./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_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 a9e5580db0773458338574d04b29d7b85a7b31f0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 a9e5580db0773458338574d04b29d7b85a7b31f0 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:37:07,825 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:37:07,826 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:37:07,833 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:37:07,834 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:37:07,834 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:37:07,835 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:37:07,836 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:37:07,837 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:37:07,838 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:37:07,839 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:37:07,839 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:37:07,840 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:37:07,840 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:37:07,841 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:37:07,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:37:07,842 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:37:07,843 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:37:07,845 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:37:07,846 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:37:07,846 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:37:07,847 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:37:07,849 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:37:07,849 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:37:07,849 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:37:07,850 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:37:07,850 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:37:07,851 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:37:07,851 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:37:07,852 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:37:07,852 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:37:07,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:37:07,853 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:37:07,853 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:37:07,853 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:37:07,854 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:37:07,854 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-12-02 04:37:07,861 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:37:07,861 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:37:07,862 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:37:07,862 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:37:07,862 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:37:07,862 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:37:07,862 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:37:07,862 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 04:37:07,862 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:37:07,863 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:37:07,863 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-02 04:37:07,863 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 04:37:07,863 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 04:37:07,863 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:37:07,863 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:37:07,863 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:37:07,864 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:37:07,864 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:37:07,864 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:37:07,864 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:37:07,864 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:37:07,864 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:37:07,864 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:37:07,865 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:37:07,865 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:37:07,865 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:37:07,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:37:07,865 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:37:07,865 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:37:07,866 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:37:07,866 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 04:37:07,866 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:37:07,866 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:37:07,866 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:37:07,866 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-12-02 04:37:07,866 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_d47c766b-d7ab-4659-b353-e23badb704ea/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 -> a9e5580db0773458338574d04b29d7b85a7b31f0 [2018-12-02 04:37:07,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:37:07,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:37:07,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:37:07,898 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:37:07,899 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:37:07,899 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-12-02 04:37:07,932 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/data/f1b97851b/f90677c96eda418d94e68fa032e5b0ae/FLAG3a5899f4a [2018-12-02 04:37:08,415 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:37:08,416 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-12-02 04:37:08,430 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/data/f1b97851b/f90677c96eda418d94e68fa032e5b0ae/FLAG3a5899f4a [2018-12-02 04:37:08,439 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/data/f1b97851b/f90677c96eda418d94e68fa032e5b0ae [2018-12-02 04:37:08,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:37:08,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:37:08,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:37:08,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:37:08,445 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:37:08,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:37:08" (1/1) ... [2018-12-02 04:37:08,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381f0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:08, skipping insertion in model container [2018-12-02 04:37:08,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:37:08" (1/1) ... [2018-12-02 04:37:08,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:37:08,493 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:37:09,095 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:37:09,111 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:37:09,221 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:37:09,251 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:37:09,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09 WrapperNode [2018-12-02 04:37:09,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:37:09,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:37:09,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:37:09,252 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:37:09,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09" (1/1) ... [2018-12-02 04:37:09,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09" (1/1) ... [2018-12-02 04:37:09,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:37:09,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:37:09,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:37:09,286 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:37:09,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09" (1/1) ... [2018-12-02 04:37:09,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09" (1/1) ... [2018-12-02 04:37:09,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09" (1/1) ... [2018-12-02 04:37:09,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09" (1/1) ... [2018-12-02 04:37:09,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09" (1/1) ... [2018-12-02 04:37:09,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09" (1/1) ... [2018-12-02 04:37:09,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09" (1/1) ... [2018-12-02 04:37:09,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:37:09,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:37:09,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:37:09,356 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:37:09,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 [2018-12-02 04:37:09,394 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-12-02 04:37:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2018-12-02 04:37:09,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-02 04:37:09,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-12-02 04:37:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-12-02 04:37:09,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:37:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-02 04:37:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-02 04:37:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2018-12-02 04:37:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2018-12-02 04:37:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-12-02 04:37:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-12-02 04:37:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-02 04:37:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-02 04:37:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 04:37:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-02 04:37:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-02 04:37:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-12-02 04:37:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2018-12-02 04:37:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 04:37:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 04:37:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2018-12-02 04:37:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2018-12-02 04:37:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2018-12-02 04:37:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2018-12-02 04:37:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-12-02 04:37:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2018-12-02 04:37:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2018-12-02 04:37:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2018-12-02 04:37:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-12-02 04:37:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2018-12-02 04:37:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-02 04:37:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-02 04:37:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-12-02 04:37:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-12-02 04:37:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-12-02 04:37:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2018-12-02 04:37:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 04:37:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 04:37:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-12-02 04:37:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-12-02 04:37:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-12-02 04:37:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2018-12-02 04:37:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2018-12-02 04:37:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2018-12-02 04:37:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2018-12-02 04:37:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2018-12-02 04:37:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2018-12-02 04:37:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-12-02 04:37:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-12-02 04:37:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-12-02 04:37:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2018-12-02 04:37:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 04:37:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-02 04:37:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 04:37:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-12-02 04:37:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-12-02 04:37:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-12-02 04:37:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2018-12-02 04:37:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2018-12-02 04:37:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2018-12-02 04:37:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-02 04:37:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-02 04:37:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2018-12-02 04:37:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2018-12-02 04:37:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_bind [2018-12-02 04:37:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_bind [2018-12-02 04:37:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:37:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:37:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2018-12-02 04:37:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2018-12-02 04:37:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-12-02 04:37:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-12-02 04:37:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-12-02 04:37:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-12-02 04:37:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:37:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:37:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 04:37:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-12-02 04:37:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-12-02 04:37:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-12-02 04:37:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2018-12-02 04:37:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 04:37:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-12-02 04:37:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-12-02 04:37:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-12-02 04:37:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2018-12-02 04:37:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:37:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 04:37:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2018-12-02 04:37:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2018-12-02 04:37:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_init [2018-12-02 04:37:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_init [2018-12-02 04:37:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-12-02 04:37:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2018-12-02 04:37:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-02 04:37:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-02 04:37:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-12-02 04:37:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-12-02 04:37:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_exit [2018-12-02 04:37:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_exit [2018-12-02 04:37:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2018-12-02 04:37:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2018-12-02 04:37:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2018-12-02 04:37:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2018-12-02 04:37:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 04:37:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2018-12-02 04:37:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2018-12-02 04:37:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_unbind [2018-12-02 04:37:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_unbind [2018-12-02 04:37:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-12-02 04:37:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2018-12-02 04:37:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-02 04:37:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-02 04:37:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-02 04:37:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-02 04:37:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-02 04:37:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:37:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:37:10,126 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:37:10,127 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 04:37:10,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:37:10 BoogieIcfgContainer [2018-12-02 04:37:10,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:37:10,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:37:10,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:37:10,131 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:37:10,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:37:08" (1/3) ... [2018-12-02 04:37:10,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a9572d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:37:10, skipping insertion in model container [2018-12-02 04:37:10,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:37:09" (2/3) ... [2018-12-02 04:37:10,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a9572d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:37:10, skipping insertion in model container [2018-12-02 04:37:10,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:37:10" (3/3) ... [2018-12-02 04:37:10,134 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 [2018-12-02 04:37:10,142 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:37:10,148 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:37:10,157 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:37:10,178 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:37:10,178 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:37:10,179 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:37:10,179 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:37:10,179 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:37:10,179 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:37:10,179 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:37:10,179 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:37:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-02 04:37:10,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 04:37:10,202 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:10,202 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] [2018-12-02 04:37:10,204 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:10,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:10,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1108984339, now seen corresponding path program 1 times [2018-12-02 04:37:10,209 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:10,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:10,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:10,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:10,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 