./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko_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_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/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 df5576f7e7a8cefe027103c7c7ef877e0a55917f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/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 df5576f7e7a8cefe027103c7c7ef877e0a55917f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:01:55,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:01:55,607 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:01:55,612 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:01:55,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:01:55,613 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:01:55,614 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:01:55,615 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:01:55,616 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:01:55,616 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:01:55,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:01:55,617 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:01:55,617 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:01:55,618 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:01:55,618 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:01:55,619 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:01:55,619 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:01:55,620 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:01:55,621 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:01:55,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:01:55,622 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:01:55,623 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:01:55,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:01:55,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:01:55,624 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:01:55,625 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:01:55,625 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:01:55,626 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:01:55,626 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:01:55,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:01:55,627 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:01:55,627 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:01:55,628 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:01:55,628 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:01:55,628 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:01:55,629 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:01:55,629 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-12-09 05:01:55,636 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:01:55,636 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:01:55,636 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:01:55,636 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 05:01:55,637 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 05:01:55,637 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 05:01:55,637 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 05:01:55,637 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 05:01:55,637 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 05:01:55,637 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 05:01:55,637 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-09 05:01:55,637 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 05:01:55,638 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 05:01:55,638 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 05:01:55,638 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:01:55,638 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 05:01:55,638 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:01:55,638 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:01:55,639 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:01:55,639 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:01:55,639 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:01:55,639 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:01:55,639 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:01:55,639 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 05:01:55,639 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:01:55,639 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 05:01:55,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:01:55,640 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:01:55,640 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:01:55,640 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:01:55,640 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 05:01:55,640 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:01:55,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 05:01:55,640 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 05:01:55,641 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-12-09 05:01:55,641 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_4c21e6e7-e793-4651-ac43-cd99087ab80f/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 -> df5576f7e7a8cefe027103c7c7ef877e0a55917f [2018-12-09 05:01:55,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:01:55,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:01:55,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:01:55,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:01:55,666 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:01:55,666 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-09 05:01:55,701 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/data/622c9a3ac/ff64c264ea274e8896b8afd62ce5a956/FLAG07f23ffa0 [2018-12-09 05:01:56,215 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:01:56,216 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-09 05:01:56,231 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/data/622c9a3ac/ff64c264ea274e8896b8afd62ce5a956/FLAG07f23ffa0 [2018-12-09 05:01:56,736 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/data/622c9a3ac/ff64c264ea274e8896b8afd62ce5a956 [2018-12-09 05:01:56,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:01:56,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:01:56,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:01:56,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:01:56,742 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:01:56,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:01:56" (1/1) ... [2018-12-09 05:01:56,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288d849a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:56, skipping insertion in model container [2018-12-09 05:01:56,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:01:56" (1/1) ... [2018-12-09 05:01:56,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:01:56,792 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:01:57,455 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:01:57,475 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:01:57,595 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:01:57,745 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:01:57,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57 WrapperNode [2018-12-09 05:01:57,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:01:57,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:01:57,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:01:57,746 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:01:57,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57" (1/1) ... [2018-12-09 05:01:57,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57" (1/1) ... [2018-12-09 05:01:57,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:01:57,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:01:57,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:01:57,792 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:01:57,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57" (1/1) ... [2018-12-09 05:01:57,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57" (1/1) ... [2018-12-09 05:01:57,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57" (1/1) ... [2018-12-09 05:01:57,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57" (1/1) ... [2018-12-09 05:01:57,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57" (1/1) ... [2018-12-09 05:01:57,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57" (1/1) ... [2018-12-09 05:01:57,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57" (1/1) ... [2018-12-09 05:01:57,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:01:57,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:01:57,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:01:57,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:01:57,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/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 [2018-12-09 05:01:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2018-12-09 05:01:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2018-12-09 05:01:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-12-09 05:01:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-12-09 05:01:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-12-09 05:01:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2018-12-09 05:01:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start_xmit [2018-12-09 05:01:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start_xmit [2018-12-09 05:01:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2018-12-09 05:01:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2018-12-09 05:01:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-09 05:01:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2018-12-09 05:01:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2018-12-09 05:01:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-12-09 05:01:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2018-12-09 05:01:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 05:01:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-09 05:01:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-09 05:01:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2018-12-09 05:01:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2018-12-09 05:01:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-09 05:01:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-09 05:01:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 05:01:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-09 05:01:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-09 05:01:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-12-09 05:01:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2018-12-09 05:01:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure init_params_sja1000 [2018-12-09 05:01:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure init_params_sja1000 [2018-12-09 05:01:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2018-12-09 05:01:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2018-12-09 05:01:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2018-12-09 05:01:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2018-12-09 05:01:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2018-12-09 05:01:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2018-12-09 05:01:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-09 05:01:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-09 05:01:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2018-12-09 05:01:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2018-12-09 05:01:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2018-12-09 05:01:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2018-12-09 05:01:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-12-09 05:01:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-12-09 05:01:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2018-12-09 05:01:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2018-12-09 05:01:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-12-09 05:01:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-12-09 05:01:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2018-12-09 05:01:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2018-12-09 05:01:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-09 05:01:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-09 05:01:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2018-12-09 05:01:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2018-12-09 05:01:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 05:01:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2018-12-09 05:01:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2018-12-09 05:01:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2018-12-09 05:01:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2018-12-09 05:01:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2018-12-09 05:01:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2018-12-09 05:01:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-12-09 05:01:57,917 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-12-09 05:01:57,917 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-12-09 05:01:57,918 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-12-09 05:01:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-09 05:01:57,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-09 05:01:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-12-09 05:01:57,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-12-09 05:01:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2018-12-09 05:01:57,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2018-12-09 05:01:57,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 05:01:57,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 05:01:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-12-09 05:01:57,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-12-09 05:01:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2018-12-09 05:01:57,919 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2018-12-09 05:01:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2018-12-09 05:01:57,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2018-12-09 05:01:57,919 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2018-12-09 05:01:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2018-12-09 05:01:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-12-09 05:01:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-12-09 05:01:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 05:01:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 05:01:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-12-09 05:01:57,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-12-09 05:01:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 05:01:57,920 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-12-09 05:01:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-12-09 05:01:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2018-12-09 05:01:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2018-12-09 05:01:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2018-12-09 05:01:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2018-12-09 05:01:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2018-12-09 05:01:57,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2018-12-09 05:01:57,921 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2018-12-09 05:01:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2018-12-09 05:01:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2018-12-09 05:01:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2018-12-09 05:01:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_probe [2018-12-09 05:01:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_probe [2018-12-09 05:01:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2018-12-09 05:01:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2018-12-09 05:01:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 05:01:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_disconnect [2018-12-09 05:01:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_disconnect [2018-12-09 05:01:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2018-12-09 05:01:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2018-12-09 05:01:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-12-09 05:01:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2018-12-09 05:01:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_close [2018-12-09 05:01:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_close [2018-12-09 05:01:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-12-09 05:01:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2018-12-09 05:01:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2018-12-09 05:01:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2018-12-09 05:01:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2018-12-09 05:01:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2018-12-09 05:01:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2018-12-09 05:01:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2018-12-09 05:01:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-12-09 05:01:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-12-09 05:01:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 05:01:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-12-09 05:01:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-12-09 05:01:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_open [2018-12-09 05:01:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_open [2018-12-09 05:01:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 05:01:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-12-09 05:01:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2018-12-09 05:01:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2018-12-09 05:01:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2018-12-09 05:01:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-09 05:01:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-09 05:01:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2018-12-09 05:01:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2018-12-09 05:01:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-12-09 05:01:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-12-09 05:01:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-12-09 05:01:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-12-09 05:01:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2018-12-09 05:01:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2018-12-09 05:01:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-12-09 05:01:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2018-12-09 05:01:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-12-09 05:01:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-12-09 05:01:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-12-09 05:01:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-12-09 05:01:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-12-09 05:01:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-12-09 05:01:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2018-12-09 05:01:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2018-12-09 05:01:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2018-12-09 05:01:57,928 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2018-12-09 05:01:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 05:01:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2018-12-09 05:01:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2018-12-09 05:01:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2018-12-09 05:01:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2018-12-09 05:01:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-09 05:01:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-09 05:01:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-12-09 05:01:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2018-12-09 05:01:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-12-09 05:01:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2018-12-09 05:01:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-09 05:01:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:01:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:01:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start [2018-12-09 05:01:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start [2018-12-09 05:01:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2018-12-09 05:01:57,930 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2018-12-09 05:01:58,354 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 05:01:58,354 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 05:02:13,279 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:02:13,279 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-12-09 05:02:13,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:02:13 BoogieIcfgContainer [2018-12-09 05:02:13,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:02:13,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 05:02:13,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 05:02:13,282 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 05:02:13,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:01:56" (1/3) ... [2018-12-09 05:02:13,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fa3370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:02:13, skipping insertion in model container [2018-12-09 05:02:13,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:01:57" (2/3) ... [2018-12-09 05:02:13,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fa3370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:02:13, skipping insertion in model container [2018-12-09 05:02:13,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:02:13" (3/3) ... [2018-12-09 05:02:13,285 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-09 05:02:13,291 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 05:02:13,296 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 05:02:13,306 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 05:02:13,326 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 05:02:13,326 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 05:02:13,326 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 05:02:13,326 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 05:02:13,327 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 05:02:13,327 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 05:02:13,327 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 05:02:13,327 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 05:02:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2018-12-09 05:02:13,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 05:02:13,346 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:13,346 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:13,348 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:13,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:13,351 INFO