 INFO L480 AbstractCegarLoop]: Abstraction has 96525 states and 133223 transitions. [2018-11-23 01:26:54,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:26:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 96525 states and 133223 transitions. [2018-11-23 01:26:54,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2018-11-23 01:26:54,571 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:26:54,571 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, 1, 1, 1, 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 01:26:54,572 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:26:54,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:26:54,572 INFO L82 PathProgramCache]: Analyzing trace with hash -594360358, now seen corresponding path program 1 times [2018-11-23 01:26:54,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:26:54,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:54,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:26:54,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:54,575 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:26:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:55,107 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 01:26:55,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:26:55,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:26:55,107 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:26:55,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:26:55,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:26:55,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:26:55,107 INFO L87 Difference]: Start difference. First operand 96525 states and 133223 transitions. Second operand 5 states. [2018-11-23 01:26:57,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:26:57,020 INFO L93 Difference]: Finished difference Result 193137 states and 268560 transitions. [2018-11-23 01:26:57,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:26:57,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 530 [2018-11-23 01:26:57,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:26:57,255 INFO L225 Difference]: With dead ends: 193137 [2018-11-23 01:26:57,255 INFO L226 Difference]: Without dead ends: 96573 [2018-11-23 01:26:57,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:26:57,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96573 states. [2018-11-23 01:26:58,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96573 to 96525. [2018-11-23 01:26:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96525 states. [2018-11-23 01:26:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96525 states to 96525 states and 133175 transitions. [2018-11-23 01:26:59,466 INFO L78 Accepts]: Start accepts. Automaton has 96525 states and 133175 transitions. Word has length 530 [2018-11-23 01:26:59,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:26:59,466 INFO L480 AbstractCegarLoop]: Abstraction has 96525 states and 133175 transitions. [2018-11-23 01:26:59,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:26:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 96525 states and 133175 transitions. [2018-11-23 01:26:59,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2018-11-23 01:26:59,477 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:26:59,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:26:59,478 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:26:59,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:26:59,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1363316472, now seen corresponding path program 1 times [2018-11-23 01:26:59,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:26:59,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:59,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:26:59,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:26:59,481 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:26:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:26:59,972 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 01:26:59,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:26:59,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:26:59,972 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:26:59,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:26:59,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:26:59,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:26:59,973 INFO L87 Difference]: Start difference. First operand 96525 states and 133175 transitions. Second operand 7 states. [2018-11-23 01:27:01,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:27:01,622 INFO L93 Difference]: Finished difference Result 193531 states and 268816 transitions. [2018-11-23 01:27:01,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:27:01,622 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 516 [2018-11-23 01:27:01,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:27:02,193 INFO L225 Difference]: With dead ends: 193531 [2018-11-23 01:27:02,194 INFO L226 Difference]: Without dead ends: 97063 [2018-11-23 01:27:02,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:27:02,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97063 states. [2018-11-23 01:27:03,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97063 to 97039. [2018-11-23 01:27:03,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97039 states. [2018-11-23 01:27:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97039 states to 97039 states and 133909 transitions. [2018-11-23 01:27:03,912 INFO L78 Accepts]: Start accepts. Automaton has 97039 states and 133909 transitions. Word has length 516 [2018-11-23 01:27:03,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:27:03,913 INFO L480 AbstractCegarLoop]: Abstraction has 97039 states and 133909 transitions. [2018-11-23 01:27:03,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:27:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand 97039 states and 133909 transitions. [2018-11-23 01:27:03,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2018-11-23 01:27:03,926 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:27:03,927 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, 1, 1, 1, 1, 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 01:27:03,927 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:27:03,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:27:03,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1504799253, now seen corresponding path program 1 times [2018-11-23 01:27:03,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:27:03,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:03,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:27:03,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:03,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:27:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:27:04,558 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 01:27:04,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:27:04,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:27:04,559 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:27:04,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:27:04,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:27:04,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:27:04,559 INFO L87 Difference]: Start difference. First operand 97039 states and 133909 transitions. Second operand 3 states. [2018-11-23 01:27:06,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:27:06,190 INFO L93 Difference]: Finished difference Result 193625 states and 269106 transitions. [2018-11-23 01:27:06,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:27:06,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 531 [2018-11-23 01:27:06,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:27:06,461 INFO L225 Difference]: With dead ends: 193625 [2018-11-23 01:27:06,461 INFO L226 Difference]: Without dead ends: 96643 [2018-11-23 01:27:06,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:27:06,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96643 states. [2018-11-23 01:27:10,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96643 to 96525. [2018-11-23 01:27:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96525 states. [2018-11-23 01:27:10,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96525 states to 96525 states and 133107 transitions. [2018-11-23 01:27:10,483 INFO L78 Accepts]: Start accepts. Automaton has 96525 states and 133107 transitions. Word has length 531 [2018-11-23 01:27:10,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:27:10,484 INFO L480 AbstractCegarLoop]: Abstraction has 96525 states and 133107 transitions. [2018-11-23 01:27:10,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:27:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 96525 states and 133107 transitions. [2018-11-23 01:27:10,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2018-11-23 01:27:10,500 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:27:10,501 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:27:10,501 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:27:10,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:27:10,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1888034391, now seen corresponding path program 1 times [2018-11-23 01:27:10,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:27:10,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:10,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:27:10,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:10,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:27:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:27:11,241 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 01:27:11,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:27:11,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:27:11,241 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:27:11,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:27:11,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:27:11,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:27:11,242 INFO L87 Difference]: Start difference. First operand 96525 states and 133107 transitions. Second operand 7 states. [2018-11-23 01:27:38,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:27:38,687 INFO L93 Difference]: Finished difference Result 166478 states and 240041 transitions. [2018-11-23 01:27:38,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 01:27:38,688 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 537 [2018-11-23 01:27:38,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:27:39,116 INFO L225 Difference]: With dead ends: 166478 [2018-11-23 01:27:39,116 INFO L226 Difference]: Without dead ends: 166475 [2018-11-23 01:27:39,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:27:39,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166475 states. [2018-11-23 01:27:41,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166475 to 166414. [2018-11-23 01:27:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166414 states. [2018-11-23 01:27:42,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166414 states to 166414 states and 239941 transitions. [2018-11-23 01:27:42,480 INFO L78 Accepts]: Start accepts. Automaton has 166414 states and 239941 transitions. Word has length 537 [2018-11-23 01:27:42,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:27:42,480 INFO L480 AbstractCegarLoop]: Abstraction has 166414 states and 239941 transitions. [2018-11-23 01:27:42,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:27:42,481 INFO L276 IsEmpty]: Start isEmpty. Operand 166414 states and 239941 transitions. [2018-11-23 01:27:42,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2018-11-23 01:27:42,495 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:27:42,495 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:27:42,496 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:27:42,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:27:42,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1877491322, now seen corresponding path program 1 times [2018-11-23 01:27:42,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:27:42,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:42,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:27:42,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:42,499 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:27:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:27:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1976 trivial. 