04:37:10,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:37:10,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:37:10,437 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:37:10,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:37:10,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:37:10,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:37:10,450 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-02 04:37:10,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:10,562 INFO L93 Difference]: Finished difference Result 1113 states and 1461 transitions. [2018-12-02 04:37:10,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:37:10,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-02 04:37:10,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:10,579 INFO L225 Difference]: With dead ends: 1113 [2018-12-02 04:37:10,579 INFO L226 Difference]: Without dead ends: 710 [2018-12-02 04:37:10,584 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 [2018-12-02 04:37:10,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2018-12-02 04:37:10,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710. [2018-12-02 04:37:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2018-12-02 04:37:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 916 transitions. [2018-12-02 04:37:10,656 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 916 transitions. Word has length 60 [2018-12-02 04:37:10,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:10,657 INFO L480 AbstractCegarLoop]: Abstraction has 710 states and 916 transitions. [2018-12-02 04:37:10,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:37:10,657 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 916 transitions. [2018-12-02 04:37:10,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 04:37:10,660 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:10,660 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] [2018-12-02 04:37:10,660 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:10,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:10,661 INFO L82 PathProgramCache]: Analyzing trace with hash -393587886, now seen corresponding path program 1 times [2018-12-02 04:37:10,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:10,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:10,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:10,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:10,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 04:37:10,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:37:10,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 04:37:10,798 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:37:10,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 04:37:10,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 04:37:10,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:37:10,800 INFO L87 Difference]: Start difference. First operand 710 states and 916 transitions. Second operand 7 states. [2018-12-02 04:37:11,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:11,378 INFO L93 Difference]: Finished difference Result 2085 states and 2722 transitions. [2018-12-02 04:37:11,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 04:37:11,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2018-12-02 04:37:11,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:11,386 INFO L225 Difference]: With dead ends: 2085 [2018-12-02 04:37:11,386 INFO L226 Difference]: Without dead ends: 1377 [2018-12-02 04:37:11,388 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 [2018-12-02 04:37:11,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2018-12-02 04:37:11,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1377. [2018-12-02 04:37:11,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2018-12-02 04:37:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1794 transitions. [2018-12-02 04:37:11,437 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1794 transitions. Word has length 76 [2018-12-02 04:37:11,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:11,437 INFO L480 AbstractCegarLoop]: Abstraction has 1377 states and 1794 transitions. [2018-12-02 04:37:11,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 04:37:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1794 transitions. [2018-12-02 04:37:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-02 04:37:11,442 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:11,443 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] [2018-12-02 04:37:11,443 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:11,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:11,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1488388715, now seen corresponding path program 1 times [2018-12-02 04:37:11,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:11,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:11,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:11,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:11,447 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 04:37:11,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:37:11,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:37:11,517 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:37:11,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:37:11,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:37:11,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:37:11,517 INFO L87 Difference]: Start difference. First operand 1377 states and 1794 transitions. Second operand 3 states. [2018-12-02 04:37:11,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:11,582 INFO L93 Difference]: Finished difference Result 3069 states and 4004 transitions. [2018-12-02 04:37:11,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:37:11,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2018-12-02 04:37:11,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:11,587 INFO L225 Difference]: With dead ends: 3069 [2018-12-02 04:37:11,587 INFO L226 Difference]: Without dead ends: 1715 [2018-12-02 04:37:11,590 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 [2018-12-02 04:37:11,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2018-12-02 04:37:11,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1691. [2018-12-02 04:37:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1691 states. [2018-12-02 04:37:11,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2209 transitions. [2018-12-02 04:37:11,627 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2209 transitions. Word has length 133 [2018-12-02 04:37:11,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:11,627 INFO L480 AbstractCegarLoop]: Abstraction has 1691 states and 2209 transitions. [2018-12-02 04:37:11,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:37:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2209 transitions. [2018-12-02 04:37:11,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 04:37:11,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:11,630 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] [2018-12-02 04:37:11,630 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:11,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:11,630 INFO L82 PathProgramCache]: Analyzing trace with hash 232349460, now seen corresponding path program 1 times [2018-12-02 04:37:11,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:11,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:11,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:11,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:11,633 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 04:37:11,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:37:11,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:37:11,713 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:37:11,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:37:11,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:37:11,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:37:11,714 INFO L87 Difference]: Start difference. First operand 1691 states and 2209 transitions. Second operand 3 states. [2018-12-02 04:37:11,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:11,812 INFO L93 Difference]: Finished difference Result 4245 states and 5536 transitions. [2018-12-02 04:37:11,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:37:11,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2018-12-02 04:37:11,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:11,818 INFO L225 Difference]: With dead ends: 4245 [2018-12-02 04:37:11,818 INFO L226 Difference]: Without dead ends: 2587 [2018-12-02 04:37:11,822 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 [2018-12-02 04:37:11,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2587 states. [2018-12-02 04:37:11,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2587 to 2563. [2018-12-02 04:37:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2563 states. [2018-12-02 04:37:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 3313 transitions. [2018-12-02 04:37:11,879 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 3313 transitions. Word has length 174 [2018-12-02 04:37:11,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:11,880 INFO L480 AbstractCegarLoop]: Abstraction has 2563 states and 3313 transitions. [2018-12-02 04:37:11,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:37:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 3313 transitions. [2018-12-02 04:37:11,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 04:37:11,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:11,883 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] [2018-12-02 04:37:11,883 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:11,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:11,883 INFO L82 PathProgramCache]: Analyzing trace with hash 667071498, now seen corresponding path program 1 times [2018-12-02 04:37:11,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:11,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:11,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:11,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:11,885 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 04:37:11,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:37:11,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 04:37:11,987 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:37:11,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 04:37:11,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 04:37:11,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:37:11,988 INFO L87 Difference]: Start difference. First operand 2563 states and 3313 transitions. Second operand 5 states. [2018-12-02 04:37:12,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:12,101 INFO L93 Difference]: Finished difference Result 5147 states and 6709 transitions. [2018-12-02 04:37:12,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 04:37:12,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2018-12-02 04:37:12,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:12,111 INFO L225 Difference]: With dead ends: 5147 [2018-12-02 04:37:12,111 INFO L226 Difference]: Without dead ends: 2617 [2018-12-02 04:37:12,117 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 [2018-12-02 04:37:12,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2018-12-02 04:37:12,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2603. [2018-12-02 04:37:12,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2603 states. [2018-12-02 04:37:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3363 transitions. [2018-12-02 04:37:12,180 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3363 transitions. Word has length 157 [2018-12-02 04:37:12,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:12,180 INFO L480 AbstractCegarLoop]: Abstraction has 2603 states and 3363 transitions. [2018-12-02 04:37:12,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 04:37:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3363 transitions. [2018-12-02 04:37:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 04:37:12,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:12,183 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] [2018-12-02 04:37:12,183 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:12,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:12,184 INFO L82 PathProgramCache]: Analyzing trace with hash -629054003, now seen corresponding path program 1 times [2018-12-02 04:37:12,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:12,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:12,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:12,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:12,186 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-02 04:37:12,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:37:12,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:37:12,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:37:12,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:37:12,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:37:12,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:37:12,249 INFO L87 Difference]: Start difference. First operand 2603 states and 3363 transitions. Second operand 3 states. [2018-12-02 04:37:12,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:12,307 INFO L93 Difference]: Finished difference Result 5181 states and 6717 transitions. [2018-12-02 04:37:12,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:37:12,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-12-02 04:37:12,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:12,314 INFO L225 Difference]: With dead ends: 5181 [2018-12-02 04:37:12,314 INFO L226 Difference]: Without dead ends: 2611 [2018-12-02 04:37:12,318 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 [2018-12-02 04:37:12,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2018-12-02 04:37:12,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2018-12-02 04:37:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2611 states. [2018-12-02 04:37:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3371 transitions. [2018-12-02 04:37:12,370 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3371 transitions. Word has length 180 [2018-12-02 04:37:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:12,371 INFO L480 AbstractCegarLoop]: Abstraction has 2611 states and 3371 transitions. [2018-12-02 04:37:12,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:37:12,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3371 transitions. [2018-12-02 04:37:12,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 04:37:12,373 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:12,374 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] [2018-12-02 04:37:12,374 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:12,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:12,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1121680177, now seen corresponding path program 1 times [2018-12-02 04:37:12,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:12,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:12,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:12,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:12,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-02 04:37:12,452 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:12,452 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:37:12,453 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-12-02 04:37:12,454 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] [2018-12-02 04:37:12,479 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:37:12,479 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:37:12,793 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 04:37:12,794 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. [2018-12-02 04:37:12,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:12,799 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 04:37:12,963 INFO L227 lantSequenceWeakener]: Weakened 20 states. On average, predicates are now at 92.73% of their original sizes. [2018-12-02 04:37:12,964 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 04:37:13,010 INFO L418 sIntCurrentIteration]: We unified 179 AI predicates to 179 [2018-12-02 04:37:13,010 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 04:37:13,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 04:37:13,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-12-02 04:37:13,011 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:37:13,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 04:37:13,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 04:37:13,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-02 04:37:13,011 INFO L87 Difference]: Start difference. First operand 2611 states and 3371 transitions. Second operand 9 states. [2018-12-02 04:37:16,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:16,976 INFO L93 Difference]: Finished difference Result 5197 states and 6717 transitions. [2018-12-02 04:37:16,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 04:37:16,976 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 180 [2018-12-02 04:37:16,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:16,981 INFO L225 Difference]: With dead ends: 5197 [2018-12-02 04:37:16,981 INFO L226 Difference]: Without dead ends: 2612 [2018-12-02 04:37:16,985 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 [2018-12-02 04:37:16,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2018-12-02 04:37:17,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2612. [2018-12-02 04:37:17,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2612 states. [2018-12-02 04:37:17,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3372 transitions. [2018-12-02 04:37:17,057 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3372 transitions. Word has length 180 [2018-12-02 04:37:17,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:17,058 INFO L480 AbstractCegarLoop]: Abstraction has 2612 states and 3372 transitions. [2018-12-02 04:37:17,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 04:37:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3372 transitions. [2018-12-02 04:37:17,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 04:37:17,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:17,060 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] [2018-12-02 04:37:17,061 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:17,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:17,061 INFO L82 PathProgramCache]: Analyzing trace with hash 605646797, now seen corresponding path program 1 times [2018-12-02 04:37:17,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:17,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:17,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:17,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:17,063 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:17,245 