L82 PathProgramCache]: Analyzing trace with hash -371280771, now seen corresponding path program 1 times [2018-12-09 05:02:13,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:13,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:13,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:13,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:13,394 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:13,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:02:13,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:13,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:02:13,587 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:13,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:02:13,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:02:13,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:02:13,600 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 3 states. [2018-12-09 05:02:13,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:13,704 INFO L93 Difference]: Finished difference Result 1681 states and 2212 transitions. [2018-12-09 05:02:13,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:02:13,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-12-09 05:02:13,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:13,719 INFO L225 Difference]: With dead ends: 1681 [2018-12-09 05:02:13,719 INFO L226 Difference]: Without dead ends: 1110 [2018-12-09 05:02:13,724 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:02:13,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2018-12-09 05:02:13,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1106. [2018-12-09 05:02:13,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1106 states. [2018-12-09 05:02:13,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1364 transitions. [2018-12-09 05:02:13,799 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1364 transitions. Word has length 30 [2018-12-09 05:02:13,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:13,799 INFO L480 AbstractCegarLoop]: Abstraction has 1106 states and 1364 transitions. [2018-12-09 05:02:13,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:02:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1364 transitions. [2018-12-09 05:02:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 05:02:13,800 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:13,800 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:13,800 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:13,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:13,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1374770105, now seen corresponding path program 1 times [2018-12-09 05:02:13,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:13,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:13,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:13,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:13,804 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:13,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:02:13,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:13,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:02:13,865 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:13,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:02:13,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:02:13,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:02:13,866 INFO L87 Difference]: Start difference. First operand 1106 states and 1364 transitions. Second operand 3 states. [2018-12-09 05:02:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:13,950 INFO L93 Difference]: Finished difference Result 3263 states and 4061 transitions. [2018-12-09 05:02:13,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:02:13,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-12-09 05:02:13,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:13,960 INFO L225 Difference]: With dead ends: 3263 [2018-12-09 05:02:13,960 INFO L226 Difference]: Without dead ends: 2173 [2018-12-09 05:02:13,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:02:13,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2018-12-09 05:02:14,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2166. [2018-12-09 05:02:14,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2166 states. [2018-12-09 05:02:14,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 2686 transitions. [2018-12-09 05:02:14,021 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 2686 transitions. Word has length 31 [2018-12-09 05:02:14,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:14,021 INFO L480 AbstractCegarLoop]: Abstraction has 2166 states and 2686 transitions. [2018-12-09 05:02:14,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:02:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2686 transitions. [2018-12-09 05:02:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 05:02:14,024 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:14,025 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:14,025 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:14,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:14,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1651875236, now seen corresponding path program 1 times [2018-12-09 05:02:14,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:14,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:14,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:14,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:14,028 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:02:14,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:14,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:02:14,128 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:14,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:02:14,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:02:14,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:02:14,129 INFO L87 Difference]: Start difference. First operand 2166 states and 2686 transitions. Second operand 5 states. [2018-12-09 05:02:14,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:14,201 INFO L93 Difference]: Finished difference Result 4310 states and 5349 transitions. [2018-12-09 05:02:14,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:02:14,201 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2018-12-09 05:02:14,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:14,209 INFO L225 Difference]: With dead ends: 4310 [2018-12-09 05:02:14,209 INFO L226 Difference]: Without dead ends: 2166 [2018-12-09 05:02:14,215 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 [2018-12-09 05:02:14,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2018-12-09 05:02:14,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 2166. [2018-12-09 05:02:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2166 states. [2018-12-09 05:02:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 2685 transitions. [2018-12-09 05:02:14,275 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 2685 transitions. Word has length 91 [2018-12-09 05:02:14,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:14,275 INFO L480 AbstractCegarLoop]: Abstraction has 2166 states and 2685 transitions. [2018-12-09 05:02:14,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:02:14,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2685 transitions. [2018-12-09 05:02:14,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 05:02:14,277 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:14,277 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:14,277 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:14,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:14,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1688863165, now seen corresponding path program 1 times [2018-12-09 05:02:14,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:14,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:14,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:14,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:14,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:02:14,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:14,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 05:02:14,352 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:14,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 05:02:14,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 05:02:14,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 05:02:14,353 INFO L87 Difference]: Start difference. First operand 2166 states and 2685 transitions. Second operand 4 states. [2018-12-09 05:02:14,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:14,471 INFO L93 Difference]: Finished difference Result 4330 states and 5389 transitions. [2018-12-09 05:02:14,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 05:02:14,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-09 05:02:14,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:14,478 INFO L225 Difference]: With dead ends: 4330 [2018-12-09 05:02:14,478 INFO L226 Difference]: Without dead ends: 2190 [2018-12-09 05:02:14,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:02:14,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2018-12-09 05:02:14,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 2174. [2018-12-09 05:02:14,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2174 states. [2018-12-09 05:02:14,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 2693 transitions. [2018-12-09 05:02:14,528 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 2693 transitions. Word has length 91 [2018-12-09 05:02:14,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:14,529 INFO L480 AbstractCegarLoop]: Abstraction has 2174 states and 2693 transitions. [2018-12-09 05:02:14,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 05:02:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2693 transitions. [2018-12-09 05:02:14,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 05:02:14,531 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:14,531 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:14,531 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:14,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:14,531 INFO L82 PathProgramCache]: Analyzing trace with hash -2039275050, now seen corresponding path program 1 times [2018-12-09 05:02:14,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:14,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:14,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:14,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:14,533 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:14,630 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:02:14,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:14,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:02:14,630 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:14,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:02:14,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:02:14,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:02:14,631 INFO L87 Difference]: Start difference. First operand 2174 states and 2693 transitions. Second operand 5 states. [2018-12-09 05:02:14,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:14,704 INFO L93 Difference]: Finished difference Result 4204 states and 5202 transitions. [2018-12-09 05:02:14,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:02:14,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2018-12-09 05:02:14,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:14,711 INFO L225 Difference]: With dead ends: 4204 [2018-12-09 05:02:14,711 INFO L226 Difference]: Without dead ends: 2056 [2018-12-09 05:02:14,715 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 [2018-12-09 05:02:14,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2018-12-09 05:02:14,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 2048. [2018-12-09 05:02:14,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2048 states. [2018-12-09 05:02:14,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 2515 transitions. [2018-12-09 05:02:14,761 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 2515 transitions. Word has length 92 [2018-12-09 05:02:14,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:14,761 INFO L480 AbstractCegarLoop]: Abstraction has 2048 states and 2515 transitions. [2018-12-09 05:02:14,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:02:14,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2515 transitions. [2018-12-09 05:02:14,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 05:02:14,763 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:14,763 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 05:02:14,763 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:14,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:14,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1714689772, now seen corresponding path program 1 times [2018-12-09 05:02:14,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:14,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:14,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:14,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:14,767 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:02:14,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:14,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:02:14,863 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:14,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:02:14,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:02:14,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:02:14,863 INFO L87 Difference]: Start difference. First operand 2048 states and 2515 transitions. Second operand 5 states. [2018-12-09 05:02:14,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:14,933 INFO L93 Difference]: Finished difference Result 3150 states and 3880 transitions. [2018-12-09 05:02:14,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:02:14,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2018-12-09 05:02:14,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:14,941 INFO L225 Difference]: With dead ends: 3150 [2018-12-09 05:02:14,942 INFO L226 Difference]: Without dead ends: 2054 [2018-12-09 05:02:14,945 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 [2018-12-09 05:02:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2018-12-09 05:02:15,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2052. [2018-12-09 05:02:15,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2052 states. [2018-12-09 05:02:15,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2517 transitions. [2018-12-09 05:02:15,007 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2517 transitions. Word has length 91 [2018-12-09 05:02:15,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:15,008 INFO L480 AbstractCegarLoop]: Abstraction has 2052 states and 2517 transitions. [2018-12-09 05:02:15,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:02:15,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2517 transitions. [2018-12-09 05:02:15,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 05:02:15,008 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:15,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:15,009 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:15,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:15,009 INFO L82 PathProgramCache]: Analyzing trace with hash -2027958923, now seen corresponding path program 1 times [2018-12-09 05:02:15,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:15,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:15,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:15,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:15,011 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:02:15,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:15,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 05:02:15,110 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:15,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 05:02:15,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 05:02:15,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 05:02:15,111 INFO L87 Difference]: Start difference. First operand 2052 states and 2517 transitions. Second operand 6 states. [2018-12-09 05:02:26,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:26,565 INFO L93 Difference]: Finished difference Result 3739 states and 4840 transitions. [2018-12-09 05:02:26,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 05:02:26,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2018-12-09 05:02:26,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:26,576 INFO L225 Difference]: With dead ends: 3739 [2018-12-09 05:02:26,576 INFO L226 Difference]: Without dead ends: 3734 [2018-12-09 05:02:26,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 05:02:26,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3734 states. [2018-12-09 05:02:26,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3734 to 3694. [2018-12-09 05:02:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3694 states. [2018-12-09 05:02:26,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 4784 transitions. [2018-12-09 05:02:26,666 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 4784 transitions. Word has length 92 [2018-12-09 05:02:26,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:26,666 INFO L480 AbstractCegarLoop]: Abstraction has 3694 states and 4784 transitions. [2018-12-09 05:02:26,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 05:02:26,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 4784 transitions. [2018-12-09 05:02:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 05:02:26,667 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:26,667 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 05:02:26,667 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:26,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:26,668 INFO L82 PathProgramCache]: Analyzing trace with hash -550985109, now seen corresponding path program 1 times [2018-12-09 05:02:26,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:26,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:26,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:26,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:26,670 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:26,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 05:02:26,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:26,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:02:26,717 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:26,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:02:26,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:02:26,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:02:26,717 INFO L87 Difference]: Start difference. First operand 3694 states and 4784 transitions. Second operand 3 states. [2018-12-09 05:02:26,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:26,801 INFO L93 Difference]: Finished difference Result 7518 states and 9850 transitions. [2018-12-09 05:02:26,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:02:26,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2018-12-09 05:02:26,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:26,812 INFO L225 Difference]: With dead ends: 7518 [2018-12-09 05:02:26,812 INFO L226 Difference]: Without dead ends: 3849 [2018-12-09 05:02:26,820 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 [2018-12-09 05:02:26,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3849 states. [2018-12-09 05:02:26,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3849 to 3841. [2018-12-09 05:02:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3841 states. [2018-12-09 05:02:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3841 states to 3841 states and 5062 transitions. [2018-12-09 05:02:26,918 INFO L78 Accepts]: Start accepts. Automaton has 3841 states and 5062 transitions. Word has length 106 [2018-12-09 05:02:26,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:26,918 INFO L480 AbstractCegarLoop]: Abstraction has 3841 states and 5062 transitions. [2018-12-09 05:02:26,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:02:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3841 states and 5062 transitions. [2018-12-09 05:02:26,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 05:02:26,919 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:26,919 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:26,919 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:26,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:26,919 INFO L82 PathProgramCache]: Analyzing trace with hash -221184357, now seen corresponding path program 1 times [2018-12-09 05:02:26,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:26,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:26,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:26,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:26,921 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:26,982 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:02:26,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:26,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:02:26,982 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:26,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:02:26,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:02:26,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:02:26,983 INFO L87 Difference]: Start difference. First operand 3841 states and 5062 transitions. Second operand 3 states. [2018-12-09 05:02:27,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:27,072 INFO L93 Difference]: Finished difference Result 6873 states and 9229 transitions. [2018-12-09 05:02:27,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:02:27,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-12-09 05:02:27,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:27,082 INFO L225 Difference]: With dead ends: 6873 [2018-12-09 05:02:27,083 INFO L226 Difference]: Without dead ends: 4033 [2018-12-09 05:02:27,089 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 [2018-12-09 05:02:27,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2018-12-09 05:02:27,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 3849. [2018-12-09 05:02:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3849 states. [2018-12-09 05:02:27,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 3849 states and 5070 transitions. [2018-12-09 05:02:27,185 INFO L78 Accepts]: Start accepts. Automaton has 3849 states and 5070 transitions. Word has length 104 [2018-12-09 05:02:27,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:27,185 INFO L480 AbstractCegarLoop]: Abstraction has 3849 states and 5070 transitions. [2018-12-09 05:02:27,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:02:27,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3849 states and 5070 transitions. [2018-12-09 05:02:27,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 05:02:27,186 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:27,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:27,187 