./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/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 d0b11e5192b5f9cdf39daac868655ea2d41003e8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/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 d0b11e5192b5f9cdf39daac868655ea2d41003e8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:55:55,929 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:55:55,930 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:55:55,936 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:55:55,936 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:55:55,937 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:55:55,937 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:55:55,938 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:55:55,939 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:55:55,940 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:55:55,940 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:55:55,940 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:55:55,941 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:55:55,941 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:55:55,942 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:55:55,942 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:55:55,943 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:55:55,944 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:55:55,945 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:55:55,946 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:55:55,946 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:55:55,947 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:55:55,948 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:55:55,948 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:55:55,949 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:55:55,949 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:55:55,950 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:55:55,950 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:55:55,951 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:55:55,951 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:55:55,951 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:55:55,952 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:55:55,952 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:55:55,952 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:55:55,953 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:55:55,953 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:55:55,953 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-12-08 17:55:55,961 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:55:55,961 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:55:55,962 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:55:55,962 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:55:55,962 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:55:55,962 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:55:55,962 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:55:55,962 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 17:55:55,962 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:55:55,962 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:55:55,963 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-08 17:55:55,963 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 17:55:55,963 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 17:55:55,963 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:55:55,963 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:55:55,963 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:55:55,964 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:55:55,964 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:55:55,964 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:55:55,964 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:55:55,964 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:55:55,964 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:55:55,964 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:55:55,964 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:55:55,964 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:55:55,964 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:55:55,965 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:55:55,965 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:55:55,965 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:55:55,965 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:55:55,965 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 17:55:55,965 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:55:55,965 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:55:55,965 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 17:55:55,965 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-12-08 17:55:55,966 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_291c9600-fbb2-46ae-9302-80fac1cc56cf/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 -> d0b11e5192b5f9cdf39daac868655ea2d41003e8 [2018-12-08 17:55:55,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:55:55,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:55:55,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:55:55,997 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:55:55,997 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:55:55,998 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-12-08 17:55:56,044 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/data/0ecfdd32d/bfec684e93e24faf93ecf40d4a179001/FLAGb24946919 [2018-12-08 17:55:56,553 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:55:56,554 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-12-08 17:55:56,568 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/data/0ecfdd32d/bfec684e93e24faf93ecf40d4a179001/FLAGb24946919 [2018-12-08 17:55:57,067 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/data/0ecfdd32d/bfec684e93e24faf93ecf40d4a179001 [2018-12-08 17:55:57,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:55:57,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:55:57,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:55:57,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:55:57,074 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:55:57,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:55:57" (1/1) ... [2018-12-08 17:55:57,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ef5538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57, skipping insertion in model container [2018-12-08 17:55:57,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:55:57" (1/1) ... [2018-12-08 17:55:57,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:55:57,126 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:55:57,701 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:55:57,714 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:55:57,800 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:55:57,825 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:55:57,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57 WrapperNode [2018-12-08 17:55:57,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:55:57,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:55:57,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:55:57,826 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:55:57,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57" (1/1) ... [2018-12-08 17:55:57,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57" (1/1) ... [2018-12-08 17:55:57,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:55:57,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:55:57,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:55:57,855 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:55:57,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57" (1/1) ... [2018-12-08 17:55:57,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57" (1/1) ... [2018-12-08 17:55:57,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57" (1/1) ... [2018-12-08 17:55:57,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57" (1/1) ... [2018-12-08 17:55:57,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57" (1/1) ... [2018-12-08 17:55:57,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57" (1/1) ... [2018-12-08 17:55:57,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57" (1/1) ... [2018-12-08 17:55:57,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:55:57,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:55:57,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:55:57,907 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:55:57,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/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 [2018-12-08 17:55:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-12-08 17:55:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2018-12-08 17:55:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-08 17:55:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-12-08 17:55:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-12-08 17:55:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:55:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 17:55:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 17:55:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2018-12-08 17:55:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2018-12-08 17:55:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-12-08 17:55:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-12-08 17:55:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-08 17:55:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-08 17:55:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 17:55:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-08 17:55:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-08 17:55:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-12-08 17:55:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2018-12-08 17:55:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 17:55:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 17:55:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2018-12-08 17:55:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2018-12-08 17:55:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2018-12-08 17:55:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2018-12-08 17:55:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-12-08 17:55:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2018-12-08 17:55:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2018-12-08 17:55:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2018-12-08 17:55:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-12-08 17:55:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2018-12-08 17:55:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 17:55:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 17:55:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-12-08 17:55:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-12-08 17:55:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-12-08 17:55:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2018-12-08 17:55:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 17:55:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 17:55:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-12-08 17:55:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-12-08 17:55:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2018-12-08 17:55:57,944 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2018-12-08 17:55:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2018-12-08 17:55:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2018-12-08 17:55:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2018-12-08 17:55:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2018-12-08 17:55:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-12-08 17:55:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-12-08 17:55:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-12-08 17:55:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2018-12-08 17:55:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 17:55:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-08 17:55:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 17:55:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-12-08 17:55:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-12-08 17:55:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-12-08 17:55:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2018-12-08 17:55:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2018-12-08 17:55:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2018-12-08 17:55:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 17:55:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 17:55:57,946 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2018-12-08 17:55:57,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2018-12-08 17:55:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_bind [2018-12-08 17:55:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_bind [2018-12-08 17:55:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:55:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:55:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2018-12-08 17:55:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2018-12-08 17:55:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-12-08 17:55:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-12-08 17:55:57,947 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-12-08 17:55:57,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-12-08 17:55:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:55:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:55:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 17:55:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-12-08 17:55:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-12-08 17:55:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-12-08 17:55:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2018-12-08 17:55:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 17:55:57,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-12-08 17:55:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-12-08 17:55:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-12-08 17:55:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2018-12-08 17:55:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:55:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 17:55:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2018-12-08 17:55:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2018-12-08 17:55:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_init [2018-12-08 17:55:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_init [2018-12-08 17:55:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-12-08 17:55:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2018-12-08 17:55:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-08 17:55:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-08 17:55:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-12-08 17:55:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-12-08 17:55:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_exit [2018-12-08 17:55:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_exit [2018-12-08 17:55:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2018-12-08 17:55:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2018-12-08 17:55:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2018-12-08 17:55:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2018-12-08 17:55:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 17:55:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2018-12-08 17:55:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2018-12-08 17:55:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_unbind [2018-12-08 17:55:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_unbind [2018-12-08 17:55:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-12-08 17:55:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2018-12-08 17:55:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-08 17:55:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-08 17:55:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-08 17:55:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 17:55:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 17:55:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:55:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:55:58,751 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:55:58,751 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 17:55:58,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:55:58 BoogieIcfgContainer [2018-12-08 17:55:58,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:55:58,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:55:58,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:55:58,756 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:55:58,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:55:57" (1/3) ... [2018-12-08 17:55:58,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ba47aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:55:58, skipping insertion in model container [2018-12-08 17:55:58,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:55:57" (2/3) ... [2018-12-08 17:55:58,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ba47aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:55:58, skipping insertion in model container [2018-12-08 17:55:58,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:55:58" (3/3) ... [2018-12-08 17:55:58,759 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-12-08 17:55:58,766 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:55:58,771 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:55:58,781 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:55:58,802 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:55:58,802 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:55:58,802 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:55:58,802 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:55:58,803 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:55:58,803 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:55:58,803 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:55:58,803 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:55:58,818 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-08 17:55:58,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 17:55:58,825 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:55:58,826 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 17:55:58,827 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:55:58,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:55:58,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1108984339, now seen corresponding path program 1 times [2018-12-08 17:55:58,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:55:58,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:55:58,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:55:58,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:55:58,875 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:55:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:55:59,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 17:55:59,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:55:59,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:55:59,058 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:55:59,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:55:59,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:55:59,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:55:59,071 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-08 17:55:59,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:55:59,190 