./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-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/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 5bcbf097aaf43e9cb007d73a6d13a48dadbb2fd3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/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 5bcbf097aaf43e9cb007d73a6d13a48dadbb2fd3 ..................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:06:01,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:06:01,776 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:06:01,783 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:06:01,784 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:06:01,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:06:01,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:06:01,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:06:01,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:06:01,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:06:01,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:06:01,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:06:01,789 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:06:01,790 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:06:01,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:06:01,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:06:01,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:06:01,793 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:06:01,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:06:01,795 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:06:01,796 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:06:01,797 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:06:01,798 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:06:01,799 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:06:01,799 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:06:01,799 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:06:01,800 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:06:01,801 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:06:01,801 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:06:01,802 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:06:01,802 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:06:01,803 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:06:01,803 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:06:01,803 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:06:01,803 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:06:01,804 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:06:01,804 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 04:06:01,813 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:06:01,813 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:06:01,814 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:06:01,814 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:06:01,814 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:06:01,814 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:06:01,814 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:06:01,814 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:06:01,815 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:06:01,815 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:06:01,815 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 04:06:01,815 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:06:01,815 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:06:01,815 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:06:01,816 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:06:01,816 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:06:01,816 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:06:01,816 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:06:01,816 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:06:01,816 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:06:01,816 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:06:01,817 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:06:01,817 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:06:01,817 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:06:01,817 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:06:01,817 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:06:01,817 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:06:01,817 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:06:01,817 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:06:01,818 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:06:01,818 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:06:01,818 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:06:01,818 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:06:01,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:06:01,818 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:06:01,818 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 04:06:01,818 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_c3d283bb-c722-4896-9d22-972569447553/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 -> 5bcbf097aaf43e9cb007d73a6d13a48dadbb2fd3 [2018-11-23 04:06:01,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:06:01,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:06:01,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:06:01,851 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:06:01,852 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:06:01,852 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 04:06:01,887 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/data/aa9ef6565/0864bfd5440d420cb93c065a9b720a38/FLAG47e8c1926 [2018-11-23 04:06:02,512 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:06:02,513 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 04:06:02,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/data/aa9ef6565/0864bfd5440d420cb93c065a9b720a38/FLAG47e8c1926 [2018-11-23 04:06:02,868 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/data/aa9ef6565/0864bfd5440d420cb93c065a9b720a38 [2018-11-23 04:06:02,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:06:02,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:06:02,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:06:02,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:06:02,875 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:06:02,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:06:02" (1/1) ... [2018-11-23 04:06:02,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54bd7905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:02, skipping insertion in model container [2018-11-23 04:06:02,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:06:02" (1/1) ... [2018-11-23 04:06:02,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:06:02,961 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:06:04,262 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:06:04,296 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:06:04,557 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:06:04,679 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:06:04,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04 WrapperNode [2018-11-23 04:06:04,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:06:04,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:06:04,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:06:04,681 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:06:04,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04" (1/1) ... [2018-11-23 04:06:04,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04" (1/1) ... [2018-11-23 04:06:04,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:06:04,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:06:04,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:06:04,769 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:06:04,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04" (1/1) ... [2018-11-23 04:06:04,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04" (1/1) ... [2018-11-23 04:06:04,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04" (1/1) ... [2018-11-23 04:06:04,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04" (1/1) ... [2018-11-23 04:06:04,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04" (1/1) ... [2018-11-23 04:06:05,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04" (1/1) ... [2018-11-23 04:06:05,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04" (1/1) ... [2018-11-23 04:06:05,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:06:05,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:06:05,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:06:05,109 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:06:05,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/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 04:06:05,146 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2018-11-23 04:06:05,146 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2018-11-23 04:06:05,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2018-11-23 04:06:05,147 INFO L130 BoogieDeclarations]: Found specification of procedure edge_ioctl [2018-11-23 04:06:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_ioctl [2018-11-23 04:06:05,147 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write_room [2018-11-23 04:06:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write_room [2018-11-23 04:06:05,147 INFO L130 BoogieDeclarations]: Found specification of procedure update_edgeport_E2PROM [2018-11-23 04:06:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure update_edgeport_E2PROM [2018-11-23 04:06:05,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 04:06:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 04:06:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 04:06:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 04:06:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2018-11-23 04:06:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure process_rcvd_data [2018-11-23 04:06:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rcvd_data [2018-11-23 04:06:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2018-11-23 