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:27,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:27,187 INFO L82 PathProgramCache]: Analyzing trace with hash 887109244, now seen corresponding path program 1 times [2018-12-09 05:02:27,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:27,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:27,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:27,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:27,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:27,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:02:27,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:27,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:02:27,262 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:27,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:02:27,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:02:27,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:02:27,262 INFO L87 Difference]: Start difference. First operand 3849 states and 5070 transitions. Second operand 5 states. [2018-12-09 05:02:27,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:27,349 INFO L93 Difference]: Finished difference Result 6577 states and 8758 transitions. [2018-12-09 05:02:27,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:02:27,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2018-12-09 05:02:27,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:27,358 INFO L225 Difference]: With dead ends: 6577 [2018-12-09 05:02:27,359 INFO L226 Difference]: Without dead ends: 3729 [2018-12-09 05:02:27,364 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 [2018-12-09 05:02:27,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3729 states. [2018-12-09 05:02:27,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3729 to 3725. [2018-12-09 05:02:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3725 states. [2018-12-09 05:02:27,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3725 states to 3725 states and 4899 transitions. [2018-12-09 05:02:27,438 INFO L78 Accepts]: Start accepts. Automaton has 3725 states and 4899 transitions. Word has length 106 [2018-12-09 05:02:27,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:27,439 INFO L480 AbstractCegarLoop]: Abstraction has 3725 states and 4899 transitions. [2018-12-09 05:02:27,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:02:27,439 INFO L276 IsEmpty]: Start isEmpty. Operand 3725 states and 4899 transitions. [2018-12-09 05:02:27,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 05:02:27,440 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:27,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:27,440 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:27,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:27,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1848723261, now seen corresponding path program 1 times [2018-12-09 05:02:27,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:27,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:27,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:27,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:27,442 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:02:27,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:27,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 05:02:27,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:27,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 05:02:27,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 05:02:27,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 05:02:27,544 INFO L87 Difference]: Start difference. First operand 3725 states and 4899 transitions. Second operand 6 states. [2018-12-09 05:02:41,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:41,320 INFO L93 Difference]: Finished difference Result 7004 states and 9732 transitions. [2018-12-09 05:02:41,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 05:02:41,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-12-09 05:02:41,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:41,338 INFO L225 Difference]: With dead ends: 7004 [2018-12-09 05:02:41,338 INFO L226 Difference]: Without dead ends: 7001 [2018-12-09 05:02:41,341 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 05:02:41,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7001 states. [2018-12-09 05:02:41,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7001 to 6894. [2018-12-09 05:02:41,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6894 states. [2018-12-09 05:02:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6894 states to 6894 states and 9566 transitions. [2018-12-09 05:02:41,532 INFO L78 Accepts]: Start accepts. Automaton has 6894 states and 9566 transitions. Word has length 106 [2018-12-09 05:02:41,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:41,532 INFO L480 AbstractCegarLoop]: Abstraction has 6894 states and 9566 transitions. [2018-12-09 05:02:41,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 05:02:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 6894 states and 9566 transitions. [2018-12-09 05:02:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-09 05:02:41,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:41,534 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 05:02:41,534 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:41,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:41,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1688338259, now seen corresponding path program 1 times [2018-12-09 05:02:41,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:41,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:41,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:41,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:41,537 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:02:41,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:41,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:02:41,610 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:41,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:02:41,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:02:41,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:02:41,611 INFO L87 Difference]: Start difference. First operand 6894 states and 9566 transitions. Second operand 3 states. [2018-12-09 05:02:41,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:41,756 INFO L93 Difference]: Finished difference Result 13478 states and 19017 transitions. [2018-12-09 05:02:41,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:02:41,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-12-09 05:02:41,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:41,772 INFO L225 Difference]: With dead ends: 13478 [2018-12-09 05:02:41,772 INFO L226 Difference]: Without dead ends: 6610 [2018-12-09 05:02:41,788 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 [2018-12-09 05:02:41,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6610 states. [2018-12-09 05:02:41,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6610 to 6568. [2018-12-09 05:02:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6568 states. [2018-12-09 05:02:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 9000 transitions. [2018-12-09 05:02:41,940 INFO L78 Accepts]: Start accepts. Automaton has 6568 states and 9000 transitions. Word has length 115 [2018-12-09 05:02:41,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:41,940 INFO L480 AbstractCegarLoop]: Abstraction has 6568 states and 9000 transitions. [2018-12-09 05:02:41,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:02:41,940 INFO L276 IsEmpty]: Start isEmpty. Operand 6568 states and 9000 transitions. [2018-12-09 05:02:41,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 05:02:41,941 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:41,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:41,942 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:41,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:41,942 INFO L82 PathProgramCache]: Analyzing trace with hash -718085495, now seen corresponding path program 1 times [2018-12-09 05:02:41,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:41,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:41,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:41,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:41,944 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:02:42,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:42,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:02:42,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:42,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:02:42,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:02:42,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:02:42,012 INFO L87 Difference]: Start difference. First operand 6568 states and 9000 transitions. Second operand 5 states. [2018-12-09 05:02:42,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:42,141 INFO L93 Difference]: Finished difference Result 11542 states and 15872 transitions. [2018-12-09 05:02:42,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:02:42,142 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2018-12-09 05:02:42,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:42,153 INFO L225 Difference]: With dead ends: 11542 [2018-12-09 05:02:42,153 INFO L226 Difference]: Without dead ends: 5000 [2018-12-09 05:02:42,165 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 05:02:42,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5000 states. [2018-12-09 05:02:42,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5000 to 4770. [2018-12-09 05:02:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4770 states. [2018-12-09 05:02:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4770 states to 4770 states and 6392 transitions. [2018-12-09 05:02:42,270 INFO L78 Accepts]: Start accepts. Automaton has 4770 states and 6392 transitions. Word has length 126 [2018-12-09 05:02:42,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:42,271 INFO L480 AbstractCegarLoop]: Abstraction has 4770 states and 6392 transitions. [2018-12-09 05:02:42,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:02:42,271 INFO L276 IsEmpty]: Start isEmpty. Operand 4770 states and 6392 transitions. [2018-12-09 05:02:42,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 05:02:42,272 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:42,273 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 05:02:42,273 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:42,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:42,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1498053070, now seen corresponding path program 1 times [2018-12-09 05:02:42,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:42,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:42,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:42,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:42,275 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 05:02:42,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:42,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 05:02:42,429 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:42,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 05:02:42,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 05:02:42,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 05:02:42,429 INFO L87 Difference]: Start difference. First operand 4770 states and 6392 transitions. Second operand 8 states. [2018-12-09 05:02:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:53,473 INFO L93 Difference]: Finished difference Result 9832 states and 13906 transitions. [2018-12-09 05:02:53,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 05:02:53,473 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2018-12-09 05:02:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:53,490 INFO L225 Difference]: With dead ends: 9832 [2018-12-09 05:02:53,490 INFO L226 Difference]: Without dead ends: 7357 [2018-12-09 05:02:53,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-12-09 05:02:53,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7357 states. [2018-12-09 05:02:53,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7357 to 6337. [2018-12-09 05:02:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6337 states. [2018-12-09 05:02:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6337 states to 6337 states and 8523 transitions. [2018-12-09 05:02:53,665 INFO L78 Accepts]: Start accepts. Automaton has 6337 states and 8523 transitions. Word has length 117 [2018-12-09 05:02:53,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:53,666 INFO L480 AbstractCegarLoop]: Abstraction has 6337 states and 8523 transitions. [2018-12-09 05:02:53,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 05:02:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 6337 states and 8523 transitions. [2018-12-09 05:02:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 05:02:53,667 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:53,668 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:53,668 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:53,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:53,668 INFO L82 PathProgramCache]: Analyzing trace with hash 838301577, now seen corresponding path program 1 times [2018-12-09 05:02:53,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:53,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:53,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:53,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:53,669 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 05:02:53,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:53,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:02:53,739 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:53,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:02:53,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:02:53,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:02:53,740 INFO L87 Difference]: Start difference. First operand 6337 states and 8523 transitions. Second operand 5 states. [2018-12-09 05:02:53,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:53,878 INFO L93 Difference]: Finished difference Result 9180 states and 12405 transitions. [2018-12-09 05:02:53,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:02:53,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-12-09 05:02:53,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:53,891 INFO L225 Difference]: With dead ends: 9180 [2018-12-09 05:02:53,891 INFO L226 Difference]: Without dead ends: 6335 [2018-12-09 05:02:53,897 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 [2018-12-09 05:02:53,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6335 states. [2018-12-09 05:02:54,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6335 to 6333. [2018-12-09 05:02:54,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6333 states. [2018-12-09 05:02:54,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6333 states to 6333 states and 8512 transitions. [2018-12-09 05:02:54,051 INFO L78 Accepts]: Start accepts. Automaton has 6333 states and 8512 transitions. Word has length 148 [2018-12-09 05:02:54,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:54,052 INFO L480 AbstractCegarLoop]: Abstraction has 6333 states and 8512 transitions. [2018-12-09 05:02:54,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:02:54,052 INFO L276 IsEmpty]: Start isEmpty. Operand 6333 states and 8512 transitions. [2018-12-09 05:02:54,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-09 05:02:54,053 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:54,053 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 05:02:54,053 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:54,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:54,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1925085774, now seen corresponding path program 1 times [2018-12-09 05:02:54,054 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:54,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:54,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:54,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:54,055 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:54,134 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 05:02:54,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:54,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:02:54,135 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:54,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:02:54,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:02:54,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:02:54,135 INFO L87 Difference]: Start difference. First operand 6333 states and 8512 transitions. Second operand 5 states. [2018-12-09 05:02:54,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:54,340 INFO L93 Difference]: Finished difference Result 11000 states and 14978 transitions. [2018-12-09 05:02:54,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:02:54,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2018-12-09 05:02:54,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:54,354 INFO L225 Difference]: With dead ends: 11000 [2018-12-09 05:02:54,355 INFO L226 Difference]: Without dead ends: 6401 [2018-12-09 05:02:54,363 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 [2018-12-09 05:02:54,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6401 states. [2018-12-09 05:02:54,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6401 to 6311. [2018-12-09 05:02:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6311 states. [2018-12-09 05:02:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8464 transitions. [2018-12-09 05:02:54,550 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8464 transitions. Word has length 161 [2018-12-09 05:02:54,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:54,550 INFO L480 AbstractCegarLoop]: Abstraction has 6311 states and 8464 transitions. [2018-12-09 05:02:54,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:02:54,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8464 transitions. [2018-12-09 05:02:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 05:02:54,552 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:54,552 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 05:02:54,552 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:54,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:54,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1300329941, now seen corresponding path program 1 times [2018-12-09 05:02:54,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:54,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:54,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:54,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:54,555 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 05:02:54,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:54,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:02:54,656 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:54,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:02:54,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:02:54,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:02:54,657 INFO L87 Difference]: Start difference. First operand 6311 states and 8464 transitions. Second operand 3 states. [2018-12-09 05:02:54,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:54,901 INFO L93 Difference]: Finished difference Result 12626 states and 16988 transitions. [2018-12-09 05:02:54,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:02:54,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-12-09 05:02:54,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:54,913 INFO L225 Difference]: With dead ends: 12626 [2018-12-09 05:02:54,913 INFO L226 Difference]: Without dead ends: 6341 [2018-12-09 05:02:54,923 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 [2018-12-09 05:02:54,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6341 states. [2018-12-09 05:02:55,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6341 to 6331. [2018-12-09 05:02:55,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6331 states. [2018-12-09 05:02:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6331 states to 6331 states and 8484 transitions. [2018-12-09 05:02:55,092 INFO L78 Accepts]: Start accepts. Automaton has 6331 states and 8484 transitions. Word has length 136 [2018-12-09 05:02:55,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:55,093 INFO L480 AbstractCegarLoop]: Abstraction has 6331 states and 8484 transitions. [2018-12-09 05:02:55,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:02:55,093 INFO L276 IsEmpty]: Start isEmpty. Operand 6331 states and 8484 transitions. [2018-12-09 05:02:55,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 05:02:55,095 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:55,095 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:02:55,095 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:55,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:55,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1939037046, now seen corresponding path program 1 times [2018-12-09 05:02:55,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:55,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:55,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:55,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:55,097 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 05:02:55,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:55,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:02:55,156 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:55,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:02:55,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:02:55,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:02:55,156 INFO L87 Difference]: Start difference. First operand 6331 states and 8484 transitions. Second operand 5 states. [2018-12-09 05:02:55,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:55,394 INFO L93 Difference]: Finished difference Result 12748 states and 17062 transitions. [2018-12-09 05:02:55,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:02:55,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2018-12-09 05:02:55,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:55,406 INFO L225 Difference]: With dead ends: 12748 [2018-12-09 05:02:55,406 INFO L226 Difference]: Without dead ends: 6427 [2018-12-09 05:02:55,415 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 [2018-12-09 05:02:55,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6427 states. [2018-12-09 05:02:55,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6427 to 6365. [2018-12-09 05:02:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6365 states. [2018-12-09 05:02:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6365 states to 6365 states and 8516 transitions. [2018-12-09 05:02:55,573 INFO L78 Accepts]: Start accepts. Automaton has 6365 states and 8516 transitions. Word has length 155 [2018-12-09 05:02:55,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:55,574 INFO