INFO L93 Difference]: Finished difference Result 1113 states and 1461 transitions. [2018-12-08 17:55:59,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:55:59,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-08 17:55:59,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:55:59,203 INFO L225 Difference]: With dead ends: 1113 [2018-12-08 17:55:59,203 INFO L226 Difference]: Without dead ends: 710 [2018-12-08 17:55:59,208 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 [2018-12-08 17:55:59,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2018-12-08 17:55:59,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710. [2018-12-08 17:55:59,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2018-12-08 17:55:59,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 916 transitions. [2018-12-08 17:55:59,276 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 916 transitions. Word has length 60 [2018-12-08 17:55:59,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:55:59,277 INFO L480 AbstractCegarLoop]: Abstraction has 710 states and 916 transitions. [2018-12-08 17:55:59,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:55:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 916 transitions. [2018-12-08 17:55:59,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 17:55:59,279 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:55:59,280 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 17:55:59,280 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:55:59,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:55:59,280 INFO L82 PathProgramCache]: Analyzing trace with hash -393587886, now seen corresponding path program 1 times [2018-12-08 17:55:59,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:55:59,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:55:59,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:55:59,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:55:59,284 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:55:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:55:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:55:59,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:55:59,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:55:59,406 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:55:59,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:55:59,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:55:59,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:55:59,408 INFO L87 Difference]: Start difference. First operand 710 states and 916 transitions. Second operand 7 states. [2018-12-08 17:55:59,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:55:59,909 INFO L93 Difference]: Finished difference Result 2085 states and 2722 transitions. [2018-12-08 17:55:59,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:55:59,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2018-12-08 17:55:59,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:55:59,917 INFO L225 Difference]: With dead ends: 2085 [2018-12-08 17:55:59,917 INFO L226 Difference]: Without dead ends: 1377 [2018-12-08 17:55:59,919 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:55:59,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2018-12-08 17:55:59,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1377. [2018-12-08 17:55:59,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2018-12-08 17:55:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1794 transitions. [2018-12-08 17:55:59,968 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1794 transitions. Word has length 76 [2018-12-08 17:55:59,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:55:59,968 INFO L480 AbstractCegarLoop]: Abstraction has 1377 states and 1794 transitions. [2018-12-08 17:55:59,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:55:59,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1794 transitions. [2018-12-08 17:55:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 17:55:59,973 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:55:59,973 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-12-08 17:55:59,974 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:55:59,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:55:59,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1488388715, now seen corresponding path program 1 times [2018-12-08 17:55:59,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:55:59,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:55:59,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:55:59,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:55:59,978 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 17:56:00,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:56:00,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:56:00,048 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:56:00,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:56:00,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:56:00,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:56:00,049 INFO L87 Difference]: Start difference. First operand 1377 states and 1794 transitions. Second operand 3 states. [2018-12-08 17:56:00,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:56:00,145 INFO L93 Difference]: Finished difference Result 3069 states and 4004 transitions. [2018-12-08 17:56:00,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:56:00,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2018-12-08 17:56:00,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:56:00,149 INFO L225 Difference]: With dead ends: 3069 [2018-12-08 17:56:00,149 INFO L226 Difference]: Without dead ends: 1715 [2018-12-08 17:56:00,151 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 [2018-12-08 17:56:00,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2018-12-08 17:56:00,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1691. [2018-12-08 17:56:00,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1691 states. [2018-12-08 17:56:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2209 transitions. [2018-12-08 17:56:00,190 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2209 transitions. Word has length 133 [2018-12-08 17:56:00,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:56:00,190 INFO L480 AbstractCegarLoop]: Abstraction has 1691 states and 2209 transitions. [2018-12-08 17:56:00,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:56:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2209 transitions. [2018-12-08 17:56:00,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 17:56:00,192 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:56:00,193 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2018-12-08 17:56:00,193 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:56:00,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:00,193 INFO L82 PathProgramCache]: Analyzing trace with hash 232349460, now seen corresponding path program 1 times [2018-12-08 17:56:00,193 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:56:00,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:00,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:00,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:00,195 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-08 17:56:00,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:56:00,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:56:00,269 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:56:00,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:56:00,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:56:00,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:56:00,270 INFO L87 Difference]: Start difference. First operand 1691 states and 2209 transitions. Second operand 3 states. [2018-12-08 17:56:00,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:56:00,376 INFO L93 Difference]: Finished difference Result 4245 states and 5536 transitions. [2018-12-08 17:56:00,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:56:00,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2018-12-08 17:56:00,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:56:00,386 INFO L225 Difference]: With dead ends: 4245 [2018-12-08 17:56:00,386 INFO L226 Difference]: Without dead ends: 2587 [2018-12-08 17:56:00,391 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 [2018-12-08 17:56:00,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2587 states. [2018-12-08 17:56:00,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2587 to 2563. [2018-12-08 17:56:00,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2563 states. [2018-12-08 17:56:00,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 3313 transitions. [2018-12-08 17:56:00,460 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 3313 transitions. Word has length 174 [2018-12-08 17:56:00,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:56:00,460 INFO L480 AbstractCegarLoop]: Abstraction has 2563 states and 3313 transitions. [2018-12-08 17:56:00,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:56:00,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 3313 transitions. [2018-12-08 17:56:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 17:56:00,463 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:56:00,463 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2018-12-08 17:56:00,463 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:56:00,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:00,463 INFO L82 PathProgramCache]: Analyzing trace with hash 667071498, now seen corresponding path program 1 times [2018-12-08 17:56:00,463 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:56:00,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:00,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:00,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:00,465 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-08 17:56:00,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:56:00,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 17:56:00,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:56:00,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 17:56:00,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 17:56:00,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:56:00,547 INFO L87 Difference]: Start difference. First operand 2563 states and 3313 transitions. Second operand 5 states. [2018-12-08 17:56:00,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:56:00,618 INFO L93 Difference]: Finished difference Result 5147 states and 6709 transitions. [2018-12-08 17:56:00,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 17:56:00,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2018-12-08 17:56:00,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:56:00,624 INFO L225 Difference]: With dead ends: 5147 [2018-12-08 17:56:00,625 INFO L226 Difference]: Without dead ends: 2617 [2018-12-08 17:56:00,629 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:56:00,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2018-12-08 17:56:00,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2603. [2018-12-08 17:56:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2603 states. [2018-12-08 17:56:00,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3363 transitions. [2018-12-08 17:56:00,685 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3363 transitions. Word has length 157 [2018-12-08 17:56:00,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:56:00,685 INFO L480 AbstractCegarLoop]: Abstraction has 2603 states and 3363 transitions. [2018-12-08 17:56:00,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 17:56:00,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3363 transitions. [2018-12-08 17:56:00,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 17:56:00,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:56:00,689 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 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] [2018-12-08 17:56:00,689 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:56:00,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:00,689 INFO L82 PathProgramCache]: Analyzing trace with hash -629054003, now seen corresponding path program 1 times [2018-12-08 17:56:00,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:56:00,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:00,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:00,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:00,691 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-08 17:56:00,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:56:00,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:56:00,781 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:56:00,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:56:00,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:56:00,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:56:00,782 INFO L87 Difference]: Start difference. First operand 2603 states and 3363 transitions. Second operand 3 states. [2018-12-08 17:56:00,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:56:00,831 INFO L93 Difference]: Finished difference Result 5181 states and 6717 transitions. [2018-12-08 17:56:00,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:56:00,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-12-08 17:56:00,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:56:00,837 INFO L225 Difference]: With dead ends: 5181 [2018-12-08 17:56:00,837 INFO L226 Difference]: Without dead ends: 2611 [2018-12-08 17:56:00,841 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 [2018-12-08 17:56:00,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2018-12-08 17:56:00,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2018-12-08 17:56:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2611 states. [2018-12-08 17:56:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3371 transitions. [2018-12-08 17:56:00,890 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3371 transitions. Word has length 180 [2018-12-08 17:56:00,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:56:00,890 INFO L480 AbstractCegarLoop]: Abstraction has 2611 states and 3371 transitions. [2018-12-08 17:56:00,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:56:00,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3371 transitions. [2018-12-08 17:56:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 17:56:00,892 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:56:00,892 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 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] [2018-12-08 17:56:00,893 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:56:00,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:00,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1121680177, now seen corresponding path program 1 times [2018-12-08 17:56:00,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:56:00,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:00,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:00,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:00,895 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:00,985 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-08 17:56:00,985 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:00,985 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:56:00,986 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-12-08 17:56:00,988 INFO L205 CegarAbsIntRunner]: [6], [8], [11], [13], [15], [132], [135], [138], [141], [144], [146], [150], [153], [156], [158], [161], [170], [189], [192], [195], [198], [201], [203], [213], [297], [298], [301], [310], [315], [327], [331], [336], [337], [338], [339], [340], [341], [347], [348], [371], [373], [375], [377], [378], [383], [384], [389], [390], [415], [417], [418], [421], [446], [449], [451], [456], [463], [467], [476], [478], [481], [491], [494], [499], [500], [502], [503], [504], [506], [510], [512], [513], [520], [522], [523], [528], [535], [537], [538], [544], [545], [547], [548], [549], [551], [553], [554], [648], [654], [655], [714], [715], [718], [720], [725], [733], [736], [737], [739], [740], [749], [750], [751], [752], [753], [754], [755], [756], [771], [772], [773], [774], [775], [776], [779], [780], [795], [797], [798], [807], [808], [809], [810], [811], [812], [815], [816], [829], [830], [837], [838], [847], [848], [849], [850], [851], [852], [853], [854], [859], [860], [863], [864], [865], [866], [867], [868], [869], [870], [903], [904], [905], [909], [910], [911], [912], [913] [2018-12-08 17:56:01,020 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:56:01,020 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:56:01,401 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:56:01,402 INFO L272 AbstractInterpreter]: Visited 29 different actions 42 times. Merged at 5 different actions 5 times. Never widened. Performed 2612 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2612 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Never found a fixpoint. Largest state had 204 variables. [2018-12-08 17:56:01,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:01,407 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:56:01,573 INFO L227 lantSequenceWeakener]: Weakened 20 states. On average, predicates are now at 92.73% of their original sizes. [2018-12-08 17:56:01,573 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:56:01,615 INFO L418 sIntCurrentIteration]: We unified 179 AI predicates to 179 [2018-12-08 17:56:01,615 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:56:01,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:56:01,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-12-08 17:56:01,616 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:56:01,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 17:56:01,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 17:56:01,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:56:01,617 INFO L87 Difference]: Start difference. First operand 2611 states and 3371 transitions. Second operand 9 states. [2018-12-08 17:56:05,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:56:05,575 INFO L93 Difference]: Finished difference Result 5197 states and 6717 transitions. [2018-12-08 17:56:05,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 17:56:05,576 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 180 [2018-12-08 17:56:05,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:56:05,581 INFO L225 Difference]: With dead ends: 5197 [2018-12-08 17:56:05,581 INFO L226 Difference]: Without dead ends: 2612 [2018-12-08 17:56:05,584 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 180 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:56:05,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2018-12-08 17:56:05,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2612. [2018-12-08 17:56:05,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2612 states. [2018-12-08 17:56:05,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3372 transitions. [2018-12-08 17:56:05,656 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3372 transitions. Word has length 180 [2018-12-08 17:56:05,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:56:05,656 INFO L480 AbstractCegarLoop]: Abstraction has 2612 states and 3372 transitions. [2018-12-08 17:56:05,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 17:56:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3372 transitions. [2018-12-08 17:56:05,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-08 17:56:05,659 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:56:05,659 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:56:05,659 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:56:05,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:05,659 INFO L82 PathProgramCache]: Analyzing trace with hash 605646797, now seen corresponding path program 1 times [2018-12-08 17:56:05,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:56:05,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:05,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:05,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:05,662 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 17:56:05,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:05,775 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:56:05,775 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-12-08 17:56:05,776 INFO L205 CegarAbsIntRunner]: [6], [8], [11], [13], [15], [132], [135], [138], [141], [144], [146], [150], [153], [156], [158], [161], [170], [189], [192], [195], [198], [201], [203], [213], [297], [298], [301], [310], [315], [327], [331], [336], [337], [338], [339], [340], [341], [347], [348], [371], [373], [375], [377], [378], [383], [384], [389], [390], [415], [417], [418], [421], [446], [449], [451], [456], [463], [467], [476], [478], [481], [491], [494], [499], [500], [502], [503], [504], [506], [510], [512], [513], [520], [522], [523], [528], [535], [537], [538], [544], [545], [547], [548], [549], [551], [553], [554], [648], [652], [654], [655], [714], [715], [718], [720], [725], [733], [736], [737], [739], [740], [749], [750], [751], [752], [753], [754], [755], [756], [771], [772], [773], [774], [775], [776], [779], [780], [795], [797], [798], [807], [808], [809], [810], [811], [812], [815], [816], [829], [830], [837], [838], [847], [848], [849], [850], [851], [852], [853], [854], [859], [860], [863], [864], [865], [866], [867], [868], [869], [870], [903], [904], [905], [909], [910], [911], [912], [913] [2018-12-08 17:56:05,780 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:56:05,780 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:56:11,168 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:56:11,168 INFO L272 AbstractInterpreter]: Visited 158 different actions 2482 times. Merged at 65 different actions 731 times. Widened at 3 different actions 3 times. Performed 91549 root evaluator evaluations with a maximum evaluation depth of 10. Performed 91549 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 100 fixpoints after 9 different actions. Largest state had 218 variables. [2018-12-08 17:56:11,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:11,171 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:56:11,171 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:11,171 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:56:11,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:11,184 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:56:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:11,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:56:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 17:56:11,394 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:56:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 17:56:11,560 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:56:11,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-08 17:56:11,561 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:56:11,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 17:56:11,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 17:56:11,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-12-08 17:56:11,562 INFO L87 Difference]: Start difference. First operand 2612 states and 3372 transitions. Second operand 8 states. [2018-12-08 17:56:11,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:56:11,669 INFO L93 Difference]: Finished difference Result 5201 states and 6720 transitions. [2018-12-08 17:56:11,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 17:56:11,670 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 182 [2018-12-08 17:56:11,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:56:11,676 INFO L225 Difference]: With dead ends: 5201 [2018-12-08 17:56:11,676 INFO L226 Difference]: Without dead ends: 2613 [2018-12-08 17:56:11,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 358 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-12-08 17:56:11,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2018-12-08 17:56:11,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2613. [2018-12-08 17:56:11,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2613 states. [2018-12-08 17:56:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 3373 transitions. [2018-12-08 17:56:11,769 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 3373 transitions. Word has length 182 [2018-12-08 17:56:11,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:56:11,769 INFO L480 AbstractCegarLoop]: Abstraction has 2613 states and 3373 transitions. [2018-12-08 17:56:11,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 17:56:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3373 transitions. [2018-12-08 17:56:11,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:56:11,773 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:56:11,773 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 3, 3, 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] [2018-12-08 17:56:11,773 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:56:11,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:11,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1186495857, now seen corresponding path program 2 times [2018-12-08 17:56:11,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:56:11,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:11,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:11,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:11,776 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:11,936 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 17:56:11,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:11,937 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:56:11,937 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-08 17:56:11,937 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-08 17:56:11,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:11,937 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:56:11,947 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-08 17:56:11,947 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-08 17:56:12,052 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2018-12-08 17:56:12,052 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 17:56:12,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:56:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 17:56:12,194 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:56:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 17:56:12,761 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:56:12,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [6] total 23 [2018-12-08 17:56:12,761 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:56:12,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 17:56:12,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 17:56:12,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2018-12-08 17:56:12,762 INFO L87 Difference]: Start difference. First operand 2613 states and 3373 transitions. Second operand 11 states. [2018-12-08 17:56:12,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:56:12,960 INFO L93 Difference]: Finished difference Result 5469 states and 7173 transitions. [2018-12-08 17:56:12,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 17:56:12,961 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2018-12-08 17:56:12,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:56:12,969 INFO L225 Difference]: With dead ends: 5469 [2018-12-08 17:56:12,969 INFO L226 Difference]: Without dead ends: 2891 [2018-12-08 17:56:12,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 352 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2018-12-08 17:56:12,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2018-12-08 17:56:13,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2661. [2018-12-08 17:56:13,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2661 states. [2018-12-08 17:56:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 3421 transitions. [2018-12-08 17:56:13,045 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 3421 transitions. Word has length 184 [2018-12-08 17:56:13,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:56:13,045 INFO L480 AbstractCegarLoop]: Abstraction has 2661 states and 3421 transitions. [2018-12-08 17:56:13,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 17:56:13,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3421 transitions. [2018-12-08 17:56:13,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 17:56:13,048 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:56:13,048 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 3, 3, 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] [2018-12-08 17:56:13,048 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:56:13,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:13,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1185012503, now seen corresponding path program 1 times [2018-12-08 17:56:13,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:56:13,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:13,050 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 17:56:13,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:13,050 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:13,145 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 17:56:13,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:13,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:56:13,146 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-12-08 17:56:13,146 INFO L205 CegarAbsIntRunner]: [6], [8], [11], [13], [15], [132], [135], [138], [141], [144], [146], [150], [153], [156], [158], [161], [170], [189], [192], [195], [198], [201], [203], [213], [297], [298], [301], [310], [315], [327], [331], [336], [339], [340], [341], [347], [348], [371], [373], [375], [377], [378], [383], [384], [389], [390], [415], [417], [418], [421], [424], [426], [429], [499], [500], [502], [503], [504], [506], [510], [512], [513], [520], [522], [523], [528], [544], [545], [547], [548], [549], [551], [553], [554], [648], [652], [654], [655], [714], [715], [718], [720], [725], [733], [736], [737], [739], [740], [749], [750], [751], [752], [753], [754], [755], [756], [771], [772], [773], [774], [775], [776], [779], [780], [795], [797], [798], [807], [808], [809], [810], [811], [812], [815], [816], [817], [818], [847], [848], [849], [850], [851], [852], [853], [854], [863], [864], [865], [866], [867], [868], [869], [870], [903], [904], [905], [909], [910], [911], [912], [913] [2018-12-08 17:56:13,149 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:56:13,149 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:56:19,618 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:56:19,618 INFO L272 AbstractInterpreter]: Visited 141 different actions 2675 times. Merged at 65 different actions 832 times. Widened at 3 different actions 3 times. Performed 122550 root evaluator evaluations with a maximum evaluation depth of 10. Performed 122550 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 118 fixpoints after 11 different actions. Largest state had 207 variables. [2018-12-08 17:56:19,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:19,620 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:56:19,620 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:19,620 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:56:19,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:19,629 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:56:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:19,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:56:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 17:56:19,775 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:56:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-08 17:56:19,897 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:56:19,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2018-12-08 17:56:19,897 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:56:19,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 17:56:19,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 17:56:19,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2018-12-08 17:56:19,898 INFO L87 Difference]: Start difference. First operand 2661 states and 3421 transitions. Second operand 10 states. [2018-12-08 17:56:19,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:56:19,967 INFO L93 Difference]: Finished difference Result 5299 states and 6818 transitions. [2018-12-08 17:56:19,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 17:56:19,967 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2018-12-08 17:56:19,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:56:19,973 INFO L225 Difference]: With dead ends: 5299 [2018-12-08 17:56:19,973 INFO L226 Difference]: Without dead ends: 2662 [2018-12-08 17:56:19,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 326 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2018-12-08 17:56:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2018-12-08 17:56:20,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2662. [2018-12-08 17:56:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2662 states. [2018-12-08 17:56:20,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 3422 transitions. [2018-12-08 17:56:20,033 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 3422 transitions. Word has length 167 [2018-12-08 17:56:20,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:56:20,033 INFO L480 AbstractCegarLoop]: Abstraction has 2662 states and 3422 transitions. [2018-12-08 17:56:20,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 17:56:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3422 transitions. [2018-12-08 17:56:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-08 17:56:20,036 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:56:20,036 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 3, 3, 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] [2018-12-08 17:56:20,036 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:56:20,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:20,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1945116075, now seen corresponding path program 2 times [2018-12-08 17:56:20,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:56:20,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:20,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:20,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:20,039 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-08 17:56:20,119 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:20,120 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:56:20,120 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-08 17:56:20,120 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-08 17:56:20,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:20,120 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:56:20,134 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-08 17:56:20,134 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-08 17:56:20,247 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2018-12-08 17:56:20,247 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 17:56:20,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:56:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-12-08 17:56:20,373 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:56:20,883 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-12-08 17:56:20,898 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:56:20,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [7] total 24 [2018-12-08 17:56:20,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:56:20,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 17:56:20,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 17:56:20,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2018-12-08 17:56:20,899 INFO L87 Difference]: Start difference. First operand 2662 states and 3422 transitions. Second operand 11 states. [2018-12-08 17:56:21,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:56:21,054 INFO L93 Difference]: Finished difference Result 5566 states and 7246 transitions. [2018-12-08 17:56:21,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 17:56:21,055 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 169 [2018-12-08 17:56:21,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:56:21,060 INFO L225 Difference]: With dead ends: 5566 [2018-12-08 17:56:21,060 INFO L226 Difference]: Without dead ends: 2940 [2018-12-08 17:56:21,063 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2018-12-08 17:56:21,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states. [2018-12-08 17:56:21,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2678. [2018-12-08 17:56:21,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2678 states. [2018-12-08 17:56:21,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2678 states and 3438 transitions. [2018-12-08 17:56:21,119 INFO L78 Accepts]: Start accepts. Automaton has 2678 states and 3438 transitions. Word has length 169 [2018-12-08 17:56:21,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:56:21,119 INFO L480 AbstractCegarLoop]: Abstraction has 2678 states and 3438 transitions. [2018-12-08 17:56:21,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 17:56:21,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2678 states and 3438 transitions. [2018-12-08 17:56:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-08 17:56:21,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:56:21,123 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:56:21,123 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:56:21,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:21,123 INFO L82 PathProgramCache]: Analyzing trace with hash 685384495, now seen corresponding path program 1 times [2018-12-08 17:56:21,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:56:21,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:21,125 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 17:56:21,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:21,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 17:56:21,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:21,222 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:56:21,222 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-12-08 17:56:21,222 INFO L205 CegarAbsIntRunner]: [6], [8], [11], [13], [15], [132], [135], [138], [141], [144], [146], [150], [153], [156], [158], [161], [170], [189], [192], [195], [198], [201], [203], [213], [297], [298], [301], [310], [315], [327], [331], [336], [337], [338], [339], [340], [341], [347], [348], [371], [373], [375], [377], [378], [383], [384], [389], [390], [391], [397], [403], [404], [415], [417], [418], [421], [446], [449], [451], [456], [463], [467], [476], [478], [482], [484], [486], [489], [491], [494], [496], [498], [499], [500], [502], [503], [504], [506], [510], [512], [513], [520], [522], [523], [524], [526], [527], [528], [535], [537], [538], [544], [545], [547], [548], [549], [551], [553], [554], [648], [652], [654], [655], [656], [657], [714], [715], [718], [720], [725], [733], [736], [737], [739], [740], [749], [750], [751], [752], [753], [754], [755], [756], [771], [772], [773], [774], [775], [776], [779], [780], [795], [797], [798], [807], [808], [809], [810], [811], [812], [815], [816], [829], [830], [837], [838], [839], [840], [841], [842], [843], [844], [845], [846], [847], [848], [849], [850], [851], [852], [853], [854], [855], [856], [859], [860], [863], [864], [865], [866], [867], [868], [869], [870], [903], [904], [905], [909], [910], [911], [912], [913] [2018-12-08 17:56:21,224 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:56:21,224 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:56:31,465 