0 not checked. [2018-11-23 01:27:43,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:27:43,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:27:43,531 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:27:43,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:27:43,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:27:43,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:27:43,532 INFO L87 Difference]: Start difference. First operand 166414 states and 239941 transitions. Second operand 5 states. [2018-11-23 01:27:49,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:27:49,896 INFO L93 Difference]: Finished difference Result 333536 states and 480941 transitions. [2018-11-23 01:27:49,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:27:49,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 521 [2018-11-23 01:27:49,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:27:50,331 INFO L225 Difference]: With dead ends: 333536 [2018-11-23 01:27:50,332 INFO L226 Difference]: Without dead ends: 167104 [2018-11-23 01:27:50,576 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 01:27:50,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167104 states. [2018-11-23 01:27:53,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167104 to 167000. [2018-11-23 01:27:53,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167000 states. [2018-11-23 01:27:54,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167000 states to 167000 states and 240635 transitions. [2018-11-23 01:27:54,061 INFO L78 Accepts]: Start accepts. Automaton has 167000 states and 240635 transitions. Word has length 521 [2018-11-23 01:27:54,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:27:54,062 INFO L480 AbstractCegarLoop]: Abstraction has 167000 states and 240635 transitions. [2018-11-23 01:27:54,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:27:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 167000 states and 240635 transitions. [2018-11-23 01:27:54,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2018-11-23 01:27:54,075 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:27:54,076 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 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, 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 01:27:54,076 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:27:54,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:27:54,076 INFO L82 PathProgramCache]: Analyzing trace with hash -2146528326, now seen corresponding path program 1 times [2018-11-23 01:27:54,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:27:54,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:54,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:27:54,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:27:54,078 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:27:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:27:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1987 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1985 trivial. 0 not checked. [2018-11-23 01:27:54,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:27:54,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 01:27:54,794 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:27:54,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 01:27:54,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 01:27:54,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:27:54,795 INFO L87 Difference]: Start difference. First operand 167000 states and 240635 transitions. Second operand 11 states. [2018-11-23 01:28:00,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:28:00,426 INFO L93 Difference]: Finished difference Result 334461 states and 482688 transitions. [2018-11-23 01:28:00,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 01:28:00,426 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 535 [2018-11-23 01:28:00,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:28:01,011 INFO L225 Difference]: With dead ends: 334461 [2018-11-23 01:28:01,011 INFO L226 Difference]: Without dead ends: 167888 [2018-11-23 01:28:01,318 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 01:28:01,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167888 states. [2018-11-23 01:28:04,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167888 to 167444. [2018-11-23 01:28:04,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167444 states. [2018-11-23 01:28:04,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167444 states to 167444 states and 241463 transitions. [2018-11-23 01:28:04,807 INFO L78 Accepts]: Start accepts. Automaton has 167444 states and 241463 transitions. Word has length 535 [2018-11-23 01:28:04,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:28:04,808 INFO L480 AbstractCegarLoop]: Abstraction has 167444 states and 241463 transitions. [2018-11-23 01:28:04,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 01:28:04,808 INFO L276 IsEmpty]: Start isEmpty. Operand 167444 states and 241463 transitions. [2018-11-23 01:28:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2018-11-23 01:28:04,823 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:28:04,824 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:28:04,824 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:28:04,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:28:04,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1008024888, now seen corresponding path program 1 times [2018-11-23 01:28:04,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:28:04,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:04,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:28:04,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:28:04,827 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:28:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:28:05,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 1901 trivial. 0 not checked. [2018-11-23 01:28:05,743 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:28:05,743 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:28:05,743 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 522 with the following transitions: [2018-11-23 01:28:05,745 INFO L202 CegarAbsIntRunner]: [0], [2], [3], [115], [117], [120], [125], [127], [133], [134], [135], [137], [138], [177], [178], [357], [361], [362], [367], [370], [373], [383], [385], [386], [474], [477], [478], [611], [617], [618], [689], [690], [691], [693], [697], [698], [795], [797], [798], [799], [801], [802], [933], [934], [1135], [1137], [1139], [1140], [1152], [1154], [1155], [1215], [1217], [1220], [1224], [1228], [1233], [1235], [1240], [1242], [1243], [1380], [1382], [1383], [1991], [1993], [1994], [2019], [2021], [2025], [2034], [2039], [2042], [2045], [2076], [2273], [2274], [2418], [2420], [2424], [2429], [2434], [2436], [2441], [2443], [2448], [2456], [2573], [2575], [2576], [2577], [2578], [2738], [2740], [2741], [2884], [2886], [2887], [3175], [3177], [3179], [3181], [3183], [3185], [3187], [3189], [3191], [3193], [3195], [3197], [3199], [3201], [3203], [3205], [3207], [3209], [3211], [3213], [3215], [3217], [3219], [3221], [3223], [3225], [3228], [3231], [3252], [3273], [3294], [3315], [3334], [3355], [3376], [3397], [3418], [3431], [3434], [3437], [3584], [3596], [3717], [3789], [3801], [3834], [3846], [3858], [3861], [3864], [3876], [3879], [3882], [3884], [3889], [3892], [3894], [3896], [3898], [3900], [3902], [4312], [4314], [4315], [4322], [4416], [4418], [4419], [4503], [4505], [4506], [4908], [4910], [4911], [4912], [4913], [4962], [4963], [4964], [4965], [4966], [4967], [4970], [4971], [5000], [5002], [5003], [5046], [5047], [5068], [5069], [5070], [5071], [5136], [5137], [5138], [5139], [5146], [5147], [5156], [5157], [5158], [5159], [5160], [5162], [5163], [5190], [5191], [5314], [5315], [5322], [5323], [5324], [5325], [5396], [5397], [5398], [5399], [5400], [5401], [5428], [5429], [5474], [5475], [5498], [5499], [5554], [5555], [5556], [5557], [5558], [5559], [5560], [5561], [5562], [5563], [5564], [5565], [5566], [5567], [5568], [5569], [5570], [5571], [5572], [5573], [5574], [5575], [5576], [5577], [5578], [5579], [5580], [5581], [5582], [5583], [5584], [5585], [5586], [5587], [5588], [5589], [5590], [5591], [5592], [5593], [5594], [5595], [5596], [5597], [5598], [5599], [5600], [5601], [5638], [5702], [5703], [5704], [5705], [5706], [5707], [5708], [5709], [5710], [5711], [5712], [5713], [5812], [5813], [5818], [5836], [5837], [5856], [5857], [5904], [5905], [5906], [5928], [5929] [2018-11-23 01:28:05,793 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:28:05,793 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:28:12,072 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 01:28:12,075 INFO L168 Benchmark]: Toolchain (without parser) took 164094.45 ms. Allocated memory was 1.0 GB in the beginning and 6.5 GB in the end (delta: 5.4 GB). Free memory was 945.4 MB in the beginning and 1.9 GB in the end (delta: -988.4 MB). Peak memory consumption was 4.8 GB. Max. memory is 11.5 GB. [2018-11-23 01:28:12,076 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:28:12,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2313.71 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 282.6 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 324.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:28:12,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.77 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:28:12,077 INFO L168 Benchmark]: Boogie Preprocessor took 263.48 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:28:12,077 INFO L168 Benchmark]: RCFGBuilder took 17240.27 ms. Allocated memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: 770.7 MB). Free memory was 1.0 GB in the beginning and 946.7 MB in the end (delta: 91.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-23 01:28:12,077 INFO L168 Benchmark]: TraceAbstraction took 144195.10 ms. Allocated memory was 2.1 GB in the beginning and 6.5 GB in the end (delta: 4.4 GB). Free memory was 946.7 MB in the beginning and 1.9 GB in the end (delta: -987.1 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-11-23 01:28:12,080 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2313.71 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 282.6 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 324.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.77 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 263.48 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 17240.27 ms. Allocated memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: 770.7 MB). Free memory was 1.0 GB in the beginning and 946.7 MB in the end (delta: 91.