L480 AbstractCegarLoop]: Abstraction has 6365 states and 8516 transitions. [2018-12-09 05:02:55,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:02:55,574 INFO L276 IsEmpty]: Start isEmpty. Operand 6365 states and 8516 transitions. [2018-12-09 05:02:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 05:02:55,575 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:55,575 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 05:02:55,575 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:55,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:55,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1343300682, now seen corresponding path program 1 times [2018-12-09 05:02:55,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:55,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:55,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:55,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:55,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:02:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:02:55,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:02:55,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:02:55,649 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:02:55,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:02:55,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:02:55,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:02:55,650 INFO L87 Difference]: Start difference. First operand 6365 states and 8516 transitions. Second operand 3 states. [2018-12-09 05:02:55,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:02:55,790 INFO L93 Difference]: Finished difference Result 10902 states and 14610 transitions. [2018-12-09 05:02:55,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:02:55,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-12-09 05:02:55,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:02:55,799 INFO L225 Difference]: With dead ends: 10902 [2018-12-09 05:02:55,799 INFO L226 Difference]: Without dead ends: 5407 [2018-12-09 05:02:55,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:02:55,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5407 states. [2018-12-09 05:02:55,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5407 to 5330. [2018-12-09 05:02:55,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5330 states. [2018-12-09 05:02:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 6937 transitions. [2018-12-09 05:02:55,934 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 6937 transitions. Word has length 125 [2018-12-09 05:02:55,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:02:55,935 INFO L480 AbstractCegarLoop]: Abstraction has 5330 states and 6937 transitions. [2018-12-09 05:02:55,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:02:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 6937 transitions. [2018-12-09 05:02:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 05:02:55,936 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:02:55,936 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 05:02:55,936 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:02:55,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:02:55,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1280970213, now seen corresponding path program 1 times [2018-12-09 05:02:55,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:02:55,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:55,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:02:55,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:02:55,938 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:02:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:02:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:02:56,111 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 05:02:56,187 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967335 could not be translated for associated CType ARRAY#_1_~STRUCT~~usb_device_id?match_flags~~__u16~0?idVendor~~__u16~0?idProduct~~__u16~0?bcdDevice_lo~~__u16~0?bcdDevice_hi~~__u16~0?bDeviceClass~~__u8~0?bDeviceSubClass~~__u8~0?bDeviceProtocol~~__u8~0?bInterfaceClass~~__u8~0?bInterfaceSubClass~~__u8~0?bInterfaceProtocol~~__u8~0?driver_info~~kernel_ulong_t~0## [2018-12-09 05:02:56,188 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967350 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_setup_tc~*((*net_device ~u8~0 ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_ddp_target~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)?ndo_rx_flow_steer~*((*net_device *sk_buff ~u16~0 ~u32~0 ) : INT)?ndo_add_slave~*((*net_device *net_device ) : INT)?ndo_del_slave~*((*net_device *net_device ) : INT)?ndo_fix_features~*((*net_device ~u32~0 ) : ~u32~0)?ndo_set_features~*((*net_device ~u32~0 ) : INT)# [2018-12-09 05:02:56,188 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967427 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-09 05:02:56,188 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967374 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-09 05:02:56,188 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967358 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-09 05:02:56,188 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967340 could not be translated for associated CType STRUCT~~usb_driver?name~*CHAR?probe~*((*usb_interface *usb_device_id ) : INT)?disconnect~*((*usb_interface ) : VOID)?unlocked_ioctl~*((*usb_interface UINT *VOID ) : INT)?suspend~*((*usb_interface ~pm_message_t~0 ) : INT)?resume~*((*usb_interface ) : INT)?reset_resume~*((*usb_interface ) : INT)?pre_reset~*((*usb_interface ) : INT)?post_reset~*((*usb_interface ) : INT)?id_table~*usb_device_id?dynids~STRUCT~~usb_dynids?lock~~spinlock_t~0?list~STRUCT~~list_head?next~*list_head?prev~*list_head##?drvwrap~STRUCT~~usbdrv_wrap?driver~STRUCT~~device_driver?name~*CHAR?bus~*bus_type?owner~*module?mod_name~*CHAR?suppress_bind_attrs~~bool~0?of_match_table~*of_device_id?probe~*((*device ) : INT)?remove~*((*device ) : INT)?shutdown~*((*device ) : VOID)?suspend~*((*device ~pm_message_t~0 ) : INT)?resume~*((*device ) : INT)?groups~**attribute_group?pm~*dev_pm_ops?p~*driver_private#?for_devices~INT#?no_dynamic_id~UINT?supports_autosuspend~UINT?soft_unbind~UINT# [2018-12-09 05:02:56,189 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967351 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_setup_tc~*((*net_device ~u8~0 ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_ddp_target~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)?ndo_rx_flow_steer~*((*net_device *sk_buff ~u16~0 ~u32~0 ) : INT)?ndo_add_slave~*((*net_device *net_device ) : INT)?ndo_del_slave~*((*net_device *net_device ) : INT)?ndo_fix_features~*((*net_device ~u32~0 ) : ~u32~0)?ndo_set_features~*((*net_device ~u32~0 ) : INT)# [2018-12-09 05:02:56,189 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967405 could not be translated for associated CType STRUCT~~can_bittiming_const?name~ARRAY#_16_~CHAR#?tseg1_min~~__u32~0?tseg1_max~~__u32~0?tseg2_min~~__u32~0?tseg2_max~~__u32~0?sjw_max~~__u32~0?brp_min~~__u32~0?brp_max~~__u32~0?brp_inc~~__u32~0# [2018-12-09 05:02:56,189 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967321 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-09 05:02:56,189 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967418 could not be translated for associated CType STRUCT~~can_bittiming_const?name~ARRAY#_16_~CHAR#?tseg1_min~~__u32~0?tseg1_max~~__u32~0?tseg2_min~~__u32~0?tseg2_max~~__u32~0?sjw_max~~__u32~0?brp_min~~__u32~0?brp_max~~__u32~0?brp_inc~~__u32~0# [2018-12-09 05:02:56,189 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967317 could not be translated for associated CType STRUCT~~usb_driver?name~*CHAR?probe~*((*usb_interface *usb_device_id ) : INT)?disconnect~*((*usb_interface ) : VOID)?unlocked_ioctl~*((*usb_interface UINT *VOID ) : INT)?suspend~*((*usb_interface ~pm_message_t~0 ) : INT)?resume~*((*usb_interface ) : INT)?reset_resume~*((*usb_interface ) : INT)?pre_reset~*((*usb_interface ) : INT)?post_reset~*((*usb_interface ) : INT)?id_table~*usb_device_id?dynids~STRUCT~~usb_dynids?lock~~spinlock_t~0?list~STRUCT~~list_head?next~*list_head?prev~*list_head##?drvwrap~STRUCT~~usbdrv_wrap?driver~STRUCT~~device_driver?name~*CHAR?bus~*bus_type?owner~*module?mod_name~*CHAR?suppress_bind_attrs~~bool~0?of_match_table~*of_device_id?probe~*((*device ) : INT)?remove~*((*device ) : INT)?shutdown~*((*device ) : VOID)?suspend~*((*device ~pm_message_t~0 ) : INT)?resume~*((*device ) : INT)?groups~**attribute_group?pm~*dev_pm_ops?p~*driver_private#?for_devices~INT#?no_dynamic_id~UINT?supports_autosuspend~UINT?soft_unbind~UINT# [2018-12-09 05:02:56,189 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967403 could not be translated for associated CType ARRAY#_1_~STRUCT~~usb_device_id?match_flags~~__u16~0?idVendor~~__u16~0?idProduct~~__u16~0?bcdDevice_lo~~__u16~0?bcdDevice_hi~~__u16~0?bDeviceClass~~__u8~0?bDeviceSubClass~~__u8~0?bDeviceProtocol~~__u8~0?bInterfaceClass~~__u8~0?bInterfaceSubClass~~__u8~0?bInterfaceProtocol~~__u8~0?driver_info~~kernel_ulong_t~0## [2018-12-09 05:02:56,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:02:56 BoogieIcfgContainer [2018-12-09 05:02:56,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 05:02:56,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:02:56,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:02:56,250 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:02:56,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:02:13" (3/4) ... [2018-12-09 05:02:56,253 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 05:02:56,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:02:56,254 INFO L168 Benchmark]: Toolchain (without parser) took 59515.06 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 951.6 MB in the beginning and 1.8 GB in the end (delta: -874.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 05:02:56,254 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:02:56,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1005.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.6 MB in the beginning and 932.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. [2018-12-09 05:02:56,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.39 ms. Allocated memory is still 1.2 GB. Free memory was 932.6 MB in the beginning and 925.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-09 05:02:56,255 INFO L168 Benchmark]: Boogie Preprocessor took 74.33 ms. Allocated memory is still 1.2 GB. Free memory was 925.4 MB in the beginning and 911.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-09 05:02:56,256 INFO L168 Benchmark]: RCFGBuilder took 15413.67 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 911.1 MB in the beginning and 1.0 GB in the end (delta: -90.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-09 05:02:56,256 INFO L168 Benchmark]: TraceAbstraction took 42969.49 ms. Allocated memory was 2.9 GB in the beginning and 3.0 GB in the end (delta: 170.9 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -824.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:02:56,256 INFO L168 Benchmark]: Witness Printer took 3.17 ms. Allocated memory is still 3.0 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:02:56,258 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1005.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.6 MB in the beginning and 932.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.39 ms. Allocated memory is still 1.2 GB. Free memory was 932.6 MB in the beginning and 925.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.33 ms. Allocated memory is still 1.2 GB. Free memory was 925.4 MB in the beginning and 911.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15413.67 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 911.1 MB in the beginning and 1.0 GB in the end (delta: -90.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * TraceAbstraction took 42969.49 ms. Allocated memory was 2.9 GB in the beginning and 3.0 GB in the end (delta: 170.9 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -824.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.17 ms. Allocated memory is still 3.0 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967335 could not be translated for associated CType ARRAY#_1_~STRUCT~~usb_device_id?match_flags~~__u16~0?idVendor~~__u16~0?idProduct~~__u16~0?bcdDevice_lo~~__u16~0?bcdDevice_hi~~__u16~0?bDeviceClass~~__u8~0?bDeviceSubClass~~__u8~0?bDeviceProtocol~~__u8~0?bInterfaceClass~~__u8~0?bInterfaceSubClass~~__u8~0?bInterfaceProtocol~~__u8~0?driver_info~~kernel_ulong_t~0## - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967350 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_setup_tc~*((*net_device ~u8~0 ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_ddp_target~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)?ndo_rx_flow_steer~*((*net_device *sk_buff ~u16~0 ~u32~0 ) : INT)?ndo_add_slave~*((*net_device *net_device ) : INT)?ndo_del_slave~*((*net_device *net_device ) : INT)?ndo_fix_features~*((*net_device ~u32~0 ) : ~u32~0)?ndo_set_features~*((*net_device ~u32~0 ) : INT)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967427 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967374 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967358 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967340 could not be translated for associated CType STRUCT~~usb_driver?name~*CHAR?probe~*((*usb_interface *usb_device_id ) : INT)?disconnect~*((*usb_interface ) : VOID)?unlocked_ioctl~*((*usb_interface UINT *VOID ) : INT)?suspend~*((*usb_interface ~pm_message_t~0 ) : INT)?resume~*((*usb_interface ) : INT)?reset_resume~*((*usb_interface ) : INT)?pre_reset~*((*usb_interface ) : INT)?post_reset~*((*usb_interface ) : INT)?id_table~*usb_device_id?dynids~STRUCT~~usb_dynids?lock~~spinlock_t~0?list~STRUCT~~list_head?next~*list_head?prev~*list_head##?drvwrap~STRUCT~~usbdrv_wrap?driver~STRUCT~~device_driver?name~*CHAR?bus~*bus_type?owner~*module?mod_name~*CHAR?suppress_bind_attrs~~bool~0?of_match_table~*of_device_id?probe~*((*device ) : INT)?remove~*((*device ) : INT)?shutdown~*((*device ) : VOID)?suspend~*((*device ~pm_message_t~0 ) : INT)?resume~*((*device ) : INT)?groups~**attribute_group?pm~*dev_pm_ops?p~*driver_private#?for_devices~INT#?no_dynamic_id~UINT?supports_autosuspend~UINT?soft_unbind~UINT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967351 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_setup_tc~*((*net_device ~u8~0 ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_ddp_target~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)?ndo_rx_flow_steer~*((*net_device *sk_buff ~u16~0 ~u32~0 ) : INT)?ndo_add_slave~*((*net_device *net_device ) : INT)?ndo_del_slave~*((*net_device *net_device ) : INT)?ndo_fix_features~*((*net_device ~u32~0 ) : ~u32~0)?ndo_set_features~*((*net_device ~u32~0 ) : INT)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967405 could not be translated for associated CType STRUCT~~can_bittiming_const?name~ARRAY#_16_~CHAR#?tseg1_min~~__u32~0?tseg1_max~~__u32~0?tseg2_min~~__u32~0?tseg2_max~~__u32~0?sjw_max~~__u32~0?brp_min~~__u32~0?brp_max~~__u32~0?brp_inc~~__u32~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967321 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967418 could not be translated for associated CType STRUCT~~can_bittiming_const?name~ARRAY#_16_~CHAR#?tseg1_min~~__u32~0?tseg1_max~~__u32~0?tseg2_min~~__u32~0?tseg2_max~~__u32~0?sjw_max~~__u32~0?brp_min~~__u32~0?brp_max~~__u32~0?brp_inc~~__u32~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967317 could not be translated for associated CType STRUCT~~usb_driver?name~*CHAR?probe~*((*usb_interface *usb_device_id ) : INT)?disconnect~*((*usb_interface ) : VOID)?unlocked_ioctl~*((*usb_interface UINT *VOID ) : INT)?suspend~*((*usb_interface ~pm_message_t~0 ) : INT)?resume~*((*usb_interface ) : INT)?reset_resume~*((*usb_interface ) : INT)?pre_reset~*((*usb_interface ) : INT)?post_reset~*((*usb_interface ) : INT)?id_table~*usb_device_id?dynids~STRUCT~~usb_dynids?lock~~spinlock_t~0?list~STRUCT~~list_head?next~*list_head?prev~*list_head##?drvwrap~STRUCT~~usbdrv_wrap?driver~STRUCT~~device_driver?name~*CHAR?bus~*bus_type?owner~*module?mod_name~*CHAR?suppress_bind_attrs~~bool~0?of_match_table~*of_device_id?probe~*((*device ) : INT)?remove~*((*device ) : INT)?shutdown~*((*device ) : VOID)?suspend~*((*device ~pm_message_t~0 ) : INT)?resume~*((*device ) : INT)?groups~**attribute_group?pm~*dev_pm_ops?p~*driver_private#?for_devices~INT#?no_dynamic_id~UINT?supports_autosuspend~UINT?soft_unbind~UINT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967403 could not be translated for associated CType ARRAY#_1_~STRUCT~~usb_device_id?match_flags~~__u16~0?idVendor~~__u16~0?idProduct~~__u16~0?bcdDevice_lo~~__u16~0?bcdDevice_hi~~__u16~0?bDeviceClass~~__u8~0?bDeviceSubClass~~__u8~0?bDeviceProtocol~~__u8~0?bInterfaceClass~~__u8~0?bInterfaceSubClass~~__u8~0?bInterfaceProtocol~~__u8~0?driver_info~~kernel_ulong_t~0## * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6742]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 5131, overapproximation of bitwiseAnd at line 6092. Possible FailurePath: [L5137] static struct lock_class_key __key___7 ; [L5138] static struct lock_class_key __key___8 ; [L5278-L5291] static char const __mod_author31[46] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'a', (char const )'u', (char const )'t', (char const )'h', (char const )'o', (char const )'r', (char const )'=', (char const )'S', (char const )'e', (char const )'b', (char const )'a', (char const )'s', (char const )'t', (char const )'i', (char const )'a', (char const )'n', (char const )' ', (char const )'H', (char const )'a', (char const )'a', (char const )'s', (char const )' ', (char const )'<', (char const )'h', (char const )'a', (char const )'a', (char const )'s', (char const )'@', (char const )'e', (char const )'m', (char const )'s', (char const )'-', (char const )'w', (char const )'u', (char const )'e', (char const )'n', (char const )'s', (char const )'c', (char const )'h', (char const )'e', (char const )'.', (char const )'c', (char const )'o', (char const )'m', (char const )'>', (char const )'\000'}; [L5292-L5311] static char const __mod_description32[70] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'d', (char const )'e', (char const )'s', (char const )'c', (char const )'r', (char const )'i', (char const )'p', (char const )'t', (char const )'i', (char const )'o', (char const )'n', (char const )'=', (char const )'C', (char const )'A', (char const )'N', (char const )' ', (char const )'d', (char const )'r', (char const )'i', (char const )'v', (char const )'e', (char const )'r', (char const )' ', (char const )'f', (char const )'o', (char const )'r', (char const )' ', (char const )'E', (char const )'M', (char const )'S', (char const )' ', (char const )'D', (char const )'r', (char const )'.', (char const )' ', (char const )'T', (char const )'h', (char const )'o', (char const )'m', (char const )'a', (char const )'s', (char const )' ', (char const )'W', (char const )'u', (char const )'e', (char const )'n', (char const )'s', (char const )'c', (char const )'h', (char const )'e', (char const )' ', (char const )'C', (char const )'A', (char const )'N', (char const )'/', (char const )'U', (char const )'S', (char const )'B', (char const )' ', (char const )'i', (char const )'n', (char const )'t', (char const )'e', (char const )'r', (char const )'f', (char const )'a', (char const )'c', (char const )'e', (char const )'s', (char const )'\000'}; [L5312-L5317] static char const __mod_license33[15] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'l', (char const )'i', (char const )'c', (char const )'e', (char const )'n', (char const )'s', (char const )'e', (char const )'=', (char const )'G', (char const )'P', (char const )'L', (char const )' ', (char const )'v', (char const )'2', (char const )'\000'}; [L5318-L5320] static struct usb_device_id ems_usb_table[1] = { {(__u16 )3, (__u16 )4822, (__u16 )1092, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L6235-L6275] static struct net_device_ops const ems_usb_netdev_ops = {(int (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, & ems_usb_open, & ems_usb_close, & ems_usb_start_xmit, (u16 (*)(struct net_device *dev , struct sk_buff *skb ))0, (void (*)(struct net_device *dev , int flags ))0, (void (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , void *addr ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct ifreq *ifr , int cmd ))0, (int (*)(struct net_device *dev , struct ifmap *map ))0, (int (*)(struct net_device *dev , int new_mtu ))0, (int (*)(struct net_device *dev , struct neigh_parms * ))0, (void (*)(struct net_device *dev ))0, (struct rtnl_link_stats64 *(*)(struct net_device *dev , struct rtnl_link_stats64 *storage ))0, (struct net_device_stats *(*)(struct net_device *dev ))0, (void (*)(struct net_device *dev , struct vlan_group *grp ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct netpoll_info *info ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , int queue , u8 *mac ))0, (int (*)(struct net_device *dev , int queue , u16 vlan , u8 qos ))0, (int (*)(struct net_device *dev , int vf , int rate ))0, (int (*)(struct net_device *dev , int vf , struct ifla_vf_info *ivf ))0, (int (*)(struct net_device *dev , int vf , struct nlattr **port ))0, (int (*)(struct net_device *dev , int vf , struct sk_buff *skb ))0, (int (*)(struct net_device *dev , u8 tc ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u16 xid ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u64 *wwn , int type ))0, (int (*)(struct net_device *dev , struct sk_buff const *skb , u16 rxq_index , u32 flow_id ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (u32 (*)(struct net_device *dev , u32 features ))0, (int (*)(struct net_device *dev , u32 features ))0}; [L6276-L6280] static struct can_bittiming_const ems_usb_bittiming_const = {{(char )'e', (char )'m', (char )'s', (char )'_', (char )'u', (char )'s', (char )'b', (char )'\000', (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, (__u32 )1, (__u32 )16, (__u32 )1, (__u32 )8, (__u32 )4, (__u32 )1, (__u32 )64, (__u32 )1}; [L6531-L6549] static struct usb_driver ems_usb_driver = {"ems_usb", & ems_usb_probe, & ems_usb_disconnect, (int (*)(struct usb_interface *intf , unsigned int code , void *buf ))0, (int (*)(struct usb_interface *intf , pm_message_t message ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (struct usb_device_id const *)(ems_usb_table), {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}, {{(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device *dev ))0, (int (*)(struct device *dev ))0, (void (*)(struct device *dev ))0, (int (*)(struct device *dev , pm_message_t state ))0, (int (*)(struct device *dev ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, 0}, 0U, 0U, 0U}; [L6602] int LDV_IN_INTERRUPT ; [L6603] static int res_ems_usb_open_10 ; [L6604] static int res_ems_usb_close_12 ; [L6605] static int res_ems_usb_probe_16 ; [L6755] int ldv_urb_state = 0; [L6756] int ldv_coherent_state = 0; VAL [\old(__key___7)=null, \old(__key___7)=null, \old(__key___8)=null, \old(__key___8)=null, \old(ems_usb_bittiming_const)=null, \old(ems_usb_bittiming_const)=null, \old(ems_usb_driver)=null, \old(ems_usb_driver)=null, \old(ems_usb_netdev_ops)=null, \old(ems_usb_netdev_ops)=null, \old(ems_usb_table)=null, \old(ems_usb_table)=null, \old(ldv_coherent_state)=4294967310, \old(LDV_IN_INTERRUPT)=4294967324, \old(ldv_urb_state)=4294967368, \old(res_ems_usb_close_12)=4294967426, \old(res_ems_usb_open_10)=4294967431, \old(res_ems_usb_probe_16)=4294967318, __key___7={4294967323:0}, __key___8={4294967423:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6607] struct net_device *var_group1 ; [L6608] struct sk_buff *var_group2 ; [L6609] struct usb_interface *var_group3 ; [L6610] struct usb_device_id const *var_ems_usb_probe_16_p1 ; [L6611] int tmp___7 ; [L6612] int ldv_s_ems_usb_netdev_ops_net_device_ops ; [L6613] int ldv_s_ems_usb_driver_usb_driver ; [L6614] int tmp___8 ; [L6615] int tmp___9 ; [L6618] LDV_IN_INTERRUPT = 1 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6619] FCALL ldv_initialize() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6620] CALL, EXPR ems_usb_init() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6553] int err ; [L6557] CALL, EXPR usb_register(& ems_usb_driver) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, driver={4294967450:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L5128] int tmp___7 ; VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, driver={4294967450:0}, driver={4294967450:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L5131] CALL, EXPR usb_register_driver(driver, & __this_module, "ems_usb") VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, arg0={4294967450:0}, arg1={4294967428:4294967453}, arg2={4294967388:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L7012] return __VERIFIER_nondet_int(); [L5131] RET, EXPR usb_register_driver(driver, & __this_module, "ems_usb") VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, driver={4294967450:0}, driver={4294967450:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, usb_register_driver(driver, & __this_module, "ems_usb")=0] [L5131] tmp___7 = usb_register_driver(driver, & __this_module, "ems_usb") [L5133] return (tmp___7); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, driver={4294967450:0}, driver={4294967450:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0] [L6557] RET, EXPR usb_register(& ems_usb_driver) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, usb_register(& ems_usb_driver)=0] [L6557] err = usb_register(& ems_usb_driver) [L6559] COND FALSE !