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:56:31,465 INFO L272 AbstractInterpreter]: Visited 182 different actions 4332 times. Merged at 83 different actions 1219 times. Widened at 3 different actions 3 times. Performed 206900 root evaluator evaluations with a maximum evaluation depth of 10. Performed 206900 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 150 fixpoints after 15 different actions. Largest state had 228 variables. [2018-12-08 17:56:31,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:31,466 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:56:31,467 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:31,467 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:56:31,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:31,476 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:56:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:31,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:56:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 17:56:31,639 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:56:31,785 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 17:56:31,801 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:56:31,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2018-12-08 17:56:31,802 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:56:31,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 17:56:31,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 17:56:31,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2018-12-08 17:56:31,803 INFO L87 Difference]: Start difference. First operand 2678 states and 3438 transitions. Second operand 12 states. [2018-12-08 17:56:31,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:56:31,871 INFO L93 Difference]: Finished difference Result 5333 states and 6852 transitions. [2018-12-08 17:56:31,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:56:31,872 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 220 [2018-12-08 17:56:31,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:56:31,877 INFO L225 Difference]: With dead ends: 5333 [2018-12-08 17:56:31,877 INFO L226 Difference]: Without dead ends: 2679 [2018-12-08 17:56:31,880 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 430 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2018-12-08 17:56:31,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2679 states. [2018-12-08 17:56:31,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2679 to 2679. [2018-12-08 17:56:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2679 states. [2018-12-08 17:56:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 3439 transitions. [2018-12-08 17:56:31,942 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 3439 transitions. Word has length 220 [2018-12-08 17:56:31,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:56:31,942 INFO L480 AbstractCegarLoop]: Abstraction has 2679 states and 3439 transitions. [2018-12-08 17:56:31,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 17:56:31,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3439 transitions. [2018-12-08 17:56:31,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 17:56:31,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:56:31,947 INFO L402 BasicCegarLoop]: trace histogram [8, 6, 6, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:56:31,947 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:56:31,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:31,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1179009807, now seen corresponding path program 2 times [2018-12-08 17:56:31,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:56:31,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:31,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:31,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:31,950 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-08 17:56:32,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:56:32,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 17:56:32,126 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:56:32,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 17:56:32,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 17:56:32,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:56:32,127 INFO L87 Difference]: Start difference. First operand 2679 states and 3439 transitions. Second operand 7 states. [2018-12-08 17:56:32,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:56:32,303 INFO L93 Difference]: Finished difference Result 5407 states and 7014 transitions. [2018-12-08 17:56:32,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 17:56:32,304 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2018-12-08 17:56:32,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:56:32,311 INFO L225 Difference]: With dead ends: 5407 [2018-12-08 17:56:32,311 INFO L226 Difference]: Without dead ends: 2690 [2018-12-08 17:56:32,316 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:56:32,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2018-12-08 17:56:32,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2018-12-08 17:56:32,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2018-12-08 17:56:32,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3450 transitions. [2018-12-08 17:56:32,456 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3450 transitions. Word has length 222 [2018-12-08 17:56:32,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:56:32,456 INFO L480 AbstractCegarLoop]: Abstraction has 2690 states and 3450 transitions. [2018-12-08 17:56:32,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 17:56:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3450 transitions. [2018-12-08 17:56:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-08 17:56:32,460 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:56:32,460 INFO L402 BasicCegarLoop]: trace histogram [8, 6, 6, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:56:32,460 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:56:32,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:32,460 INFO L82 PathProgramCache]: Analyzing trace with hash -646133742, now seen corresponding path program 1 times [2018-12-08 17:56:32,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:56:32,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:32,463 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 17:56:32,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:56:32,463 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:56:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 17:56:33,029 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:33,030 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:56:33,030 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-08 17:56:33,030 INFO L205 CegarAbsIntRunner]: [6], [8], [11], [13], [15], [132], [135], [138], [141], [144], [146], [150], [153], [156], [158], [161], [170], [189], [192], [195], [198], [201], [203], [213], [297], [298], [301], [310], [315], [327], [331], [336], [337], [338], [339], [340], [341], [345], [347], [348], [371], [373], [375], [377], [378], [383], [384], [389], [390], [391], [397], [403], [404], [415], [417], [418], [421], [446], [449], [451], [456], [463], [467], [476], [478], [482], [484], [486], [489], [491], [494], [496], [498], [499], [500], [502], [503], [504], [506], [510], [512], [513], [520], [522], [523], [524], [526], [527], [528], [535], [537], [538], [544], [545], [547], [548], [549], [551], [553], [554], [648], [652], [654], [655], [656], [657], [714], [715], [718], [720], [725], [733], [736], [737], [739], [740], [749], [750], [751], [752], [753], [754], [755], [756], [771], [772], [773], [774], [775], [776], [779], [780], [795], [797], [798], [807], [808], [809], [810], [811], [812], [815], [816], [829], [830], [837], [838], [839], [840], [841], [842], [843], [844], [845], [846], [847], [848], [849], [850], [851], [852], [853], [854], [855], [856], [859], [860], [863], [864], [865], [866], [867], [868], [869], [870], [903], [904], [905], [909], [910], [911], [912], [913] [2018-12-08 17:56:33,031 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:56:33,031 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:56:44,143 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:56:44,143 INFO L272 AbstractInterpreter]: Visited 183 different actions 5232 times. Merged at 87 different actions 1821 times. Widened at 3 different actions 3 times. Performed 214260 root evaluator evaluations with a maximum evaluation depth of 10. Performed 214260 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 448 fixpoints after 18 different actions. Largest state had 228 variables. [2018-12-08 17:56:44,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:56:44,146 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:56:44,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:56:44,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:56:44,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:56:44,155 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:56:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:56:44,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:56:50,582 WARN L180 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-08 17:56:58,556 WARN L180 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-12-08 17:57:06,097 WARN L180 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-12-08 17:57:21,432 WARN L180 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 33 [2018-12-08 17:57:21,469 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 60 [2018-12-08 17:57:21,472 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 48 [2018-12-08 17:57:21,473 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:21,506 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 17:57:21,513 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 62 [2018-12-08 17:57:21,514 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-08 17:57:21,573 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2018-12-08 17:57:21,576 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 17:57:21,579 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 17:57:21,592 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 62 [2018-12-08 17:57:21,594 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-12-08 17:57:21,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 24 [2018-12-08 17:57:21,646 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:21,677 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 17:57:21,691 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 55 [2018-12-08 17:57:21,693 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 24 [2018-12-08 17:57:21,694 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:21,721 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 33 [2018-12-08 17:57:21,721 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-12-08 17:57:21,735 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 17:57:21,830 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 71 [2018-12-08 17:57:21,841 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 38 [2018-12-08 17:57:21,842 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-12-08 17:57:21,926 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 41 [2018-12-08 17:57:21,928 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-12-08 17:57:21,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2018-12-08 17:57:21,989 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:22,025 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 17:57:22,028 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 17:57:22,043 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 62 [2018-12-08 17:57:22,044 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 4 xjuncts. [2018-12-08 17:57:22,090 INFO L267 ElimStorePlain]: Start of recursive call 11: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-08 17:57:22,176 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-12-08 17:57:22,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 5 xjuncts. [2018-12-08 17:57:22,217 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 5 variables, input treesize:72, output treesize:164 [2018-12-08 17:57:22,388 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-12-08 17:57:22,389 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-12-08 17:57:22,389 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:22,395 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 17:57:22,417 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-12-08 17:57:22,418 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-12-08 17:57:22,418 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:22,423 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 17:57:22,444 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-12-08 17:57:22,445 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-12-08 17:57:22,446 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:22,449 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 17:57:22,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-08 17:57:22,467 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:90, output treesize:49 [2018-12-08 17:57:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 56 proven. 19 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-08 17:57:22,629 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:57:22,841 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 64 [2018-12-08 17:57:22,846 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:57:22,853 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 66 [2018-12-08 17:57:22,854 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-08 17:57:22,906 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2018-12-08 17:57:22,906 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:22,961 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 17:57:22,962 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:57:22,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 64 [2018-12-08 17:57:22,965 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:57:22,967 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 17:57:22,967 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:57:22,969 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 75 [2018-12-08 17:57:22,970 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 17:57:22,983 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 17:57:22,998 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 61 [2018-12-08 17:57:23,000 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 26 [2018-12-08 17:57:23,000 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:23,030 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 38 [2018-12-08 17:57:23,031 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-12-08 17:57:23,044 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 17:57:23,101 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 17:57:23,106 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:57:23,118 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 79 [2018-12-08 17:57:23,123 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 17:57:23,123 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 64 [2018-12-08 17:57:23,124 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 17:57:23,163 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:57:23,163 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:57:23,164 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 17:57:23,165 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:57:23,166 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 17:57:23,167 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 90 [2018-12-08 17:57:23,167 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 17:57:23,211 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 17:57:23,265 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-08 17:57:23,289 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2018-12-08 17:57:23,291 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 17:57:23,291 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 8 [2018-12-08 17:57:23,291 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:23,294 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 17:57:23,296 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2018-12-08 17:57:23,297 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-12-08 17:57:23,298 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:23,304 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 17:57:23,310 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2018-12-08 17:57:23,312 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-12-08 17:57:23,312 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:23,327 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-12-08 17:57:23,328 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-08 17:57:23,347 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2018-12-08 17:57:23,348 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-12-08 17:57:23,355 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 17:57:23,367 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-08 17:57:23,367 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 8 variables, input treesize:70, output treesize:8 [2018-12-08 17:57:23,630 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 17:57:23,633 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 17:57:23,643 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2018-12-08 17:57:23,644 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:74, output treesize:62 [2018-12-08 17:57:23,728 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-12-08 17:57:24,073 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2018-12-08 17:57:24,150 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 17:57:24,203 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 17:57:26,458 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:57:26,459 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: alternation not yet supported at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:347) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:383) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) 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) [2018-12-08 17:57:26,464 INFO L168 Benchmark]: Toolchain (without parser) took 89394.45 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.4 GB). Free memory was 949.6 MB in the beginning and 1.6 GB in the end (delta: -630.3 MB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. [2018-12-08 17:57:26,465 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:57:26,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 99.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:57:26,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:57:26,467 INFO L168 Benchmark]: Boogie Preprocessor took 51.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:57:26,467 INFO L168 Benchmark]: RCFGBuilder took 845.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.9 MB in the end (delta: 155.0 MB). Peak memory consumption was 155.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:57:26,468 INFO L168 Benchmark]: TraceAbstraction took 87710.37 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 904.9 MB in the beginning and 1.6 GB in the end (delta: -675.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-12-08 17:57:26,470 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 754.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 99.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 845.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.9 MB in the end (delta: 155.0 MB). Peak memory consumption was 155.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 87710.37 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 904.9 MB in the beginning and 1.6 GB in the end (delta: -675.