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * TraceAbstraction took 144195.10 ms. Allocated memory was 2.1 GB in the beginning and 6.5 GB in the end (delta: 4.4 GB). Free memory was 946.7 MB in the beginning and 1.9 GB in the end (delta: -987.1 MB). Peak memory consumption was 3.8 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 01:28:13,716 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:28:13,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:28:13,727 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:28:13,727 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:28:13,728 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:28:13,729 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:28:13,730 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:28:13,731 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:28:13,731 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:28:13,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:28:13,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:28:13,734 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:28:13,734 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:28:13,735 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:28:13,735 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:28:13,736 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:28:13,738 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:28:13,739 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:28:13,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:28:13,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:28:13,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:28:13,743 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:28:13,743 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:28:13,743 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:28:13,744 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:28:13,744 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:28:13,745 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:28:13,746 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:28:13,746 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:28:13,746 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:28:13,747 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:28:13,747 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:28:13,747 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:28:13,748 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:28:13,748 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:28:13,748 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 01:28:13,759 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:28:13,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:28:13,760 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:28:13,760 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:28:13,760 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:28:13,760 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:28:13,760 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:28:13,760 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:28:13,760 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:28:13,761 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:28:13,762 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:28:13,762 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:28:13,762 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:28:13,762 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:28:13,762 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:28:13,763 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 01:28:13,763 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 01:28:13,763 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:28:13,763 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:28:13,763 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:28:13,763 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:28:13,763 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:28:13,763 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:28:13,764 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:28:13,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:28:13,764 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:28:13,764 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:28:13,764 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:28:13,764 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 01:28:13,764 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:28:13,764 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 01:28:13,766 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 01:28:13,767 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_502f064b-ab19-42e2-afa2-18fdfd9dfac5/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 -> 10c3483f2cdd1a9813770cb97451a3e6ec344d0b [2018-11-23 01:28:13,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:28:13,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:28:13,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:28:13,807 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:28:13,807 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:28:13,808 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 01:28:13,850 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/data/37b5a496b/586b0055ee29466891bf3fe0300df762/FLAG51282ff93 [2018-11-23 01:28:14,378 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:28:14,379 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 01:28:14,408 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/data/37b5a496b/586b0055ee29466891bf3fe0300df762/FLAG51282ff93 [2018-11-23 01:28:14,607 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/data/37b5a496b/586b0055ee29466891bf3fe0300df762 [2018-11-23 01:28:14,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:28:14,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:28:14,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:28:14,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:28:14,614 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:28:14,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:14" (1/1) ... [2018-11-23 01:28:14,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec2a32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:14, skipping insertion in model container [2018-11-23 01:28:14,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:14" (1/1) ... [2018-11-23 01:28:14,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:28:14,706 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:28:16,669 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:28:16,718 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:28:17,039 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:28:17,541 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:28:17,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17 WrapperNode [2018-11-23 01:28:17,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:28:17,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:28:17,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:28:17,542 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:28:17,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17" (1/1) ... [2018-11-23 01:28:17,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17" (1/1) ... [2018-11-23 01:28:17,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:28:17,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:28:17,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:28:17,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:28:17,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17" (1/1) ... [2018-11-23 01:28:17,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17" (1/1) ... [2018-11-23 01:28:17,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17" (1/1) ... [2018-11-23 01:28:17,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17" (1/1) ... [2018-11-23 01:28:17,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17" (1/1) ... [2018-11-23 01:28:17,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17" (1/1) ... [2018-11-23 01:28:17,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17" (1/1) ... [2018-11-23 01:28:17,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:28:17,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:28:17,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:28:17,890 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:28:17,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/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 01:28:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2018-11-23 01:28:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_24 [2018-11-23 01:28:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_24 [2018-11-23 01:28:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2018-11-23 01:28:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2018-11-23 01:28:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2018-11-23 01:28:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2018-11-23 01:28:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2018-11-23 01:28:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2018-11-23 01:28:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2018-11-23 01:28:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2018-11-23 01:28:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-11-23 01:28:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_21 [2018-11-23 01:28:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_21 [2018-11-23 01:28:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2018-11-23 01:28:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2018-11-23 01:28:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2018-11-23 01:28:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2018-11-23 01:28:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 01:28:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 01:28:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2018-11-23 01:28:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2018-11-23 01:28:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2018-11-23 01:28:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2018-11-23 01:28:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2018-11-23 01:28:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2018-11-23 01:28:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2018-11-23 01:28:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2018-11-23 01:28:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2018-11-23 01:28:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2018-11-23 01:28:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2018-11-23 01:28:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-23 01:28:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2018-11-23 01:28:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2018-11-23 01:28:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 01:28:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 01:28:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2018-11-23 01:28:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2018-11-23 01:28:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2018-11-23 01:28:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2018-11-23 01:28:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2018-11-23 01:28:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2018-11-23 01:28:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2018-11-23 01:28:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2018-11-23 01:28:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2018-11-23 01:28:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_5 [2018-11-23 01:28:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2018-11-23 01:28:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2018-11-23 01:28:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2018-11-23 01:28:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2018-11-23 01:28:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2018-11-23 01:28:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2018-11-23 01:28:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2018-11-23 01:28:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2018-11-23 01:28:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2018-11-23 01:28:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2018-11-23 01:28:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2018-11-23 01:28:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2018-11-23 01:28:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2018-11-23 01:28:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 01:28:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 01:28:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2018-11-23 01:28:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2018-11-23 01:28:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2018-11-23 01:28:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2018-11-23 01:28:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2018-11-23 01:28:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2018-11-23 01:28:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2018-11-23 01:28:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2018-11-23 01:28:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2018-11-23 01:28:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2018-11-23 01:28:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2018-11-23 01:28:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2018-11-23 01:28:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2018-11-23 01:28:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 01:28:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 01:28:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2018-11-23 01:28:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2018-11-23 01:28:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2018-11-23 01:28:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2018-11-23 01:28:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_4 [2018-11-23 01:28:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_4 [2018-11-23 01:28:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2018-11-23 01:28:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2018-11-23 01:28:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2018-11-23 01:28:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2018-11-23 01:28:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2018-11-23 01:28:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2018-11-23 01:28:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2018-11-23 01:28:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-23 01:28:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-23 01:28:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 01:28:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 01:28:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_show [2018-11-23 01:28:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_show [2018-11-23 01:28:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure create_serial [2018-11-23 01:28:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure create_serial [2018-11-23 01:28:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2018-11-23 01:28:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2018-11-23 01:28:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:28:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_9 [2018-11-23 01:28:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_9 [2018-11-23 01:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-11-23 01:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 01:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 01:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-23 01:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2018-11-23 01:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2018-11-23 01:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_20 [2018-11-23 01:28:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_20 [2018-11-23 01:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-11-23 01:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2018-11-23 01:28:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2018-11-23 01:28:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2018-11-23 01:28:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 01:28:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 01:28:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_exit [2018-11-23 01:28:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_exit [2018-11-23 01:28:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_init [2018-11-23 01:28:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_init [2018-11-23 01:28:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2018-11-23 01:28:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2018-11-23 01:28:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2018-11-23 01:28:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2018-11-23 01:28:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 01:28:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 01:28:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2018-11-23 01:28:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2018-11-23 01:28:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2018-11-23 01:28:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2018-11-23 01:28:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2018-11-23 01:28:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2018-11-23 01:28:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2018-11-23 01:28:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2018-11-23 01:28:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_register [2018-11-23 01:28:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_register [2018-11-23 01:28:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 01:28:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 01:28:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 01:28:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_unregister_device_63 [2018-11-23 01:28:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_unregister_device_63 [2018-11-23 01:28:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2018-11-23 01:28:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2018-11-23 01:28:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_release [2018-11-23 01:28:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_release [2018-11-23 01:28:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2018-11-23 01:28:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2018-11-23 01:28:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:28:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2018-11-23 01:28:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2018-11-23 01:28:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2018-11-23 01:28:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2018-11-23 01:28:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 01:28:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2018-11-23 01:28:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2018-11-23 01:28:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 01:28:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 01:28:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_minors [2018-11-23 01:28:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_minors [2018-11-23 01:28:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2018-11-23 01:28:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_exit [2018-11-23 01:28:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_exit [2018-11-23 01:28:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-23 01:28:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-23 01:28:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2018-11-23 01:28:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_room [2018-11-23 01:28:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_room [2018-11-23 01:28:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2018-11-23 01:28:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_init [2018-11-23 01:28:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_init [2018-11-23 01:28:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2018-11-23 01:28:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2018-11-23 01:28:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_show_dynids [2018-11-23 01:28:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2018-11-23 01:28:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2018-11-23 01:28:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2018-11-23 01:28:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2018-11-23 01:28:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2018-11-23 01:28:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2018-11-23 01:28:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2018-11-23 01:28:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2018-11-23 01:28:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2018-11-23 01:28:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2018-11-23 01:28:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2018-11-23 01:28:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2018-11-23 01:28:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2018-11-23 01:28:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_prepare_write_buffer [2018-11-23 01:28:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_prepare_write_buffer [2018-11-23 01:28:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 01:28:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 01:28:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2018-11-23 01:28:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2018-11-23 01:28:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2018-11-23 01:28:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 01:28:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2018-11-23 01:28:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2018-11-23 01:28:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-23 01:28:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-23 01:28:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:28:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:28:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 01:28:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2018-11-23 01:28:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-23 01:28:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2018-11-23 01:28:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2018-11-23 01:28:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2018-11-23 01:28:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 01:28:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-23 01:28:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2018-11-23 01:28:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2018-11-23 01:28:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 01:28:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2018-11-23 01:28:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2018-11-23 