(\read(err)) [L6566] return (0); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, err=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6620] RET, EXPR ems_usb_init() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_init()=0, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6620] tmp___7 = ems_usb_init() [L6622] COND FALSE !(\read(tmp___7)) [L6626] ldv_s_ems_usb_netdev_ops_net_device_ops = 0 [L6627] ldv_s_ems_usb_driver_usb_driver = 0 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0] [L6629] COND TRUE 1 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0] [L6632] tmp___9 = __VERIFIER_nondet_int() [L6634] COND TRUE \read(tmp___9) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___9=1] [L6643] tmp___8 = __VERIFIER_nondet_int() [L6645] COND FALSE !(tmp___8 == 0) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1] [L6648] COND FALSE !(tmp___8 == 1) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1] [L6651] COND TRUE tmp___8 == 2 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1] [L6692] CALL ems_usb_start_xmit(var_group2, var_group1) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967430:0}] [L6036] struct ems_usb *dev ; [L6037] void *tmp___7 ; [L6038] struct ems_tx_urb_context *context ; [L6039] struct net_device_stats *stats ; [L6040] struct can_frame *cf ; [L6041] struct ems_cpc_msg *msg ; [L6042] struct urb *urb ; [L6043] u8 *buf ; [L6044] int i ; [L6045] int err ; [L6046] size_t size ; [L6047] int tmp___8 ; [L6048] void *tmp___9 ; [L6049] unsigned int tmp___10 ; [L6050] int tmp___11 ; [L6051] long tmp___12 ; VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967430:0}, skb={4294967430:0}] [L6054] CALL, EXPR netdev_priv((struct net_device const *)netdev) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, dev={0:-519}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L4964] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result={0:-520}, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, dev={0:-519}, dev={0:-519}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6054] RET, EXPR netdev_priv((struct net_device const *)netdev) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-519}, netdev={0:-519}, netdev_priv((struct net_device const *)netdev)={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967430:0}, skb={4294967430:0}] [L6054] tmp___7 = netdev_priv((struct net_device const *)netdev) [L6055] dev = (struct ems_usb *)tmp___7 [L6056] context = (struct ems_tx_urb_context *)((void *)0) [L6057] stats = & netdev->stats [L6058] EXPR skb->data [L6058] cf = (struct can_frame *)skb->data [L6059] size = 15UL + sizeof(struct cpc_can_msg ) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}] [L6060] CALL, EXPR can_dropped_invalid_skb(netdev, skb) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, dev={0:-519}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967430:0}] [L5240] struct can_frame const *cf ; [L5241] int tmp___7 ; [L5242] long tmp___8 ; [L5244] EXPR skb->data [L5244] cf = (struct can_frame const *)((struct can_frame *)skb->data) [L5245] EXPR skb->len VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, cf={0:0}, dev={0:-519}, dev={0:-519}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967430:0}, skb={4294967430:0}, skb->len=4294967309] [L5245] COND FALSE !((unsigned long )skb->len != sizeof(*cf)) [L5248] EXPR cf->can_dlc VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, cf={0:0}, cf->can_dlc=0, dev={0:-519}, dev={0:-519}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967430:0}, skb={4294967430:0}] [L5248] COND FALSE !((int const )cf->can_dlc > 8) [L5251] tmp___7 = 0 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, cf={0:0}, dev={0:-519}, dev={0:-519}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967430:0}, skb={4294967430:0}, tmp___7=0] [L5254] tmp___8 = __builtin_expect((long )tmp___7, 0L) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, cf={0:0}, dev={0:-519}, dev={0:-519}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967430:0}, skb={4294967430:0}, tmp___7=0, tmp___8=0] [L5256] COND FALSE !(\read(tmp___8)) [L5264] return (0); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, cf={0:0}, dev={0:-519}, dev={0:-519}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={4294967430:0}, skb={4294967430:0}, tmp___7=0, tmp___8=0] [L6060] RET, EXPR can_dropped_invalid_skb(netdev, skb) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, can_dropped_invalid_skb(netdev, skb)=0, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}] [L6060] tmp___8 = can_dropped_invalid_skb(netdev, skb) [L6062] COND FALSE !(\read(tmp___8)) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0] [L6067] CALL, EXPR usb_alloc_urb(0, 32U) VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6818] void *arbitrary_memory ; [L6819] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6822] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6825] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6969] CALL, EXPR external_alloc() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L7030] return __VERIFIER_nondet_pointer(); [L6969] RET, EXPR external_alloc() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, external_alloc()={4294967440:-104}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6969] return (void *)external_alloc(); [L6825] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={4294967440:-104}, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6825] tmp___7 = ldv_undefined_pointer() [L6826] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, arbitrary_memory={4294967440:-104}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7={4294967440:-104}] [L6828] COND FALSE !(! arbitrary_memory) [L6832] ldv_urb_state = ldv_urb_state + 1 [L6833] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result={4294967440:-104}, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, arbitrary_memory={4294967440:-104}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7={4294967440:-104}] [L6067] RET, EXPR usb_alloc_urb(0, 32U) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, usb_alloc_urb(0, 32U)={4294967440:-104}] [L6067] urb = usb_alloc_urb(0, 32U) [L6069] COND FALSE !(! urb) [L6077] EXPR dev->udev VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, cf={0:0}, context={0:0}, dev={0:-520}, dev->udev={4294967406:4294967419}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, urb={4294967440:-104}] [L6077] CALL, EXPR usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, dev={4294967406:4294967419}, dma={4294967440:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6761] void *arbitrary_memory ; [L6762] void *tmp___7 ; VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, dev={4294967406:4294967419}, dev={4294967406:4294967419}, dma={4294967440:0}, dma={4294967440:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6765] COND TRUE 1 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, dev={4294967406:4294967419}, dev={4294967406:4294967419}, dma={4294967440:0}, dma={4294967440:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6768] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6969] CALL, EXPR external_alloc() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L7030] return __VERIFIER_nondet_pointer(); [L6969] RET, EXPR external_alloc() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, external_alloc()={0:-188}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6969] return (void *)external_alloc(); [L6768] RET, EXPR ldv_undefined_pointer() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, dev={4294967406:4294967419}, dev={4294967406:4294967419}, dma={4294967440:0}, dma={4294967440:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={0:-188}, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6768] tmp___7 = ldv_undefined_pointer() [L6769] arbitrary_memory = tmp___7 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, arbitrary_memory={0:-188}, dev={4294967406:4294967419}, dev={4294967406:4294967419}, dma={4294967440:0}, dma={4294967440:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, tmp___7={0:-188}] [L6771] COND FALSE !(! arbitrary_memory) [L6775] ldv_coherent_state = ldv_coherent_state + 1 [L6776] return (arbitrary_memory); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, \result={0:-188}, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, arbitrary_memory={0:-188}, dev={4294967406:4294967419}, dev={4294967406:4294967419}, dma={4294967440:0}, dma={4294967440:0}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, tmp___7={0:-188}] [L6077] RET, EXPR usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, cf={0:0}, context={0:0}, dev={0:-520}, dev->udev={4294967406:4294967419}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, urb={4294967440:-104}, usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma)={0:-188}] [L6077] tmp___9 = usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) [L6078] buf = (u8 *)tmp___9 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6080] COND FALSE !(! buf) [L6088] msg = (struct ems_cpc_msg *)(buf + 4) [L6089] EXPR cf->can_id [L6089] msg->msg.can_msg.id = cf->can_id & 536870911U [L6090] EXPR cf->can_dlc [L6090] msg->msg.can_msg.length = cf->can_dlc [L6091] EXPR cf->can_id VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, cf->can_id=4294967451, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6091] COND TRUE cf->can_id & 1073741824U [L6092] EXPR cf->can_id VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, cf->can_id=4294967451, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6092] COND TRUE cf->can_id & 2147483648U [L6093] msg->type = (u8 )16 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6097] msg->length = (u8 )5 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6120] EXPR msg->msg.can_msg.id [L6120] msg->msg.can_msg.id = msg->msg.can_msg.id [L6121] i = 0 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6123] COND TRUE 1 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6125] COND TRUE i < 10 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6129] EXPR dev->tx_contexts[i].echo_index VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, dev->tx_contexts[i].echo_index=4294967306, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6129] COND TRUE dev->tx_contexts[i].echo_index == 10U [L6130] context = & dev->tx_contexts[i] VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6139] COND TRUE ! context VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6141] FCALL usb_unanchor_urb(urb) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6142] EXPR dev->udev [L6142] EXPR urb->transfer_dma VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, dev->udev={4294967442:4294967381}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}, urb->transfer_dma=4294967360] [L6142] CALL usb_free_coherent(dev->udev, size, (void *)buf, urb->transfer_dma) VAL [\old(dma)=4294967360, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, addr={0:-188}, dev={4294967442:4294967381}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6790] COND TRUE 1 VAL [\old(dma)=4294967360, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, addr={0:-188}, addr={0:-188}, dev={4294967442:4294967381}, dev={4294967442:4294967381}, dma=4294967360, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6792] COND FALSE !(! ((unsigned long )addr != (unsigned long )((void *)0))) VAL [\old(dma)=4294967360, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, addr={0:-188}, addr={0:-188}, dev={4294967442:4294967381}, dev={4294967442:4294967381}, dma=4294967360, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6798] COND TRUE \read(*addr) VAL [\old(dma)=4294967360, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, addr={0:-188}, addr={0:-188}, dev={4294967442:4294967381}, dev={4294967442:4294967381}, dma=4294967360, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6799] COND TRUE ldv_coherent_state >= 1 VAL [\old(dma)=4294967360, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, addr={0:-188}, addr={0:-188}, dev={4294967442:4294967381}, dev={4294967442:4294967381}, dma=4294967360, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6805] ldv_coherent_state = ldv_coherent_state - 1 VAL [\old(dma)=4294967360, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, addr={0:-188}, addr={0:-188}, dev={4294967442:4294967381}, dev={4294967442:4294967381}, dma=4294967360, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6142] RET usb_free_coherent(dev->udev, size, (void *)buf, urb->transfer_dma) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, dev->udev={4294967442:4294967381}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, i=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}, urb->transfer_dma=4294967360] [L6143] netdev->dev.parent [L6145] return ((netdev_tx_t )16); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result=16, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, buf={0:-188}, cf={0:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, i=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={0:-184}, netdev={0:-519}, netdev={0:-519}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={4294967430:0}, skb={4294967430:0}, stats={0:-331}, tmp___7={0:-520}, tmp___8=0, tmp___9={0:-188}, urb={4294967440:-104}] [L6692] RET ems_usb_start_xmit(var_group2, var_group1) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_start_xmit(var_group2, var_group1)=16, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1, var_group1={0:-519}, var_group2={4294967430:0}] [L6629] COND TRUE 1 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1, var_group1={0:-519}, var_group2={4294967430:0}] [L6632] tmp___9 = __VERIFIER_nondet_int() [L6634] COND FALSE !(\read(tmp___9)) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-519}, var_group2={4294967430:0}] [L6636] COND FALSE !(! (ldv_s_ems_usb_netdev_ops_net_device_ops == 0)) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-519}, var_group2={4294967430:0}] [L6638] COND FALSE !(! (ldv_s_ems_usb_driver_usb_driver == 0)) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-519}, var_group2={4294967430:0}] [L6730] CALL ems_usb_exit() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6575] FCALL usb_deregister(& ems_usb_driver) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6730] RET ems_usb_exit() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-519}, var_group2={4294967430:0}] [L6734] CALL ldv_check_final_state() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6877] COND FALSE !(ldv_urb_state == 0) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6880] CALL ldv_blast_assert() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6742] __VERIFIER_error() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={4294967323:0}, __key___8={4294967423:0}, __this_module={4294967428:4294967453}, ems_usb_bittiming_const={4294967404:0}, ems_usb_driver={4294967450:0}, ems_usb_netdev_ops={4294967365:0}, ems_usb_table={4294967433:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 80 procedures, 588 locations, 1 error locations. UNSAFE Result, 42.9s OverallTime, 20 OverallIterations, 3 TraceHistogramMax, 38.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15029 SDtfs, 8810 SDslu, 25258 SDs, 0 SdLazy, 5737 SolverSat, 3471 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 32.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6894occurred in iteration=11, 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: 2.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 1913 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2150 NumberOfCodeBlocks, 2150 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2004 ConstructedInterpolants, 0 QuantifiedInterpolants, 324308 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 169/169 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:02:57,642 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:02:57,643 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:02:57,651 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:02:57,651 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:02:57,651 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:02:57,652 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:02:57,653 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:02:57,654 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:02:57,655 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:02:57,655 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:02:57,656 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:02:57,656 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:02:57,657 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:02:57,658 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:02:57,658 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:02:57,659 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:02:57,659 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:02:57,661 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:02:57,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:02:57,662 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:02:57,663 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:02:57,665 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:02:57,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:02:57,665 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:02:57,665 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:02:57,666 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:02:57,666 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:02:57,667 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:02:57,667 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:02:57,667 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:02:57,667 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:02:57,668 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:02:57,668 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:02:57,668 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:02:57,668 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:02:57,669 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-12-09 05:02:57,678 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:02:57,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:02:57,679 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:02:57,679 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 05:02:57,679 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 05:02:57,679 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 05:02:57,679 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 05:02:57,680 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 05:02:57,680 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 05:02:57,680 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 05:02:57,680 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:02:57,681 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:02:57,681 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:02:57,681 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:02:57,681 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:02:57,681 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 05:02:57,681 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 05:02:57,682 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:02:57,682 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 05:02:57,682 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:02:57,682 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:02:57,682 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 05:02:57,682 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:02:57,682 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 05:02:57,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:02:57,683 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:02:57,683 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:02:57,683 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:02:57,683 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 05:02:57,683 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:02:57,684 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 05:02:57,684 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 05:02:57,684 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_4c21e6e7-e793-4651-ac43-cd99087ab80f/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 -> df5576f7e7a8cefe027103c7c7ef877e0a55917f [2018-12-09 05:02:57,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:02:57,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:02:57,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:02:57,718 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:02:57,718 