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: alternation not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: alternation not yet supported: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:347) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:57:27,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:57:27,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:57:27,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:57:27,819 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:57:27,820 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:57:27,820 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:57:27,821 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:57:27,822 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:57:27,822 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:57:27,822 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:57:27,823 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:57:27,823 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:57:27,823 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:57:27,824 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:57:27,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:57:27,825 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:57:27,826 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:57:27,826 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:57:27,827 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:57:27,828 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:57:27,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:57:27,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:57:27,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:57:27,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:57:27,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:57:27,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:57:27,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:57:27,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:57:27,832 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:57:27,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:57:27,832 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:57:27,832 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:57:27,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:57:27,833 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:57:27,833 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:57:27,833 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-12-08 17:57:27,841 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:57:27,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:57:27,841 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:57:27,841 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:57:27,842 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:57:27,842 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:57:27,842 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:57:27,842 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:57:27,842 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:57:27,842 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:57:27,842 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:57:27,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:57:27,843 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:57:27,843 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:57:27,843 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:57:27,843 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 17:57:27,843 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 17:57:27,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:57:27,843 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:57:27,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:57:27,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:57:27,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:57:27,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:57:27,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:57:27,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:57:27,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:57:27,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:57:27,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:57:27,844 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 17:57:27,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:57:27,844 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 17:57:27,844 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 17:57:27,844 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_291c9600-fbb2-46ae-9302-80fac1cc56cf/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 -> d0b11e5192b5f9cdf39daac868655ea2d41003e8 [2018-12-08 17:57:27,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:57:27,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:57:27,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:57:27,876 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:57:27,876 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:57:27,877 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-12-08 17:57:27,917 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/data/4bb174a4d/23f8ecb63d714a0c90f60b1f3b8baac7/FLAGe3727e601 [2018-12-08 17:57:28,440 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:57:28,440 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-12-08 17:57:28,455 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/data/4bb174a4d/23f8ecb63d714a0c90f60b1f3b8baac7/FLAGe3727e601 [2018-12-08 17:57:28,945 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/data/4bb174a4d/23f8ecb63d714a0c90f60b1f3b8baac7 [2018-12-08 17:57:28,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:57:28,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:57:28,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:57:28,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:57:28,951 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:57:28,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:57:28" (1/1) ... [2018-12-08 17:57:28,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@430002c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:28, skipping insertion in model container [2018-12-08 17:57:28,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:57:28" (1/1) ... [2018-12-08 17:57:28,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:57:29,003 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:57:29,636 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:57:29,655 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:57:29,756 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:57:29,787 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:57:29,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29 WrapperNode [2018-12-08 17:57:29,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:57:29,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:57:29,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:57:29,788 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:57:29,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29" (1/1) ... [2018-12-08 17:57:29,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29" (1/1) ... [2018-12-08 17:57:29,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:57:29,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:57:29,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:57:29,816 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:57:29,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29" (1/1) ... [2018-12-08 17:57:29,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29" (1/1) ... [2018-12-08 17:57:29,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29" (1/1) ... [2018-12-08 17:57:29,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29" (1/1) ... [2018-12-08 17:57:29,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29" (1/1) ... [2018-12-08 17:57:29,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29" (1/1) ... [2018-12-08 17:57:29,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29" (1/1) ... [2018-12-08 17:57:29,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:57:29,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:57:29,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:57:29,867 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:57:29,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/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 [2018-12-08 17:57:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-12-08 17:57:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2018-12-08 17:57:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-08 17:57:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-12-08 17:57:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-12-08 17:57:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-12-08 17:57:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:57:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 17:57:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 17:57:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 17:57:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2018-12-08 17:57:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2018-12-08 17:57:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-12-08 17:57:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-12-08 17:57:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-08 17:57:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-08 17:57:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-08 17:57:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-08 17:57:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-12-08 17:57:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2018-12-08 17:57:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 17:57:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 17:57:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2018-12-08 17:57:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2018-12-08 17:57:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2018-12-08 17:57:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2018-12-08 17:57:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-12-08 17:57:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2018-12-08 17:57:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2018-12-08 17:57:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2018-12-08 17:57:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-12-08 17:57:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2018-12-08 17:57:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 17:57:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 17:57:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-12-08 17:57:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-12-08 17:57:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-12-08 17:57:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2018-12-08 17:57:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 17:57:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 17:57:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-12-08 17:57:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-12-08 17:57:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2018-12-08 17:57:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2018-12-08 17:57:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2018-12-08 17:57:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2018-12-08 17:57:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2018-12-08 17:57:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2018-12-08 17:57:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-12-08 17:57:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-12-08 17:57:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-12-08 17:57:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2018-12-08 17:57:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 17:57:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-08 17:57:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-12-08 17:57:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-12-08 17:57:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-12-08 17:57:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2018-12-08 17:57:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-08 17:57:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-12-08 17:57:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-12-08 17:57:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-12-08 17:57:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2018-12-08 17:57:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2018-12-08 17:57:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 17:57:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 17:57:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2018-12-08 17:57:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2018-12-08 17:57:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_bind [2018-12-08 17:57:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_bind [2018-12-08 17:57:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:57:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:57:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2018-12-08 17:57:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2018-12-08 17:57:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-12-08 17:57:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-12-08 17:57:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-12-08 17:57:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-12-08 17:57:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:57:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:57:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 17:57:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2018-12-08 17:57:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2018-12-08 17:57:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-08 17:57:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-12-08 17:57:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-12-08 17:57:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-12-08 17:57:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2018-12-08 17:57:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 17:57:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-12-08 17:57:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-12-08 17:57:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-12-08 17:57:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2018-12-08 17:57:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-12-08 17:57:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-12-08 17:57:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-12-08 17:57:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 17:57:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:57:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 17:57:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2018-12-08 17:57:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2018-12-08 17:57:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_init [2018-12-08 17:57:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_init [2018-12-08 17:57:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-12-08 17:57:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-08 17:57:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-12-08 17:57:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-12-08 17:57:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2018-12-08 17:57:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-08 17:57:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-08 17:57:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-12-08 17:57:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-12-08 17:57:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_exit [2018-12-08 17:57:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_exit [2018-12-08 17:57:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2018-12-08 17:57:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2018-12-08 17:57:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2018-12-08 17:57:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2018-12-08 17:57:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2018-12-08 17:57:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2018-12-08 17:57:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2018-12-08 17:57:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_unbind [2018-12-08 17:57:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_unbind [2018-12-08 17:57:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-12-08 17:57:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2018-12-08 17:57:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-08 17:57:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-08 17:57:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 17:57:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 17:57:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:57:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:57:32,111 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:57:32,112 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 17:57:32,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:57:32 BoogieIcfgContainer [2018-12-08 17:57:32,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:57:32,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:57:32,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:57:32,114 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:57:32,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:57:28" (1/3) ... [2018-12-08 17:57:32,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5990550f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:57:32, skipping insertion in model container [2018-12-08 17:57:32,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:57:29" (2/3) ... [2018-12-08 17:57:32,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5990550f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:57:32, skipping insertion in model container [2018-12-08 17:57:32,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:57:32" (3/3) ... [2018-12-08 17:57:32,116 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-12-08 17:57:32,122 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:57:32,126 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:57:32,135 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:57:32,153 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 17:57:32,153 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:57:32,153 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:57:32,153 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:57:32,154 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:57:32,154 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:57:32,154 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:57:32,154 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:57:32,154 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:57:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states. [2018-12-08 17:57:32,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 17:57:32,174 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:57:32,174 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 17:57:32,176 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:57:32,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:57:32,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1034358343, now seen corresponding path program 1 times [2018-12-08 17:57:32,182 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 17:57:32,182 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 17:57:32,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:57:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:57:32,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:57:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 17:57:32,343 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 