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 04:37:17,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:37:17,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 04:37:17,246 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:37:17,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 04:37:17,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 04:37:17,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:37:17,247 INFO L87 Difference]: Start difference. First operand 2612 states and 3372 transitions. Second operand 7 states. [2018-12-02 04:37:17,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:17,458 INFO L93 Difference]: Finished difference Result 5273 states and 6884 transitions. [2018-12-02 04:37:17,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 04:37:17,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2018-12-02 04:37:17,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:17,465 INFO L225 Difference]: With dead ends: 5273 [2018-12-02 04:37:17,465 INFO L226 Difference]: Without dead ends: 2623 [2018-12-02 04:37:17,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 04:37:17,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2018-12-02 04:37:17,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 2623. [2018-12-02 04:37:17,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2623 states. [2018-12-02 04:37:17,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2623 states and 3383 transitions. [2018-12-02 04:37:17,546 INFO L78 Accepts]: Start accepts. Automaton has 2623 states and 3383 transitions. Word has length 182 [2018-12-02 04:37:17,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:17,546 INFO L480 AbstractCegarLoop]: Abstraction has 2623 states and 3383 transitions. [2018-12-02 04:37:17,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 04:37:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 3383 transitions. [2018-12-02 04:37:17,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 04:37:17,550 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:17,550 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] [2018-12-02 04:37:17,550 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:17,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:17,550 INFO L82 PathProgramCache]: Analyzing trace with hash 455382844, now seen corresponding path program 1 times [2018-12-02 04:37:17,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:17,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:17,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:17,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:17,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-02 04:37:17,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:17,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:37:17,702 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-12-02 04:37:17,703 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], [345], [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] [2018-12-02 04:37:17,707 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:37:17,707 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:37:25,474 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 04:37:25,474 INFO L272 AbstractInterpreter]: Visited 142 different actions 3505 times. Merged at 69 different actions 1378 times. Widened at 3 different actions 4 times. Performed 128116 root evaluator evaluations with a maximum evaluation depth of 10. Performed 128116 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 394 fixpoints after 14 different actions. Largest state had 207 variables. [2018-12-02 04:37:25,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:25,478 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 04:37:25,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:25,478 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 [2018-12-02 04:37:25,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:25,488 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 04:37:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:25,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:37:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-02 04:37:25,679 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 04:37:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-02 04:37:25,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 04:37:25,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-02 04:37:25,841 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 04:37:25,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 04:37:25,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 04:37:25,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-12-02 04:37:25,841 INFO L87 Difference]: Start difference. First operand 2623 states and 3383 transitions. Second operand 8 states. [2018-12-02 04:37:25,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:25,950 INFO L93 Difference]: Finished difference Result 5222 states and 6741 transitions. [2018-12-02 04:37:25,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 04:37:25,950 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2018-12-02 04:37:25,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:25,957 INFO L225 Difference]: With dead ends: 5222 [2018-12-02 04:37:25,957 INFO L226 Difference]: Without dead ends: 2624 [2018-12-02 04:37:25,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 326 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-12-02 04:37:25,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2018-12-02 04:37:26,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2624. [2018-12-02 04:37:26,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2018-12-02 04:37:26,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 3384 transitions. [2018-12-02 04:37:26,068 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 3384 transitions. Word has length 166 [2018-12-02 04:37:26,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:26,068 INFO L480 AbstractCegarLoop]: Abstraction has 2624 states and 3384 transitions. [2018-12-02 04:37:26,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 04:37:26,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 3384 transitions. [2018-12-02 04:37:26,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 04:37:26,071 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:26,071 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] [2018-12-02 04:37:26,072 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:26,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:26,072 INFO L82 PathProgramCache]: Analyzing trace with hash 772042238, now seen corresponding path program 2 times [2018-12-02 04:37:26,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:26,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:26,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:26,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:26,075 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:26,172 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 04:37:26,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:26,172 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:37:26,172 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-02 04:37:26,172 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-02 04:37:26,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:26,172 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 [2018-12-02 04:37:26,183 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-02 04:37:26,183 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-02 04:37:26,288 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2018-12-02 04:37:26,288 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 04:37:26,294 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:37:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-02 04:37:26,403 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 04:37:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-02 04:37:26,969 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 04:37:26,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [6] total 23 [2018-12-02 04:37:26,969 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:37:26,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 04:37:26,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 04:37:26,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2018-12-02 04:37:26,970 INFO L87 Difference]: Start difference. First operand 2624 states and 3384 transitions. Second operand 11 states. [2018-12-02 04:37:27,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:27,145 INFO L93 Difference]: Finished difference Result 5514 states and 7234 transitions. [2018-12-02 04:37:27,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 04:37:27,145 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2018-12-02 04:37:27,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:27,151 INFO L225 Difference]: With dead ends: 5514 [2018-12-02 04:37:27,152 INFO L226 Difference]: Without dead ends: 2926 [2018-12-02 04:37:27,155 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 320 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2018-12-02 04:37:27,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2926 states. [2018-12-02 04:37:27,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2926 to 2672. [2018-12-02 04:37:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2672 states. [2018-12-02 04:37:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3432 transitions. [2018-12-02 04:37:27,223 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3432 transitions. Word has length 168 [2018-12-02 04:37:27,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:27,223 INFO L480 AbstractCegarLoop]: Abstraction has 2672 states and 3432 transitions. [2018-12-02 04:37:27,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 04:37:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3432 transitions. [2018-12-02 04:37:27,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 04:37:27,225 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:27,226 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, 1] [2018-12-02 04:37:27,226 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:27,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:27,226 INFO L82 PathProgramCache]: Analyzing trace with hash -2068379280, now seen corresponding path program 1 times [2018-12-02 04:37:27,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:27,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:27,228 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 04:37:27,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:27,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 04:37:27,321 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:27,321 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:37:27,321 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-12-02 04:37:27,321 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], [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] [2018-12-02 04:37:27,323 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:37:27,323 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:37:36,184 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 04:37:36,184 INFO L272 AbstractInterpreter]: Visited 159 different actions 3999 times. Merged at 69 different actions 1508 times. Widened at 3 different actions 3 times. Performed 153225 root evaluator evaluations with a maximum evaluation depth of 10. Performed 153225 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 442 fixpoints after 14 different actions. Largest state had 218 variables. [2018-12-02 04:37:36,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:36,186 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 04:37:36,186 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:36,186 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 [2018-12-02 04:37:36,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:36,196 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 04:37:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:36,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:37:36,435 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 04:37:36,435 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 04:37:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 04:37:36,595 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 04:37:36,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2018-12-02 04:37:36,595 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 04:37:36,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 04:37:36,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 04:37:36,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2018-12-02 04:37:36,597 INFO L87 Difference]: Start difference. First operand 2672 states and 3432 transitions. Second operand 10 states. [2018-12-02 04:37:36,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:36,697 INFO L93 Difference]: Finished difference Result 5320 states and 6839 transitions. [2018-12-02 04:37:36,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 04:37:36,697 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2018-12-02 04:37:36,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:36,702 INFO L225 Difference]: With dead ends: 5320 [2018-12-02 04:37:36,702 INFO L226 Difference]: Without dead ends: 2673 [2018-12-02 04:37:36,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 362 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2018-12-02 04:37:36,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2018-12-02 04:37:36,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 2673. [2018-12-02 04:37:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2673 states. [2018-12-02 04:37:36,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 3433 transitions. [2018-12-02 04:37:36,764 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 3433 transitions. Word has length 185 [2018-12-02 04:37:36,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:36,764 INFO L480 AbstractCegarLoop]: Abstraction has 2673 states and 3433 transitions. [2018-12-02 04:37:36,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 04:37:36,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3433 transitions. [2018-12-02 04:37:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 04:37:36,767 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:36,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:37:36,767 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:36,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:36,768 INFO L82 PathProgramCache]: Analyzing trace with hash 114890162, now seen corresponding path program 2 times [2018-12-02 04:37:36,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:36,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:36,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:36,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:36,770 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 04:37:36,868 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:36,868 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:37:36,869 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-02 04:37:36,869 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-02 04:37:36,869 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:36,869 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 [2018-12-02 04:37:36,881 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-02 04:37:36,881 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-02 04:37:36,995 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2018-12-02 04:37:36,995 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 04:37:37,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:37:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-02 04:37:37,141 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 04:37:37,739 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-02 04:37:37,764 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 04:37:37,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [7] total 24 [2018-12-02 04:37:37,765 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:37:37,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 04:37:37,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 04:37:37,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2018-12-02 04:37:37,765 INFO L87 Difference]: Start difference. First operand 2673 states and 3433 transitions. Second operand 11 states. [2018-12-02 04:37:37,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:37,942 INFO L93 Difference]: Finished difference Result 5555 states and 7219 transitions. [2018-12-02 04:37:37,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 04:37:37,943 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 187 [2018-12-02 04:37:37,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:37,949 INFO L225 Difference]: With dead ends: 5555 [2018-12-02 04:37:37,949 INFO L226 Difference]: Without dead ends: 2919 [2018-12-02 04:37:37,952 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 358 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2018-12-02 04:37:37,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2919 states. [2018-12-02 04:37:38,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2919 to 2689. [2018-12-02 04:37:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2689 states. [2018-12-02 04:37:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3449 transitions. [2018-12-02 04:37:38,035 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3449 transitions. Word has length 187 [2018-12-02 04:37:38,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:38,035 INFO L480 AbstractCegarLoop]: Abstraction has 2689 states and 3449 transitions. [2018-12-02 04:37:38,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 04:37:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3449 transitions. [2018-12-02 04:37:38,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 04:37:38,039 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:38,039 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, 1] [2018-12-02 04:37:38,039 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:38,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:38,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1315514772, now seen corresponding path program 1 times [2018-12-02 04:37:38,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:38,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:38,041 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 04:37:38,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:38,041 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:38,190 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-02 04:37:38,190 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:38,190 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:37:38,190 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-12-02 04:37:38,191 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] [2018-12-02 04:37:38,193 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:37:38,193 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:37:50,408 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 04:37:50,408 INFO L272 