04:06:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2018-11-23 04:06:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_info [2018-11-23 04:06:05,149 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_info [2018-11-23 04:06:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure edge_disconnect [2018-11-23 04:06:05,149 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_disconnect [2018-11-23 04:06:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure send_iosp_ext_cmd [2018-11-23 04:06:05,149 INFO L138 BoogieDeclarations]: Found implementation of procedure send_iosp_ext_cmd [2018-11-23 04:06:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_in_callback [2018-11-23 04:06:05,149 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_in_callback [2018-11-23 04:06:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure edge_break [2018-11-23 04:06:05,149 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_break [2018-11-23 04:06:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2018-11-23 04:06:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2018-11-23 04:06:05,150 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2018-11-23 04:06:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2018-11-23 04:06:05,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2018-11-23 04:06:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2018-11-23 04:06:05,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2018-11-23 04:06:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2018-11-23 04:06:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2018-11-23 04:06:05,151 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2018-11-23 04:06:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2018-11-23 04:06:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure edge_set_termios [2018-11-23 04:06:05,151 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_set_termios [2018-11-23 04:06:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2018-11-23 04:06:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_31 [2018-11-23 04:06:05,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_31 [2018-11-23 04:06:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_32 [2018-11-23 04:06:05,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_32 [2018-11-23 04:06:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2018-11-23 04:06:05,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2018-11-23 04:06:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 04:06:05,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 04:06:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2018-11-23 04:06:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_27 [2018-11-23 04:06:05,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_27 [2018-11-23 04:06:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_29 [2018-11-23 04:06:05,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_29 [2018-11-23 04:06:05,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2018-11-23 04:06:05,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2018-11-23 04:06:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2018-11-23 04:06:05,153 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2018-11-23 04:06:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_lsr [2018-11-23 04:06:05,153 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_lsr [2018-11-23 04:06:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-11-23 04:06:05,153 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-11-23 04:06:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 04:06:05,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 04:06:05,153 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmget [2018-11-23 04:06:05,153 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmget [2018-11-23 04:06:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:06:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:06:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2018-11-23 04:06:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2018-11-23 04:06:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure unicode_to_ascii [2018-11-23 04:06:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure unicode_to_ascii [2018-11-23 04:06:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-11-23 04:06:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-11-23 04:06:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2018-11-23 04:06:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2018-11-23 04:06:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2018-11-23 04:06:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2018-11-23 04:06:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2018-11-23 04:06:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure get_manufacturing_desc [2018-11-23 04:06:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure get_manufacturing_desc [2018-11-23 04:06:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure send_cmd_write_baud_rate [2018-11-23 04:06:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cmd_write_baud_rate [2018-11-23 04:06:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure edge_throttle [2018-11-23 04:06:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_throttle [2018-11-23 04:06:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-23 04:06:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-23 04:06:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_4 [2018-11-23 04:06:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_4 [2018-11-23 04:06:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_25 [2018-11-23 04:06:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_25 [2018-11-23 04:06:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_3 [2018-11-23 04:06:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_3 [2018-11-23 04:06:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2018-11-23 04:06:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2018-11-23 04:06:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_2 [2018-11-23 04:06:05,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_2 [2018-11-23 04:06:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2018-11-23 04:06:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2018-11-23 04:06:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2018-11-23 04:06:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2018-11-23 04:06:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-11-23 04:06:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-11-23 04:06:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure get_product_info [2018-11-23 04:06:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure get_product_info [2018-11-23 04:06:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2018-11-23 04:06:05,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2018-11-23 04:06:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2018-11-23 04:06:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2018-11-23 04:06:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_msr [2018-11-23 04:06:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_msr [2018-11-23 04:06:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 04:06:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure get_boot_desc [2018-11-23 04:06:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure get_boot_desc [2018-11-23 04:06:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure load_application_firmware [2018-11-23 04:06:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure load_application_firmware [2018-11-23 04:06:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure get_lsr_info [2018-11-23 04:06:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure get_lsr_info [2018-11-23 04:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2018-11-23 04:06:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2018-11-23 04:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2018-11-23 04:06:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2018-11-23 04:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure rom_write [2018-11-23 04:06:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_write [2018-11-23 04:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2018-11-23 04:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 04:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 04:06:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-11-23 04:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 04:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure edge_unthrottle [2018-11-23 04:06:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_unthrottle [2018-11-23 04:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure edge_interrupt_callback [2018-11-23 04:06:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_interrupt_callback [2018-11-23 04:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2018-11-23 04:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure change_port_settings [2018-11-23 04:06:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure change_port_settings [2018-11-23 04:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure edge_open [2018-11-23 04:06:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_open [2018-11-23 04:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 04:06:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 04:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2018-11-23 04:06:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2018-11-23 04:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2018-11-23 04:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure dump_product_info [2018-11-23 04:06:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_product_info [2018-11-23 04:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-11-23 04:06:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-11-23 04:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2018-11-23 04:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_3 [2018-11-23 04:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_out_data_callback [2018-11-23 