01:28:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-23 01:28:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2018-11-23 01:28:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2018-11-23 01:28:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-11-23 01:28:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_16 [2018-11-23 01:28:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_16 [2018-11-23 01:28:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2018-11-23 01:28:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2018-11-23 01:28:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2018-11-23 01:28:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2018-11-23 01:28:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_14 [2018-11-23 01:28:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_14 [2018-11-23 01:28:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_12 [2018-11-23 01:28:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_12 [2018-11-23 01:28:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2018-11-23 01:28:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2018-11-23 01:28:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-23 01:28:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-23 01:28:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_4 [2018-11-23 01:28:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_6 [2018-11-23 01:28:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_6 [2018-11-23 01:28:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_19 [2018-11-23 01:28:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_19 [2018-11-23 01:28:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_18 [2018-11-23 01:28:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_18 [2018-11-23 01:28:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_17 [2018-11-23 01:28:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_17 [2018-11-23 01:28:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-11-23 01:28:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 01:28:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~C_INT [2018-11-23 01:28:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~C_INT [2018-11-23 01:28:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2018-11-23 01:28:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_attribute_3 [2018-11-23 01:28:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_attribute_3 [2018-11-23 01:28:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_process_read_urb [2018-11-23 01:28:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_process_read_urb [2018-11-23 01:28:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2018-11-23 01:28:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2018-11-23 01:28:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2018-11-23 01:28:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2018-11-23 01:28:17,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2018-11-23 01:28:17,966 INFO L130 BoogieDeclarations]: Found specification of procedure release_minors [2018-11-23 01:28:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure release_minors [2018-11-23 01:28:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2018-11-23 01:28:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2018-11-23 01:28:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-11-23 01:28:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-11-23 01:28:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 01:28:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2018-11-23 01:28:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2018-11-23 01:28:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-11-23 01:28:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:28:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:28:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_operations_init [2018-11-23 01:28:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_operations_init [2018-11-23 01:28:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2018-11-23 01:28:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2018-11-23 01:28:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 01:28:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 01:28:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2018-11-23 01:28:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2018-11-23 01:28:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 01:28:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2018-11-23 01:28:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2018-11-23 01:28:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2018-11-23 01:28:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2018-11-23 01:28:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2018-11-23 01:28:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2018-11-23 01:28:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 01:28:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 01:28:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_LONG~TO~VOID [2018-11-23 01:28:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_LONG~TO~VOID [2018-11-23 01:28:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2018-11-23 01:28:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2018-11-23 01:28:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 01:28:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 01:28:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 01:28:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2018-11-23 01:28:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2018-11-23 01:28:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2018-11-23 01:28:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2018-11-23 01:28:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2018-11-23 01:28:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2018-11-23 01:28:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2018-11-23 01:28:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-11-23 01:28:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-11-23 01:28:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2018-11-23 01:28:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2018-11-23 01:28:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2018-11-23 01:28:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2018-11-23 01:28:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~C_INT [2018-11-23 01:28:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~C_INT [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_25 [2018-11-23 01:28:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_25 [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_26 [2018-11-23 01:28:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_26 [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2018-11-23 01:28:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_22 [2018-11-23 01:28:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_22 [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2018-11-23 01:28:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2018-11-23 01:28:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2018-11-23 01:28:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 01:28:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2018-11-23 01:28:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2018-11-23 01:28:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2018-11-23 01:28:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2018-11-23 01:28:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2018-11-23 01:28:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 01:28:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2018-11-23 01:28:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:28:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:28:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2018-11-23 01:28:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2018-11-23 01:28:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2018-11-23 01:28:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2018-11-23 01:28:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2018-11-23 01:28:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_unpoison_urbs [2018-11-23 01:28:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_unpoison_urbs [2018-11-23 01:28:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destruct_7 [2018-11-23 01:28:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2018-11-23 01:28:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2018-11-23 01:28:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 01:28:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 01:28:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-23 01:28:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-23 01:28:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2018-11-23 01:28:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2018-11-23 01:28:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2018-11-23 01:28:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2018-11-23 01:28:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 01:28:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2018-11-23 01:28:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 01:28:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2018-11-23 01:28:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2018-11-23 01:28:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2018-11-23 01:28:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2018-11-23 01:28:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2018-11-23 01:28:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2018-11-23 01:28:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_register [2018-11-23 01:28:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_register [2018-11-23 01:28:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 01:28:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2018-11-23 01:28:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 01:28:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 01:28:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-23 01:28:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2018-11-23 01:28:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2018-11-23 01:28:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 01:28:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 01:28:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 01:28:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2018-11-23 01:28:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2018-11-23 01:28:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 01:28:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2018-11-23 01:28:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2018-11-23 01:28:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2018-11-23 01:28:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 01:28:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-23 01:28:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-23 01:28:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2018-11-23 01:28:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2018-11-23 01:28:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2018-11-23 01:28:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2018-11-23 01:28:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2018-11-23 01:28:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-23 01:28:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2018-11-23 01:28:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-11-23 