AbstractInterpreter]: Visited 183 different actions 5381 times. Merged at 87 different actions 1882 times. Widened at 3 different actions 4 times. Performed 221413 root evaluator evaluations with a maximum evaluation depth of 10. Performed 221413 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 500 fixpoints after 17 different actions. Largest state had 228 variables. [2018-12-02 04:37:50,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:50,410 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 04:37:50,410 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:50,410 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 [2018-12-02 04:37:50,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:50,419 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 04:37:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:50,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:37:50,590 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-02 04:37:50,590 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 04:37:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-02 04:37:50,742 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 04:37:50,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2018-12-02 04:37:50,742 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 04:37:50,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 04:37:50,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 04:37:50,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2018-12-02 04:37:50,743 INFO L87 Difference]: Start difference. First operand 2689 states and 3449 transitions. Second operand 12 states. [2018-12-02 04:37:50,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:37:50,846 INFO L93 Difference]: Finished difference Result 5354 states and 6873 transitions. [2018-12-02 04:37:50,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:37:50,846 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 221 [2018-12-02 04:37:50,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:37:50,851 INFO L225 Difference]: With dead ends: 5354 [2018-12-02 04:37:50,851 INFO L226 Difference]: Without dead ends: 2690 [2018-12-02 04:37:50,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 432 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2018-12-02 04:37:50,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2018-12-02 04:37:50,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2018-12-02 04:37:50,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2018-12-02 04:37:50,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3450 transitions. [2018-12-02 04:37:50,925 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3450 transitions. Word has length 221 [2018-12-02 04:37:50,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:37:50,925 INFO L480 AbstractCegarLoop]: Abstraction has 2690 states and 3450 transitions. [2018-12-02 04:37:50,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 04:37:50,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3450 transitions. [2018-12-02 04:37:50,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 04:37:50,929 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:37:50,929 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] [2018-12-02 04:37:50,929 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:37:50,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:37:50,929 INFO L82 PathProgramCache]: Analyzing trace with hash -646133742, now seen corresponding path program 2 times [2018-12-02 04:37:50,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:37:50,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:50,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:37:50,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:37:50,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:37:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:51,532 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-12-02 04:37:51,657 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 04:37:51,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:51,658 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:37:51,658 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-02 04:37:51,658 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-02 04:37:51,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:37:51,658 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 [2018-12-02 04:37:51,668 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-02 04:37:51,668 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-02 04:37:51,810 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-02 04:37:51,811 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 04:37:51,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:37:58,357 WARN L180 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-02 04:38:01,270 WARN L180 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-02 04:38:03,790 WARN L180 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-02 04:38:06,313 WARN L180 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-02 04:38:08,837 WARN L180 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-02 04:38:17,801 WARN L180 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-02 04:38:22,438 WARN L180 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 30 [2018-12-02 04:38:26,507 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 30 [2018-12-02 04:38:30,567 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 30 [2018-12-02 04:38:34,623 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 30 [2018-12-02 04:38:34,653 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 [2018-12-02 04:38:34,656 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 [2018-12-02 04:38:34,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:34,693 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 04:38:34,701 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 [2018-12-02 04:38:34,702 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-02 04:38:34,764 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 [2018-12-02 04:38:34,774 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 [2018-12-02 04:38:34,775 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-12-02 04:38:34,800 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 40 treesize of output 20 [2018-12-02 04:38:34,800 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:34,815 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 04:38:34,830 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 [2018-12-02 04:38:34,833 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 48 treesize of output 28 [2018-12-02 04:38:34,833 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:34,857 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 04:38:34,860 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 04:38:34,873 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 [2018-12-02 04:38:34,874 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2018-12-02 04:38:34,908 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 04:38:35,010 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 47 treesize of output 72 [2018-12-02 04:38:35,018 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 04:38:35,031 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 62 [2018-12-02 04:38:35,032 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-12-02 04:38:35,169 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 [2018-12-02 04:38:35,170 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:35,255 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 04:38:35,258 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 04:38:35,272 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 [2018-12-02 04:38:35,274 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2018-12-02 04:38:35,366 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-12-02 04:38:35,546 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 [2018-12-02 04:38:35,561 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 [2018-12-02 04:38:35,562 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-12-02 04:38:35,667 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 [2018-12-02 04:38:35,668 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-12-02 04:38:35,734 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 [2018-12-02 04:38:35,735 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:35,780 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 04:38:35,784 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 04:38:35,800 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 [2018-12-02 04:38:35,801 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 4 xjuncts. [2018-12-02 04:38:35,854 INFO L267 ElimStorePlain]: Start of recursive call 15: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-02 04:38:35,924 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-12-02 04:38:35,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 5 xjuncts. [2018-12-02 04:38:35,968 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 4 variables, input treesize:69, output treesize:158 [2018-12-02 04:38:38,210 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2018-12-02 04:38:38,563 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 22 treesize of output 20 [2018-12-02 04:38:38,565 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 [2018-12-02 04:38:38,565 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:38,569 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:38:38,588 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 28 treesize of output 24 [2018-12-02 04:38:38,590 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 [2018-12-02 04:38:38,590 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:38,594 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:38:38,610 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 30 treesize of output 26 [2018-12-02 04:38:38,611 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 [2018-12-02 04:38:38,611 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:38,615 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:38:38,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-02 04:38:38,628 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:81, output treesize:40 [2018-12-02 04:38:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 04:38:38,792 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 04:38:39,037 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 04:38:39,040 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 04:38:39,072 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 63 [2018-12-02 04:38:39,155 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 45 treesize of output 44 [2018-12-02 04:38:39,156 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,213 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 04:38:39,214 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 04:38:39,214 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 0 case distinctions, treesize of input 39 treesize of output 45 [2018-12-02 04:38:39,216 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,218 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 04:38:39,226 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 44 treesize of output 61 [2018-12-02 04:38:39,227 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-02 04:38:39,229 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 04:38:39,230 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 04:38:39,230 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 0 case distinctions, treesize of input 45 treesize of output 51 [2018-12-02 04:38:39,231 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,291 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2018-12-02 04:38:39,293 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 [2018-12-02 04:38:39,294 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,301 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 8 treesize of output 1 [2018-12-02 04:38:39,301 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,307 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,354 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 26 treesize of output 24 [2018-12-02 04:38:39,355 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 8 treesize of output 1 [2018-12-02 04:38:39,356 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,359 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,360 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 28 treesize of output 26 [2018-12-02 04:38:39,362 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 8 treesize of output 1 [2018-12-02 04:38:39,362 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,369 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,371 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 41 treesize of output 37 [2018-12-02 04:38:39,373 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 04:38:39,373 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 04:38:39,374 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 18 treesize of output 16 [2018-12-02 04:38:39,375 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,382 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,384 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 32 treesize of output 30 [2018-12-02 04:38:39,386 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 8 treesize of output 1 [2018-12-02 04:38:39,386 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,390 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 04:38:39,428 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-02 04:38:39,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-02 04:38:39,447 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 8 variables, input treesize:70, output treesize:15 [2018-12-02 04:38:39,805 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 04:38:39,809 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 04:38:39,822 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. [2018-12-02 04:38:39,822 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:70, output treesize:58 [2018-12-02 04:38:39,913 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-12-02 04:38:40,482 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 04:38:40,610 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 04:38:41,899 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 04:38:41,900 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) [2018-12-02 04:38:41,905 INFO L168 Benchmark]: Toolchain (without parser) took 93463.04 ms. Allocated memory was 1.0 GB in the beginning and 4.3 GB in the end (delta: 3.3 GB). Free memory was 946.3 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-02 04:38:41,905 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:38:41,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 94.2 MB. Max. memory is 11.5 GB. [2018-12-02 04:38:41,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:38:41,907 INFO L168 Benchmark]: Boogie Preprocessor took 69.74 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-02 04:38:41,907 INFO L168 Benchmark]: RCFGBuilder took 771.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.4 MB in the end (delta: 158.3 MB). Peak memory consumption was 158.3 MB. Max. memory is 11.5 GB. [2018-12-02 04:38:41,908 INFO L168 Benchmark]: TraceAbstraction took 91775.71 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.1 GB). Free memory was 933.4 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-02 04:38:41,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 808.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 94.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.74 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 771.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.4 MB in the end (delta: 158.3 MB). Peak memory consumption was 158.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 91775.71 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.1 GB). Free memory was 933.4 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.5 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 [2018-12-02 04:38:43,232 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:38:43,233 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:38:43,239 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:38:43,239 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:38:43,239 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:38:43,240 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:38:43,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:38:43,241 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:38:43,242 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:38:43,242 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:38:43,242 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:38:43,243 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:38:43,243 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:38:43,243 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:38:43,244 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:38:43,244 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:38:43,245 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:38:43,246 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:38:43,246 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:38:43,247 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:38:43,247 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:38:43,248 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:38:43,249 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:38:43,249 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:38:43,249 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:38:43,250 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:38:43,250 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:38:43,250 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:38:43,251 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:38:43,251 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:38:43,251 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:38:43,251 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:38:43,251 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:38:43,252 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:38:43,252 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:38:43,252 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-12-02 04:38:43,259 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:38:43,259 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:38:43,260 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:38:43,260 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:38:43,260 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:38:43,260 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:38:43,260 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:38:43,260 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:38:43,260 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:38:43,260 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:38:43,261 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:38:43,261 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:38:43,261 