04:06:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_out_data_callback [2018-11-23 04:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2018-11-23 04:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2018-11-23 04:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2018-11-23 04:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 04:06:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-11-23 04:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-11-23 04:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 04:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure edge_release [2018-11-23 04:06:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_release [2018-11-23 04:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2018-11-23 04:06:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2018-11-23 04:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2018-11-23 04:06:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2018-11-23 04:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2018-11-23 04:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tty_recv [2018-11-23 04:06:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tty_recv [2018-11-23 04:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure send_more_port_data [2018-11-23 04:06:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure send_more_port_data [2018-11-23 04:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure edge_close [2018-11-23 04:06:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_close [2018-11-23 04:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 04:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 04:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2018-11-23 04:06:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2018-11-23 04:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure edge_chars_in_buffer [2018-11-23 04:06:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_chars_in_buffer [2018-11-23 04:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2018-11-23 04:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2018-11-23 04:06:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2018-11-23 04:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 04:06:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 04:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure rom_read [2018-11-23 04:06:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_read [2018-11-23 04:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2018-11-23 04:06:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2018-11-23 04:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-23 04:06:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-23 04:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2018-11-23 04:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-23 04:06:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-23 04:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-11-23 04:06:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-11-23 04:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2018-11-23 04:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 04:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure process_rcvd_status [2018-11-23 04:06:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rcvd_status [2018-11-23 04:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_init [2018-11-23 04:06:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_init [2018-11-23 04:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 04:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-23 04:06:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-23 04:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure calc_baud_rate_divisor [2018-11-23 04:06:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_baud_rate_divisor [2018-11-23 04:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2018-11-23 04:06:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2018-11-23 04:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure send_cmd_write_uart_register [2018-11-23 04:06:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cmd_write_uart_register [2018-11-23 04:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmset [2018-11-23 04:06:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmset [2018-11-23 04:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 04:06:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 04:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_exit [2018-11-23 04:06:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_exit [2018-11-23 04:06:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2018-11-23 04:06:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2018-11-23 04:06:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2018-11-23 04:06:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2018-11-23 04:06:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_30 [2018-11-23 04:06:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_30 [2018-11-23 04:06:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 04:06:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 04:06:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 04:06:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 04:06:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2018-11-23 04:06:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2018-11-23 04:06:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure get_epic_descriptor [2018-11-23 04:06:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure get_epic_descriptor [2018-11-23 04:06:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2018-11-23 04:06:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2018-11-23 04:06:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure edge_startup [2018-11-23 04:06:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_startup [2018-11-23 04:06:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:06:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:06:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 04:06:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2018-11-23 04:06:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2018-11-23 04:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2018-11-23 04:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2018-11-23 04:06:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2018-11-23 04:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-23 04:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-23 04:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2018-11-23 04:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2018-11-23 04:06:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2018-11-23 04:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2018-11-23 04:06:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2018-11-23 04:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2018-11-23 04:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-11-23 04:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2018-11-23 04:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_remove [2018-11-23 04:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_remove [2018-11-23 04:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd_usb [2018-11-23 04:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd_usb [2018-11-23 04:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2018-11-23 04:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2018-11-23 04:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure block_until_chase_response [2018-11-23 04:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure block_until_chase_response [2018-11-23 04:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2018-11-23 04:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2018-11-23 04:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2018-11-23 04:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure block_until_tx_empty [2018-11-23 04:06:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure block_until_tx_empty [2018-11-23 04:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2018-11-23 04:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-11-23 04:06:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-11-23 04:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2018-11-23 04:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write [2018-11-23 04:06:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write [2018-11-23 04:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-23 04:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2018-11-23 04:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2018-11-23 04:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 04:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2018-11-23 04:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2018-11-23 04:06:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2018-11-23 04:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 04:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_probe [2018-11-23 04:06:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_probe [2018-11-23 04:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2018-11-23 04:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:06:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2018-11-23 04:06:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2018-11-23 04:07:11,070 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:07:11,070 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 04:07:11,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:07:11 BoogieIcfgContainer [2018-11-23 04:07:11,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:07:11,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:07:11,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:07:11,075 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:07:11,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:06:02" (1/3) ... [2018-11-23 04:07:11,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e24eee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:07:11, skipping insertion in model container [2018-11-23 