17:57:32,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:57:32,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 17:57:32,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 17:57:32,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 17:57:32,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:57:32,357 INFO L87 Difference]: Start difference. First operand 408 states. Second operand 2 states. [2018-12-08 17:57:32,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:57:32,381 INFO L93 Difference]: Finished difference Result 408 states and 522 transitions. [2018-12-08 17:57:32,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 17:57:32,382 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 60 [2018-12-08 17:57:32,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:57:32,385 INFO L225 Difference]: With dead ends: 408 [2018-12-08 17:57:32,386 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:57:32,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 17:57:32,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:57:32,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:57:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:57:32,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:57:32,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-12-08 17:57:32,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:57:32,404 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:57:32,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 17:57:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:57:32,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:57:32,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:57:32,574 INFO L448 ceAbstractionStarter]: For program point usbnet_resumeFINAL(lines 6495 6497) no Hoare annotation was computed. [2018-12-08 17:57:32,574 INFO L451 ceAbstractionStarter]: At program point usbnet_resumeENTRY(lines 6495 6497) the Hoare annotation is: true [2018-12-08 17:57:32,574 INFO L448 ceAbstractionStarter]: For program point usbnet_resumeEXIT(lines 6495 6497) no Hoare annotation was computed. [2018-12-08 17:57:32,574 INFO L451 ceAbstractionStarter]: At program point L5454(line 5454) the Hoare annotation is: true [2018-12-08 17:57:32,574 INFO L451 ceAbstractionStarter]: At program point __kmallocENTRY(lines 5452 5455) the Hoare annotation is: true [2018-12-08 17:57:32,574 INFO L448 ceAbstractionStarter]: For program point L5454-1(line 5454) no Hoare annotation was computed. [2018-12-08 17:57:32,574 INFO L448 ceAbstractionStarter]: For program point __kmallocFINAL(lines 5452 5455) no Hoare annotation was computed. [2018-12-08 17:57:32,575 INFO L448 ceAbstractionStarter]: For program point __kmallocEXIT(lines 5452 5455) no Hoare annotation was computed. [2018-12-08 17:57:32,575 INFO L451 ceAbstractionStarter]: At program point L6047(line 6047) the Hoare annotation is: true [2018-12-08 17:57:32,575 INFO L448 ceAbstractionStarter]: For program point L6113(line 6113) no Hoare annotation was computed. [2018-12-08 17:57:32,575 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 5964 6152) no Hoare annotation was computed. [2018-12-08 17:57:32,575 INFO L448 ceAbstractionStarter]: For program point L6114(lines 6114 6122) no Hoare annotation was computed. [2018-12-08 17:57:32,575 INFO L451 ceAbstractionStarter]: At program point L6131(line 6131) the Hoare annotation is: true [2018-12-08 17:57:32,575 INFO L448 ceAbstractionStarter]: For program point L6131-1(line 6131) no Hoare annotation was computed. [2018-12-08 17:57:32,575 INFO L448 ceAbstractionStarter]: For program point L6065(line 6065) no Hoare annotation was computed. [2018-12-08 17:57:32,575 INFO L451 ceAbstractionStarter]: At program point L6115(line 6115) the Hoare annotation is: true [2018-12-08 17:57:32,575 INFO L448 ceAbstractionStarter]: For program point L6082(line 6082) no Hoare annotation was computed. [2018-12-08 17:57:32,575 INFO L448 ceAbstractionStarter]: For program point L6115-1(line 6115) no Hoare annotation was computed. [2018-12-08 17:57:32,575 INFO L448 ceAbstractionStarter]: For program point L6016(line 6016) no Hoare annotation was computed. [2018-12-08 17:57:32,575 INFO L448 ceAbstractionStarter]: For program point L6066(lines 6066 6080) no Hoare annotation was computed. [2018-12-08 17:57:32,576 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 5964 6152) no Hoare annotation was computed. [2018-12-08 17:57:32,576 INFO L451 ceAbstractionStarter]: At program point L6083(line 6083) the Hoare annotation is: true [2018-12-08 17:57:32,576 INFO L448 ceAbstractionStarter]: For program point L6149(line 6149) no Hoare annotation was computed. [2018-12-08 17:57:32,576 INFO L448 ceAbstractionStarter]: For program point L6116(lines 6116 6120) no Hoare annotation was computed. [2018-12-08 17:57:32,576 INFO L448 ceAbstractionStarter]: For program point L6017(lines 6017 6024) no Hoare annotation was computed. [2018-12-08 17:57:32,576 INFO L451 ceAbstractionStarter]: At program point L6067(line 6067) the Hoare annotation is: true [2018-12-08 17:57:32,576 INFO L448 ceAbstractionStarter]: For program point L6100-1(line 6100) no Hoare annotation was computed. [2018-12-08 17:57:32,576 INFO L448 ceAbstractionStarter]: For program point L6067-1(line 6067) no Hoare annotation was computed. [2018-12-08 17:57:32,576 INFO L451 ceAbstractionStarter]: At program point L6100(line 6100) the Hoare annotation is: true [2018-12-08 17:57:32,576 INFO L451 ceAbstractionStarter]: At program point L6018(line 6018) the Hoare annotation is: true [2018-12-08 17:57:32,576 INFO L448 ceAbstractionStarter]: For program point L6018-1(line 6018) no Hoare annotation was computed. [2018-12-08 17:57:32,576 INFO L448 ceAbstractionStarter]: For program point L6068-1(lines 6066 6079) no Hoare annotation was computed. [2018-12-08 17:57:32,576 INFO L448 ceAbstractionStarter]: For program point L6002(line 6002) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L6068(lines 6068 6073) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L6019(lines 6019 6022) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L5986(lines 5986 6145) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L6003(lines 6003 6008) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L6036(line 6036) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L6003-2(lines 5990 6048) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L5987(line 5987) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L6053(line 6053) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L6136(line 6136) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L6004-1(line 6004) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L6037(lines 6037 6044) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L451 ceAbstractionStarter]: At program point L6004(line 6004) the Hoare annotation is: true [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L6054(lines 6054 6087) no Hoare annotation was computed. [2018-12-08 17:57:32,577 INFO L448 ceAbstractionStarter]: For program point L5988(lines 5988 6051) no Hoare annotation was computed. [2018-12-08 17:57:32,578 INFO L451 ceAbstractionStarter]: At program point L6071(line 6071) the Hoare annotation is: true [2018-12-08 17:57:32,578 INFO L451 ceAbstractionStarter]: At program point L6038(line 6038) the Hoare annotation is: true [2018-12-08 17:57:32,578 INFO L451 ceAbstractionStarter]: At program point L6137(line 6137) the Hoare annotation is: true [2018-12-08 17:57:32,578 INFO L448 ceAbstractionStarter]: For program point L6038-1(line 6038) no Hoare annotation was computed. [2018-12-08 17:57:32,578 INFO L448 ceAbstractionStarter]: For program point L6039(lines 6039 6042) no Hoare annotation was computed. [2018-12-08 17:57:32,578 INFO L448 ceAbstractionStarter]: For program point L6105(line 6105) no Hoare annotation was computed. [2018-12-08 17:57:32,578 INFO L448 ceAbstractionStarter]: For program point L5990(lines 5990 6048) no Hoare annotation was computed. [2018-12-08 17:57:32,578 INFO L448 ceAbstractionStarter]: For program point L6089(line 6089) no Hoare annotation was computed. [2018-12-08 17:57:32,578 INFO L448 ceAbstractionStarter]: For program point L6056(lines 6056 6084) no Hoare annotation was computed. [2018-12-08 17:57:32,578 INFO L448 ceAbstractionStarter]: For program point L6106(lines 6106 6111) no Hoare annotation was computed. [2018-12-08 17:57:32,578 INFO L448 ceAbstractionStarter]: For program point L6090(lines 6090 6141) no Hoare annotation was computed. [2018-12-08 17:57:32,578 INFO L448 ceAbstractionStarter]: For program point L5991(line 5991) no Hoare annotation was computed. [2018-12-08 17:57:32,578 INFO L448 ceAbstractionStarter]: For program point L6057(line 6057) no Hoare annotation was computed. [2018-12-08 17:57:32,579 INFO L451 ceAbstractionStarter]: At program point L6107(line 6107) the Hoare annotation is: true [2018-12-08 17:57:32,579 INFO L448 ceAbstractionStarter]: For program point L6107-1(line 6107) no Hoare annotation was computed. [2018-12-08 17:57:32,579 INFO L451 ceAbstractionStarter]: At program point L5975(line 5975) the Hoare annotation is: true [2018-12-08 17:57:32,579 INFO L448 ceAbstractionStarter]: For program point L5975-1(line 5975) no Hoare annotation was computed. [2018-12-08 17:57:32,579 INFO L448 ceAbstractionStarter]: For program point L6058(lines 6058 6063) no Hoare annotation was computed. [2018-12-08 17:57:32,579 INFO L448 ceAbstractionStarter]: For program point L6124(line 6124) no Hoare annotation was computed. [2018-12-08 17:57:32,579 INFO L448 ceAbstractionStarter]: For program point L5992(lines 5992 6000) no Hoare annotation was computed. [2018-12-08 17:57:32,579 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 5964 6152) the Hoare annotation is: true [2018-12-08 17:57:32,579 INFO L451 ceAbstractionStarter]: At program point L6059(line 6059) the Hoare annotation is: true [2018-12-08 17:57:32,579 INFO L448 ceAbstractionStarter]: For program point L6125-2(lines 6092 6138) no Hoare annotation was computed. [2018-12-08 17:57:32,579 INFO L448 ceAbstractionStarter]: For program point L6026(line 6026) no Hoare annotation was computed. [2018-12-08 17:57:32,579 INFO L448 ceAbstractionStarter]: For program point L6059-1(line 6059) no Hoare annotation was computed. [2018-12-08 17:57:32,579 INFO L448 ceAbstractionStarter]: For program point L6125(lines 6125 6129) no Hoare annotation was computed. [2018-12-08 17:57:32,579 INFO L448 ceAbstractionStarter]: For program point L6092(lines 6092 6138) no Hoare annotation was computed. [2018-12-08 17:57:32,580 INFO L451 ceAbstractionStarter]: At program point L5993(line 5993) the Hoare annotation is: true [2018-12-08 17:57:32,580 INFO L448 ceAbstractionStarter]: For program point L5993-1(line 5993) no Hoare annotation was computed. [2018-12-08 17:57:32,580 INFO L451 ceAbstractionStarter]: At program point L6010(line 6010) the Hoare annotation is: true [2018-12-08 17:57:32,580 INFO L451 ceAbstractionStarter]: At program point L6076(lines 5974 6151) the Hoare annotation is: true [2018-12-08 17:57:32,580 INFO L451 ceAbstractionStarter]: At program point L5977(line 5977) the Hoare annotation is: true [2018-12-08 17:57:32,580 INFO L448 ceAbstractionStarter]: For program point L6010-1(line 6010) no Hoare annotation was computed. [2018-12-08 17:57:32,580 INFO L451 ceAbstractionStarter]: At program point L5977-1(line 5977) the Hoare annotation is: true [2018-12-08 17:57:32,580 INFO L451 ceAbstractionStarter]: At program point L6126(line 6126) the Hoare annotation is: true [2018-12-08 17:57:32,580 INFO L448 ceAbstractionStarter]: For program point L6027(lines 6027 6034) no Hoare annotation was computed. [2018-12-08 17:57:32,580 INFO L448 ceAbstractionStarter]: For program point L5994(lines 5994 5998) no Hoare annotation was computed. [2018-12-08 17:57:32,580 INFO L448 ceAbstractionStarter]: For program point L6093(line 6093) no Hoare annotation was computed. [2018-12-08 17:57:32,580 INFO L448 ceAbstractionStarter]: For program point L6126-1(line 6126) no Hoare annotation was computed. [2018-12-08 17:57:32,580 INFO L448 ceAbstractionStarter]: For program point L6143(line 6143) no Hoare annotation was computed. [2018-12-08 17:57:32,580 INFO L448 ceAbstractionStarter]: For program point L5978(line 5978) no Hoare annotation was computed. [2018-12-08 17:57:32,581 INFO L448 ceAbstractionStarter]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2018-12-08 17:57:32,581 INFO L448 ceAbstractionStarter]: For program point L6028-1(line 6028) no Hoare annotation was computed. [2018-12-08 17:57:32,581 INFO L451 ceAbstractionStarter]: At program point L6028(line 6028) the Hoare annotation is: true [2018-12-08 17:57:32,581 INFO L448 ceAbstractionStarter]: For program point L6094-2(lines 6092 6138) no Hoare annotation was computed. [2018-12-08 17:57:32,581 INFO L451 ceAbstractionStarter]: At program point L6144(line 6144) the Hoare annotation is: true [2018-12-08 17:57:32,581 INFO L451 ceAbstractionStarter]: At program point L5979(line 5979) the Hoare annotation is: true [2018-12-08 17:57:32,581 INFO L448 ceAbstractionStarter]: For program point L5979-1(line 5979) no Hoare annotation was computed. [2018-12-08 17:57:32,581 INFO L451 ceAbstractionStarter]: At program point L6095(line 6095) the Hoare annotation is: true [2018-12-08 17:57:32,581 INFO L448 ceAbstractionStarter]: For program point L6095-1(line 6095) no Hoare annotation was computed. [2018-12-08 17:57:32,581 INFO L448 ceAbstractionStarter]: For program point L6029(lines 6029 6032) no Hoare annotation was computed. [2018-12-08 17:57:32,581 INFO L448 ceAbstractionStarter]: For program point L6046(line 6046) no Hoare annotation was computed. [2018-12-08 17:57:32,581 INFO L451 ceAbstractionStarter]: At program point L6146(lines 5974 6151) the Hoare annotation is: true [2018-12-08 17:57:32,581 INFO L451 ceAbstractionStarter]: At program point ldv_set_initENTRY(lines 6222 6229) the Hoare annotation is: true [2018-12-08 17:57:32,581 INFO L448 ceAbstractionStarter]: For program point ldv_set_initEXIT(lines 6222 6229) no Hoare annotation was computed. [2018-12-08 17:57:32,582 INFO L448 ceAbstractionStarter]: For program point ldv_set_initFINAL(lines 6222 6229) no Hoare annotation was computed. [2018-12-08 17:57:32,582 INFO L448 ceAbstractionStarter]: For program point usb_bulk_msgFINAL(lines 6469 6471) no Hoare annotation was computed. [2018-12-08 17:57:32,582 INFO L451 ceAbstractionStarter]: At program point usb_bulk_msgENTRY(lines 6469 6471) the Hoare annotation is: true [2018-12-08 17:57:32,582 INFO L448 ceAbstractionStarter]: For program point usb_bulk_msgEXIT(lines 6469 6471) no Hoare annotation was computed. [2018-12-08 17:57:32,582 INFO L448 ceAbstractionStarter]: For program point L6241(lines 6241 6244) no Hoare annotation was computed. [2018-12-08 17:57:32,582 INFO L448 ceAbstractionStarter]: For program point ldv_set_addEXIT(lines 6231 6254) no Hoare annotation was computed. [2018-12-08 17:57:32,582 INFO L448 ceAbstractionStarter]: For program point L6237(lines 6237 6240) no Hoare annotation was computed. [2018-12-08 17:57:32,582 INFO L448 ceAbstractionStarter]: For program point L6237-1(lines 6237 6240) no Hoare annotation was computed. [2018-12-08 17:57:32,582 INFO L451 ceAbstractionStarter]: At program point L6236-2(lines 6236 6246) the Hoare annotation is: true [2018-12-08 17:57:32,582 INFO L448 ceAbstractionStarter]: For program point L6236-3(lines 6234 6253) no Hoare annotation was computed. [2018-12-08 17:57:32,582 INFO L448 ceAbstractionStarter]: For program point L6247-1(lines 6231 6254) no Hoare annotation was computed. [2018-12-08 17:57:32,582 INFO L451 ceAbstractionStarter]: At program point ldv_set_addENTRY(lines 6231 6254) the Hoare annotation is: true [2018-12-08 17:57:32,582 INFO L448 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 5565 5571) no Hoare annotation was computed. [2018-12-08 17:57:32,582 INFO L448 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 5565 5571) no Hoare annotation was computed. [2018-12-08 17:57:32,583 INFO L451 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 5565 5571) the Hoare annotation is: true [2018-12-08 17:57:32,583 INFO L451 ceAbstractionStarter]: At program point ldv_initializeENTRY(lines 6370 6376) the Hoare annotation is: true [2018-12-08 17:57:32,583 INFO L448 ceAbstractionStarter]: For program point ldv_initializeFINAL(lines 6370 6376) no Hoare annotation was computed. [2018-12-08 17:57:32,583 INFO L448 ceAbstractionStarter]: For program point ldv_initializeEXIT(lines 6370 6376) no Hoare annotation was computed. [2018-12-08 17:57:32,583 INFO L448 ceAbstractionStarter]: For program point external_allocFINAL(lines 6506 6508) no Hoare annotation was computed. [2018-12-08 17:57:32,583 INFO L448 ceAbstractionStarter]: For program point external_allocEXIT(lines 6506 6508) no Hoare annotation was computed. [2018-12-08 17:57:32,583 INFO L451 ceAbstractionStarter]: At program point external_allocENTRY(lines 6506 6508) the Hoare annotation is: true [2018-12-08 17:57:32,583 INFO L448 ceAbstractionStarter]: For program point usb_deregisterEXIT(lines 6472 6474) no Hoare annotation was computed. [2018-12-08 17:57:32,583 INFO L448 ceAbstractionStarter]: For program point usb_deregisterFINAL(lines 6472 6474) no Hoare annotation was computed. [2018-12-08 17:57:32,583 INFO L451 ceAbstractionStarter]: At program point usb_deregisterENTRY(lines 6472 6474) the Hoare annotation is: true [2018-12-08 17:57:32,583 INFO L451 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:57:32,583 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:57:32,583 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:57:32,583 INFO L451 ceAbstractionStarter]: At program point usbnet_probeENTRY(lines 6491 6493) the Hoare annotation is: true [2018-12-08 17:57:32,583 INFO L448 ceAbstractionStarter]: For program point usbnet_probeFINAL(lines 6491 6493) no Hoare annotation was computed. [2018-12-08 17:57:32,584 INFO L448 ceAbstractionStarter]: For program point usbnet_probeEXIT(lines 6491 6493) no Hoare annotation was computed. [2018-12-08 17:57:32,584 INFO L451 ceAbstractionStarter]: At program point L5886(line 5886) the Hoare annotation is: true [2018-12-08 17:57:32,584 INFO L448 ceAbstractionStarter]: For program point L5888(lines 5888 5891) no Hoare annotation was computed. [2018-12-08 17:57:32,584 INFO L448 ceAbstractionStarter]: For program point cx82310_tx_fixupEXIT(lines 5873 5899) no Hoare annotation was computed. [2018-12-08 17:57:32,584 INFO L448 ceAbstractionStarter]: For program point L5883(lines 5883 5893) no Hoare annotation was computed. [2018-12-08 17:57:32,584 INFO L448 ceAbstractionStarter]: For program point L5884-1(line 5884) no Hoare annotation was computed. [2018-12-08 17:57:32,584 INFO L451 ceAbstractionStarter]: At program point L5882(line 5882) the Hoare annotation is: true [2018-12-08 17:57:32,584 INFO L448 ceAbstractionStarter]: For program point L5886-1(line 5886) no Hoare annotation was computed. [2018-12-08 17:57:32,584 INFO L451 ceAbstractionStarter]: At program point L5884(line 5884) the Hoare annotation is: true [2018-12-08 17:57:32,584 INFO L448 ceAbstractionStarter]: For program point L5882-1(line 5882) no Hoare annotation was computed. [2018-12-08 17:57:32,584 INFO L451 ceAbstractionStarter]: At program point L5883-2(lines 5883 5893) the Hoare annotation is: true [2018-12-08 17:57:32,584 INFO L448 ceAbstractionStarter]: For program point cx82310_tx_fixupFINAL(lines 5873 5899) no Hoare annotation was computed. [2018-12-08 17:57:32,584 INFO L448 ceAbstractionStarter]: For program point L5894(line 5894) no Hoare annotation was computed. [2018-12-08 17:57:32,585 INFO L451 ceAbstractionStarter]: At program point cx82310_tx_fixupENTRY(lines 5873 5899) the Hoare annotation is: true [2018-12-08 17:57:32,585 INFO L451 ceAbstractionStarter]: At program point ldv_initialize_driver_info_2ENTRY(lines 5940 5954) the Hoare annotation is: true [2018-12-08 17:57:32,585 INFO L451 