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:38:43,261 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:38:43,261 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:38:43,261 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 04:38:43,261 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 04:38:43,261 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:38:43,261 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:38:43,262 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:38:43,262 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:38:43,262 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:38:43,262 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:38:43,262 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:38:43,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:38:43,262 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:38:43,262 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:38:43,262 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:38:43,262 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 04:38:43,263 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:38:43,263 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 04:38:43,263 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 04:38:43,263 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_d47c766b-d7ab-4659-b353-e23badb704ea/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 -> a9e5580db0773458338574d04b29d7b85a7b31f0 [2018-12-02 04:38:43,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:38:43,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:38:43,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:38:43,290 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:38:43,290 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:38:43,291 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 [2018-12-02 04:38:43,325 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/data/d59964c96/9a20517bc33d4a1dafd63398930a4c2e/FLAG5343af6cb [2018-12-02 04:38:43,761 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:38:43,761 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 [2018-12-02 04:38:43,776 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/data/d59964c96/9a20517bc33d4a1dafd63398930a4c2e/FLAG5343af6cb [2018-12-02 04:38:44,056 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/data/d59964c96/9a20517bc33d4a1dafd63398930a4c2e [2018-12-02 04:38:44,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:38:44,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:38:44,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:38:44,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:38:44,062 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:38:44,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:38:44" (1/1) ... [2018-12-02 04:38:44,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fcddc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44, skipping insertion in model container [2018-12-02 04:38:44,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:38:44" (1/1) ... [2018-12-02 04:38:44,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:38:44,129 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:38:44,728 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:38:44,748 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:38:44,861 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:38:44,900 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:38:44,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44 WrapperNode [2018-12-02 04:38:44,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:38:44,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:38:44,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:38:44,901 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:38:44,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44" (1/1) ... [2018-12-02 04:38:44,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44" (1/1) ... [2018-12-02 04:38:44,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:38:44,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:38:44,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:38:44,938 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:38:44,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44" (1/1) ... [2018-12-02 04:38:44,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44" (1/1) ... [2018-12-02 04:38:44,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44" (1/1) ... [2018-12-02 04:38:44,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44" (1/1) ... [2018-12-02 04:38:44,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44" (1/1) ... [2018-12-02 04:38:44,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44" (1/1) ... [2018-12-02 04:38:45,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44" (1/1) ... [2018-12-02 04:38:45,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:38:45,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:38:45,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:38:45,015 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:38:45,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 [2018-12-02 04:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-12-02 04:38:45,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2018-12-02 04:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-02 04:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-12-02 04:38:45,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-12-02 04:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-12-02 04:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:38:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 04:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-02 04:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-02 04:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2018-12-02 04:38:45,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2018-12-02 04:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-12-02 04:38:45,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-12-02 04:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-02 04:38:45,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-02 04:38:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-02 04:38:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-02 04:38:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-12-02 04:38:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2018-12-02 04:38:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 04:38:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 04:38:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2018-12-02 04:38:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2018-12-02 04:38:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2018-12-02 04:38:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2018-12-02 04:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-12-02 04:38:45,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2018-12-02 04:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2018-12-02 04:38:45,061 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2018-12-02 04:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-12-02 04:38:45,061 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2018-12-02 04:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-02 04:38:45,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-02 04:38:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-12-02 04:38:45,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-12-02 04:38:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-12-02 04:38:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2018-12-02 04:38:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 04:38:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 04:38:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-12-02 04:38:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-12-02 04:38:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-12-02 04:38:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2018-12-02 04:38:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2018-12-02 04:38:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2018-12-02 04:38:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2018-12-02 04:38:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2018-12-02 04:38:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2018-12-02 04:38:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-12-02 04:38:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-12-02 04:38:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-12-02 04:38:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2018-12-02 04:38:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 04:38:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-02 04:38:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-12-02 04:38:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-12-02 04:38:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-12-02 04:38:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2018-12-02 04:38:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-02 04:38:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-12-02 04:38:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-12-02 04:38:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-12-02 04:38:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2018-12-02 04:38:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2018-12-02 04:38:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-02 04:38:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-02 04:38:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2018-12-02 04:38:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2018-12-02 04:38:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_bind [2018-12-02 04:38:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_bind [2018-12-02 04:38:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:38:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:38:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2018-12-02 04:38:45,065 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2018-12-02 04:38:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-12-02 04:38:45,065 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-12-02 04:38:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-12-02 04:38:45,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-12-02 04:38:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:38:45,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:38:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 04:38:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2018-12-02 04:38:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2018-12-02 04:38:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-02 04:38:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-12-02 04:38:45,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-12-02 04:38:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-12-02 04:38:45,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2018-12-02 04:38:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 04:38:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-12-02 04:38:45,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-12-02 04:38:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-12-02 04:38:45,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2018-12-02 04:38:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-12-02 04:38:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-12-02 04:38:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-12-02 04:38:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 04:38:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:38:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 04:38:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2018-12-02 04:38:45,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2018-12-02 04:38:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_init [2018-12-02 04:38:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_init [2018-12-02 04:38:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-12-02 04:38:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-02 04:38:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-12-02 04:38:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-12-02 04:38:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2018-12-02 04:38:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-02 04:38:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-02 04:38:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-12-02 04:38:45,069 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-12-02 04:38:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_exit [2018-12-02 04:38:45,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_exit [2018-12-02 04:38:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2018-12-02 04:38:45,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2018-12-02 04:38:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2018-12-02 04:38:45,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2018-12-02 04:38:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2018-12-02 04:38:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2018-12-02 04:38:45,070 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2018-12-02 04:38:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_unbind [2018-12-02 04:38:45,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_unbind [2018-12-02 04:38:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-12-02 04:38:45,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2018-12-02 04:38:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-02 04:38:45,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-02 04:38:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-02 04:38:45,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-02 04:38:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:38:45,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:38:46,838 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:38:46,838 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 04:38:46,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:38:46 BoogieIcfgContainer [2018-12-02 04:38:46,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:38:46,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:38:46,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:38:46,840 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:38:46,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:38:44" (1/3) ... [2018-12-02 04:38:46,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e96f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:38:46, skipping insertion in model container [2018-12-02 04:38:46,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:38:44" (2/3) ... [2018-12-02 04:38:46,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e96f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:38:46, skipping insertion in model container [2018-12-02 04:38:46,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:38:46" (3/3) ... [2018-12-02 04:38:46,842 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 [2018-12-02 04:38:46,848 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:38:46,854 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:38:46,865 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:38:46,883 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 04:38:46,884 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:38:46,884 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:38:46,884 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:38:46,884 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:38:46,884 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:38:46,884 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:38:46,884 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:38:46,885 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:38:46,903 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states. [2018-12-02 04:38:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 04:38:46,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:38:46,912 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] [2018-12-02 04:38:46,913 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:38:46,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:38:46,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1034358343, now seen corresponding path program 1 times [2018-12-02 04:38:46,919 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 04:38:46,919 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/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 [2018-12-02 04:38:46,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:38:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:38:47,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:38:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 04:38:47,072 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 04:38:47,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:38:47,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:38:47,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 04:38:47,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 04:38:47,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 04:38:47,087 INFO L87 Difference]: Start difference. First operand 408 states. Second operand 2 states. [2018-12-02 04:38:47,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:38:47,110 INFO L93 Difference]: Finished difference Result 408 states and 522 transitions. [2018-12-02 04:38:47,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 04:38:47,111 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 60 [2018-12-02 04:38:47,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:38:47,115 INFO L225 Difference]: With dead ends: 408 [2018-12-02 04:38:47,115 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 04:38:47,118 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 [2018-12-02 04:38:47,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 04:38:47,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 04:38:47,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 04:38:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 04:38:47,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-12-02 04:38:47,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:38:47,132 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 04:38:47,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 04:38:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 04:38:47,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:38:47,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 04:38:47,294 INFO L448 ceAbstractionStarter]: For program point usbnet_resumeFINAL(lines 6494 6496) no Hoare annotation was computed. [2018-12-02 04:38:47,295 INFO L451 ceAbstractionStarter]: At program point usbnet_resumeENTRY(lines 6494 6496) the Hoare annotation is: true [2018-12-02 04:38:47,295 INFO L448 ceAbstractionStarter]: For program point usbnet_resumeEXIT(lines 6494 6496) no Hoare annotation was computed. [2018-12-02 04:38:47,295 INFO L451 ceAbstractionStarter]: At program point L5454(line 5454) the Hoare annotation is: true [2018-12-02 04:38:47,295 INFO L451 ceAbstractionStarter]: At program point __kmallocENTRY(lines 5452 5455) the Hoare annotation is: true [2018-12-02 04:38:47,295 INFO L448 ceAbstractionStarter]: For program point L5454-1(line 5454) no Hoare annotation was computed. [2018-12-02 04:38:47,295 INFO L448 ceAbstractionStarter]: For program point __kmallocFINAL(lines 5452 5455) no Hoare annotation was computed. [2018-12-02 04:38:47,295 INFO L448 ceAbstractionStarter]: For program point __kmallocEXIT(lines 5452 5455) no Hoare annotation was computed. [2018-12-02 04:38:47,295 INFO L448 ceAbstractionStarter]: For program point L6113(lines 6113 6121) no Hoare annotation was computed. [2018-12-02 04:38:47,295 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 5963 6151) no Hoare annotation was computed. [2018-12-02 04:38:47,295 INFO L451 ceAbstractionStarter]: At program point L6130(line 6130) the Hoare annotation is: true [2018-12-02 04:38:47,295 INFO L448 ceAbstractionStarter]: For program point L6130-1(line 6130) no Hoare annotation was computed. [2018-12-02 04:38:47,296 INFO L448 ceAbstractionStarter]: For program point L6064(line 6064) no Hoare annotation was computed. [2018-12-02 04:38:47,296 INFO L451 ceAbstractionStarter]: At program point L6114(line 6114) the Hoare annotation is: true [2018-12-02 04:38:47,296 INFO L448 ceAbstractionStarter]: For program point L6015(line 6015) no Hoare annotation was computed. [2018-12-02 04:38:47,296 INFO L448 ceAbstractionStarter]: For program point L6081(line 6081) no Hoare annotation was computed. [2018-12-02 04:38:47,296 INFO L448 ceAbstractionStarter]: For program point L6114-1(line 6114) no Hoare annotation was computed. [2018-12-02 04:38:47,296 INFO L448 ceAbstractionStarter]: For program point L6065(lines 6065 6079) no Hoare annotation was computed. [2018-12-02 04:38:47,296 INFO L448 ceAbstractionStarter]: For program point L6115(lines 6115 6119) no Hoare annotation was computed. [2018-12-02 04:38:47,296 INFO L451 ceAbstractionStarter]: At program point L6082(line 6082) the Hoare annotation is: true [2018-12-02 04:38:47,296 INFO L448 ceAbstractionStarter]: For program point L6148(line 6148) no Hoare annotation was computed. [2018-12-02 04:38:47,296 INFO L448 ceAbstractionStarter]: For program point L6016(lines 6016 6023) no Hoare annotation was computed. [2018-12-02 04:38:47,296 INFO L451 ceAbstractionStarter]: At program point L6099(line 6099) the Hoare annotation is: true [2018-12-02 04:38:47,296 INFO L451 ceAbstractionStarter]: At program point L6066(line 6066) the Hoare annotation is: true [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L6099-1(line 6099) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L6066-1(line 6066) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 5963 6151) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L451 ceAbstractionStarter]: At program point L6017(line 6017) the Hoare annotation is: true [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L6017-1(line 6017) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L6067(lines 6067 6072) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L6067-1(lines 6065 6078) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L6001(line 6001) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L6018(lines 6018 6021) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L5985(lines 5985 6144) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L6035(line 6035) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L6002(lines 6002 6007) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L6002-2(lines 5989 6047) no Hoare annotation was computed. [2018-12-02 04:38:47,297 INFO L448 ceAbstractionStarter]: For program point L5986(line 5986) no Hoare annotation was computed. [2018-12-02 04:38:47,298 INFO L448 ceAbstractionStarter]: For program point L6052(line 6052) no Hoare annotation was computed. [2018-12-02 04:38:47,298 INFO L448 ceAbstractionStarter]: For program point L6135(line 6135) no Hoare annotation was computed. [2018-12-02 04:38:47,298 INFO L451 ceAbstractionStarter]: At program point L6003(line 6003) the Hoare annotation is: true [2018-12-02 04:38:47,298 INFO L448 ceAbstractionStarter]: For program point L6003-1(line 6003) no Hoare annotation was computed. [2018-12-02 04:38:47,298 INFO L448 ceAbstractionStarter]: For program point L6036(lines 6036 6043) no Hoare annotation was computed. [2018-12-02 04:38:47,298 INFO L448 ceAbstractionStarter]: For program point L5987(lines 5987 6050) no Hoare annotation was computed. [2018-12-02 04:38:47,298 INFO L448 ceAbstractionStarter]: For program point L6053(lines 6053 6086) no Hoare annotation was computed. [2018-12-02 04:38:47,298 INFO L451 ceAbstractionStarter]: At program point L6070(line 6070) the Hoare annotation is: true [2018-12-02 04:38:47,298 INFO L451 ceAbstractionStarter]: At program point L6136(line 6136) the Hoare annotation is: true [2018-12-02 04:38:47,298 INFO L451 ceAbstractionStarter]: At program point L6037(line 6037) the Hoare annotation is: true [2018-12-02 04:38:47,298 INFO L448 ceAbstractionStarter]: For program point L6037-1(line 6037) no Hoare annotation was computed. [2018-12-02 04:38:47,298 INFO L448 ceAbstractionStarter]: For program point L6038(lines 6038 6041) no Hoare annotation was computed. [2018-12-02 04:38:47,298 INFO L448 ceAbstractionStarter]: For program point L6104(line 6104) no Hoare annotation was computed. [2018-12-02 04:38:47,298 INFO L448 ceAbstractionStarter]: For program point L6055(lines 6055 6083) no Hoare annotation was computed. [2018-12-02 04:38:47,298 INFO L448 ceAbstractionStarter]: For program point L6088(line 6088) no Hoare annotation was computed. [2018-12-02 04:38:47,299 INFO L448 ceAbstractionStarter]: For program point L5989(lines 5989 6047) no Hoare annotation was computed. [2018-12-02 04:38:47,299 INFO L448 ceAbstractionStarter]: For program point L6105(lines 6105 6110) no Hoare annotation was computed. [2018-12-02 04:38:47,299 INFO L448 ceAbstractionStarter]: For program point L5990(line 5990) no Hoare annotation was computed. [2018-12-02 04:38:47,299 INFO L448 ceAbstractionStarter]: For program point L6089(lines 6089 6140) no Hoare annotation was computed. [2018-12-02 04:38:47,299 INFO L448 ceAbstractionStarter]: For program point L6056(line 6056) no Hoare annotation was computed. [2018-12-02 04:38:47,299 INFO L451 ceAbstractionStarter]: At program point L6106(line 6106) the Hoare annotation is: true [2018-12-02 04:38:47,299 INFO L451 ceAbstractionStarter]: At program point L5974(line 5974) the Hoare annotation is: true [2018-12-02 04:38:47,299 INFO L448 ceAbstractionStarter]: For program point L6106-1(line 6106) no Hoare annotation was computed. [2018-12-02 04:38:47,299 INFO L448 ceAbstractionStarter]: For program point L5974-1(line 5974) no Hoare annotation was computed. [2018-12-02 04:38:47,299 INFO L448 ceAbstractionStarter]: For program point L6123(line 6123) no Hoare annotation was computed. [2018-12-02 04:38:47,299 INFO L448 ceAbstractionStarter]: For program point L5991(lines 5991 5999) no Hoare annotation was computed. [2018-12-02 04:38:47,299 INFO L448 ceAbstractionStarter]: For program point L6057(lines 6057 6062) no Hoare annotation was computed. [2018-12-02 04:38:47,299 INFO L448 ceAbstractionStarter]: For program point L6091(lines 6091 6137) no Hoare annotation was computed. [2018-12-02 04:38:47,300 INFO L451 ceAbstractionStarter]: At program point L6058(line 6058) the Hoare annotation is: true [2018-12-02 04:38:47,300 INFO L448 ceAbstractionStarter]: For program point L6124-2(lines 6091 6137) no Hoare annotation was computed. [2018-12-02 04:38:47,300 INFO L448 ceAbstractionStarter]: For program point L6124(lines 6124 6128) no Hoare annotation was computed. [2018-12-02 04:38:47,300 INFO L448 ceAbstractionStarter]: For program point L5992-1(line 5992) no Hoare annotation was computed. [2018-12-02 04:38:47,300 INFO L448 ceAbstractionStarter]: For program point L6025(line 6025) no Hoare annotation was computed. [2018-12-02 04:38:47,300 INFO L448 ceAbstractionStarter]: For program point L6058-1(line 6058) no Hoare annotation was computed. [2018-12-02 04:38:47,300 INFO L451 ceAbstractionStarter]: At program point L5992(line 5992) the Hoare annotation is: true [2018-12-02 04:38:47,300 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 5963 6151) the Hoare annotation is: true [2018-12-02 04:38:47,300 INFO L451 ceAbstractionStarter]: At program point L6075(lines 5973 6150) the Hoare annotation is: true [2018-12-02 04:38:47,300 INFO L451 ceAbstractionStarter]: At program point L5976-1(line 5976) the Hoare annotation is: true [2018-12-02 04:38:47,300 INFO L451 ceAbstractionStarter]: At program point L6009(line 6009) the Hoare annotation is: true [2018-12-02 04:38:47,300 INFO L451 ceAbstractionStarter]: At program point L5976(line 5976) the Hoare annotation is: true [2018-12-02 04:38:47,301 INFO L448 ceAbstractionStarter]: For program point L6009-1(line 6009) no Hoare annotation was computed. [2018-12-02 04:38:47,301 INFO L448 ceAbstractionStarter]: For program point L6026(lines 6026 6033) no Hoare annotation was computed. [2018-12-02 04:38:47,301 INFO L451 ceAbstractionStarter]: At program point L6125(line 6125) the Hoare annotation is: true [2018-12-02 04:38:47,301 INFO L448 ceAbstractionStarter]: For program point L6092(line 6092) no Hoare annotation was computed. [2018-12-02 04:38:47,301 INFO L448 ceAbstractionStarter]: For program point L6125-1(line 6125) no Hoare annotation was computed. [2018-12-02 04:38:47,301 INFO L448 ceAbstractionStarter]: For program point L5993(lines 5993 5997) no Hoare annotation was computed. [2018-12-02 04:38:47,301 INFO L448 ceAbstractionStarter]: For program point L6142(line 6142) no Hoare annotation was computed. [2018-12-02 04:38:47,301 INFO L448 ceAbstractionStarter]: For program point L5977(line 5977) no Hoare annotation was computed. [2018-12-02 04:38:47,301 INFO L451 ceAbstractionStarter]: At program point L6027(line 6027) the Hoare annotation is: true [2018-12-02 04:38:47,301 INFO L448 ceAbstractionStarter]: For program point L6093-2(lines 6091 6137) no Hoare annotation was computed. [2018-12-02 04:38:47,301 INFO L448 ceAbstractionStarter]: For program point L6027-1(line 6027) no Hoare annotation was computed. [2018-12-02 04:38:47,301 INFO L448 ceAbstractionStarter]: For program point L6093(lines 6093 6097) no Hoare annotation was computed. [2018-12-02 04:38:47,301 INFO L451 ceAbstractionStarter]: At program point L6143(line 6143) the Hoare annotation is: true [2018-12-02 04:38:47,301 INFO L451 ceAbstractionStarter]: At program point L5978(line 5978) the Hoare annotation is: true [2018-12-02 04:38:47,302 INFO L448 ceAbstractionStarter]: For program point L5978-1(line 5978) no Hoare annotation was computed. [2018-12-02 04:38:47,302 INFO L451 ceAbstractionStarter]: At program point L6094(line 6094) the Hoare annotation is: true [2018-12-02 04:38:47,302 INFO L448 ceAbstractionStarter]: For program point L6094-1(line 6094) no Hoare annotation was computed. [2018-12-02 04:38:47,302 INFO L448 ceAbstractionStarter]: For program point L6028(lines 6028 6031) no Hoare annotation was computed. [2018-12-02 04:38:47,302 INFO L448 ceAbstractionStarter]: For program point L6045(line 6045) no Hoare annotation was computed. [2018-12-02 04:38:47,302 INFO L451 ceAbstractionStarter]: At program point L6046(line 6046) the Hoare annotation is: true [2018-12-02 04:38:47,302 INFO L451 ceAbstractionStarter]: At program point L6145(lines 5973 6150) the Hoare annotation is: true [2018-12-02 04:38:47,302 INFO L448 ceAbstractionStarter]: For program point L6112(line 6112) no Hoare annotation was computed. [2018-12-02 04:38:47,302 INFO L451 ceAbstractionStarter]: At program point ldv_set_initENTRY(lines 6221 6228) the Hoare annotation is: true [2018-12-02 04:38:47,302 INFO L448 ceAbstractionStarter]: For program point ldv_set_initEXIT(lines 6221 6228) no Hoare annotation was computed. [2018-12-02 04:38:47,302 INFO L448 ceAbstractionStarter]: For program point ldv_set_initFINAL(lines 6221 6228) no Hoare annotation was computed. [2018-12-02 04:38:47,302 INFO L448 ceAbstractionStarter]: For program point usb_bulk_msgFINAL(lines 6468 6470) no Hoare annotation was computed. [2018-12-02 04:38:47,302 INFO L451 ceAbstractionStarter]: At program point usb_bulk_msgENTRY(lines 6468 6470) the Hoare annotation is: true [2018-12-02 04:38:47,303 INFO L448 ceAbstractionStarter]: For program point usb_bulk_msgEXIT(lines 6468 6470) no Hoare annotation was computed. [2018-12-02 04:38:47,303 INFO L448 ceAbstractionStarter]: For program point ldv_set_addEXIT(lines 6230 6253) no Hoare annotation was computed. [2018-12-02 04:38:47,303 INFO L451 ceAbstractionStarter]: At program point L6235-2(lines 6235 6245) the Hoare annotation is: true [2018-12-02 04:38:47,303 INFO L448 ceAbstractionStarter]: For program point L6235-3(lines 6233 6252) no Hoare annotation was computed. [2018-12-02 04:38:47,303 INFO L448 ceAbstractionStarter]: For program point L6246-1(lines 6230 6253) no Hoare annotation was computed. [2018-12-02 04:38:47,303 INFO L448 ceAbstractionStarter]: For program point L6240(lines 6240 6243) no Hoare annotation was computed. [2018-12-02 04:38:47,303 INFO L448 ceAbstractionStarter]: For program point L6236-1(lines 6236 6239) no Hoare annotation was computed. [2018-12-02 04:38:47,303 INFO L448 ceAbstractionStarter]: For program point L6236(lines 6236 6239) no Hoare annotation was computed. [2018-12-02 04:38:47,303 INFO L451 ceAbstractionStarter]: At program point ldv_set_addENTRY(lines 6230 6253) the Hoare annotation is: true [2018-12-02 04:38:47,303 INFO L448 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 5565 5571) no Hoare annotation was computed. [2018-12-02 04:38:47,303 INFO L448 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 5565 5571) no Hoare annotation was computed. [2018-12-02 04:38:47,303 INFO L451 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 5565 5571) the Hoare annotation is: true [2018-12-02 04:38:47,303 INFO L451 ceAbstractionStarter]: At program point ldv_initializeENTRY(lines 6369 6375) the Hoare annotation is: true [2018-12-02 04:38:47,303 INFO L448 ceAbstractionStarter]: For program point ldv_initializeFINAL(lines 6369 6375) no Hoare annotation was computed. [2018-12-02 04:38:47,304 INFO L448 ceAbstractionStarter]: For program point ldv_initializeEXIT(lines 6369 6375) no Hoare annotation was computed. [2018-12-02 04:38:47,304 INFO L448 ceAbstractionStarter]: For program point external_allocFINAL(lines 6505 6507) no Hoare annotation was computed. [2018-12-02 04:38:47,304 INFO L448 ceAbstractionStarter]: For program point external_allocEXIT(lines 6505 6507) no Hoare annotation was computed. [2018-12-02 04:38:47,304 INFO L451 ceAbstractionStarter]: At program point external_allocENTRY(lines 6505 6507) the Hoare annotation is: true [2018-12-02 04:38:47,304 INFO L448 ceAbstractionStarter]: For program point usb_deregisterEXIT(lines 6471 6473) no Hoare annotation was computed. [2018-12-02 04:38:47,304 INFO L448 ceAbstractionStarter]: For program point usb_deregisterFINAL(lines 6471 6473) no Hoare annotation was computed. [2018-12-02 04:38:47,304 INFO L451 ceAbstractionStarter]: At program point usb_deregisterENTRY(lines 6471 6473) the Hoare annotation is: true [2018-12-02 04:38:47,304 INFO L451 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:38:47,304 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:38:47,304 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:38:47,304 INFO L451 ceAbstractionStarter]: At program point usbnet_probeENTRY(lines 6490 6492) the Hoare annotation is: true [2018-12-02 04:38:47,304 INFO L448 ceAbstractionStarter]: For program point usbnet_probeFINAL(lines 6490 6492) no Hoare annotation was computed. [2018-12-02 04:38:47,304 INFO L448 ceAbstractionStarter]: For program point usbnet_probeEXIT(lines 6490 6492) no Hoare annotation was computed. [2018-12-02 04:38:47,305 INFO L448 ceAbstractionStarter]: For program point L5887(lines 5887 5890) no Hoare annotation was computed. [2018-12-02 04:38:47,305 INFO L448 ceAbstractionStarter]: For program point cx82310_tx_fixupEXIT(lines 5872 5898) no Hoare annotation was computed. [2018-12-02 04:38:47,305 INFO L451 ceAbstractionStarter]: At program point L5883(line 5883) the Hoare annotation is: true [2018-12-02 04:38:47,305 INFO L448 ceAbstractionStarter]: For program point L5882(lines 5882 5892) no Hoare annotation was computed. [2018-12-02 04:38:47,305 INFO L448 ceAbstractionStarter]: For program point L5883-1(line 5883) no Hoare annotation was computed. [2018-12-02 04:38:47,305 INFO L451 ceAbstractionStarter]: At program point L5885(line 5885) the Hoare annotation is: true [2018-12-02 04:38:47,305 INFO L448 ceAbstractionStarter]: For program point L5885-1(line 5885) no Hoare annotation was computed. [2018-12-02 04:38:47,305 INFO L451 ceAbstractionStarter]: At program point L5881(line 5881) the Hoare annotation is: true [2018-12-02 04:38:47,305 INFO L448 ceAbstractionStarter]: For program point L5881-1(line 5881) no Hoare annotation was computed. [2018-12-02 04:38:47,305 INFO L451 ceAbstractionStarter]: At program point L5882-2(lines 5882 5892) the Hoare annotation is: true [2018-12-02 04:38:47,305 INFO L448 ceAbstractionStarter]: For program point cx82310_tx_fixupFINAL(lines 5872 5898) no Hoare annotation was computed. [2018-12-02 04:38:47,305 INFO L448 ceAbstractionStarter]: For program point L5893(line 5893) no Hoare annotation was computed. [2018-12-02 04:38:47,305 INFO L451 ceAbstractionStarter]: At program point cx82310_tx_fixupENTRY(lines 5872 5898) the Hoare annotation is: true [2018-12-02 04:38:47,305 INFO L451 ceAbstractionStarter]: At program point ldv_initialize_driver_info_2ENTRY(lines 5939 5953) the Hoare annotation is: true [2018-12-02 04:38:47,306 INFO L448 ceAbstractionStarter]: For program point ldv_initialize_driver_info_2EXIT(lines 5939 5953) no Hoare annotation was computed. [2018-12-02 04:38:47,306 INFO L451 ceAbstractionStarter]: At program point L5947(line 5947) the Hoare annotation is: true [2018-12-02 04:38:47,306 INFO L448 ceAbstractionStarter]: For program point L5947-1(line 5947) no Hoare annotation was computed. [2018-12-02 04:38:47,306 INFO L451 ceAbstractionStarter]: At program point L5949(line 5949) the Hoare annotation is: true [2018-12-02 04:38:47,306 INFO L448 ceAbstractionStarter]: For program point L5949-1(line 5949) no Hoare annotation was computed. [2018-12-02 04:38:47,306 INFO L451 ceAbstractionStarter]: At program point L5945(line 5945) the Hoare annotation is: true [2018-12-02 04:38:47,306 INFO L448 ceAbstractionStarter]: For program point L5945-1(line 5945) no Hoare annotation was computed. [2018-12-02 04:38:47,306 INFO L448 ceAbstractionStarter]: For program point ldv_initialize_driver_info_2FINAL(lines 5939 5953) no Hoare annotation was computed. [2018-12-02 04:38:47,306 INFO L451 ceAbstractionStarter]: At program point usbnet_disconnectENTRY(lines 6482 6484) the Hoare annotation is: true [2018-12-02 04:38:47,306 INFO L448 ceAbstractionStarter]: For program point usbnet_disconnectFINAL(lines 6482 6484) no Hoare annotation was computed. [2018-12-02 04:38:47,306 INFO L448 