04:07:11,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:04" (2/3) ... [2018-11-23 04:07:11,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e24eee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:07:11, skipping insertion in model container [2018-11-23 04:07:11,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:07:11" (3/3) ... [2018-11-23 04:07:11,078 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 04:07:11,084 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:07:11,091 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:07:11,103 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:07:11,135 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:07:11,135 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:07:11,135 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:07:11,135 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:07:11,135 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:07:11,135 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:07:11,135 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:07:11,136 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:07:11,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states. [2018-11-23 04:07:11,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2018-11-23 04:07:11,193 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:07:11,194 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:07:11,195 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:07:11,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:07:11,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1628471503, now seen corresponding path program 1 times [2018-11-23 04:07:11,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:07:11,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:11,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:07:11,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:11,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:07:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:07:13,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3930 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3930 trivial. 0 not checked. [2018-11-23 04:07:13,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:07:13,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:07:13,511 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:07:13,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:07:13,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:07:13,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:07:13,525 INFO L87 Difference]: Start difference. First operand 2819 states. Second operand 3 states. [2018-11-23 04:07:20,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:07:20,256 INFO L93 Difference]: Finished difference Result 8042 states and 12520 transitions. [2018-11-23 04:07:20,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:07:20,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 450 [2018-11-23 04:07:20,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:07:20,293 INFO L225 Difference]: With dead ends: 8042 [2018-11-23 04:07:20,293 INFO L226 Difference]: Without dead ends: 5281 [2018-11-23 04:07:20,311 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 04:07:20,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5281 states. [2018-11-23 04:07:20,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5281 to 5277. [2018-11-23 04:07:20,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5277 states. [2018-11-23 04:07:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5277 states to 5277 states and 7935 transitions. [2018-11-23 04:07:20,560 INFO L78 Accepts]: Start accepts. Automaton has 5277 states and 7935 transitions. Word has length 450 [2018-11-23 04:07:20,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:07:20,561 INFO L480 AbstractCegarLoop]: Abstraction has 5277 states and 7935 transitions. [2018-11-23 04:07:20,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:07:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 5277 states and 7935 transitions. [2018-11-23 04:07:20,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2018-11-23 04:07:20,571 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:07:20,571 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:07:20,572 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:07:20,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:07:20,572 INFO L82 PathProgramCache]: Analyzing trace with hash -2087239289, now seen corresponding path program 1 times [2018-11-23 04:07:20,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:07:20,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:20,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:07:20,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:20,575 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:07:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:07:21,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3930 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3930 trivial. 0 not checked. [2018-11-23 04:07:21,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:07:21,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:07:21,586 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:07:21,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:07:21,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:07:21,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:07:21,588 INFO L87 Difference]: Start difference. First operand 5277 states and 7935 transitions. Second operand 3 states. [2018-11-23 04:07:26,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:07:26,925 INFO L93 Difference]: Finished difference Result 15180 states and 22754 transitions. [2018-11-23 04:07:26,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:07:26,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 451 [2018-11-23 04:07:26,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:07:26,959 INFO L225 Difference]: With dead ends: 15180 [2018-11-23 04:07:26,959 INFO L226 Difference]: Without dead ends: 9994 [2018-11-23 04:07:26,976 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 04:07:26,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2018-11-23 04:07:27,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 9989. [2018-11-23 04:07:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9989 states. [2018-11-23 04:07:27,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9989 states to 9989 states and 14944 transitions. [2018-11-23 04:07:27,237 INFO L78 Accepts]: Start accepts. Automaton has 9989 states and 14944 transitions. Word has length 451 [2018-11-23 04:07:27,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:07:27,237 INFO L480 AbstractCegarLoop]: Abstraction has 9989 states and 14944 transitions. [2018-11-23 04:07:27,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:07:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 9989 states and 14944 transitions. [2018-11-23 04:07:27,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2018-11-23 04:07:27,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:07:27,243 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:07:27,243 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:07:27,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:07:27,244 INFO L82 PathProgramCache]: Analyzing trace with hash 2036280400, now seen corresponding path program 1 times [2018-11-23 04:07:27,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:07:27,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:27,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:07:27,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:27,247 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:07:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:07:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3930 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3930 trivial. 0 not checked. [2018-11-23 04:07:28,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:07:28,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:07:28,075 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:07:28,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:07:28,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:07:28,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:07:28,076 INFO L87 Difference]: Start difference. First operand 9989 states and 14944 transitions. Second operand 3 states. [2018-11-23 04:07:33,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:07:33,395 INFO L93 Difference]: Finished difference Result 28834 states and 42975 transitions. [2018-11-23 04:07:33,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:07:33,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 453 [2018-11-23 04:07:33,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:07:33,460 INFO L225 Difference]: With dead ends: 28834 [2018-11-23 04:07:33,461 INFO L226 Difference]: Without dead ends: 18936 [2018-11-23 04:07:33,495 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 04:07:33,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18936 states. [2018-11-23 04:07:33,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18936 to 18929. [2018-11-23 04:07:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18929 states. [2018-11-23 04:07:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18929 states to 18929 states and 28152 transitions. [2018-11-23 04:07:33,984 INFO L78 Accepts]: Start accepts. Automaton has 18929 states and 28152 transitions. Word has length 453 [2018-11-23 04:07:33,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:07:33,985 INFO L480 AbstractCegarLoop]: Abstraction has 18929 states and 28152 transitions. [2018-11-23 04:07:33,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:07:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 18929 states and 28152 transitions. [2018-11-23 04:07:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2018-11-23 04:07:33,990 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:07:33,990 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:07:33,990 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:07:33,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:07:33,991 INFO L82 PathProgramCache]: Analyzing trace with hash -18889829, now seen corresponding path program 1 times [2018-11-23 04:07:33,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:07:33,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:33,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:07:33,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:33,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:07:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:07:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3930 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3930 trivial. 