01:28:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2018-11-23 01:28:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2018-11-23 01:28:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2018-11-23 01:28:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2018-11-23 01:28:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2018-11-23 01:28:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-11-23 01:28:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-11-23 01:28:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2018-11-23 01:28:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2018-11-23 01:28:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2018-11-23 01:28:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-11-23 01:28:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2018-11-23 01:28:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2018-11-23 01:28:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure serial_close [2018-11-23 01:28:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_close [2018-11-23 01:28:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2018-11-23 01:28:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-11-23 01:28:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2018-11-23 01:28:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2018-11-23 01:28:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_2 [2018-11-23 01:28:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_2 [2018-11-23 01:28:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2018-11-23 01:28:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2018-11-23 01:28:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2018-11-23 01:28:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2018-11-23 01:28:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-23 01:28:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2018-11-23 01:28:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2018-11-23 01:28:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2018-11-23 01:28:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2018-11-23 01:28:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2018-11-23 01:28:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2018-11-23 01:28:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2018-11-23 01:28:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2018-11-23 01:28:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2018-11-23 01:28:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2018-11-23 01:28:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2018-11-23 01:28:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-23 01:28:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-23 01:28:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2018-11-23 01:28:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2018-11-23 01:28:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_close [2018-11-23 01:28:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_close [2018-11-23 01:28:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2018-11-23 01:28:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2018-11-23 01:28:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2018-11-23 01:28:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2018-11-23 01:28:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2018-11-23 01:28:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2018-11-23 01:28:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-11-23 01:28:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-11-23 01:28:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 01:28:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure free_dynids [2018-11-23 01:28:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dynids [2018-11-23 01:28:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2018-11-23 01:28:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2018-11-23 01:28:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2018-11-23 01:28:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2018-11-23 01:28:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2018-11-23 01:28:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-23 01:28:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-23 01:28:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-23 01:28:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-23 01:28:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2018-11-23 01:28:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2018-11-23 01:28:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 01:28:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 01:28:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2018-11-23 01:28:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2018-11-23 01:28:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2018-11-23 01:28:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2018-11-23 01:28:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2018-11-23 01:28:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2018-11-23 01:28:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2018-11-23 01:28:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2018-11-23 01:28:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_wait_until_sent [2018-11-23 01:28:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_wait_until_sent [2018-11-23 01:28:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure handle_sysrq [2018-11-23 01:28:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2018-11-23 01:28:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2018-11-23 01:28:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2018-11-23 01:28:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2018-11-23 01:28:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2018-11-23 01:28:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 01:28:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 01:28:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2018-11-23 01:28:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2018-11-23 01:28:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2018-11-23 01:28:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2018-11-23 01:28:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2018-11-23 01:28:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2018-11-23 01:28:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2018-11-23 01:28:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2018-11-23 01:28:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_chars_in_buffer [2018-11-23 01:28:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_chars_in_buffer [2018-11-23 01:28:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2018-11-23 01:28:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure port_number_show [2018-11-23 01:28:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure port_number_show [2018-11-23 01:28:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure flag_buf_ptr [2018-11-23 01:28:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure flag_buf_ptr [2018-11-23 01:28:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_7 [2018-11-23 01:28:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_7 [2018-11-23 01:28:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_deregister [2018-11-23 01:28:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_deregister [2018-11-23 01:28:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2018-11-23 01:28:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2018-11-23 01:28:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2018-11-23 01:28:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2018-11-23 01:28:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2018-11-23 01:28:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_disconnect [2018-11-23 01:28:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_disconnect [2018-11-23 01:28:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2018-11-23 01:28:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2018-11-23 01:28:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_10 [2018-11-23 01:28:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_10 [2018-11-23 01:28:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2018-11-23 01:28:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2018-11-23 01:28:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_13 [2018-11-23 01:28:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_13 [2018-11-23 01:28:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2018-11-23 01:28:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2018-11-23 01:28:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_max_r [2018-11-23 01:28:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-23 01:28:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-23 01:28:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-23 01:28:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_install [2018-11-23 01:28:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2018-11-23 01:28:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2018-11-23 01:28:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_register_device_62 [2018-11-23 01:28:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_register_device_62 [2018-11-23 01:28:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure match_dynamic_id [2018-11-23 01:28:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure match_dynamic_id [2018-11-23 01:28:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2018-11-23 01:28:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2018-11-23 01:28:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2018-11-23 01:28:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2018-11-23 01:28:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_break [2018-11-23 01:28:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_break [2018-11-23 01:28:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2018-11-23 01:28:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure search_serial_device [2018-11-23 01:28:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure search_serial_device [2018-11-23 01:28:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2018-11-23 01:28:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2018-11-23 01:28:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2018-11-23 01:28:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2018-11-23 01:28:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2018-11-23 01:28:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2018-11-23 01:28:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 01:28:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 01:28:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_deregister [2018-11-23 01:28:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_deregister [2018-11-23 01:28:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2018-11-23 01:28:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2018-11-23 01:28:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2018-11-23 01:28:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2018-11-23 01:28:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2018-11-23 01:28:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2018-11-23 01:28:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 01:28:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-23 01:28:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2018-11-23 01:29:52,183 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:29:52,183 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 01:29:52,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:52 BoogieIcfgContainer [2018-11-23 01:29:52,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:29:52,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:29:52,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:29:52,187 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:29:52,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:28:14" (1/3) ... [2018-11-23 01:29:52,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7126ee24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:29:52, skipping insertion in model container [2018-11-23 01:29:52,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:17" (2/3) ... [2018-11-23 01:29:52,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7126ee24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:29:52, skipping insertion in model container [2018-11-23 01:29:52,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:52" (3/3) ... [2018-11-23 01:29:52,189 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--serial--usbserial.