ceAbstractionStarter]: At program point L5950(line 5950) the Hoare annotation is: true [2018-12-08 17:57:32,585 INFO L448 ceAbstractionStarter]: For program point ldv_initialize_driver_info_2EXIT(lines 5940 5954) no Hoare annotation was computed. [2018-12-08 17:57:32,585 INFO L448 ceAbstractionStarter]: For program point L5948-1(line 5948) no Hoare annotation was computed. [2018-12-08 17:57:32,585 INFO L451 ceAbstractionStarter]: At program point L5946(line 5946) the Hoare annotation is: true [2018-12-08 17:57:32,585 INFO L448 ceAbstractionStarter]: For program point L5950-1(line 5950) no Hoare annotation was computed. [2018-12-08 17:57:32,585 INFO L451 ceAbstractionStarter]: At program point L5948(line 5948) the Hoare annotation is: true [2018-12-08 17:57:32,585 INFO L448 ceAbstractionStarter]: For program point L5946-1(line 5946) no Hoare annotation was computed. [2018-12-08 17:57:32,585 INFO L448 ceAbstractionStarter]: For program point ldv_initialize_driver_info_2FINAL(lines 5940 5954) no Hoare annotation was computed. [2018-12-08 17:57:32,585 INFO L451 ceAbstractionStarter]: At program point usbnet_disconnectENTRY(lines 6483 6485) the Hoare annotation is: true [2018-12-08 17:57:32,585 INFO L448 ceAbstractionStarter]: For program point usbnet_disconnectFINAL(lines 6483 6485) no Hoare annotation was computed. [2018-12-08 17:57:32,585 INFO L448 ceAbstractionStarter]: For program point usbnet_disconnectEXIT(lines 6483 6485) no Hoare annotation was computed. [2018-12-08 17:57:32,585 INFO L448 ceAbstractionStarter]: For program point skb_headroomFINAL(lines 5485 5490) no Hoare annotation was computed. [2018-12-08 17:57:32,586 INFO L448 ceAbstractionStarter]: For program point skb_headroomEXIT(lines 5485 5490) no Hoare annotation was computed. [2018-12-08 17:57:32,586 INFO L451 ceAbstractionStarter]: At program point skb_headroomENTRY(lines 5485 5490) the Hoare annotation is: true [2018-12-08 17:57:32,586 INFO L448 ceAbstractionStarter]: For program point ldv_set_is_emptyEXIT(lines 6312 6317) no Hoare annotation was computed. [2018-12-08 17:57:32,586 INFO L451 ceAbstractionStarter]: At program point ldv_set_is_emptyENTRY(lines 6312 6317) the Hoare annotation is: true [2018-12-08 17:57:32,586 INFO L448 ceAbstractionStarter]: For program point ldv_set_is_emptyFINAL(lines 6312 6317) no Hoare annotation was computed. [2018-12-08 17:57:32,586 INFO L448 ceAbstractionStarter]: For program point skb_pushFINAL(lines 6458 6460) no Hoare annotation was computed. [2018-12-08 17:57:32,586 INFO L448 ceAbstractionStarter]: For program point L6459-1(line 6459) no Hoare annotation was computed. [2018-12-08 17:57:32,586 INFO L451 ceAbstractionStarter]: At program point L6459(line 6459) the Hoare annotation is: true [2018-12-08 17:57:32,586 INFO L451 ceAbstractionStarter]: At program point skb_pushENTRY(lines 6458 6460) the Hoare annotation is: true [2018-12-08 17:57:32,586 INFO L448 ceAbstractionStarter]: For program point skb_pushEXIT(lines 6458 6460) no Hoare annotation was computed. [2018-12-08 17:57:32,586 INFO L451 ceAbstractionStarter]: At program point usb_register_driverENTRY(lines 6476 6478) the Hoare annotation is: true [2018-12-08 17:57:32,586 INFO L448 ceAbstractionStarter]: For program point usb_register_driverFINAL(lines 6476 6478) no Hoare annotation was computed. [2018-12-08 17:57:32,586 INFO L448 ceAbstractionStarter]: For program point usb_register_driverEXIT(lines 6476 6478) no Hoare annotation was computed. [2018-12-08 17:57:32,587 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-12-08 17:57:32,587 INFO L451 ceAbstractionStarter]: At program point L-1-3(line -1) the Hoare annotation is: true [2018-12-08 17:57:32,587 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:57:32,587 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:57:32,587 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:57:32,587 INFO L451 ceAbstractionStarter]: At program point __create_pipeENTRY(lines 5613 5618) the Hoare annotation is: true [2018-12-08 17:57:32,587 INFO L448 ceAbstractionStarter]: For program point __create_pipeFINAL(lines 5613 5618) no Hoare annotation was computed. [2018-12-08 17:57:32,587 INFO L448 ceAbstractionStarter]: For program point __create_pipeEXIT(lines 5613 5618) no Hoare annotation was computed. [2018-12-08 17:57:32,587 INFO L448 ceAbstractionStarter]: For program point usbnet_suspendFINAL(lines 6502 6504) no Hoare annotation was computed. [2018-12-08 17:57:32,587 INFO L451 ceAbstractionStarter]: At program point usbnet_suspendENTRY(lines 6502 6504) the Hoare annotation is: true [2018-12-08 17:57:32,587 INFO L448 ceAbstractionStarter]: For program point usbnet_suspendEXIT(lines 6502 6504) no Hoare annotation was computed. [2018-12-08 17:57:32,587 INFO L451 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 5500 5516) the Hoare annotation is: true [2018-12-08 17:57:32,587 INFO L448 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 5500 5516) no Hoare annotation was computed. [2018-12-08 17:57:32,587 INFO L448 ceAbstractionStarter]: For program point L5507(lines 5507 5514) no Hoare annotation was computed. [2018-12-08 17:57:32,588 INFO L448 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 5500 5516) no Hoare annotation was computed. [2018-12-08 17:57:32,588 INFO L451 ceAbstractionStarter]: At program point L5959(line 5959) the Hoare annotation is: true [2018-12-08 17:57:32,588 INFO L448 ceAbstractionStarter]: For program point L5959-1(line 5959) no Hoare annotation was computed. [2018-12-08 17:57:32,588 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1EXIT(lines 5955 5963) no Hoare annotation was computed. [2018-12-08 17:57:32,588 INFO L451 ceAbstractionStarter]: At program point ldv_usb_driver_1ENTRY(lines 5955 5963) the Hoare annotation is: true [2018-12-08 17:57:32,588 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1FINAL(lines 5955 5963) no Hoare annotation was computed. [2018-12-08 17:57:32,588 INFO L448 ceAbstractionStarter]: For program point skb_trimEXIT(lines 6465 6467) no Hoare annotation was computed. [2018-12-08 17:57:32,588 INFO L451 ceAbstractionStarter]: At program point skb_trimENTRY(lines 6465 6467) the Hoare annotation is: true [2018-12-08 17:57:32,588 INFO L448 ceAbstractionStarter]: For program point skb_trimFINAL(lines 6465 6467) no Hoare annotation was computed. [2018-12-08 17:57:32,588 INFO L448 ceAbstractionStarter]: For program point L5820-1(line 5820) no Hoare annotation was computed. [2018-12-08 17:57:32,588 INFO L451 ceAbstractionStarter]: At program point L5820(line 5820) the Hoare annotation is: true [2018-12-08 17:57:32,588 INFO L448 ceAbstractionStarter]: For program point L5816-1(line 5816) no Hoare annotation was computed. [2018-12-08 17:57:32,588 INFO L448 ceAbstractionStarter]: For program point cx82310_rx_fixupEXIT(lines 5794 5872) no Hoare annotation was computed. [2018-12-08 17:57:32,589 INFO L451 ceAbstractionStarter]: At program point L5816(line 5816) the Hoare annotation is: true [2018-12-08 17:57:32,589 INFO L451 ceAbstractionStarter]: At program point cx82310_rx_fixupENTRY(lines 5794 5872) the Hoare annotation is: true [2018-12-08 17:57:32,589 INFO L451 ceAbstractionStarter]: At program point L5866(lines 5806 5871) the Hoare annotation is: true [2018-12-08 17:57:32,589 INFO L448 ceAbstractionStarter]: For program point L5833-2(lines 5833 5837) no Hoare annotation was computed. [2018-12-08 17:57:32,589 INFO L451 ceAbstractionStarter]: At program point L5862(line 5862) the Hoare annotation is: true [2018-12-08 17:57:32,589 INFO L448 ceAbstractionStarter]: For program point L5833(line 5833) no Hoare annotation was computed. [2018-12-08 17:57:32,589 INFO L451 ceAbstractionStarter]: At program point L5862-1(line 5862) the Hoare annotation is: true [2018-12-08 17:57:32,589 INFO L451 ceAbstractionStarter]: At program point L5854(line 5854) the Hoare annotation is: true [2018-12-08 17:57:32,589 INFO L448 ceAbstractionStarter]: For program point cx82310_rx_fixupFINAL(lines 5794 5872) no Hoare annotation was computed. [2018-12-08 17:57:32,589 INFO L451 ceAbstractionStarter]: At program point L5850(line 5850) the Hoare annotation is: true [2018-12-08 17:57:32,589 INFO L451 ceAbstractionStarter]: At program point L5821(line 5821) the Hoare annotation is: true [2018-12-08 17:57:32,589 INFO L448 ceAbstractionStarter]: For program point L5854-1(line 5854) no Hoare annotation was computed. [2018-12-08 17:57:32,589 INFO L448 ceAbstractionStarter]: For program point L5821-1(line 5821) no Hoare annotation was computed. [2018-12-08 17:57:32,590 INFO L448 ceAbstractionStarter]: For program point L5850-1(line 5850) no Hoare annotation was computed. [2018-12-08 17:57:32,590 INFO L448 ceAbstractionStarter]: For program point L5838(lines 5838 5843) no Hoare annotation was computed. [2018-12-08 17:57:32,590 INFO L451 ceAbstractionStarter]: At program point L5809(line 5809) the Hoare annotation is: true [2018-12-08 17:57:32,590 INFO L448 ceAbstractionStarter]: For program point L5809-1(line 5809) no Hoare annotation was computed. [2018-12-08 17:57:32,590 INFO L451 ceAbstractionStarter]: At program point L5834(line 5834) the Hoare annotation is: true [2018-12-08 17:57:32,590 INFO L448 ceAbstractionStarter]: For program point L5863(line 5863) no Hoare annotation was computed. [2018-12-08 17:57:32,590 INFO L451 ceAbstractionStarter]: At program point L5859(line 5859) the Hoare annotation is: true [2018-12-08 17:57:32,590 INFO L448 ceAbstractionStarter]: For program point L5859-1(line 5859) no Hoare annotation was computed. [2018-12-08 17:57:32,590 INFO L448 ceAbstractionStarter]: For program point L5855(lines 5855 5858) no Hoare annotation was computed. [2018-12-08 17:57:32,590 INFO L451 ceAbstractionStarter]: At program point L5818(lines 5818 5819) the Hoare annotation is: true [2018-12-08 17:57:32,590 INFO L451 ceAbstractionStarter]: At program point L5814(line 5814) the Hoare annotation is: true [2018-12-08 17:57:32,590 INFO L448 ceAbstractionStarter]: For program point L5818-1(lines 5818 5819) no Hoare annotation was computed. [2018-12-08 17:57:32,590 INFO L448 ceAbstractionStarter]: For program point L5810(lines 5810 5813) no Hoare annotation was computed. [2018-12-08 17:57:32,590 INFO L448 ceAbstractionStarter]: For program point L5814-1(line 5814) no Hoare annotation was computed. [2018-12-08 17:57:32,590 INFO L451 ceAbstractionStarter]: At program point L5864(lines 5806 5871) the Hoare annotation is: true [2018-12-08 17:57:32,591 INFO L448 ceAbstractionStarter]: For program point L5823(lines 5823 5826) no Hoare annotation was computed. [2018-12-08 17:57:32,591 INFO L448 ceAbstractionStarter]: For program point L5848-1(lines 5848 5849) no Hoare annotation was computed. [2018-12-08 17:57:32,591 INFO L451 ceAbstractionStarter]: At program point L5848(lines 5848 5849) the Hoare annotation is: true [2018-12-08 17:57:32,591 INFO L448 ceAbstractionStarter]: For program point L5844(lines 5844 5853) no Hoare annotation was computed. [2018-12-08 17:57:32,591 INFO L448 ceAbstractionStarter]: For program point L5807(lines 5807 5828) no Hoare annotation was computed. [2018-12-08 17:57:32,591 INFO L451 ceAbstractionStarter]: At program point L5869(lines 5806 5871) the Hoare annotation is: true [2018-12-08 17:57:32,591 INFO L448 ceAbstractionStarter]: For program point L5832-1(line 5832) no Hoare annotation was computed. [2018-12-08 17:57:32,591 INFO L448 ceAbstractionStarter]: For program point L5865(lines 5865 5868) no Hoare annotation was computed. [2018-12-08 17:57:32,591 INFO L451 ceAbstractionStarter]: At program point L5832(line 5832) the Hoare annotation is: true [2018-12-08 17:57:32,591 INFO L451 ceAbstractionStarter]: At program point L5861(line 5861) the Hoare annotation is: true [2018-12-08 17:57:32,591 INFO L448 ceAbstractionStarter]: For program point L5861-1(line 5861) no Hoare annotation was computed. [2018-12-08 17:57:32,591 INFO L448 ceAbstractionStarter]: For program point L6192-1(line 6192) no Hoare annotation was computed. [2018-12-08 17:57:32,591 INFO L448 ceAbstractionStarter]: For program point ldv_alloc_skb_12FINAL(lines 6188 6195) no Hoare annotation was computed. [2018-12-08 17:57:32,592 INFO L451 ceAbstractionStarter]: At program point L6192(line 6192) the Hoare annotation is: true [2018-12-08 17:57:32,592 INFO L448 ceAbstractionStarter]: For program point ldv_alloc_skb_12EXIT(lines 6188 6195) no Hoare annotation was computed. [2018-12-08 17:57:32,592 INFO L451 ceAbstractionStarter]: At program point ldv_alloc_skb_12ENTRY(lines 6188 6195) the Hoare annotation is: true [2018-12-08 17:57:32,592 INFO L451 ceAbstractionStarter]: At program point ldv_skb_allocENTRY(lines 6355 6369) the Hoare annotation is: true [2018-12-08 17:57:32,592 INFO L448 ceAbstractionStarter]: For program point L6362(lines 6362 6367) no Hoare annotation was computed. [2018-12-08 17:57:32,592 INFO L448 ceAbstractionStarter]: For program point L6365-1(line 6365) no Hoare annotation was computed. [2018-12-08 17:57:32,592 INFO L451 ceAbstractionStarter]: At program point L6365(line 6365) the Hoare annotation is: true [2018-12-08 17:57:32,592 INFO L448 ceAbstractionStarter]: For program point ldv_skb_allocEXIT(lines 6355 6369) no Hoare annotation was computed. [2018-12-08 17:57:32,592 INFO L448 ceAbstractionStarter]: For program point L6360-1(line 6360) no Hoare annotation was computed. [2018-12-08 17:57:32,592 INFO L451 ceAbstractionStarter]: At program point L6360(line 6360) the Hoare annotation is: true [2018-12-08 17:57:32,592 INFO L448 ceAbstractionStarter]: For program point ldv_skb_allocFINAL(lines 6355 6369) no Hoare annotation was computed. [2018-12-08 17:57:32,592 INFO L448 ceAbstractionStarter]: For program point ldv_reset_resume_1FINAL(lines 6446 6448) no Hoare annotation was computed. [2018-12-08 17:57:32,592 INFO L448 ceAbstractionStarter]: For program point ldv_reset_resume_1EXIT(lines 6446 6448) no Hoare annotation was computed. [2018-12-08 17:57:32,592 INFO L451 ceAbstractionStarter]: At program point ldv_reset_resume_1ENTRY(lines 6446 6448) the Hoare annotation is: true [2018-12-08 17:57:32,592 INFO L448 ceAbstractionStarter]: For program point kfreeEXIT(lines 6510 6512) no Hoare annotation was computed. [2018-12-08 17:57:32,593 INFO L451 ceAbstractionStarter]: At program point kfreeENTRY(lines 6510 6512) the Hoare annotation is: true [2018-12-08 17:57:32,593 INFO L448 ceAbstractionStarter]: For program point kfreeFINAL(lines 6510 6512) no Hoare annotation was computed. [2018-12-08 17:57:32,593 INFO L448 ceAbstractionStarter]: For program point usbnet_get_endpointsFINAL(lines 6487 6489) no Hoare annotation was computed. [2018-12-08 17:57:32,593 INFO L451 ceAbstractionStarter]: At program point usbnet_get_endpointsENTRY(lines 6487 6489) the Hoare annotation is: true [2018-12-08 17:57:32,593 INFO L448 ceAbstractionStarter]: For program point usbnet_get_endpointsEXIT(lines 6487 6489) no Hoare annotation was computed. [2018-12-08 17:57:32,593 INFO L448 ceAbstractionStarter]: For program point L5920-1(line 5920) no Hoare annotation was computed. [2018-12-08 17:57:32,593 INFO L451 ceAbstractionStarter]: At program point cx82310_driver_initENTRY(lines 5916 5923) the Hoare annotation is: true [2018-12-08 17:57:32,593 INFO L451 ceAbstractionStarter]: At program point L5920(line 5920) the Hoare annotation is: true [2018-12-08 17:57:32,593 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_initFINAL(lines 5916 5923) no Hoare annotation was computed. [2018-12-08 17:57:32,593 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_initEXIT(lines 5916 5923) no Hoare annotation was computed. [2018-12-08 17:57:32,593 INFO L448 ceAbstractionStarter]: For program point L6463-1(line 6463) no Hoare annotation was computed. [2018-12-08 17:57:32,593 INFO L451 ceAbstractionStarter]: At program point L6463(line 6463) the Hoare annotation is: true [2018-12-08 17:57:32,593 INFO L451 ceAbstractionStarter]: At program point skb_putENTRY(lines 6462 6464) the Hoare annotation is: true [2018-12-08 17:57:32,593 INFO L448 ceAbstractionStarter]: For program point skb_putFINAL(lines 6462 6464) no Hoare annotation was computed. [2018-12-08 17:57:32,594 INFO L448 ceAbstractionStarter]: For program point skb_putEXIT(lines 6462 6464) no Hoare annotation was computed. [2018-12-08 17:57:32,594 INFO L448 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 5558 5564) no Hoare annotation was computed. [2018-12-08 17:57:32,594 INFO L451 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 5558 5564) the Hoare annotation is: true [2018-12-08 17:57:32,594 INFO L448 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5562) no Hoare annotation was computed. [2018-12-08 17:57:32,594 INFO L448 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 5558 5564) no Hoare annotation was computed. [2018-12-08 17:57:32,594 INFO L448 ceAbstractionStarter]: For program point L5468-1(line 5468) no Hoare annotation was computed. [2018-12-08 17:57:32,594 INFO L451 ceAbstractionStarter]: At program point L5468(line 5468) the Hoare annotation is: true [2018-12-08 17:57:32,594 INFO L448 ceAbstractionStarter]: For program point kzallocEXIT(lines 5464 5471) no Hoare annotation was computed. [2018-12-08 17:57:32,594 INFO L451 ceAbstractionStarter]: At program point kzallocENTRY(lines 5464 5471) the Hoare annotation is: true [2018-12-08 17:57:32,594 INFO L448 ceAbstractionStarter]: For program point kzallocFINAL(lines 5464 5471) no Hoare annotation was computed. [2018-12-08 17:57:32,594 INFO L451 ceAbstractionStarter]: At program point skb_pullENTRY(lines 6454 6456) the Hoare annotation is: true [2018-12-08 17:57:32,594 INFO L448 ceAbstractionStarter]: For program point skb_pullFINAL(lines 6454 6456) no Hoare annotation was computed. [2018-12-08 17:57:32,595 INFO L448 ceAbstractionStarter]: For program point L6455-1(line 6455) no Hoare annotation was computed. [2018-12-08 17:57:32,595 INFO L451 ceAbstractionStarter]: At program point L6455(line 6455) the Hoare annotation is: true [2018-12-08 17:57:32,595 INFO L448 ceAbstractionStarter]: For program point skb_pullEXIT(lines 6454 6456) no Hoare annotation was computed. [2018-12-08 17:57:32,595 INFO L451 ceAbstractionStarter]: At program point kmallocENTRY(lines 5456 5463) the Hoare annotation is: true [2018-12-08 17:57:32,595 INFO L448 ceAbstractionStarter]: For program point kmallocFINAL(lines 5456 5463) no Hoare annotation was computed. [2018-12-08 17:57:32,595 INFO L448 ceAbstractionStarter]: For program point L5460-1(line 5460) no Hoare annotation was computed. [2018-12-08 17:57:32,595 INFO L448 ceAbstractionStarter]: For program point kmallocEXIT(lines 5456 5463) no Hoare annotation was computed. [2018-12-08 17:57:32,595 INFO L451 ceAbstractionStarter]: At program point L5460(line 5460) the Hoare annotation is: true [2018-12-08 17:57:32,595 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_exitEXIT(lines 5924 5930) no Hoare annotation was computed. [2018-12-08 17:57:32,595 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_exitFINAL(lines 5924 5930) no Hoare annotation was computed. [2018-12-08 17:57:32,595 INFO L451 ceAbstractionStarter]: At program point cx82310_driver_exitENTRY(lines 5924 5930) the Hoare annotation is: true [2018-12-08 17:57:32,595 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_15FINAL(lines 6210 6217) no Hoare annotation was computed. [2018-12-08 17:57:32,595 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_15EXIT(lines 6210 6217) no Hoare annotation was computed. [2018-12-08 17:57:32,595 INFO L451 ceAbstractionStarter]: At program point ldv_usb_deregister_15ENTRY(lines 6210 6217) the Hoare annotation is: true [2018-12-08 17:57:32,596 INFO L451 ceAbstractionStarter]: At program point L6213(line 6213) the Hoare annotation is: true [2018-12-08 17:57:32,596 INFO L448 ceAbstractionStarter]: For program point L6213-1(line 6213) no Hoare annotation was computed. [2018-12-08 17:57:32,596 INFO L451 ceAbstractionStarter]: At program point L6206(line 6206) the Hoare