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:02:57,718 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-09 05:02:57,753 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/data/73f58f8e8/ff8ce57d05864a83b4ccb343b35e84fe/FLAG9ac351feb [2018-12-09 05:02:58,189 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:02:58,190 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-09 05:02:58,204 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/data/73f58f8e8/ff8ce57d05864a83b4ccb343b35e84fe/FLAG9ac351feb [2018-12-09 05:02:58,520 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/data/73f58f8e8/ff8ce57d05864a83b4ccb343b35e84fe [2018-12-09 05:02:58,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:02:58,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:02:58,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:02:58,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:02:58,535 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:02:58,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:02:58" (1/1) ... [2018-12-09 05:02:58,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da90b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:58, skipping insertion in model container [2018-12-09 05:02:58,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:02:58" (1/1) ... [2018-12-09 05:02:58,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:02:58,598 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:02:59,293 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:02:59,316 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:02:59,446 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:02:59,607 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:02:59,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59 WrapperNode [2018-12-09 05:02:59,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:02:59,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:02:59,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:02:59,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:02:59,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59" (1/1) ... [2018-12-09 05:02:59,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59" (1/1) ... [2018-12-09 05:02:59,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:02:59,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:02:59,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:02:59,654 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:02:59,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59" (1/1) ... [2018-12-09 05:02:59,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59" (1/1) ... [2018-12-09 05:02:59,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59" (1/1) ... [2018-12-09 05:02:59,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59" (1/1) ... [2018-12-09 05:02:59,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59" (1/1) ... [2018-12-09 05:02:59,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59" (1/1) ... [2018-12-09 05:02:59,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59" (1/1) ... [2018-12-09 05:02:59,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:02:59,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:02:59,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:02:59,735 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:02:59,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/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 [2018-12-09 05:02:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2018-12-09 05:02:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2018-12-09 05:02:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-12-09 05:02:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-12-09 05:02:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-12-09 05:02:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2018-12-09 05:02:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start_xmit [2018-12-09 05:02:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start_xmit [2018-12-09 05:02:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-09 05:02:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2018-12-09 05:02:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2018-12-09 05:02:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2018-12-09 05:02:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2018-12-09 05:02:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-12-09 05:02:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2018-12-09 05:02:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-12-09 05:02:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 05:02:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 05:02:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-09 05:02:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-09 05:02:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2018-12-09 05:02:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2018-12-09 05:02:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-09 05:02:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-09 05:02:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-09 05:02:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-09 05:02:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-12-09 05:02:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2018-12-09 05:02:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure init_params_sja1000 [2018-12-09 05:02:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure init_params_sja1000 [2018-12-09 05:02:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2018-12-09 05:02:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2018-12-09 05:02:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2018-12-09 05:02:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2018-12-09 05:02:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2018-12-09 05:02:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2018-12-09 05:02:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-09 05:02:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-09 05:02:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2018-12-09 05:02:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2018-12-09 05:02:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2018-12-09 05:02:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2018-12-09 05:02:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-12-09 05:02:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-12-09 05:02:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2018-12-09 05:02:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2018-12-09 05:02:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-12-09 05:02:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-12-09 05:02:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2018-12-09 05:02:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2018-12-09 05:02:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-09 05:02:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-09 05:02:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2018-12-09 05:02:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2018-12-09 05:02:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2018-12-09 05:02:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2018-12-09 05:02:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2018-12-09 05:02:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2018-12-09 05:02:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-09 05:02:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-12-09 05:02:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-12-09 05:02:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-12-09 05:02:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2018-12-09 05:02:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2018-12-09 05:02:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-12-09 05:02:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-12-09 05:02:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-12-09 05:02:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-12-09 05:02:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-09 05:02:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-09 05:02:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-12-09 05:02:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-12-09 05:02:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2018-12-09 05:02:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2018-12-09 05:02:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 05:02:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 05:02:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-12-09 05:02:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-12-09 05:02:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2018-12-09 05:02:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2018-12-09 05:02:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2018-12-09 05:02:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2018-12-09 05:02:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2018-12-09 05:02:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2018-12-09 05:02:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-12-09 05:02:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-12-09 05:02:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 05:02:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 05:02:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-12-09 05:02:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-12-09 05:02:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 05:02:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-12-09 05:02:59,783 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-12-09 05:02:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2018-12-09 05:02:59,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2018-12-09 05:02:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2018-12-09 05:02:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2018-12-09 05:02:59,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2018-12-09 05:02:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2018-12-09 05:02:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-09 05:02:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2018-12-09 05:02:59,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2018-12-09 05:02:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2018-12-09 05:02:59,784 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2018-12-09 05:02:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2018-12-09 05:02:59,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2018-12-09 05:02:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_probe [2018-12-09 05:02:59,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_probe [2018-12-09 05:02:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2018-12-09 05:02:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2018-12-09 05:02:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 05:02:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_disconnect [2018-12-09 05:02:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_disconnect [2018-12-09 05:02:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2018-12-09 05:02:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2018-12-09 05:02:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-12-09 05:02:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2018-12-09 05:02:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_close [2018-12-09 05:02:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_close [2018-12-09 05:02:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-12-09 05:02:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2018-12-09 05:02:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2018-12-09 05:02:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2018-12-09 05:02:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2018-12-09 05:02:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2018-12-09 05:02:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2018-12-09 05:02:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2018-12-09 05:02:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-12-09 05:02:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-12-09 05:02:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-12-09 05:02:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-12-09 05:02:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 05:02:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-12-09 05:02:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-12-09 05:02:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 05:02:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_open [2018-12-09 05:02:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_open [2018-12-09 05:02:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 05:02:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-12-09 05:02:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-12-09 05:02:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2018-12-09 05:02:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-12-09 05:02:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-09 05:02:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2018-12-09 05:02:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2018-12-09 05:02:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-12-09 05:02:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-09 05:02:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-09 05:02:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2018-12-09 05:02:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2018-12-09 05:02:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-12-09 05:02:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-12-09 05:02:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-12-09 05:02:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-12-09 05:02:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2018-12-09 05:02:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2018-12-09 05:02:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-12-09 05:02:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2018-12-09 05:02:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-12-09 05:02:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-12-09 05:02:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-12-09 05:02:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-12-09 05:02:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-12-09 05:02:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-12-09 05:02:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2018-12-09 05:02:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2018-12-09 05:02:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2018-12-09 05:02:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2018-12-09 05:02:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2018-12-09 05:02:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2018-12-09 05:02:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2018-12-09 05:02:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2018-12-09 05:02:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2018-12-09 05:02:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-09 05:02:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-09 05:02:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-12-09 05:02:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2018-12-09 05:02:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-12-09 05:02:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2018-12-09 05:02:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:02:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:02:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start [2018-12-09 05:02:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start [2018-12-09 05:02:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2018-12-09 05:02:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2018-12-09 05:03:22,497 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 05:03:22,497 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 05:03:24,905 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:03:24,905 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-12-09 05:03:24,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:03:24 BoogieIcfgContainer [2018-12-09 05:03:24,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:03:24,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 05:03:24,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 05:03:24,908 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 05:03:24,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:02:58" (1/3) ... [2018-12-09 05:03:24,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df70675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:03:24, skipping insertion in model container [2018-12-09 05:03:24,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:59" (2/3) ... [2018-12-09 05:03:24,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df70675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:03:24, skipping insertion in model container [2018-12-09 05:03:24,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:03:24" (3/3) ... [2018-12-09 05:03:24,910 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-09 05:03:24,915 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 05:03:24,920 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 05:03:24,928 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 05:03:24,947 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 05:03:24,947 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 05:03:24,948 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 05:03:24,948 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 05:03:24,948 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 05:03:24,948 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 05:03:24,948 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 05:03:24,948 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 05:03:24,948 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 05:03:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2018-12-09 05:03:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 05:03:24,965 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:03:24,966 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:03:24,967 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:03:24,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:03:24,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1347966597, now seen corresponding path program 1 times [2018-12-09 05:03:24,973 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:03:24,974 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/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 [2018-12-09 05:03:24,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:03:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:03:25,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:03:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:03:25,290 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:03:25,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:03:25,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:03:25,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:03:25,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:03:25,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:03:25,304 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 3 states. [2018-12-09 05:03:25,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:03:25,387 INFO L93 Difference]: Finished difference Result 1681 states and 2214 transitions. [2018-12-09 05:03:25,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:03:25,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-12-09 05:03:25,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:03:25,401 INFO L225 Difference]: With dead ends: 1681 [2018-12-09 05:03:25,401 INFO L226 Difference]: Without dead ends: 1096 [2018-12-09 05:03:25,407 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:03:25,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2018-12-09 05:03:25,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1092. [2018-12-09 05:03:25,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1092 states. [2018-12-09 05:03:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1340 transitions. [2018-12-09 05:03:25,502 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1340 transitions. Word has length 30 [2018-12-09 05:03:25,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:03:25,502 INFO L480 AbstractCegarLoop]: Abstraction has 1092 states and 1340 transitions. [2018-12-09 05:03:25,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:03:25,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1340 transitions. [2018-12-09 05:03:25,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 05:03:25,503 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:03:25,503 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:03:25,503 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:03:25,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:03:25,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1162298091, now seen corresponding path program 1 times [2018-12-09 05:03:25,505 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:03:25,505 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:03:25,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:03:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:03:25,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:03:25,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:03:25,769 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:03:25,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:03:25,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:03:25,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:03:25,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:03:25,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:03:25,773 INFO L87 Difference]: Start difference. First operand 1092 states and 1340 transitions. Second operand 3 states. [2018-12-09 05:03:25,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:03:25,837 INFO L93 Difference]: Finished difference Result 3221 states and 3989 transitions. [2018-12-09 05:03:25,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:03:25,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-12-09 05:03:25,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:03:25,845 INFO L225 Difference]: With dead ends: 3221 [2018-12-09 05:03:25,845 INFO L226 Difference]: Without dead ends: 2145 [2018-12-09 05:03:25,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:03:25,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2018-12-09 05:03:25,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2138. [2018-12-09 05:03:25,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2138 states. [2018-12-09 05:03:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 2638 transitions. [2018-12-09 05:03:25,903 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 2638 transitions. Word