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 01:29:52,198 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:29:52,206 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:29:52,219 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:29:52,247 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:29:52,247 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:29:52,247 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:29:52,248 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:29:52,248 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:29:52,248 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:29:52,248 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:29:52,248 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:29:52,248 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:29:52,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states. [2018-11-23 01:29:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-23 01:29:52,306 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:29:52,308 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 01:29:52,310 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:29:52,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:29:52,314 INFO L82 PathProgramCache]: Analyzing trace with hash 183791910, now seen corresponding path program 1 times [2018-11-23 01:29:52,322 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:29:52,323 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/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 01:29:52,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:29:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:29:54,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:29:54,915 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 01:29:54,915 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:29:54,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:29:54,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:29:54,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:29:54,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:29:54,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:29:54,936 INFO L87 Difference]: Start difference. First operand 2378 states. Second operand 3 states. [2018-11-23 01:29:55,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:29:55,193 INFO L93 Difference]: Finished difference Result 7007 states and 9676 transitions. [2018-11-23 01:29:55,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:29:55,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2018-11-23 01:29:55,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:29:55,227 INFO L225 Difference]: With dead ends: 7007 [2018-11-23 01:29:55,228 INFO L226 Difference]: Without dead ends: 4637 [2018-11-23 01:29:55,240 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 294 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 01:29:55,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4637 states. [2018-11-23 01:29:55,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4637 to 4634. [2018-11-23 01:29:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4634 states. [2018-11-23 01:29:55,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4634 states to 4634 states and 6309 transitions. [2018-11-23 01:29:55,445 INFO L78 Accepts]: Start accepts. Automaton has 4634 states and 6309 transitions. Word has length 296 [2018-11-23 01:29:55,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:29:55,446 INFO L480 AbstractCegarLoop]: Abstraction has 4634 states and 6309 transitions. [2018-11-23 01:29:55,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:29:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 4634 states and 6309 transitions. [2018-11-23 01:29:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-23 01:29:55,459 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:29:55,459 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:29:55,459 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:29:55,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:29:55,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1332230352, now seen corresponding path program 1 times [2018-11-23 01:29:55,462 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:29:55,462 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/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 01:29:55,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:29:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:29:58,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:29:58,140 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 01:29:58,141 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:29:58,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:29:58,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:29:58,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:29:58,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:29:58,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:29:58,150 INFO L87 Difference]: Start difference. First operand 4634 states and 6309 transitions. Second operand 3 states. [2018-11-23 01:30:11,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:30:11,247 INFO L93 Difference]: Finished difference Result 13236 states and 17953 transitions. [2018-11-23 01:30:11,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:30:11,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2018-11-23 01:30:11,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:30:11,284 INFO L225 Difference]: With dead ends: 13236 [2018-11-23 01:30:11,284 INFO L226 Difference]: Without dead ends: 8659 [2018-11-23 01:30:11,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 310 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 01:30:11,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8659 states. [2018-11-23 01:30:11,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8659 to 8649. [2018-11-23 01:30:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8649 states. [2018-11-23 01:30:11,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8649 states to 8649 states and 11713 transitions. [2018-11-23 01:30:11,589 INFO L78 Accepts]: Start accepts. Automaton has 8649 states and 11713 transitions. Word has length 312 [2018-11-23 01:30:11,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:30:11,590 INFO L480 AbstractCegarLoop]: Abstraction has 8649 states and 11713 transitions. [2018-11-23 01:30:11,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:30:11,590 INFO L276 IsEmpty]: Start isEmpty. Operand 8649 states and 11713 transitions. [2018-11-23 01:30:11,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-23 01:30:11,599 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:30:11,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:30:11,600 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:30:11,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:30:11,600 INFO L82 PathProgramCache]: Analyzing trace with hash -758582680, now seen corresponding path program 1 times [2018-11-23 01:30:11,602 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:30:11,603 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/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 01:30:11,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:30:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:30:14,171 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:30:14,240 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 01:30:14,240 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:30:14,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:30:14,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:30:14,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:30:14,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:30:14,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:30:14,248 INFO L87 Difference]: Start difference. First operand 8649 states and 11713 transitions. Second operand 3 states. [2018-11-23 01:30:26,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:30:26,352 INFO L93 Difference]: Finished difference Result 25489 states and 34815 transitions. [2018-11-23 01:30:26,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:30:26,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 318 [2018-11-23 01:30:26,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:30:26,405 INFO L225 Difference]: With dead ends: 25489 [2018-11-23 01:30:26,406 INFO L226 Difference]: Without dead ends: 16897 [2018-11-23 01:30:26,427 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 316 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 01:30:26,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16897 states. [2018-11-23 01:30:26,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16897 to 16869. [2018-11-23 01:30:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16869 states. [2018-11-23 01:30:26,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16869 states to 16869 states and 23147 transitions. [2018-11-23 01:30:26,790 INFO L78 Accepts]: Start accepts. Automaton has 16869 states and 23147 transitions. Word has length 318 [2018-11-23 01:30:26,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:30:26,791 INFO L480 AbstractCegarLoop]: Abstraction has 16869 states and 23147 transitions. [2018-11-23 01:30:26,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:30:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 16869 states and 23147 transitions. [2018-11-23 01:30:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-11-23 01:30:26,797 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:30:26,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:30:26,798 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:30:26,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:30:26,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1576136439, now seen corresponding path program 1 times [2018-11-23 01:30:26,800 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:30:26,800 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/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 01:30:26,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:30:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:30:29,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:30:29,219 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 01:30:29,219 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:30:29,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:30:29,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:30:29,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:30:29,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:30:29,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:30:29,229 