annotation is: true [2018-12-08 17:57:32,596 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_14FINAL(lines 6196 6209) no Hoare annotation was computed. [2018-12-08 17:57:32,596 INFO L451 ceAbstractionStarter]: At program point L6202(line 6202) the Hoare annotation is: true [2018-12-08 17:57:32,596 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_14EXIT(lines 6196 6209) no Hoare annotation was computed. [2018-12-08 17:57:32,596 INFO L448 ceAbstractionStarter]: For program point L6206-1(line 6206) no Hoare annotation was computed. [2018-12-08 17:57:32,596 INFO L451 ceAbstractionStarter]: At program point ldv_usb_register_driver_14ENTRY(lines 6196 6209) the Hoare annotation is: true [2018-12-08 17:57:32,596 INFO L448 ceAbstractionStarter]: For program point L6202-1(line 6202) no Hoare annotation was computed. [2018-12-08 17:57:32,596 INFO L448 ceAbstractionStarter]: For program point L5663(lines 5663 5668) no Hoare annotation was computed. [2018-12-08 17:57:32,596 INFO L451 ceAbstractionStarter]: At program point L5692(lines 5669 5721) the Hoare annotation is: true [2018-12-08 17:57:32,596 INFO L448 ceAbstractionStarter]: For program point L5717-2(line 5717) no Hoare annotation was computed. [2018-12-08 17:57:32,596 INFO L448 ceAbstractionStarter]: For program point L5717(line 5717) no Hoare annotation was computed. [2018-12-08 17:57:32,596 INFO L451 ceAbstractionStarter]: At program point L5647(line 5647) the Hoare annotation is: true [2018-12-08 17:57:32,596 INFO L448 ceAbstractionStarter]: For program point L5647-1(line 5647) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point cx82310_cmdEXIT(lines 5626 5727) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point L5676(lines 5676 5681) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point L5693(lines 5693 5699) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L451 ceAbstractionStarter]: At program point L5718(line 5718) the Hoare annotation is: true [2018-12-08 17:57:32,597 INFO L451 ceAbstractionStarter]: At program point L5689(lines 5669 5721) the Hoare annotation is: true [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point L5714(lines 5714 5720) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point L5718-1(line 5718) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point L5673(line 5673) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point L5669(lines 5669 5722) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L451 ceAbstractionStarter]: At program point L5723(lines 5645 5726) the Hoare annotation is: true [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point L5661(line 5661) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point L5657-2(line 5657) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point cx82310_cmdFINAL(lines 5626 5727) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point L5657(line 5657) no Hoare annotation was computed. [2018-12-08 17:57:32,597 INFO L448 ceAbstractionStarter]: For program point L5682(lines 5682 5685) no Hoare annotation was computed. [2018-12-08 17:57:32,598 INFO L451 ceAbstractionStarter]: At program point cx82310_cmdENTRY(lines 5626 5727) the Hoare annotation is: true [2018-12-08 17:57:32,598 INFO L448 ceAbstractionStarter]: For program point L5649(lines 5649 5652) no Hoare annotation was computed. [2018-12-08 17:57:32,598 INFO L448 ceAbstractionStarter]: For program point L5707(lines 5707 5713) no Hoare annotation was computed. [2018-12-08 17:57:32,598 INFO L451 ceAbstractionStarter]: At program point L5674(lines 5674 5675) the Hoare annotation is: true [2018-12-08 17:57:32,598 INFO L448 ceAbstractionStarter]: For program point L5674-1(lines 5674 5675) no Hoare annotation was computed. [2018-12-08 17:57:32,598 INFO L451 ceAbstractionStarter]: At program point L5662(line 5662) the Hoare annotation is: true [2018-12-08 17:57:32,598 INFO L451 ceAbstractionStarter]: At program point L5658(line 5658) the Hoare annotation is: true [2018-12-08 17:57:32,598 INFO L448 ceAbstractionStarter]: For program point L5662-1(line 5662) no Hoare annotation was computed. [2018-12-08 17:57:32,598 INFO L448 ceAbstractionStarter]: For program point L5724(line 5724) no Hoare annotation was computed. [2018-12-08 17:57:32,598 INFO L451 ceAbstractionStarter]: At program point L5687(lines 5669 5721) the Hoare annotation is: true [2018-12-08 17:57:32,598 INFO L448 ceAbstractionStarter]: For program point L5654(lines 5654 5660) no Hoare annotation was computed. [2018-12-08 17:57:32,598 INFO L448 ceAbstractionStarter]: For program point L5658-1(line 5658) no Hoare annotation was computed. [2018-12-08 17:57:32,598 INFO L451 ceAbstractionStarter]: At program point L5654-2(lines 5654 5660) the Hoare annotation is: true [2018-12-08 17:57:32,598 INFO L448 ceAbstractionStarter]: For program point L5700(lines 5700 5706) no Hoare annotation was computed. [2018-12-08 17:57:32,599 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:57:32,599 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-12-08 17:57:32,599 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:57:32,599 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:57:32,599 INFO L448 ceAbstractionStarter]: For program point usbnet_skb_returnFINAL(lines 6498 6500) no Hoare annotation was computed. [2018-12-08 17:57:32,599 INFO L448 ceAbstractionStarter]: For program point usbnet_skb_returnEXIT(lines 6498 6500) no Hoare annotation was computed. [2018-12-08 17:57:32,599 INFO L451 ceAbstractionStarter]: At program point usbnet_skb_returnENTRY(lines 6498 6500) the Hoare annotation is: true [2018-12-08 17:57:32,599 INFO L448 ceAbstractionStarter]: For program point L5758(lines 5758 5761) no Hoare annotation was computed. [2018-12-08 17:57:32,599 INFO L448 ceAbstractionStarter]: For program point L5762-1(line 5762) no Hoare annotation was computed. [2018-12-08 17:57:32,599 INFO L448 ceAbstractionStarter]: For program point L5756-1(line 5756) no Hoare annotation was computed. [2018-12-08 17:57:32,599 INFO L451 ceAbstractionStarter]: At program point L5756(line 5756) the Hoare annotation is: true [2018-12-08 17:57:32,599 INFO L451 ceAbstractionStarter]: At program point L5783(line 5783) the Hoare annotation is: true [2018-12-08 17:57:32,599 INFO L448 ceAbstractionStarter]: For program point L5783-1(line 5783) no Hoare annotation was computed. [2018-12-08 17:57:32,599 INFO L448 ceAbstractionStarter]: For program point cx82310_bindEXIT(lines 5728 5786) no Hoare annotation was computed. [2018-12-08 17:57:32,599 INFO L448 ceAbstractionStarter]: For program point L5748(line 5748) no Hoare annotation was computed. [2018-12-08 17:57:32,600 INFO L448 ceAbstractionStarter]: For program point L5777(lines 5777 5780) no Hoare annotation was computed. [2018-12-08 17:57:32,600 INFO L451 ceAbstractionStarter]: At program point L5738(line 5738) the Hoare annotation is: true [2018-12-08 17:57:32,600 INFO L448 ceAbstractionStarter]: For program point cx82310_bindFINAL(lines 5728 5786) no Hoare annotation was computed. [2018-12-08 17:57:32,600 INFO L448 ceAbstractionStarter]: For program point L5738-1(line 5738) no Hoare annotation was computed. [2018-12-08 17:57:32,600 INFO L451 ceAbstractionStarter]: At program point L5769(line 5769) the Hoare annotation is: true [2018-12-08 17:57:32,600 INFO L448 ceAbstractionStarter]: For program point L5769-1(line 5769) no Hoare annotation was computed. [2018-12-08 17:57:32,600 INFO L448 ceAbstractionStarter]: For program point L5763(lines 5763 5768) no Hoare annotation was computed. [2018-12-08 17:57:32,600 INFO L451 ceAbstractionStarter]: At program point cx82310_bindENTRY(lines 5728 5786) the Hoare annotation is: true [2018-12-08 17:57:32,600 INFO L451 ceAbstractionStarter]: At program point L5778(lines 5736 5785) the Hoare annotation is: true [2018-12-08 17:57:32,600 INFO L448 ceAbstractionStarter]: For program point L5749(lines 5749 5752) no Hoare annotation was computed. [2018-12-08 17:57:32,600 INFO L448 ceAbstractionStarter]: For program point L5776-1(line 5776) no Hoare annotation was computed. [2018-12-08 17:57:32,600 INFO L451 ceAbstractionStarter]: At program point L5776(line 5776) the Hoare annotation is: true [2018-12-08 17:57:32,600 INFO L448 ceAbstractionStarter]: For program point L5739(lines 5739 5747) no Hoare annotation was computed. [2018-12-08 17:57:32,600 INFO L448 ceAbstractionStarter]: For program point L5770(lines 5770 5775) no Hoare annotation was computed. [2018-12-08 17:57:32,601 INFO L448 ceAbstractionStarter]: For program point L5741(lines 5741 5745) no Hoare annotation was computed. [2018-12-08 17:57:32,601 INFO L451 ceAbstractionStarter]: At program point L5739-2(lines 5739 5747) the Hoare annotation is: true [2018-12-08 17:57:32,601 INFO L451 ceAbstractionStarter]: At program point L5762(line 5762) the Hoare annotation is: true [2018-12-08 17:57:32,601 INFO L448 ceAbstractionStarter]: For program point usb_stringFINAL(lines 6480 6482) no Hoare annotation was computed. [2018-12-08 17:57:32,601 INFO L451 ceAbstractionStarter]: At program point usb_stringENTRY(lines 6480 6482) the Hoare annotation is: true [2018-12-08 17:57:32,601 INFO L448 ceAbstractionStarter]: For program point usb_stringEXIT(lines 6480 6482) no Hoare annotation was computed. [2018-12-08 17:57:32,601 INFO L451 ceAbstractionStarter]: At program point L5790(line 5790) the Hoare annotation is: true [2018-12-08 17:57:32,601 INFO L451 ceAbstractionStarter]: At program point cx82310_unbindENTRY(lines 5787 5793) the Hoare annotation is: true [2018-12-08 17:57:32,601 INFO L448 ceAbstractionStarter]: For program point cx82310_unbindFINAL(lines 5787 5793) no Hoare annotation was computed. [2018-12-08 17:57:32,601 INFO L448 ceAbstractionStarter]: For program point L5790-1(line 5790) no Hoare annotation was computed. [2018-12-08 17:57:32,601 INFO L448 ceAbstractionStarter]: For program point cx82310_unbindEXIT(lines 5787 5793) no Hoare annotation was computed. [2018-12-08 17:57:32,601 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:57:32,601 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:57:32,601 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:57:32,601 INFO L448 ceAbstractionStarter]: For program point __dev_kfree_skb_anyFINAL(lines 6434 6436) no Hoare annotation was computed. [2018-12-08 17:57:32,602 INFO L451 ceAbstractionStarter]: At program point __dev_kfree_skb_anyENTRY(lines 6434 6436) the Hoare annotation is: true [2018-12-08 17:57:32,602 INFO L448 ceAbstractionStarter]: For program point __dev_kfree_skb_anyEXIT(lines 6434 6436) no Hoare annotation was computed. [2018-12-08 17:57:32,602 INFO L451 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 6422 6433) the Hoare annotation is: true [2018-12-08 17:57:32,602 INFO L451 ceAbstractionStarter]: At program point L6426(line 6426) the Hoare annotation is: true [2018-12-08 17:57:32,602 INFO L448 ceAbstractionStarter]: For program point L6427(lines 6427 6430) no Hoare annotation was computed. [2018-12-08 17:57:32,602 INFO L448 ceAbstractionStarter]: For program point L6429-1(lines 6422 6433) no Hoare annotation was computed. [2018-12-08 17:57:32,602 INFO L451 ceAbstractionStarter]: At program point L6429(line 6429) the Hoare annotation is: true [2018-12-08 17:57:32,602 INFO L448 ceAbstractionStarter]: For program point L6426-1(line 6426) no Hoare annotation was computed. [2018-12-08 17:57:32,602 INFO L448 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 6422 6433) no Hoare annotation was computed. [2018-12-08 17:57:32,602 INFO L448 ceAbstractionStarter]: For program point skb_copy_expandFINAL(lines 6450 6452) no Hoare annotation was computed. [2018-12-08 17:57:32,602 INFO L451 ceAbstractionStarter]: At program point skb_copy_expandENTRY(lines 6450 6452) the Hoare annotation is: true [2018-12-08 17:57:32,602 INFO L448 ceAbstractionStarter]: For program point L6451-1(line 6451) no Hoare annotation was computed. [2018-12-08 17:57:32,602 INFO L448 ceAbstractionStarter]: For program point skb_copy_expandEXIT(lines 6450 6452) no Hoare annotation was computed. [2018-12-08 17:57:32,602 INFO L451 ceAbstractionStarter]: At program point L6451(line 6451) the Hoare annotation is: true [2018-12-08 17:57:32,603 INFO L451 ceAbstractionStarter]: At program point L5527(line 5527) the Hoare annotation is: true [2018-12-08 17:57:32,603 INFO L448 ceAbstractionStarter]: For program point L5527-1(line 5527) no Hoare annotation was computed. [2018-12-08 17:57:32,603 INFO L448 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 5517 5533) no Hoare annotation was computed. [2018-12-08 17:57:32,603 INFO L451 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 5517 5533) the Hoare annotation is: true [2018-12-08 17:57:32,603 INFO L448 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 5517 5533) no Hoare annotation was computed. [2018-12-08 17:57:32,603 INFO L448 ceAbstractionStarter]: For program point L5524(lines 5524 5531) no Hoare annotation was computed. [2018-12-08 17:57:32,603 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:57:32,603 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-12-08 17:57:32,603 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:57:32,603 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:57:32,603 INFO L451 ceAbstractionStarter]: At program point dev_kfree_skb_anyENTRY(lines 5598 5604) the Hoare annotation is: true [2018-12-08 17:57:32,603 INFO L451 ceAbstractionStarter]: At program point L5601(line 5601) the Hoare annotation is: true [2018-12-08 17:57:32,603 INFO L448 ceAbstractionStarter]: For program point dev_kfree_skb_anyEXIT(lines 5598 5604) no Hoare annotation was computed. [2018-12-08 17:57:32,603 INFO L448 ceAbstractionStarter]: For program point dev_kfree_skb_anyFINAL(lines 5598 5604) no Hoare annotation was computed. [2018-12-08 17:57:32,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:57:32 BoogieIcfgContainer [2018-12-08 17:57:32,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:57:32,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:57:32,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:57:32,610 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:57:32,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:57:32" (3/4) ... [2018-12-08 17:57:32,613 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:57:32,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_resume [2018-12-08 17:57:32,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2018-12-08 17:57:32,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:57:32,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_init [2018-12-08 17:57:32,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_bulk_msg [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_add [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_deregister [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_probe [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_tx_fixup [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize_driver_info_2 [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_headroom [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_is_empty [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2018-12-08 17:57:32,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_register_driver [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_suspend [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_driver_1 [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_rx_fixup [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_alloc_skb_12 [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_alloc [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_reset_resume_1 [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_get_endpoints [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_driver_init [2018-12-08 17:57:32,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_driver_exit [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_deregister_15 [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_register_driver_14 [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_cmd [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_skb_return [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_bind [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_string [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_unbind [2018-12-08 17:57:32,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:57:32,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __dev_kfree_skb_any [2018-12-08 17:57:32,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-12-08 17:57:32,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_copy_expand [2018-12-08 17:57:32,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-12-08 17:57:32,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2018-12-08 17:57:32,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 154 nodes and edges [2018-12-08 17:57:32,636 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2018-12-08 17:57:32,636 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 17:57:32,637 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-08 17:57:32,638 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 17:57:32,639 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:57:32,713 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_291c9600-fbb2-46ae-9302-80fac1cc56cf/bin-2019/utaipan/witness.graphml [2018-12-08 17:57:32,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:57:32,713 INFO L168 Benchmark]: Toolchain (without parser) took 3765.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.6 MB). Free memory was 932.6 MB in the beginning and 880.0 MB in the end (delta: 52.6 MB). Peak memory consumption was 292.2 MB. Max. memory is 11.5 GB. [2018-12-08 17:57:32,714 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:57:32,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:57:32,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:57:32,715 INFO L168 Benchmark]: Boogie Preprocessor took 50.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:57:32,715 INFO L168 Benchmark]: RCFGBuilder took 2245.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.6 MB). Peak memory consumption was 277.2 MB. Max. memory is 11.5 GB. [2018-12-08 17:57:32,715 INFO L168 Benchmark]: TraceAbstraction took 497.46 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 907.9 MB in the end (delta: 103.4 MB). Peak memory consumption was 103.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:57:32,716 INFO L168 Benchmark]: Witness Printer took 102.73 ms. Allocated memory is still 1.3 GB. Free memory was 907.9 MB in the beginning and 880.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:57:32,717 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 839.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2245.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.6 MB). Peak memory consumption was 277.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 497.46 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 907.9 MB in the end (delta: 103.4 MB). Peak memory consumption was 103.4 MB. Max. memory is 11.5 GB. * Witness Printer took 102.73 ms. Allocated memory is still 1.3 GB. Free memory was 907.9 MB in the beginning and 880.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5562]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5736]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5974]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5645]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6236]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5974]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 53 procedures, 410 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 146 LocationsWithAnnotation, 243 PreInvPairs, 243 NumberOfFragments, 146 HoareAnnotationTreeSize, 243 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 146 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 3481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 346 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...