0 not checked. [2018-11-23 04:07:35,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:07:35,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:07:35,026 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:07:35,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:07:35,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:07:35,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:07:35,027 INFO L87 Difference]: Start difference. First operand 18929 states and 28152 transitions. Second operand 3 states. [2018-11-23 04:07:40,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:07:40,744 INFO L93 Difference]: Finished difference Result 52881 states and 78441 transitions. [2018-11-23 04:07:40,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:07:40,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 454 [2018-11-23 04:07:40,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:07:40,885 INFO L225 Difference]: With dead ends: 52881 [2018-11-23 04:07:40,885 INFO L226 Difference]: Without dead ends: 34043 [2018-11-23 04:07:40,945 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 04:07:40,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34043 states. [2018-11-23 04:07:42,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34043 to 34040. [2018-11-23 04:07:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34040 states. [2018-11-23 04:07:42,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34040 states to 34040 states and 50410 transitions. [2018-11-23 04:07:42,376 INFO L78 Accepts]: Start accepts. Automaton has 34040 states and 50410 transitions. Word has length 454 [2018-11-23 04:07:42,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:07:42,376 INFO L480 AbstractCegarLoop]: Abstraction has 34040 states and 50410 transitions. [2018-11-23 04:07:42,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:07:42,377 INFO L276 IsEmpty]: Start isEmpty. Operand 34040 states and 50410 transitions. [2018-11-23 04:07:42,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2018-11-23 04:07:42,386 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:07:42,387 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 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] [2018-11-23 04:07:42,387 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:07:42,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:07:42,387 INFO L82 PathProgramCache]: Analyzing trace with hash 720499142, now seen corresponding path program 1 times [2018-11-23 04:07:42,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:07:42,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:42,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:07:42,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:42,390 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:07:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:07:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6428 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6426 trivial. 0 not checked. [2018-11-23 04:07:43,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:07:43,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:07:43,322 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:07:43,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:07:43,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:07:43,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:07:43,323 INFO L87 Difference]: Start difference. First operand 34040 states and 50410 transitions. Second operand 3 states. [2018-11-23 04:07:51,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:07:51,386 INFO L93 Difference]: Finished difference Result 84827 states and 125810 transitions. [2018-11-23 04:07:51,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:07:51,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 644 [2018-11-23 04:07:51,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:07:51,562 INFO L225 Difference]: With dead ends: 84827 [2018-11-23 04:07:51,563 INFO L226 Difference]: Without dead ends: 50890 [2018-11-23 04:07:51,647 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 04:07:51,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50890 states. [2018-11-23 04:07:52,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50890 to 50767. [2018-11-23 04:07:52,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50767 states. [2018-11-23 04:07:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50767 states to 50767 states and 74836 transitions. [2018-11-23 04:07:53,032 INFO L78 Accepts]: Start accepts. Automaton has 50767 states and 74836 transitions. Word has length 644 [2018-11-23 04:07:53,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:07:53,033 INFO L480 AbstractCegarLoop]: Abstraction has 50767 states and 74836 transitions. [2018-11-23 04:07:53,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:07:53,033 INFO L276 IsEmpty]: Start isEmpty. Operand 50767 states and 74836 transitions. [2018-11-23 04:07:53,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2018-11-23 04:07:53,038 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:07:53,038 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 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] [2018-11-23 04:07:53,038 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:07:53,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:07:53,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1427198871, now seen corresponding path program 1 times [2018-11-23 04:07:53,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:07:53,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:53,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:07:53,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:53,043 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:07:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:07:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6428 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6428 trivial. 0 not checked. [2018-11-23 04:07:54,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:07:54,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:07:54,520 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:07:54,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:07:54,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:07:54,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:07:54,521 INFO L87 Difference]: Start difference. First operand 50767 states and 74836 transitions. Second operand 3 states. [2018-11-23 04:07:55,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:07:55,029 INFO L93 Difference]: Finished difference Result 57551 states and 84310 transitions. [2018-11-23 04:07:55,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:07:55,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 645 [2018-11-23 04:07:55,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:07:55,192 INFO L225 Difference]: With dead ends: 57551 [2018-11-23 04:07:55,192 INFO L226 Difference]: Without dead ends: 57548 [2018-11-23 04:07:55,214 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 04:07:55,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57548 states. [2018-11-23 04:07:56,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57548 to 57548. [2018-11-23 04:07:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57548 states. [2018-11-23 04:07:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57548 states to 57548 states and 84285 transitions. [2018-11-23 04:07:56,358 INFO L78 Accepts]: Start accepts. Automaton has 57548 states and 84285 transitions. Word has length 645 [2018-11-23 04:07:56,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:07:56,359 INFO L480 AbstractCegarLoop]: Abstraction has 57548 states and 84285 transitions. [2018-11-23 04:07:56,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:07:56,359 INFO L276 IsEmpty]: Start isEmpty. Operand 57548 states and 84285 transitions. [2018-11-23 04:07:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2018-11-23 04:07:56,387 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:07:56,387 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:07:56,388 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:07:56,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:07:56,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1275501003, now seen corresponding path program 1 times [2018-11-23 04:07:56,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:07:56,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:56,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:07:56,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:07:56,391 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:07:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:07:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6429 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6426 trivial. 