INFO L87 Difference]: Start difference. First operand 16869 states and 23147 transitions. Second operand 3 states. [2018-11-23 01:30:41,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:30:41,591 INFO L93 Difference]: Finished difference Result 48658 states and 67189 transitions. [2018-11-23 01:30:41,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:30:41,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2018-11-23 01:30:41,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:30:41,691 INFO L225 Difference]: With dead ends: 48658 [2018-11-23 01:30:41,691 INFO L226 Difference]: Without dead ends: 31846 [2018-11-23 01:30:41,738 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 328 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 01:30:41,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31846 states. [2018-11-23 01:30:42,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31846 to 31775. [2018-11-23 01:30:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31775 states. [2018-11-23 01:30:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31775 states to 31775 states and 44020 transitions. [2018-11-23 01:30:42,399 INFO L78 Accepts]: Start accepts. Automaton has 31775 states and 44020 transitions. Word has length 330 [2018-11-23 01:30:42,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:30:42,399 INFO L480 AbstractCegarLoop]: Abstraction has 31775 states and 44020 transitions. [2018-11-23 01:30:42,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:30:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 31775 states and 44020 transitions. [2018-11-23 01:30:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-11-23 01:30:42,409 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:30:42,410 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] [2018-11-23 01:30:42,410 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:30:42,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:30:42,410 INFO L82 PathProgramCache]: Analyzing trace with hash 232068541, now seen corresponding path program 1 times [2018-11-23 01:30:42,412 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:30:42,412 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/cvc4nyu Starting monitored process 6 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 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:30:42,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:30:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:30:45,085 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:30:45,167 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 01:30:45,168 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:30:45,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:30:45,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:30:45,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:30:45,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:30:45,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:30:45,177 INFO L87 Difference]: Start difference. First operand 31775 states and 44020 transitions. Second operand 3 states. [2018-11-23 01:30:57,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:30:57,617 INFO L93 Difference]: Finished difference Result 63498 states and 87964 transitions. [2018-11-23 01:30:57,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:30:57,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 394 [2018-11-23 01:30:57,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:30:57,722 INFO L225 Difference]: With dead ends: 63498 [2018-11-23 01:30:57,722 INFO L226 Difference]: Without dead ends: 31780 [2018-11-23 01:30:57,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 392 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 01:30:57,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31780 states. [2018-11-23 01:30:58,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31780 to 31775. [2018-11-23 01:30:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31775 states. [2018-11-23 01:30:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31775 states to 31775 states and 44004 transitions. [2018-11-23 01:30:58,632 INFO L78 Accepts]: Start accepts. Automaton has 31775 states and 44004 transitions. Word has length 394 [2018-11-23 01:30:58,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:30:58,632 INFO L480 AbstractCegarLoop]: Abstraction has 31775 states and 44004 transitions. [2018-11-23 01:30:58,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:30:58,632 INFO L276 IsEmpty]: Start isEmpty. Operand 31775 states and 44004 transitions. [2018-11-23 01:30:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-11-23 01:30:58,641 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:30:58,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:30:58,642 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:30:58,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:30:58,642 INFO L82 PathProgramCache]: Analyzing trace with hash 853158315, now seen corresponding path program 1 times [2018-11-23 01:30:58,644 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:30:58,644 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/cvc4nyu Starting monitored process 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:30:58,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:00,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 1050 trivial. 0 not checked. [2018-11-23 01:31:00,902 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:31:00,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:31:00,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:31:00,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:31:00,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:31:00,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:31:00,910 INFO L87 Difference]: Start difference. First operand 31775 states and 44004 transitions. Second operand 3 states. [2018-11-23 01:31:13,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:31:13,885 INFO L93 Difference]: Finished difference Result 94289 states and 130584 transitions. [2018-11-23 01:31:13,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:31:13,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 394 [2018-11-23 01:31:13,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:31:14,070 INFO L225 Difference]: With dead ends: 94289 [2018-11-23 01:31:14,071 INFO L226 Difference]: Without dead ends: 62571 [2018-11-23 01:31:14,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 392 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 01:31:14,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62571 states. [2018-11-23 01:31:15,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62571 to 62515. [2018-11-23 01:31:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62515 states. [2018-11-23 01:31:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62515 states to 62515 states and 86581 transitions. [2018-11-23 01:31:15,433 INFO L78 Accepts]: Start accepts. Automaton has 62515 states and 86581 transitions. Word has length 394 [2018-11-23 01:31:15,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:31:15,434 INFO L480 AbstractCegarLoop]: Abstraction has 62515 states and 86581 transitions. [2018-11-23 01:31:15,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:31:15,434 INFO L276 IsEmpty]: Start isEmpty. Operand 62515 states and 86581 transitions. [2018-11-23 01:31:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-11-23 01:31:15,444 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:31:15,445 INFO L402 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2018-11-23 01:31:15,445 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:31:15,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:31:15,445 INFO L82 PathProgramCache]: Analyzing trace with hash -107075462, now seen corresponding path program 1 times [2018-11-23 01:31:15,447 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:31:15,447 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_502f064b-ab19-42e2-afa2-18fdfd9dfac5/bin-2019/utaipan/cvc4nyu Starting monitored process 8 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 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:31:15,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:31:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:31:17,873 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:31:17,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 530 proven. 0 refuted. 0 times theorem prover too weak. 1154 trivial. 0 not checked. [2018-11-23 01:31:17,955 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:31:17,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:31:17,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:31:17,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:31:17,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:31:17,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:31:17,965 INFO L87 Difference]: Start difference. First operand 62515 states and 86581 transitions. Second operand 5 states. [2018-11-23 01:31:23,955 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-23 01:31:23,956 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 01:31:23,958 INFO L168 Benchmark]: Toolchain (without parser) took 189347.69 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.4 GB). Free memory was 937.0 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 808.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:31:23,959 INFO L168 Benchmark]: CDTParser took 0.14 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 01:31:23,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2930.47 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.4 MB). Free memory was 937.0 MB in the beginning and 1.2 GB in the end (delta: -233.9 MB). Peak memory consumption was 317.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:31:23,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.59 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:31:23,960 INFO L168 Benchmark]: Boogie Preprocessor took 263.34 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Peak memory consumption was 82.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:31:23,960 INFO L168 Benchmark]: RCFGBuilder took 94294.10 ms. Allocated memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -830.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-23 01:31:23,961 INFO L168 Benchmark]: TraceAbstraction took 91773.39 ms. Allocated memory was 2.5 GB in the beginning and 3.5 GB in the end (delta: 943.2 MB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -670.6 MB). Peak memory consumption was 272.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:31:23,966 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 2930.47 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.4 MB). Free memory was 937.0 MB in the beginning and 1.2 GB in the end (delta: -233.9 MB). Peak memory consumption was 317.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.59 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 263.34 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Peak memory consumption was 82.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 94294.10 ms. Allocated memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -830.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * TraceAbstraction took 91773.39 ms. Allocated memory was 2.5 GB in the beginning and 3.5 GB in the end (delta: 943.2 MB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -670.6 MB). Peak memory consumption was 272.6 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...