ceAbstractionStarter]: For program point usbnet_disconnectEXIT(lines 6482 6484) no Hoare annotation was computed. [2018-12-02 04:38:47,306 INFO L448 ceAbstractionStarter]: For program point skb_headroomFINAL(lines 5485 5490) no Hoare annotation was computed. [2018-12-02 04:38:47,306 INFO L448 ceAbstractionStarter]: For program point skb_headroomEXIT(lines 5485 5490) no Hoare annotation was computed. [2018-12-02 04:38:47,307 INFO L451 ceAbstractionStarter]: At program point skb_headroomENTRY(lines 5485 5490) the Hoare annotation is: true [2018-12-02 04:38:47,307 INFO L448 ceAbstractionStarter]: For program point ldv_set_is_emptyEXIT(lines 6311 6316) no Hoare annotation was computed. [2018-12-02 04:38:47,307 INFO L451 ceAbstractionStarter]: At program point ldv_set_is_emptyENTRY(lines 6311 6316) the Hoare annotation is: true [2018-12-02 04:38:47,307 INFO L448 ceAbstractionStarter]: For program point ldv_set_is_emptyFINAL(lines 6311 6316) no Hoare annotation was computed. [2018-12-02 04:38:47,307 INFO L448 ceAbstractionStarter]: For program point skb_pushFINAL(lines 6457 6459) no Hoare annotation was computed. [2018-12-02 04:38:47,307 INFO L451 ceAbstractionStarter]: At program point L6458(line 6458) the Hoare annotation is: true [2018-12-02 04:38:47,307 INFO L451 ceAbstractionStarter]: At program point skb_pushENTRY(lines 6457 6459) the Hoare annotation is: true [2018-12-02 04:38:47,307 INFO L448 ceAbstractionStarter]: For program point L6458-1(line 6458) no Hoare annotation was computed. [2018-12-02 04:38:47,307 INFO L448 ceAbstractionStarter]: For program point skb_pushEXIT(lines 6457 6459) no Hoare annotation was computed. [2018-12-02 04:38:47,307 INFO L451 ceAbstractionStarter]: At program point usb_register_driverENTRY(lines 6475 6477) the Hoare annotation is: true [2018-12-02 04:38:47,307 INFO L448 ceAbstractionStarter]: For program point usb_register_driverFINAL(lines 6475 6477) no Hoare annotation was computed. [2018-12-02 04:38:47,307 INFO L448 ceAbstractionStarter]: For program point usb_register_driverEXIT(lines 6475 6477) no Hoare annotation was computed. [2018-12-02 04:38:47,307 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-12-02 04:38:47,308 INFO L451 ceAbstractionStarter]: At program point L-1-3(line -1) the Hoare annotation is: true [2018-12-02 04:38:47,308 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:38:47,308 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:38:47,308 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:38:47,308 INFO L451 ceAbstractionStarter]: At program point __create_pipeENTRY(lines 5613 5618) the Hoare annotation is: true [2018-12-02 04:38:47,308 INFO L448 ceAbstractionStarter]: For program point __create_pipeFINAL(lines 5613 5618) no Hoare annotation was computed. [2018-12-02 04:38:47,308 INFO L448 ceAbstractionStarter]: For program point __create_pipeEXIT(lines 5613 5618) no Hoare annotation was computed. [2018-12-02 04:38:47,308 INFO L448 ceAbstractionStarter]: For program point usbnet_suspendFINAL(lines 6501 6503) no Hoare annotation was computed. [2018-12-02 04:38:47,308 INFO L451 ceAbstractionStarter]: At program point usbnet_suspendENTRY(lines 6501 6503) the Hoare annotation is: true [2018-12-02 04:38:47,308 INFO L448 ceAbstractionStarter]: For program point usbnet_suspendEXIT(lines 6501 6503) no Hoare annotation was computed. [2018-12-02 04:38:47,308 INFO L451 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 5500 5516) the Hoare annotation is: true [2018-12-02 04:38:47,308 INFO L448 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 5500 5516) no Hoare annotation was computed. [2018-12-02 04:38:47,308 INFO L448 ceAbstractionStarter]: For program point L5507(lines 5507 5514) no Hoare annotation was computed. [2018-12-02 04:38:47,308 INFO L448 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 5500 5516) no Hoare annotation was computed. [2018-12-02 04:38:47,309 INFO L451 ceAbstractionStarter]: At program point L5958(line 5958) the Hoare annotation is: true [2018-12-02 04:38:47,309 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1EXIT(lines 5954 5962) no Hoare annotation was computed. [2018-12-02 04:38:47,309 INFO L448 ceAbstractionStarter]: For program point L5958-1(line 5958) no Hoare annotation was computed. [2018-12-02 04:38:47,309 INFO L451 ceAbstractionStarter]: At program point ldv_usb_driver_1ENTRY(lines 5954 5962) the Hoare annotation is: true [2018-12-02 04:38:47,309 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1FINAL(lines 5954 5962) no Hoare annotation was computed. [2018-12-02 04:38:47,309 INFO L448 ceAbstractionStarter]: For program point skb_trimEXIT(lines 6464 6466) no Hoare annotation was computed. [2018-12-02 04:38:47,309 INFO L451 ceAbstractionStarter]: At program point skb_trimENTRY(lines 6464 6466) the Hoare annotation is: true [2018-12-02 04:38:47,309 INFO L448 ceAbstractionStarter]: For program point skb_trimFINAL(lines 6464 6466) no Hoare annotation was computed. [2018-12-02 04:38:47,309 INFO L448 ceAbstractionStarter]: For program point L5820-1(line 5820) no Hoare annotation was computed. [2018-12-02 04:38:47,309 INFO L451 ceAbstractionStarter]: At program point L5853(line 5853) the Hoare annotation is: true [2018-12-02 04:38:47,309 INFO L451 ceAbstractionStarter]: At program point L5820(line 5820) the Hoare annotation is: true [2018-12-02 04:38:47,309 INFO L448 ceAbstractionStarter]: For program point L5853-1(line 5853) no Hoare annotation was computed. [2018-12-02 04:38:47,309 INFO L448 ceAbstractionStarter]: For program point cx82310_rx_fixupEXIT(lines 5793 5871) no Hoare annotation was computed. [2018-12-02 04:38:47,310 INFO L451 ceAbstractionStarter]: At program point L5849(line 5849) the Hoare annotation is: true [2018-12-02 04:38:47,310 INFO L448 ceAbstractionStarter]: For program point L5849-1(line 5849) no Hoare annotation was computed. [2018-12-02 04:38:47,310 INFO L448 ceAbstractionStarter]: For program point L5808-1(line 5808) no Hoare annotation was computed. [2018-12-02 04:38:47,310 INFO L451 ceAbstractionStarter]: At program point L5808(line 5808) the Hoare annotation is: true [2018-12-02 04:38:47,310 INFO L451 ceAbstractionStarter]: At program point cx82310_rx_fixupENTRY(lines 5793 5871) the Hoare annotation is: true [2018-12-02 04:38:47,310 INFO L448 ceAbstractionStarter]: For program point L5837(lines 5837 5842) no Hoare annotation was computed. [2018-12-02 04:38:47,310 INFO L448 ceAbstractionStarter]: For program point L5862(line 5862) no Hoare annotation was computed. [2018-12-02 04:38:47,310 INFO L451 ceAbstractionStarter]: At program point L5833(line 5833) the Hoare annotation is: true [2018-12-02 04:38:47,310 INFO L451 ceAbstractionStarter]: At program point L5858(line 5858) the Hoare annotation is: true [2018-12-02 04:38:47,310 INFO L448 ceAbstractionStarter]: For program point L5854(lines 5854 5857) no Hoare annotation was computed. [2018-12-02 04:38:47,310 INFO L448 ceAbstractionStarter]: For program point L5858-1(line 5858) no Hoare annotation was computed. [2018-12-02 04:38:47,310 INFO L448 ceAbstractionStarter]: For program point cx82310_rx_fixupFINAL(lines 5793 5871) no Hoare annotation was computed. [2018-12-02 04:38:47,311 INFO L451 ceAbstractionStarter]: At program point L5817(lines 5817 5818) the Hoare annotation is: true [2018-12-02 04:38:47,311 INFO L448 ceAbstractionStarter]: For program point L5817-1(lines 5817 5818) no Hoare annotation was computed. [2018-12-02 04:38:47,311 INFO L451 ceAbstractionStarter]: At program point L5813(line 5813) the Hoare annotation is: true [2018-12-02 04:38:47,311 INFO L448 ceAbstractionStarter]: For program point L5813-1(line 5813) no Hoare annotation was computed. [2018-12-02 04:38:47,311 INFO L448 ceAbstractionStarter]: For program point L5809(lines 5809 5812) no Hoare annotation was computed. [2018-12-02 04:38:47,311 INFO L451 ceAbstractionStarter]: At program point L5863(lines 5805 5870) the Hoare annotation is: true [2018-12-02 04:38:47,311 INFO L448 ceAbstractionStarter]: For program point L5822(lines 5822 5825) no Hoare annotation was computed. [2018-12-02 04:38:47,311 INFO L451 ceAbstractionStarter]: At program point L5847(lines 5847 5848) the Hoare annotation is: true [2018-12-02 04:38:47,311 INFO L448 ceAbstractionStarter]: For program point L5847-1(lines 5847 5848) no Hoare annotation was computed. [2018-12-02 04:38:47,311 INFO L448 ceAbstractionStarter]: For program point L5843(lines 5843 5852) no Hoare annotation was computed. [2018-12-02 04:38:47,311 INFO L448 ceAbstractionStarter]: For program point L5806(lines 5806 5827) no Hoare annotation was computed. [2018-12-02 04:38:47,311 INFO L451 ceAbstractionStarter]: At program point L5868(lines 5805 5870) the Hoare annotation is: true [2018-12-02 04:38:47,311 INFO L451 ceAbstractionStarter]: At program point L5831(line 5831) the Hoare annotation is: true [2018-12-02 04:38:47,311 INFO L448 ceAbstractionStarter]: For program point L5831-1(line 5831) no Hoare annotation was computed. [2018-12-02 04:38:47,311 INFO L448 ceAbstractionStarter]: For program point L5864(lines 5864 5867) no Hoare annotation was computed. [2018-12-02 04:38:47,312 INFO L448 ceAbstractionStarter]: For program point L5860-1(line 5860) no Hoare annotation was computed. [2018-12-02 04:38:47,312 INFO L451 ceAbstractionStarter]: At program point L5860(line 5860) the Hoare annotation is: true [2018-12-02 04:38:47,312 INFO L451 ceAbstractionStarter]: At program point L5819(line 5819) the Hoare annotation is: true [2018-12-02 04:38:47,312 INFO L448 ceAbstractionStarter]: For program point L5819-1(line 5819) no Hoare annotation was computed. [2018-12-02 04:38:47,312 INFO L451 ceAbstractionStarter]: At program point L5815(line 5815) the Hoare annotation is: true [2018-12-02 04:38:47,312 INFO L448 ceAbstractionStarter]: For program point L5815-1(line 5815) no Hoare annotation was computed. [2018-12-02 04:38:47,312 INFO L448 ceAbstractionStarter]: For program point L5832-2(lines 5832 5836) no Hoare annotation was computed. [2018-12-02 04:38:47,312 INFO L451 ceAbstractionStarter]: At program point L5865(lines 5805 5870) the Hoare annotation is: true [2018-12-02 04:38:47,312 INFO L448 ceAbstractionStarter]: For program point L5832(line 5832) no Hoare annotation was computed. [2018-12-02 04:38:47,312 INFO L451 ceAbstractionStarter]: At program point L5861(line 5861) the Hoare annotation is: true [2018-12-02 04:38:47,312 INFO L451 ceAbstractionStarter]: At program point L5861-1(line 5861) the Hoare annotation is: true [2018-12-02 04:38:47,312 INFO L451 ceAbstractionStarter]: At program point L6191(line 6191) the Hoare annotation is: true [2018-12-02 04:38:47,312 INFO L448 ceAbstractionStarter]: For program point L6191-1(line 6191) no Hoare annotation was computed. [2018-12-02 04:38:47,313 INFO L448 ceAbstractionStarter]: For program point ldv_alloc_skb_12FINAL(lines 6187 6194) no Hoare annotation was computed. [2018-12-02 04:38:47,313 INFO L448 ceAbstractionStarter]: For program point ldv_alloc_skb_12EXIT(lines 6187 6194) no Hoare annotation was computed. [2018-12-02 04:38:47,313 INFO L451 ceAbstractionStarter]: At program point ldv_alloc_skb_12ENTRY(lines 6187 6194) the Hoare annotation is: true [2018-12-02 04:38:47,313 INFO L451 ceAbstractionStarter]: At program point ldv_skb_allocENTRY(lines 6354 6368) the Hoare annotation is: true [2018-12-02 04:38:47,313 INFO L448 ceAbstractionStarter]: For program point L6364-1(line 6364) no Hoare annotation was computed. [2018-12-02 04:38:47,313 INFO L451 ceAbstractionStarter]: At program point L6364(line 6364) the Hoare annotation is: true [2018-12-02 04:38:47,313 INFO L448 ceAbstractionStarter]: For program point ldv_skb_allocEXIT(lines 6354 6368) no Hoare annotation was computed. [2018-12-02 04:38:47,313 INFO L448 ceAbstractionStarter]: For program point L6359-1(line 6359) no Hoare annotation was computed. [2018-12-02 04:38:47,313 INFO L451 ceAbstractionStarter]: At program point L6359(line 6359) the Hoare annotation is: true [2018-12-02 04:38:47,313 INFO L448 ceAbstractionStarter]: For program point L6361(lines 6361 6366) no Hoare annotation was computed. [2018-12-02 04:38:47,313 INFO L448 ceAbstractionStarter]: For program point ldv_skb_allocFINAL(lines 6354 6368) no Hoare annotation was computed. [2018-12-02 04:38:47,313 INFO L448 ceAbstractionStarter]: For program point ldv_reset_resume_1FINAL(lines 6445 6447) no Hoare annotation was computed. [2018-12-02 04:38:47,313 INFO L448 ceAbstractionStarter]: For program point ldv_reset_resume_1EXIT(lines 6445 6447) no Hoare annotation was computed. [2018-12-02 04:38:47,313 INFO L451 ceAbstractionStarter]: At program point ldv_reset_resume_1ENTRY(lines 6445 6447) the Hoare annotation is: true [2018-12-02 04:38:47,314 INFO L448 ceAbstractionStarter]: For program point kfreeEXIT(lines 6509 6511) no Hoare annotation was computed. [2018-12-02 04:38:47,314 INFO L451 ceAbstractionStarter]: At program point kfreeENTRY(lines 6509 6511) the Hoare annotation is: true [2018-12-02 04:38:47,314 INFO L448 ceAbstractionStarter]: For program point kfreeFINAL(lines 6509 6511) no Hoare annotation was computed. [2018-12-02 04:38:47,314 INFO L448 ceAbstractionStarter]: For program point usbnet_get_endpointsFINAL(lines 6486 6488) no Hoare annotation was computed. [2018-12-02 04:38:47,314 INFO L451 ceAbstractionStarter]: At program point usbnet_get_endpointsENTRY(lines 6486 6488) the Hoare annotation is: true [2018-12-02 04:38:47,314 INFO L448 ceAbstractionStarter]: For program point usbnet_get_endpointsEXIT(lines 6486 6488) no Hoare annotation was computed. [2018-12-02 04:38:47,314 INFO L451 ceAbstractionStarter]: At program point L5919(line 5919) the Hoare annotation is: true [2018-12-02 04:38:47,314 INFO L448 ceAbstractionStarter]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2018-12-02 04:38:47,314 INFO L451 ceAbstractionStarter]: At program point cx82310_driver_initENTRY(lines 5915 5922) the Hoare annotation is: true [2018-12-02 04:38:47,314 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_initFINAL(lines 5915 5922) no Hoare annotation was computed. [2018-12-02 04:38:47,314 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_initEXIT(lines 5915 5922) no Hoare annotation was computed. [2018-12-02 04:38:47,314 INFO L451 ceAbstractionStarter]: At program point L6462(line 6462) the Hoare annotation is: true [2018-12-02 04:38:47,314 INFO L451 ceAbstractionStarter]: At program point skb_putENTRY(lines 6461 6463) the Hoare annotation is: true [2018-12-02 04:38:47,315 INFO L448 ceAbstractionStarter]: For program point skb_putFINAL(lines 6461 6463) no Hoare annotation was computed. [2018-12-02 04:38:47,315 INFO L448 ceAbstractionStarter]: For program point L6462-1(line 6462) no Hoare annotation was computed. [2018-12-02 04:38:47,315 INFO L448 ceAbstractionStarter]: For program point skb_putEXIT(lines 6461 6463) no Hoare annotation was computed. [2018-12-02 04:38:47,315 INFO L448 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 5558 5564) no Hoare annotation was computed. [2018-12-02 04:38:47,315 INFO L451 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 5558 5564) the Hoare annotation is: true [2018-12-02 04:38:47,315 INFO L448 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5562) no Hoare annotation was computed. [2018-12-02 04:38:47,315 INFO L448 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 5558 5564) no Hoare annotation was computed. [2018-12-02 04:38:47,315 INFO L448 ceAbstractionStarter]: For program point L5468-1(line 5468) no Hoare annotation was computed. [2018-12-02 04:38:47,315 INFO L451 ceAbstractionStarter]: At program point L5468(line 5468) the Hoare annotation is: true [2018-12-02 04:38:47,315 INFO L448 ceAbstractionStarter]: For program point kzallocEXIT(lines 5464 5471) no Hoare annotation was computed. [2018-12-02 04:38:47,315 INFO L451 ceAbstractionStarter]: At program point kzallocENTRY(lines 5464 5471) the Hoare annotation is: true [2018-12-02 04:38:47,315 INFO L448 ceAbstractionStarter]: For program point kzallocFINAL(lines 5464 5471) no Hoare annotation was computed. [2018-12-02 04:38:47,316 INFO L451 ceAbstractionStarter]: At program point skb_pullENTRY(lines 6453 6455) the Hoare annotation is: true [2018-12-02 04:38:47,316 INFO L448 ceAbstractionStarter]: For program point skb_pullFINAL(lines 6453 6455) no Hoare annotation was computed. [2018-12-02 04:38:47,316 INFO L451 ceAbstractionStarter]: At program point L6454(line 6454) the Hoare annotation is: true [2018-12-02 04:38:47,316 INFO L448 ceAbstractionStarter]: For program point skb_pullEXIT(lines 6453 6455) no Hoare annotation was computed. [2018-12-02 04:38:47,316 INFO L448 ceAbstractionStarter]: For program point L6454-1(line 6454) no Hoare annotation was computed. [2018-12-02 04:38:47,316 INFO L451 ceAbstractionStarter]: At program point kmallocENTRY(lines 5456 5463) the Hoare annotation is: true [2018-12-02 04:38:47,316 INFO L448 ceAbstractionStarter]: For program point kmallocFINAL(lines 5456 5463) no Hoare annotation was computed. [2018-12-02 04:38:47,316 INFO L448 ceAbstractionStarter]: For program point L5460-1(line 5460) no Hoare annotation was computed. [2018-12-02 04:38:47,316 INFO L448 ceAbstractionStarter]: For program point kmallocEXIT(lines 5456 5463) no Hoare annotation was computed. [2018-12-02 04:38:47,316 INFO L451 ceAbstractionStarter]: At program point L5460(line 5460) the Hoare annotation is: true [2018-12-02 04:38:47,316 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_exitEXIT(lines 5923 5929) no Hoare annotation was computed. [2018-12-02 04:38:47,316 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_exitFINAL(lines 5923 5929) no Hoare annotation was computed. [2018-12-02 04:38:47,316 INFO L451 ceAbstractionStarter]: At program point cx82310_driver_exitENTRY(lines 5923 5929) the Hoare annotation is: true [2018-12-02 04:38:47,316 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_15FINAL(lines 6209 6216) no Hoare annotation was computed. [2018-12-02 04:38:47,317 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_15EXIT(lines 6209 6216) no Hoare annotation was computed. [2018-12-02 04:38:47,317 INFO L451 ceAbstractionStarter]: At program point ldv_usb_deregister_15ENTRY(lines 6209 6216) the Hoare annotation is: true [2018-12-02 04:38:47,317 INFO L448 ceAbstractionStarter]: For program point L6212-1(line 6212) no Hoare annotation was computed. [2018-12-02 04:38:47,317 INFO L451 ceAbstractionStarter]: At program point L6212(line 6212) the Hoare annotation is: true [2018-12-02 04:38:47,317 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_14FINAL(lines 6195 6208) no Hoare annotation was computed. [2018-12-02 04:38:47,317 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_14EXIT(lines 6195 6208) no Hoare annotation was computed. [2018-12-02 04:38:47,317 INFO L451 ceAbstractionStarter]: At program point L6205(line 6205) the Hoare annotation is: true [2018-12-02 04:38:47,317 INFO L448 ceAbstractionStarter]: For program point L6205-1(line 6205) no Hoare annotation was computed. [2018-12-02 04:38:47,317 INFO L451 ceAbstractionStarter]: At program point ldv_usb_register_driver_14ENTRY(lines 6195 6208) the Hoare annotation is: true [2018-12-02 04:38:47,317 