0 not checked. [2018-11-23 04:07:57,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:07:57,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:07:57,400 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:07:57,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:07:57,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:07:57,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:07:57,401 INFO L87 Difference]: Start difference. First operand 57548 states and 84285 transitions. Second operand 3 states. [2018-11-23 04:08:06,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:08:06,204 INFO L93 Difference]: Finished difference Result 143230 states and 210058 transitions. [2018-11-23 04:08:06,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:08:06,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 671 [2018-11-23 04:08:06,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:08:06,467 INFO L225 Difference]: With dead ends: 143230 [2018-11-23 04:08:06,467 INFO L226 Difference]: Without dead ends: 85785 [2018-11-23 04:08:06,576 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 04:08:06,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85785 states. [2018-11-23 04:08:08,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85785 to 85674. [2018-11-23 04:08:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85674 states. [2018-11-23 04:08:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85674 states to 85674 states and 124945 transitions. [2018-11-23 04:08:08,269 INFO L78 Accepts]: Start accepts. Automaton has 85674 states and 124945 transitions. Word has length 671 [2018-11-23 04:08:08,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:08:08,270 INFO L480 AbstractCegarLoop]: Abstraction has 85674 states and 124945 transitions. [2018-11-23 04:08:08,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:08:08,270 INFO L276 IsEmpty]: Start isEmpty. Operand 85674 states and 124945 transitions. [2018-11-23 04:08:08,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2018-11-23 04:08:08,280 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:08:08,281 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 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] [2018-11-23 04:08:08,281 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:08:08,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:08:08,281 INFO L82 PathProgramCache]: Analyzing trace with hash 847530899, now seen corresponding path program 1 times [2018-11-23 04:08:08,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:08:08,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:08:08,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:08:08,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:08:08,284 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:08:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:08:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6430 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6426 trivial. 0 not checked. [2018-11-23 04:08:11,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:08:11,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:08:11,464 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:08:11,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:08:11,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:08:11,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:08:11,465 INFO L87 Difference]: Start difference. First operand 85674 states and 124945 transitions. Second operand 3 states. [2018-11-23 04:08:20,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:08:20,595 INFO L93 Difference]: Finished difference Result 212468 states and 310327 transitions. [2018-11-23 04:08:20,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:08:20,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 674 [2018-11-23 04:08:20,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:08:20,974 INFO L225 Difference]: With dead ends: 212468 [2018-11-23 04:08:20,974 INFO L226 Difference]: Without dead ends: 126897 [2018-11-23 04:08:21,137 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 04:08:21,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126897 states. [2018-11-23 04:08:23,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126897 to 126894. [2018-11-23 04:08:23,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126894 states. [2018-11-23 04:08:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126894 states to 126894 states and 184262 transitions. [2018-11-23 04:08:23,730 INFO L78 Accepts]: Start accepts. Automaton has 126894 states and 184262 transitions. Word has length 674 [2018-11-23 04:08:23,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:08:23,731 INFO L480 AbstractCegarLoop]: Abstraction has 126894 states and 184262 transitions. [2018-11-23 04:08:23,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:08:23,731 INFO L276 IsEmpty]: Start isEmpty. Operand 126894 states and 184262 transitions. [2018-11-23 04:08:23,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2018-11-23 04:08:23,741 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:08:23,742 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:08:23,742 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:08:23,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:08:23,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1701436158, now seen corresponding path program 1 times [2018-11-23 04:08:23,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:08:23,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:08:23,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:08:23,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:08:23,745 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:08:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:08:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6430 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6426 trivial. 0 not checked. [2018-11-23 04:08:24,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:08:24,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:08:24,699 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:08:24,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:08:24,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:08:24,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:08:24,700 INFO L87 Difference]: Start difference. First operand 126894 states and 184262 transitions. Second operand 3 states. [2018-11-23 04:08:34,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:08:34,831 INFO L93 Difference]: Finished difference Result 313706 states and 456205 transitions. [2018-11-23 04:08:34,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:08:34,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 673 [2018-11-23 04:08:34,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:08:35,296 INFO L225 Difference]: With dead ends: 313706 [2018-11-23 04:08:35,296 INFO L226 Difference]: Without dead ends: 186915 [2018-11-23 04:08:35,501 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 04:08:35,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186915 states. [2018-11-23 04:08:39,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186915 to 186828. [2018-11-23 04:08:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186828 states. [2018-11-23 04:08:39,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186828 states to 186828 states and 270097 transitions. [2018-11-23 04:08:39,507 INFO L78 Accepts]: Start accepts. Automaton has 186828 states and 270097 transitions. Word has length 673 [2018-11-23 04:08:39,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:08:39,508 INFO L480 AbstractCegarLoop]: Abstraction has 186828 states and 270097 transitions. [2018-11-23 04:08:39,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:08:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 186828 states and 270097 transitions. [2018-11-23 04:08:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2018-11-23 04:08:39,522 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:08:39,522 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:08:39,523 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:08:39,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:08:39,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1610984527, now seen corresponding path program 1 times [2018-11-23 04:08:39,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:08:39,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:08:39,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:08:39,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:08:39,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:08:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:08:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6428 trivial. 0 not checked. [2018-11-23 04:08:40,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:08:40,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:08:40,452 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:08:40,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:08:40,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:08:40,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:08:40,453 INFO L87 Difference]: Start difference. First operand 186828 states and 270097 transitions. Second operand 3 states. [2018-11-23 04:08:51,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:08:51,849 INFO L93 Difference]: Finished difference Result 433690 states and 628027 transitions. [2018-11-23 04:08:51,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:08:51,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 698 [2018-11-23 04:08:51,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:08:52,659 INFO L225 Difference]: With dead ends: 433690 [2018-11-23 04:08:52,659 INFO L226 Difference]: Without dead ends: 246965 [2018-11-23 04:08:52,975 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 04:08:53,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246965 states. [2018-11-23 04:08:58,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246965 to 246842. [2018-11-23 04:08:58,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246842 states. [2018-11-23 04:08:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246842 states to 246842 states and 356036 transitions. [2018-11-23 04:08:58,947 INFO L78 Accepts]: Start accepts. Automaton has 246842 states and 356036 transitions. Word has length 698 [2018-11-23 04:08:58,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:08:58,947 INFO L480 AbstractCegarLoop]: Abstraction has 246842 states and 356036 transitions. [2018-11-23 04:08:58,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:08:58,947 INFO L276 IsEmpty]: Start isEmpty. Operand 246842 states and 356036 transitions. [2018-11-23 04:08:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2018-11-23 04:08:58,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:08:58,960 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:08:58,961 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:08:58,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:08:58,961 INFO L82 PathProgramCache]: Analyzing trace with hash -694225421, now seen corresponding path program 1 times [2018-11-23 04:08:58,961 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:08:58,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:08:58,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:08:58,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:08:58,963 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:08:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:09:00,709 INFO L134 CoverageAnalysis]: Checked inductivity of 6443 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6429 trivial. 