has length 31 [2018-12-09 05:03:25,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:03:25,904 INFO L480 AbstractCegarLoop]: Abstraction has 2138 states and 2638 transitions. [2018-12-09 05:03:25,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:03:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2638 transitions. [2018-12-09 05:03:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 05:03:25,906 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:03:25,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:03:25,907 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:03:25,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:03:25,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1830397495, now seen corresponding path program 1 times [2018-12-09 05:03:25,907 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:03:25,907 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:03:25,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:03:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:03:26,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:03:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:03:26,199 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:03:26,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:03:26,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:03:26,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:03:26,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:03:26,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:03:26,203 INFO L87 Difference]: Start difference. First operand 2138 states and 2638 transitions. Second operand 5 states. [2018-12-09 05:03:26,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:03:26,263 INFO L93 Difference]: Finished difference Result 4254 states and 5253 transitions. [2018-12-09 05:03:26,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:03:26,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2018-12-09 05:03:26,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:03:26,269 INFO L225 Difference]: With dead ends: 4254 [2018-12-09 05:03:26,269 INFO L226 Difference]: Without dead ends: 2138 [2018-12-09 05:03:26,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:03:26,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2018-12-09 05:03:26,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2138. [2018-12-09 05:03:26,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2138 states. [2018-12-09 05:03:26,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 2637 transitions. [2018-12-09 05:03:26,321 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 2637 transitions. Word has length 91 [2018-12-09 05:03:26,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:03:26,321 INFO L480 AbstractCegarLoop]: Abstraction has 2138 states and 2637 transitions. [2018-12-09 05:03:26,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:03:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2637 transitions. [2018-12-09 05:03:26,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 05:03:26,323 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:03:26,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:03:26,323 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:03:26,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:03:26,324 INFO L82 PathProgramCache]: Analyzing trace with hash -876168600, now seen corresponding path program 1 times [2018-12-09 05:03:26,324 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:03:26,324 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:03:26,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:03:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:03:26,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:03:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:03:26,714 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:03:26,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:03:26,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:03:26,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:03:26,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:03:26,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:03:26,717 INFO L87 Difference]: Start difference. First operand 2138 states and 2637 transitions. Second operand 7 states. [2018-12-09 05:03:26,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:03:26,840 INFO L93 Difference]: Finished difference Result 4118 states and 5084 transitions. [2018-12-09 05:03:26,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 05:03:26,841 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-12-09 05:03:26,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:03:26,848 INFO L225 Difference]: With dead ends: 4118 [2018-12-09 05:03:26,848 INFO L226 Difference]: Without dead ends: 1998 [2018-12-09 05:03:26,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:03:26,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2018-12-09 05:03:26,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1994. [2018-12-09 05:03:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2018-12-09 05:03:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2443 transitions. [2018-12-09 05:03:26,900 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2443 transitions. Word has length 91 [2018-12-09 05:03:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:03:26,901 INFO L480 AbstractCegarLoop]: Abstraction has 1994 states and 2443 transitions. [2018-12-09 05:03:26,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:03:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2443 transitions. [2018-12-09 05:03:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 05:03:26,902 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:03:26,902 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:03:26,903 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:03:26,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:03:26,903 INFO L82 PathProgramCache]: Analyzing trace with hash -864852473, now seen corresponding path program 1 times [2018-12-09 05:03:26,903 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:03:26,903 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:03:26,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:03:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:03:27,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:03:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:03:27,693 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:03:27,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:03:27,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 05:03:27,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 05:03:27,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 05:03:27,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 05:03:27,701 INFO L87 Difference]: Start difference. First operand 1994 states and 2443 transitions. Second operand 4 states. [2018-12-09 05:03:27,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:03:27,775 INFO L93 Difference]: Finished difference Result 3970 states and 4880 transitions. [2018-12-09 05:03:27,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 05:03:27,776 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-09 05:03:27,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:03:27,781 INFO L225 Difference]: With dead ends: 3970 [2018-12-09 05:03:27,781 INFO L226 Difference]: Without dead ends: 1994 [2018-12-09 05:03:27,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:03:27,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2018-12-09 05:03:27,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1994. [2018-12-09 05:03:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2018-12-09 05:03:27,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2435 transitions. [2018-12-09 05:03:27,826 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2435 transitions. Word has length 91 [2018-12-09 05:03:27,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:03:27,826 INFO L480 AbstractCegarLoop]: Abstraction has 1994 states and 2435 transitions. [2018-12-09 05:03:27,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 05:03:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2435 transitions. [2018-12-09 05:03:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 05:03:27,827 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:03:27,828 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:03:27,828 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:03:27,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:03:27,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1376763291, now seen corresponding path program 1 times [2018-12-09 05:03:27,828 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:03:27,829 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:03:27,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:03:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:03:28,519 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:03:28,562 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:03:28,563 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:03:28,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:03:28,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 05:03:28,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 05:03:28,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 05:03:28,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 05:03:28,568 INFO L87 Difference]: Start difference. First operand 1994 states and 2435 transitions. Second operand 6 states. [2018-12-09 05:04:08,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:04:08,922 INFO L93 Difference]: Finished difference Result 5924 states and 7632 transitions. [2018-12-09 05:04:08,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 05:04:08,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2018-12-09 05:04:08,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:04:08,935 INFO L225 Difference]: With dead ends: 5924 [2018-12-09 05:04:08,935 INFO L226 Difference]: Without dead ends: 4843 [2018-12-09 05:04:08,939 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 05:04:08,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4843 states. [2018-12-09 05:04:09,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4843 to 4696. [2018-12-09 05:04:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4696 states. [2018-12-09 05:04:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 6059 transitions. [2018-12-09 05:04:09,056 INFO L78 Accepts]: Start accepts. Automaton has 4696 states and 6059 transitions. Word has length 92 [2018-12-09 05:04:09,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:04:09,057 INFO L480 AbstractCegarLoop]: Abstraction has 4696 states and 6059 transitions. [2018-12-09 05:04:09,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 05:04:09,057 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 6059 transitions. [2018-12-09 05:04:09,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 05:04:09,058 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:04:09,058 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 05:04:09,058 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:04:09,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:04:09,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1747541226, now seen corresponding path program 1 times [2018-12-09 05:04:09,059 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:04:09,059 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:04:09,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:04:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:04:09,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:04:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 05:04:09,362 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:04:09,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:04:09,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:04:09,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:04:09,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:04:09,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:04:09,365 INFO L87 Difference]: Start difference. First operand 4696 states and 6059 transitions. Second operand 3 states. [2018-12-09 05:04:09,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:04:09,464 INFO L93 Difference]: Finished difference Result 9572 states and 12497 transitions. [2018-12-09 05:04:09,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:04:09,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2018-12-09 05:04:09,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:04:09,478 INFO L225 Difference]: With dead ends: 9572 [2018-12-09 05:04:09,478 INFO L226 Difference]: Without dead ends: 4900 [2018-12-09 05:04:09,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:04:09,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4900 states. [2018-12-09 05:04:09,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4900 to 4891. [2018-12-09 05:04:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4891 states. [2018-12-09 05:04:09,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4891 states to 4891 states and 6426 transitions. [2018-12-09 05:04:09,599 INFO L78 Accepts]: Start accepts. Automaton has 4891 states and 6426 transitions. Word has length 106 [2018-12-09 05:04:09,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:04:09,599 INFO L480 AbstractCegarLoop]: Abstraction has 4891 states and 6426 transitions. [2018-12-09 05:04:09,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:04:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 4891 states and 6426 transitions. [2018-12-09 05:04:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 05:04:09,600 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:04:09,601 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:04:09,601 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:04:09,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:04:09,601 INFO L82 PathProgramCache]: Analyzing trace with hash -130443713, now seen corresponding path program 1 times [2018-12-09 05:04:09,601 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:04:09,602 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:04:09,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:04:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:04:09,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:04:09,969 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:04:09,969 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:04:09,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:04:09,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:04:09,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:04:09,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:04:09,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:04:09,972 INFO L87 Difference]: Start difference. First operand 4891 states and 6426 transitions. Second operand 7 states. [2018-12-09 05:04:10,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:04:10,135 INFO L93 Difference]: Finished difference Result 8699 states and 11494 transitions. [2018-12-09 05:04:10,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 05:04:10,136 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2018-12-09 05:04:10,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:04:10,148 INFO L225 Difference]: With dead ends: 8699 [2018-12-09 05:04:10,148 INFO L226 Difference]: Without dead ends: 4766 [2018-12-09 05:04:10,156 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:04:10,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4766 states. [2018-12-09 05:04:10,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4766 to 4758. [2018-12-09 05:04:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4758 states. [2018-12-09 05:04:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4758 states and 6243 transitions. [2018-12-09 05:04:10,271 INFO L78 Accepts]: Start accepts. Automaton has 4758 states and 6243 transitions. Word has length 104 [2018-12-09 05:04:10,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:04:10,271 INFO L480 AbstractCegarLoop]: Abstraction has 4758 states and 6243 transitions. [2018-12-09 05:04:10,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:04:10,271 INFO L276 IsEmpty]: Start isEmpty. Operand 4758 states and 6243 transitions. [2018-12-09 05:04:10,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 05:04:10,272 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:04:10,272 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:04:10,273 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:04:10,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:04:10,273 INFO L82 PathProgramCache]: Analyzing trace with hash 2087314240, now seen corresponding path program 1 times [2018-12-09 05:04:10,273 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:04:10,273 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:04:10,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:04:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:04:11,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:04:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:04:11,030 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:04:11,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:04:11,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:04:11,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:04:11,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:04:11,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:04:11,036 INFO L87 Difference]: Start difference. First operand 4758 states and 6243 transitions. Second operand 3 states. [2018-12-09 05:04:11,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:04:11,197 INFO L93 Difference]: Finished difference Result 6849 states and 9055 transitions. [2018-12-09 05:04:11,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:04:11,199 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-12-09 05:04:11,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:04:11,211 INFO L225 Difference]: With dead ends: 6849 [2018-12-09 05:04:11,211 INFO L226 Difference]: Without dead ends: 4855 [2018-12-09 05:04:11,216 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:04:11,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4855 states. [2018-12-09 05:04:11,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4855 to 4762. [2018-12-09 05:04:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4762 states. [2018-12-09 05:04:11,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4762 states to 4762 states and 6247 transitions. [2018-12-09 05:04:11,313 INFO L78 Accepts]: Start accepts. Automaton has 4762 states and 6247 transitions. Word has length 104 [2018-12-09 05:04:11,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:04:11,313 INFO L480 AbstractCegarLoop]: Abstraction has 4762 states and 6247 transitions. [2018-12-09 05:04:11,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:04:11,313 INFO L276 IsEmpty]: Start isEmpty. Operand 4762 states and 6247 transitions. [2018-12-09 05:04:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 05:04:11,314 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:04:11,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:04:11,315 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:04:11,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:04:11,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1462421727, now seen corresponding path program 1 times [2018-12-09 05:04:11,315 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:04:11,316 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:04:11,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:04:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:04:12,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:04:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:04:12,087 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 05:04:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:04:12,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 05:04:12,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 05:04:12,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 05:04:12,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 05:04:12,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 05:04:12,251 INFO L87 Difference]: Start difference. First operand 4762 states and 6247 transitions. Second operand 10 states. [2018-12-09 05:05:33,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:05:33,799 INFO L93 Difference]: Finished difference Result 23389 states and 33156 transitions. [2018-12-09 05:05:33,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 05:05:33,801 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2018-12-09 05:05:33,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:05:33,855 INFO L225 Difference]: With dead ends: 23389 [2018-12-09 05:05:33,855 INFO L226 Difference]: Without dead ends: 20909 [2018-12-09 05:05:33,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2018-12-09 05:05:33,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20909 states. [2018-12-09 05:05:34,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20909 to 20650. [2018-12-09 05:05:34,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20650 states. [2018-12-09 05:05:34,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20650 states to 20650 states and 29584 transitions. [2018-12-09 05:05:34,416 INFO L78 Accepts]: Start accepts. Automaton has 20650 states and 29584 transitions. Word has length 106 [2018-12-09 05:05:34,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:05:34,416 INFO L480 AbstractCegarLoop]: Abstraction has 20650 states and 29584 transitions. [2018-12-09 05:05:34,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 05:05:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 20650 states and 29584 transitions. [2018-12-09 05:05:34,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 05:05:34,418 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:05:34,418 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:05:34,419 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:05:34,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:05:34,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1791729388, now seen corresponding path program 1 times [2018-12-09 05:05:34,419 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:05:34,419 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:05:34,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:05:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:05:34,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:05:34,723 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:05:34,723 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:05:34,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:05:34,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:05:34,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:05:34,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:05:34,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:05:34,726 INFO L87 Difference]: Start difference. First operand 20650 states and 29584 transitions. Second operand 5 states. [2018-12-09 05:05:37,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:05:37,355 