INFO L451 ceAbstractionStarter]: At program point L6201(line 6201) the Hoare annotation is: true [2018-12-02 04:38:47,317 INFO L448 ceAbstractionStarter]: For program point L6201-1(line 6201) no Hoare annotation was computed. [2018-12-02 04:38:47,317 INFO L448 ceAbstractionStarter]: For program point L5692(lines 5692 5698) no Hoare annotation was computed. [2018-12-02 04:38:47,317 INFO L451 ceAbstractionStarter]: At program point L5688(lines 5668 5720) the Hoare annotation is: true [2018-12-02 04:38:47,317 INFO L451 ceAbstractionStarter]: At program point L5717(line 5717) the Hoare annotation is: true [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5717-1(line 5717) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5713(lines 5713 5719) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point cx82310_cmdEXIT(lines 5625 5726) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5672(line 5672) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5668(lines 5668 5721) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L451 ceAbstractionStarter]: At program point L5722(lines 5644 5725) the Hoare annotation is: true [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5660(line 5660) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5656-2(line 5656) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5656(line 5656) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5681(lines 5681 5684) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5648(lines 5648 5651) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5706(lines 5706 5712) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L451 ceAbstractionStarter]: At program point L5673(lines 5673 5674) the Hoare annotation is: true [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5673-1(lines 5673 5674) no Hoare annotation was computed. [2018-12-02 04:38:47,318 INFO L448 ceAbstractionStarter]: For program point L5723(line 5723) no Hoare annotation was computed. [2018-12-02 04:38:47,319 INFO L451 ceAbstractionStarter]: At program point L5661(line 5661) the Hoare annotation is: true [2018-12-02 04:38:47,319 INFO L448 ceAbstractionStarter]: For program point L5661-1(line 5661) no Hoare annotation was computed. [2018-12-02 04:38:47,319 INFO L448 ceAbstractionStarter]: For program point cx82310_cmdFINAL(lines 5625 5726) no Hoare annotation was computed. [2018-12-02 04:38:47,319 INFO L451 ceAbstractionStarter]: At program point L5686(lines 5668 5720) the Hoare annotation is: true [2018-12-02 04:38:47,319 INFO L451 ceAbstractionStarter]: At program point L5657(line 5657) the Hoare annotation is: true [2018-12-02 04:38:47,319 INFO L448 ceAbstractionStarter]: For program point L5657-1(line 5657) no Hoare annotation was computed. [2018-12-02 04:38:47,319 INFO L451 ceAbstractionStarter]: At program point L5653-2(lines 5653 5659) the Hoare annotation is: true [2018-12-02 04:38:47,319 INFO L448 ceAbstractionStarter]: For program point L5653(lines 5653 5659) no Hoare annotation was computed. [2018-12-02 04:38:47,319 INFO L451 ceAbstractionStarter]: At program point cx82310_cmdENTRY(lines 5625 5726) the Hoare annotation is: true [2018-12-02 04:38:47,319 INFO L448 ceAbstractionStarter]: For program point L5699(lines 5699 5705) no Hoare annotation was computed. [2018-12-02 04:38:47,319 INFO L448 ceAbstractionStarter]: For program point L5662(lines 5662 5667) no Hoare annotation was computed. [2018-12-02 04:38:47,319 INFO L451 ceAbstractionStarter]: At program point L5691(lines 5668 5720) the Hoare annotation is: true [2018-12-02 04:38:47,319 INFO L448 ceAbstractionStarter]: For program point L5716-2(line 5716) no Hoare annotation was computed. [2018-12-02 04:38:47,319 INFO L448 ceAbstractionStarter]: For program point L5716(line 5716) no Hoare annotation was computed. [2018-12-02 04:38:47,320 INFO L451 ceAbstractionStarter]: At program point L5646(line 5646) the Hoare annotation is: true [2018-12-02 04:38:47,320 INFO L448 ceAbstractionStarter]: For program point L5675(lines 5675 5680) no Hoare annotation was computed. [2018-12-02 04:38:47,320 INFO L448 ceAbstractionStarter]: For program point L5646-1(line 5646) no Hoare annotation was computed. [2018-12-02 04:38:47,320 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:38:47,320 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-12-02 04:38:47,320 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:38:47,320 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:38:47,320 INFO L448 ceAbstractionStarter]: For program point usbnet_skb_returnFINAL(lines 6497 6499) no Hoare annotation was computed. [2018-12-02 04:38:47,320 INFO L448 ceAbstractionStarter]: For program point usbnet_skb_returnEXIT(lines 6497 6499) no Hoare annotation was computed. [2018-12-02 04:38:47,320 INFO L451 ceAbstractionStarter]: At program point usbnet_skb_returnENTRY(lines 6497 6499) the Hoare annotation is: true [2018-12-02 04:38:47,320 INFO L448 ceAbstractionStarter]: For program point cx82310_bindEXIT(lines 5727 5785) no Hoare annotation was computed. [2018-12-02 04:38:47,320 INFO L448 ceAbstractionStarter]: For program point L5748(lines 5748 5751) no Hoare annotation was computed. [2018-12-02 04:38:47,320 INFO L451 ceAbstractionStarter]: At program point L5775(line 5775) the Hoare annotation is: true [2018-12-02 04:38:47,320 INFO L448 ceAbstractionStarter]: For program point L5775-1(line 5775) no Hoare annotation was computed. [2018-12-02 04:38:47,321 INFO L451 ceAbstractionStarter]: At program point L5777(lines 5735 5784) the Hoare annotation is: true [2018-12-02 04:38:47,321 INFO L448 ceAbstractionStarter]: For program point L5738(lines 5738 5746) no Hoare annotation was computed. [2018-12-02 04:38:47,321 INFO L448 ceAbstractionStarter]: For program point L5740(lines 5740 5744) no Hoare annotation was computed. [2018-12-02 04:38:47,321 INFO L448 ceAbstractionStarter]: For program point cx82310_bindFINAL(lines 5727 5785) no Hoare annotation was computed. [2018-12-02 04:38:47,321 INFO L448 ceAbstractionStarter]: For program point L5769(lines 5769 5774) no Hoare annotation was computed. [2018-12-02 04:38:47,321 INFO L451 ceAbstractionStarter]: At program point L5738-2(lines 5738 5746) the Hoare annotation is: true [2018-12-02 04:38:47,321 INFO L451 ceAbstractionStarter]: At program point cx82310_bindENTRY(lines 5727 5785) the Hoare annotation is: true [2018-12-02 04:38:47,321 INFO L451 ceAbstractionStarter]: At program point L5761(line 5761) the Hoare annotation is: true [2018-12-02 04:38:47,321 INFO L448 ceAbstractionStarter]: For program point L5761-1(line 5761) no Hoare annotation was computed. [2018-12-02 04:38:47,321 INFO L451 ceAbstractionStarter]: At program point L5755(line 5755) the Hoare annotation is: true [2018-12-02 04:38:47,321 INFO L448 ceAbstractionStarter]: For program point L5755-1(line 5755) no Hoare annotation was computed. [2018-12-02 04:38:47,321 INFO L448 ceAbstractionStarter]: For program point L5757(lines 5757 5760) no Hoare annotation was computed. [2018-12-02 04:38:47,321 INFO L451 ceAbstractionStarter]: At program point L5782(line 5782) the Hoare annotation is: true [2018-12-02 04:38:47,321 INFO L448 ceAbstractionStarter]: For program point L5747(line 5747) no Hoare annotation was computed. [2018-12-02 04:38:47,322 INFO L448 ceAbstractionStarter]: For program point L5782-1(line 5782) no Hoare annotation was computed. [2018-12-02 04:38:47,322 INFO L448 ceAbstractionStarter]: For program point L5776(lines 5776 5779) no Hoare annotation was computed. [2018-12-02 04:38:47,322 INFO L448 ceAbstractionStarter]: For program point L5768-1(line 5768) no Hoare annotation was computed. [2018-12-02 04:38:47,322 INFO L451 ceAbstractionStarter]: At program point L5737(line 5737) the Hoare annotation is: true [2018-12-02 04:38:47,322 INFO L448 ceAbstractionStarter]: For program point L5737-1(line 5737) no Hoare annotation was computed. [2018-12-02 04:38:47,322 INFO L451 ceAbstractionStarter]: At program point L5768(line 5768) the Hoare annotation is: true [2018-12-02 04:38:47,322 INFO L448 ceAbstractionStarter]: For program point L5762(lines 5762 5767) no Hoare annotation was computed. [2018-12-02 04:38:47,322 INFO L448 ceAbstractionStarter]: For program point usb_stringFINAL(lines 6479 6481) no Hoare annotation was computed. [2018-12-02 04:38:47,322 INFO L451 ceAbstractionStarter]: At program point usb_stringENTRY(lines 6479 6481) the Hoare annotation is: true [2018-12-02 04:38:47,322 INFO L448 ceAbstractionStarter]: For program point usb_stringEXIT(lines 6479 6481) no Hoare annotation was computed. [2018-12-02 04:38:47,322 INFO L451 ceAbstractionStarter]: At program point cx82310_unbindENTRY(lines 5786 5792) the Hoare annotation is: true [2018-12-02 04:38:47,322 INFO L448 ceAbstractionStarter]: For program point cx82310_unbindFINAL(lines 5786 5792) no Hoare annotation was computed. [2018-12-02 04:38:47,322 INFO L451 ceAbstractionStarter]: At program point L5789(line 5789) the Hoare annotation is: true [2018-12-02 04:38:47,322 INFO L448 ceAbstractionStarter]: For program point L5789-1(line 5789) no Hoare annotation was computed. [2018-12-02 04:38:47,322 INFO L448 ceAbstractionStarter]: For program point cx82310_unbindEXIT(lines 5786 5792) no Hoare annotation was computed. [2018-12-02 04:38:47,323 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:38:47,323 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:38:47,323 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:38:47,323 INFO L448 ceAbstractionStarter]: For program point __dev_kfree_skb_anyFINAL(lines 6433 6435) no Hoare annotation was computed. [2018-12-02 04:38:47,323 INFO L451 ceAbstractionStarter]: At program point __dev_kfree_skb_anyENTRY(lines 6433 6435) the Hoare annotation is: true [2018-12-02 04:38:47,323 INFO L448 ceAbstractionStarter]: For program point __dev_kfree_skb_anyEXIT(lines 6433 6435) no Hoare annotation was computed. [2018-12-02 04:38:47,323 INFO L451 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 6421 6432) the Hoare annotation is: true [2018-12-02 04:38:47,323 INFO L448 ceAbstractionStarter]: For program point L6426(lines 6426 6429) no Hoare annotation was computed. [2018-12-02 04:38:47,323 INFO L448 ceAbstractionStarter]: For program point L6428-1(lines 6421 6432) no Hoare annotation was computed. [2018-12-02 04:38:47,323 INFO L451 ceAbstractionStarter]: At program point L6428(line 6428) the Hoare annotation is: true [2018-12-02 04:38:47,323 INFO L448 ceAbstractionStarter]: For program point L6425-1(line 6425) no Hoare annotation was computed. [2018-12-02 04:38:47,323 INFO L451 ceAbstractionStarter]: At program point L6425(line 6425) the Hoare annotation is: true [2018-12-02 04:38:47,323 INFO L448 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 6421 6432) no Hoare annotation was computed. [2018-12-02 04:38:47,323 INFO L448 ceAbstractionStarter]: For program point skb_copy_expandFINAL(lines 6449 6451) no Hoare annotation was computed. [2018-12-02 04:38:47,323 INFO L448 ceAbstractionStarter]: For program point L6450-1(line 6450) no Hoare annotation was computed. [2018-12-02 04:38:47,324 INFO L451 ceAbstractionStarter]: At program point skb_copy_expandENTRY(lines 6449 6451) the Hoare annotation is: true [2018-12-02 04:38:47,324 INFO L451 ceAbstractionStarter]: At program point L6450(line 6450) the Hoare annotation is: true [2018-12-02 04:38:47,324 INFO L448 ceAbstractionStarter]: For program point skb_copy_expandEXIT(lines 6449 6451) no Hoare annotation was computed. [2018-12-02 04:38:47,324 INFO L451 ceAbstractionStarter]: At program point L5527(line 5527) the Hoare annotation is: true [2018-12-02 04:38:47,324 INFO L448 ceAbstractionStarter]: For program point L5527-1(line 5527) no Hoare annotation was computed. [2018-12-02 04:38:47,324 INFO L448 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 5517 5533) no Hoare annotation was computed. [2018-12-02 04:38:47,324 INFO L451 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 5517 5533) the Hoare annotation is: true [2018-12-02 04:38:47,324 INFO L448 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 5517 5533) no Hoare annotation was computed. [2018-12-02 04:38:47,324 INFO L448 ceAbstractionStarter]: For program point L5524(lines 5524 5531) no Hoare annotation was computed. [2018-12-02 04:38:47,324 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:38:47,324 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-12-02 04:38:47,324 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:38:47,324 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:38:47,324 INFO L451 ceAbstractionStarter]: At program point dev_kfree_skb_anyENTRY(lines 5598 5604) the Hoare annotation is: true [2018-12-02 04:38:47,324 INFO L451 ceAbstractionStarter]: At program point L5601(line 5601) the Hoare annotation is: true [2018-12-02 04:38:47,325 INFO L448 ceAbstractionStarter]: For program point dev_kfree_skb_anyEXIT(lines 5598 5604) no Hoare annotation was computed. [2018-12-02 04:38:47,325 INFO L448 ceAbstractionStarter]: For program point dev_kfree_skb_anyFINAL(lines 5598 5604) no Hoare annotation was computed. [2018-12-02 04:38:47,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:38:47 BoogieIcfgContainer [2018-12-02 04:38:47,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:38:47,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:38:47,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:38:47,331 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:38:47,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:38:46" (3/4) ... [2018-12-02 04:38:47,335 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:38:47,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_resume [2018-12-02 04:38:47,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2018-12-02 04:38:47,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 04:38:47,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_init [2018-12-02 04:38:47,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_bulk_msg [2018-12-02 04:38:47,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_add [2018-12-02 04:38:47,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_deregister [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_probe [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_tx_fixup [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize_driver_info_2 [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_headroom [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_is_empty [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_register_driver [2018-12-02 04:38:47,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_suspend [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_driver_1 [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_rx_fixup [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_alloc_skb_12 [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_alloc [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_reset_resume_1 [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_get_endpoints [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_driver_init [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-12-02 04:38:47,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_driver_exit [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_deregister_15 [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_register_driver_14 [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_cmd [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_skb_return [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_bind [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_string [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_unbind [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __dev_kfree_skb_any [2018-12-02 04:38:47,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-12-02 04:38:47,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_copy_expand [2018-12-02 04:38:47,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-12-02 04:38:47,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2018-12-02 04:38:47,355 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 155 nodes and edges [2018-12-02 04:38:47,356 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2018-12-02 04:38:47,357 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 04:38:47,357 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 04:38:47,358 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 04:38:47,358 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 04:38:47,436 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d47c766b-d7ab-4659-b353-e23badb704ea/bin-2019/utaipan/witness.graphml [2018-12-02 04:38:47,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:38:47,437 INFO L168 Benchmark]: Toolchain (without parser) took 3378.45 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 248.0 MB). Free memory was 932.6 MB in the beginning and 880.7 MB in the end (delta: 51.9 MB). Peak memory consumption was 299.9 MB. Max. memory is 11.5 GB. [2018-12-02 04:38:47,438 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-02 04:38:47,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 102.6 MB. Max. memory is 11.5 GB. [2018-12-02 04:38:47,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.98 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. [2018-12-02 04:38:47,438 INFO L168 Benchmark]: Boogie Preprocessor took 76.06 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:38:47,439 INFO L168 Benchmark]: RCFGBuilder took 1823.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.3 MB). Peak memory consumption was 266.0 MB. Max. memory is 11.5 GB. [2018-12-02 04:38:47,439 INFO L168 Benchmark]: TraceAbstraction took 492.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 908.6 MB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. [2018-12-02 04:38:47,439 INFO L168 Benchmark]: Witness Printer took 105.10 ms. Allocated memory is still 1.3 GB. Free memory was 908.6 MB in the beginning and 880.7 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-12-02 04:38:47,440 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 841.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 102.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.98 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 76.06 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1823.79 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.3 MB). Peak memory consumption was 266.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 492.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 908.6 MB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. * Witness Printer took 105.10 ms. Allocated memory is still 1.3 GB. Free memory was 908.6 MB in the beginning and 880.7 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 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: 5735]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5668]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5668]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5644]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5668]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6235]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5805]: 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...