0 not checked. [2018-11-23 04:09:00,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:09:00,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:09:00,710 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:09:00,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:09:00,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:09:00,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:09:00,711 INFO L87 Difference]: Start difference. First operand 246842 states and 356036 transitions. Second operand 3 states. [2018-11-23 04:09:15,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:09:15,799 INFO L93 Difference]: Finished difference Result 572460 states and 827089 transitions. [2018-11-23 04:09:15,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:09:15,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 699 [2018-11-23 04:09:15,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:09:16,618 INFO L225 Difference]: With dead ends: 572460 [2018-11-23 04:09:16,618 INFO L226 Difference]: Without dead ends: 325721 [2018-11-23 04:09:17,293 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 04:09:17,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325721 states. [2018-11-23 04:09:23,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325721 to 325610. [2018-11-23 04:09:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325610 states. [2018-11-23 04:09:23,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325610 states to 325610 states and 468545 transitions. [2018-11-23 04:09:23,821 INFO L78 Accepts]: Start accepts. Automaton has 325610 states and 468545 transitions. Word has length 699 [2018-11-23 04:09:23,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:09:23,822 INFO L480 AbstractCegarLoop]: Abstraction has 325610 states and 468545 transitions. [2018-11-23 04:09:23,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:09:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 325610 states and 468545 transitions. [2018-11-23 04:09:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2018-11-23 04:09:23,835 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:09:23,836 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:09:23,836 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:09:23,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:09:23,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1995727309, now seen corresponding path program 1 times [2018-11-23 04:09:23,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:09:23,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:09:23,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:09:23,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:09:23,838 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:09:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:09:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6436 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6436 trivial. 0 not checked. [2018-11-23 04:09:25,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:09:25,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 04:09:25,262 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:09:25,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 04:09:25,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 04:09:25,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:09:25,263 INFO L87 Difference]: Start difference. First operand 325610 states and 468545 transitions. Second operand 4 states. [2018-11-23 04:09:33,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:09:33,143 INFO L93 Difference]: Finished difference Result 651689 states and 940946 transitions. [2018-11-23 04:09:33,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 04:09:33,144 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 719 [2018-11-23 04:09:33,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:09:33,901 INFO L225 Difference]: With dead ends: 651689 [2018-11-23 04:09:33,901 INFO L226 Difference]: Without dead ends: 326182 [2018-11-23 04:09:34,304 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 04:09:34,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326182 states. [2018-11-23 04:09:40,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326182 to 326039. [2018-11-23 04:09:40,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326039 states. [2018-11-23 04:09:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326039 states to 326039 states and 468974 transitions. [2018-11-23 04:09:40,779 INFO L78 Accepts]: Start accepts. Automaton has 326039 states and 468974 transitions. Word has length 719 [2018-11-23 04:09:40,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:09:40,780 INFO L480 AbstractCegarLoop]: Abstraction has 326039 states and 468974 transitions. [2018-11-23 04:09:40,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 04:09:40,780 INFO L276 IsEmpty]: Start isEmpty. Operand 326039 states and 468974 transitions. [2018-11-23 04:09:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2018-11-23 04:09:40,792 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:09:40,792 INFO L402 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 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 04:09:40,793 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:09:40,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:09:40,793 INFO L82 PathProgramCache]: Analyzing trace with hash 477679256, now seen corresponding path program 1 times [2018-11-23 04:09:40,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:09:40,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:09:40,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:09:40,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:09:40,796 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:09:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:09:42,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6434 backedges. 49 proven. 140 refuted. 0 times theorem prover too weak. 6245 trivial. 0 not checked. [2018-11-23 04:09:42,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:09:42,484 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:09:42,484 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 717 with the following transitions: [2018-11-23 04:09:42,488 INFO L202 CegarAbsIntRunner]: [4], [5], [84], [85], [99], [101], [106], [108], [113], [127], [130], [146], [398], [399], [859], [860], [865], [868], [903], [905], [906], [1091], [1092], [1106], [1302], [1303], [1367], [1373], [1374], [1380], [1382], [1383], [1425], [1426], [1458], [1460], [1461], [2189], [2191], [2193], [2195], [2197], [2199], [2201], [2203], [2205], [2207], [2209], [2211], [2213], [2215], [2217], [2219], [2221], [2223], [2225], [2227], [2229], [2231], [2233], [2235], [2237], [2239], [2241], [2243], [2245], [2247], [2249], [2251], [2253], [2255], [2257], [2259], [2261], [2263], [2265], [2267], [2269], [2271], [2274], [2277], [2314], [2343], [2380], [2399], [2436], [2473], [2510], [2523], [2536], [2573], [2610], [2613], [2620], [2624], [2952], [3633], [3636], [3639], [3651], [3654], [3657], [3659], [3662], [3664], [3666], [3668], [3677], [5073], [5075], [5077], [5079], [5081], [5082], [5088], [5090], [5092], [5094], [5096], [5097], [5105], [5107], [5109], [5111], [5113], [5114], [5115], [5117], [5119], [5121], [5123], [5124], [5521], [5522], [5523], [5526], [6433], [6444], [6446], [6450], [6452], [6455], [6459], [6461], [6464], [6470], [6472], [6475], [6528], [6530], [6702], [6703], [6777], [6778], [6783], [6921], [6923], [6924], [7017], [7018], [7023], [7024], [7189], [7190], [7191], [7192], [7193], [7194], [7195], [7196], [7197], [7198], [7199], [7200], [7201], [7202], [7203], [7204], [7205], [7206], [7207], [7208], [7209], [7210], [7211], [7212], [7213], [7214], [7215], [7216], [7217], [7218], [7219], [7220], [7221], [7222], [7223], [7224], [7225], [7226], [7227], [7228], [7229], [7230], [7231], [7232], [7233], [7234], [7235], [7236], [7237], [7238], [7239], [7240], [7241], [7242], [7243], [7244], [7245], [7246], [7247], [7248], [7249], [7250], [7251], [7252], [7253], [7254], [7255], [7256], [7257], [7258], [7259], [7260], [7261], [7262], [7263], [7264], [7265], [7266], [7267], [7268], [7333], [7515], [7516], [7517], [7518], [7519], [7520], [7521], [7522], [7523], [7524], [7773], [7774], [7775], [7776], [7777], [7778], [7779], [7780], [7785], [7786], [7787], [7788], [7789], [7790], [7791], [7792], [7797], [7798], [7799], [7800], [7801], [7802], [7803], [7804], [7805], [7806], [7807], [7808], [7809], [7810], [7811], [7812], [7881], [7882], [7883], [7884], [8061], [8069], [8070], [8071], [8072], [8073], [8074], [8075], [8076], [8089], [8090], [8091], [8092], [8093], [8147], [8148], [8149] [2018-11-23 04:09:42,540 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:09:42,540 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:10:13,569 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 04:10:13,571 INFO L168 Benchmark]: Toolchain (without parser) took 250700.71 ms. Allocated memory was 1.0 GB in the beginning and 7.3 GB in the end (delta: 6.3 GB). Free memory was 942.9 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 5.6 GB. Max. memory is 11.5 GB. [2018-11-23 04:10:13,572 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 04:10:13,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1807.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 942.9 MB in the beginning and 853.5 MB in the end (delta: 89.4 MB). Peak memory consumption was 260.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:10:13,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.73 ms. Allocated memory is still 1.2 GB. Free memory was 853.5 MB in the beginning and 841.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:10:13,574 INFO L168 Benchmark]: Boogie Preprocessor took 339.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 139.5 MB). Free memory was 841.5 MB in the beginning and 1.2 GB in the end (delta: -316.8 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:10:13,574 INFO L168 Benchmark]: RCFGBuilder took 65962.83 ms. Allocated memory was 1.3 GB in the beginning and 3.8 GB in the end (delta: 2.5 GB). Free memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-11-23 04:10:13,575 INFO L168 Benchmark]: TraceAbstraction took 182499.35 ms. Allocated memory was 3.8 GB in the beginning and 7.3 GB in the end (delta: 3.6 GB). Free memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: -226.8 MB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-11-23 04:10:13,578 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 1807.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 942.9 MB in the beginning and 853.5 MB in the end (delta: 89.4 MB). Peak memory consumption was 260.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.73 ms. Allocated memory is still 1.2 GB. Free memory was 853.5 MB in the beginning and 841.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 339.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 139.5 MB). Free memory was 841.5 MB in the beginning and 1.2 GB in the end (delta: -316.8 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 65962.83 ms. Allocated memory was 1.3 GB in the beginning and 3.8 GB in the end (delta: 2.5 GB). Free memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. * TraceAbstraction took 182499.35 ms. Allocated memory was 3.8 GB in the beginning and 7.3 GB in the end (delta: 3.6 GB). Free memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: -226.8 MB). Peak memory consumption was 4.5 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 04:10:15,186 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:10:15,188 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:10:15,196 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:10:15,196 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:10:15,197 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:10:15,198 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:10:15,199 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:10:15,200 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:10:15,201 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:10:15,202 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:10:15,202 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:10:15,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:10:15,204 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:10:15,205 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:10:15,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:10:15,206 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:10:15,208 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:10:15,209 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:10:15,211 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:10:15,211 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:10:15,212 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:10:15,214 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:10:15,215 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:10:15,215 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:10:15,216 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:10:15,216 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:10:15,217 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:10:15,218 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:10:15,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:10:15,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:10:15,219 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:10:15,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:10:15,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:10:15,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:10:15,220 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:10:15,220 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 04:10:15,231 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:10:15,231 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:10:15,232 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:10:15,232 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:10:15,232 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:10:15,232 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:10:15,232 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:10:15,232 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:10:15,233 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:10:15,233 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:10:15,233 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:10:15,233 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:10:15,234 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:10:15,234 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:10:15,234 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:10:15,235 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 04:10:15,235 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 04:10:15,235 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:10:15,235 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:10:15,235 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:10:15,235 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:10:15,235 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:10:15,235 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:10:15,236 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:10:15,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:10:15,236 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:10:15,236 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:10:15,236 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:10:15,236 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 04:10:15,236 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:10:15,236 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 04:10:15,236 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 04:10:15,237 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_c3d283bb-c722-4896-9d22-972569447553/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 -> 5bcbf097aaf43e9cb007d73a6d13a48dadbb2fd3 [2018-11-23 04:10:15,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:10:15,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:10:15,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:10:15,277 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:10:15,277 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:10:15,278 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 04:10:15,316 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/data/6c2e6fe48/8ad9dc0b8cb84b1387ec42fde48d4a65/FLAG249d3b3c3 [2018-11-23 04:10:15,847 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:10:15,847 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 04:10:15,880 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/data/6c2e6fe48/8ad9dc0b8cb84b1387ec42fde48d4a65/FLAG249d3b3c3 [2018-11-23 04:10:16,296 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3d283bb-c722-4896-9d22-972569447553/bin-2019/utaipan/data/6c2e6fe48/8ad9dc0b8cb84b1387ec42fde48d4a65 [2018-11-23 04:10:16,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:10:16,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:10:16,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:10:16,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:10:16,301 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:10:16,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:10:16" (1/1) ... [2018-11-23 04:10:16,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e877b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:16, skipping insertion in model container [2018-11-23 04:10:16,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:10:16" (1/1) ... [2018-11-23 04:10:16,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:10:16,420 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:10:18,354 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:10:18,396 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:10:18,790 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:10:18,832 ERROR L311 MainTranslator]: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8: CACSL2BoogieTranslator: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ProcedureManager.computeFinalProcedureDeclarations(ProcedureManager.java:193) [2018-11-23 04:10:18,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@301494a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:18, skipping insertion in model container [2018-11-23 04:10:18,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:10:18,833 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-23 04:10:18,834 INFO L168 Benchmark]: Toolchain (without parser) took 2535.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 934.7 MB in the beginning and 909.8 MB in the end (delta: 24.9 MB). Peak memory consumption was 203.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:10:18,835 INFO L168 Benchmark]: CDTParser took 0.15 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 04:10:18,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2533.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 934.7 MB in the beginning and 909.8 MB in the end (delta: 24.9 MB). Peak memory consumption was 203.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:10:18,838 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 2533.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 934.7 MB in the beginning and 909.8 MB in the end (delta: 24.9 MB). Peak memory consumption was 203.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8 CACSL2BoogieTranslator: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ProcedureManager.computeFinalProcedureDeclarations(ProcedureManager.java:193) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...