INFO L93 Difference]: Finished difference Result 41514 states and 59406 transitions. [2018-12-09 05:05:37,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:05:37,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2018-12-09 05:05:37,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:05:37,414 INFO L225 Difference]: With dead ends: 41514 [2018-12-09 05:05:37,414 INFO L226 Difference]: Without dead ends: 20858 [2018-12-09 05:05:37,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:05:37,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20858 states. [2018-12-09 05:05:38,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20858 to 20700. [2018-12-09 05:05:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20700 states. [2018-12-09 05:05:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20700 states to 20700 states and 29630 transitions. [2018-12-09 05:05:38,058 INFO L78 Accepts]: Start accepts. Automaton has 20700 states and 29630 transitions. Word has length 156 [2018-12-09 05:05:38,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:05:38,058 INFO L480 AbstractCegarLoop]: Abstraction has 20700 states and 29630 transitions. [2018-12-09 05:05:38,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:05:38,058 INFO L276 IsEmpty]: Start isEmpty. Operand 20700 states and 29630 transitions. [2018-12-09 05:05:38,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 05:05:38,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:05:38,060 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:05:38,060 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:05:38,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:05:38,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1867598771, now seen corresponding path program 1 times [2018-12-09 05:05:38,061 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:05:38,061 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:05:38,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:05:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:05:38,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:05:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:05:38,375 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:05:38,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:05:38,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:05:38,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:05:38,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:05:38,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:05:38,378 INFO L87 Difference]: Start difference. First operand 20700 states and 29630 transitions. Second operand 7 states. [2018-12-09 05:05:38,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:05:38,910 INFO L93 Difference]: Finished difference Result 34692 states and 50031 transitions. [2018-12-09 05:05:38,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 05:05:38,911 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 126 [2018-12-09 05:05:38,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:05:38,951 INFO L225 Difference]: With dead ends: 34692 [2018-12-09 05:05:38,951 INFO L226 Difference]: Without dead ends: 14018 [2018-12-09 05:05:38,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 05:05:39,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14018 states. [2018-12-09 05:05:39,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14018 to 13888. [2018-12-09 05:05:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13888 states. [2018-12-09 05:05:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13888 states to 13888 states and 18978 transitions. [2018-12-09 05:05:39,348 INFO L78 Accepts]: Start accepts. Automaton has 13888 states and 18978 transitions. Word has length 126 [2018-12-09 05:05:39,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:05:39,348 INFO L480 AbstractCegarLoop]: Abstraction has 13888 states and 18978 transitions. [2018-12-09 05:05:39,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:05:39,348 INFO L276 IsEmpty]: Start isEmpty. Operand 13888 states and 18978 transitions. [2018-12-09 05:05:39,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 05:05:39,350 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:05:39,350 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:05:39,350 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:05:39,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:05:39,350 INFO L82 PathProgramCache]: Analyzing trace with hash 556266145, now seen corresponding path program 1 times [2018-12-09 05:05:39,351 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:05:39,351 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:05:39,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:05:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:05:40,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:05:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:05:40,043 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:05:40,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:05:40,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 05:05:40,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 05:05:40,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 05:05:40,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 05:05:40,049 INFO L87 Difference]: Start difference. First operand 13888 states and 18978 transitions. Second operand 4 states. [2018-12-09 05:05:40,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:05:40,413 INFO L93 Difference]: Finished difference Result 27816 states and 39250 transitions. [2018-12-09 05:05:40,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 05:05:40,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2018-12-09 05:05:40,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:05:40,446 INFO L225 Difference]: With dead ends: 27816 [2018-12-09 05:05:40,446 INFO L226 Difference]: Without dead ends: 13910 [2018-12-09 05:05:40,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:05:40,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13910 states. [2018-12-09 05:05:40,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13910 to 13910. [2018-12-09 05:05:40,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13910 states. [2018-12-09 05:05:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13910 states to 13910 states and 19000 transitions. [2018-12-09 05:05:40,821 INFO L78 Accepts]: Start accepts. Automaton has 13910 states and 19000 transitions. Word has length 131 [2018-12-09 05:05:40,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:05:40,821 INFO L480 AbstractCegarLoop]: Abstraction has 13910 states and 19000 transitions. [2018-12-09 05:05:40,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 05:05:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 13910 states and 19000 transitions. [2018-12-09 05:05:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 05:05:40,823 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:05:40,823 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:05:40,823 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:05:40,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:05:40,823 INFO L82 PathProgramCache]: Analyzing trace with hash 44982954, now seen corresponding path program 1 times [2018-12-09 05:05:40,823 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:05:40,824 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:05:40,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:05:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:05:41,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:05:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:05:41,610 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 05:05:41,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:05:41,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 05:05:41,777 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 05:05:41,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:05:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:05:41,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:05:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 05:05:42,028 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:05:42,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 05:05:42,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2018-12-09 05:05:42,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 05:05:42,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 05:05:42,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-12-09 05:05:42,046 INFO L87 Difference]: Start difference. First operand 13910 states and 19000 transitions. Second operand 11 states. [2018-12-09 05:05:42,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:05:42,668 INFO L93 Difference]: Finished difference Result 28279 states and 40041 transitions. [2018-12-09 05:05:42,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 05:05:42,669 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2018-12-09 05:05:42,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:05:42,699 INFO L225 Difference]: With dead ends: 28279 [2018-12-09 05:05:42,700 INFO L226 Difference]: Without dead ends: 14307 [2018-12-09 05:05:42,729 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 384 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-12-09 05:05:42,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14307 states. [2018-12-09 05:05:43,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14307 to 13976. [2018-12-09 05:05:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13976 states. [2018-12-09 05:05:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13976 states to 13976 states and 19031 transitions. [2018-12-09 05:05:43,111 INFO L78 Accepts]: Start accepts. Automaton has 13976 states and 19031 transitions. Word has length 132 [2018-12-09 05:05:43,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:05:43,112 INFO L480 AbstractCegarLoop]: Abstraction has 13976 states and 19031 transitions. [2018-12-09 05:05:43,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 05:05:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 13976 states and 19031 transitions. [2018-12-09 05:05:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 05:05:43,113 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:05:43,113 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 05:05:43,114 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:05:43,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:05:43,114 INFO L82 PathProgramCache]: Analyzing trace with hash 450749642, now seen corresponding path program 1 times [2018-12-09 05:05:43,115 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:05:43,115 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:05:43,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:05:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:05:43,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:05:43,381 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 05:05:43,381 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 05:05:43,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:05:43,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:05:43,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:05:43,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:05:43,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:05:43,384 INFO L87 Difference]: Start difference. First operand 13976 states and 19031 transitions. Second operand 3 states. [2018-12-09 05:05:43,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:05:43,722 INFO L93 Difference]: Finished difference Result 27339 states and 37784 transitions. [2018-12-09 05:05:43,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:05:43,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-12-09 05:05:43,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:05:43,754 INFO L225 Difference]: With dead ends: 27339 [2018-12-09 05:05:43,754 INFO L226 Difference]: Without dead ends: 13816 [2018-12-09 05:05:43,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:05:43,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13816 states. [2018-12-09 05:05:44,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13816 to 13619. [2018-12-09 05:05:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13619 states. [2018-12-09 05:05:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13619 states to 13619 states and 18530 transitions. [2018-12-09 05:05:44,129 INFO L78 Accepts]: Start accepts. Automaton has 13619 states and 18530 transitions. Word has length 125 [2018-12-09 05:05:44,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:05:44,130 INFO L480 AbstractCegarLoop]: Abstraction has 13619 states and 18530 transitions. [2018-12-09 05:05:44,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:05:44,130 INFO L276 IsEmpty]: Start isEmpty. Operand 13619 states and 18530 transitions. [2018-12-09 05:05:44,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 05:05:44,131 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:05:44,131 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 05:05:44,131 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:05:44,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:05:44,132 INFO L82 PathProgramCache]: Analyzing trace with hash 426887877, now seen corresponding path program 1 times [2018-12-09 05:05:44,132 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 05:05:44,132 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c21e6e7-e793-4651-ac43-cd99087ab80f/bin-2019/utaipan/cvc4 Starting monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 05:05:44,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:07:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:08:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:08:48,869 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 05:08:48,949 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~can_bittiming_const?name~ARRAY#_unrecognizedDimensions_~CHAR#?tseg1_min~~__u32~0?tseg1_max~~__u32~0?tseg2_min~~__u32~0?tseg2_max~~__u32~0?sjw_max~~__u32~0?brp_min~~__u32~0?brp_max~~__u32~0?brp_inc~~__u32~0# [2018-12-09 05:08:48,949 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType ARRAY#_unrecognizedDimensions_~STRUCT~~usb_device_id?match_flags~~__u16~0?idVendor~~__u16~0?idProduct~~__u16~0?bcdDevice_lo~~__u16~0?bcdDevice_hi~~__u16~0?bDeviceClass~~__u8~0?bDeviceSubClass~~__u8~0?bDeviceProtocol~~__u8~0?bInterfaceClass~~__u8~0?bInterfaceSubClass~~__u8~0?bInterfaceProtocol~~__u8~0?driver_info~~kernel_ulong_t~0## [2018-12-09 05:08:48,950 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~usb_driver?name~*CHAR?probe~*((*usb_interface *usb_device_id ) : INT)?disconnect~*((*usb_interface ) : VOID)?unlocked_ioctl~*((*usb_interface UINT *VOID ) : INT)?suspend~*((*usb_interface ~pm_message_t~0 ) : INT)?resume~*((*usb_interface ) : INT)?reset_resume~*((*usb_interface ) : INT)?pre_reset~*((*usb_interface ) : INT)?post_reset~*((*usb_interface ) : INT)?id_table~*usb_device_id?dynids~STRUCT~~usb_dynids?lock~~spinlock_t~0?list~STRUCT~~list_head?next~*list_head?prev~*list_head##?drvwrap~STRUCT~~usbdrv_wrap?driver~STRUCT~~device_driver?name~*CHAR?bus~*bus_type?owner~*module?mod_name~*CHAR?suppress_bind_attrs~~bool~0?of_match_table~*of_device_id?probe~*((*device ) : INT)?remove~*((*device ) : INT)?shutdown~*((*device ) : VOID)?suspend~*((*device ~pm_message_t~0 ) : INT)?resume~*((*device ) : INT)?groups~**attribute_group?pm~*dev_pm_ops?p~*driver_private#?for_devices~INT#?no_dynamic_id~UINT?supports_autosuspend~UINT?soft_unbind~UINT# [2018-12-09 05:08:48,950 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_unrecognizedDimensions_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-09 05:08:48,950 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_unrecognizedDimensions_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-09 05:08:48,950 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~usb_driver?name~*CHAR?probe~*((*usb_interface *usb_device_id ) : INT)?disconnect~*((*usb_interface ) : VOID)?unlocked_ioctl~*((*usb_interface UINT *VOID ) : INT)?suspend~*((*usb_interface ~pm_message_t~0 ) : INT)?resume~*((*usb_interface ) : INT)?reset_resume~*((*usb_interface ) : INT)?pre_reset~*((*usb_interface ) : INT)?post_reset~*((*usb_interface ) : INT)?id_table~*usb_device_id?dynids~STRUCT~~usb_dynids?lock~~spinlock_t~0?list~STRUCT~~list_head?next~*list_head?prev~*list_head##?drvwrap~STRUCT~~usbdrv_wrap?driver~STRUCT~~device_driver?name~*CHAR?bus~*bus_type?owner~*module?mod_name~*CHAR?suppress_bind_attrs~~bool~0?of_match_table~*of_device_id?probe~*((*device ) : INT)?remove~*((*device ) : INT)?shutdown~*((*device ) : VOID)?suspend~*((*device ~pm_message_t~0 ) : INT)?resume~*((*device ) : INT)?groups~**attribute_group?pm~*dev_pm_ops?p~*driver_private#?for_devices~INT#?no_dynamic_id~UINT?supports_autosuspend~UINT?soft_unbind~UINT# [2018-12-09 05:08:48,950 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_unrecognizedDimensions_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-09 05:08:48,951 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_unrecognizedDimensions_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-09 05:08:48,951 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType ARRAY#_unrecognizedDimensions_~STRUCT~~usb_device_id?match_flags~~__u16~0?idVendor~~__u16~0?idProduct~~__u16~0?bcdDevice_lo~~__u16~0?bcdDevice_hi~~__u16~0?bDeviceClass~~__u8~0?bDeviceSubClass~~__u8~0?bDeviceProtocol~~__u8~0?bInterfaceClass~~__u8~0?bInterfaceSubClass~~__u8~0?bInterfaceProtocol~~__u8~0?driver_info~~kernel_ulong_t~0## [2018-12-09 05:08:48,951 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_setup_tc~*((*net_device ~u8~0 ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_ddp_target~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)?ndo_rx_flow_steer~*((*net_device *sk_buff ~u16~0 ~u32~0 ) : INT)?ndo_add_slave~*((*net_device *net_device ) : INT)?ndo_del_slave~*((*net_device *net_device ) : INT)?ndo_fix_features~*((*net_device ~u32~0 ) : ~u32~0)?ndo_set_features~*((*net_device ~u32~0 ) : INT)# [2018-12-09 05:08:48,951 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~can_bittiming_const?name~ARRAY#_unrecognizedDimensions_~CHAR#?tseg1_min~~__u32~0?tseg1_max~~__u32~0?tseg2_min~~__u32~0?tseg2_max~~__u32~0?sjw_max~~__u32~0?brp_min~~__u32~0?brp_max~~__u32~0?brp_inc~~__u32~0# [2018-12-09 05:08:48,952 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_setup_tc~*((*net_device ~u8~0 ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_ddp_target~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)?ndo_rx_flow_steer~*((*net_device *sk_buff ~u16~0 ~u32~0 ) : INT)?ndo_add_slave~*((*net_device *net_device ) : INT)?ndo_del_slave~*((*net_device *net_device ) : INT)?ndo_fix_features~*((*net_device ~u32~0 ) : ~u32~0)?ndo_set_features~*((*net_device ~u32~0 ) : INT)# [2018-12-09 05:08:49,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:08:49 BoogieIcfgContainer [2018-12-09 05:08:49,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 05:08:49,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:08:49,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:08:49,010 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:08:49,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:03:24" (3/4) ... [2018-12-09 05:08:49,013 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 05:08:49,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:08:49,013 INFO L168 Benchmark]: Toolchain (without parser) took 350486.86 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 932.6 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 448.8 MB. Max. memory is 11.5 GB. [2018-12-09 05:08:49,014 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-12-09 05:08:49,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1078.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 932.6 MB in the beginning and 946.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 173.0 MB. Max. memory is 11.5 GB. [2018-12-09 05:08:49,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.54 ms. Allocated memory is still 1.2 GB. Free memory was 946.6 MB in the beginning and 941.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 05:08:49,015 INFO L168 Benchmark]: Boogie Preprocessor took 80.00 ms. Allocated memory is still 1.2 GB. Free memory was 941.3 MB in the beginning and 927.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-09 05:08:49,016 INFO L168 Benchmark]: RCFGBuilder took 25171.10 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 927.1 MB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-09 05:08:49,016 INFO L168 Benchmark]: TraceAbstraction took 324103.04 ms. Allocated memory was 2.9 GB in the beginning and 2.8 GB in the end (delta: -70.8 MB). Free memory was 2.8 GB in the beginning and 2.3 GB in the end (delta: 475.5 MB). Peak memory consumption was 404.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:08:49,016 INFO L168 Benchmark]: Witness Printer took 3.48 ms. Allocated memory is still 2.8 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:08:49,018 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1078.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 932.6 MB in the beginning and 946.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 173.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.54 ms. Allocated memory is still 1.2 GB. Free memory was 946.6 MB in the beginning and 941.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.00 ms. Allocated memory is still 1.2 GB. Free memory was 941.3 MB in the beginning and 927.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 25171.10 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 927.1 MB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * TraceAbstraction took 324103.04 ms. Allocated memory was 2.9 GB in the beginning and 2.8 GB in the end (delta: -70.8 MB). Free memory was 2.8 GB in the beginning and 2.3 GB in the end (delta: 475.5 MB). Peak memory consumption was 404.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.48 ms. Allocated memory is still 2.8 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~can_bittiming_const?name~ARRAY#_unrecognizedDimensions_~CHAR#?tseg1_min~~__u32~0?tseg1_max~~__u32~0?tseg2_min~~__u32~0?tseg2_max~~__u32~0?sjw_max~~__u32~0?brp_min~~__u32~0?brp_max~~__u32~0?brp_inc~~__u32~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType ARRAY#_unrecognizedDimensions_~STRUCT~~usb_device_id?match_flags~~__u16~0?idVendor~~__u16~0?idProduct~~__u16~0?bcdDevice_lo~~__u16~0?bcdDevice_hi~~__u16~0?bDeviceClass~~__u8~0?bDeviceSubClass~~__u8~0?bDeviceProtocol~~__u8~0?bInterfaceClass~~__u8~0?bInterfaceSubClass~~__u8~0?bInterfaceProtocol~~__u8~0?driver_info~~kernel_ulong_t~0## - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~usb_driver?name~*CHAR?probe~*((*usb_interface *usb_device_id ) : INT)?disconnect~*((*usb_interface ) : VOID)?unlocked_ioctl~*((*usb_interface UINT *VOID ) : INT)?suspend~*((*usb_interface ~pm_message_t~0 ) : INT)?resume~*((*usb_interface ) : INT)?reset_resume~*((*usb_interface ) : INT)?pre_reset~*((*usb_interface ) : INT)?post_reset~*((*usb_interface ) : INT)?id_table~*usb_device_id?dynids~STRUCT~~usb_dynids?lock~~spinlock_t~0?list~STRUCT~~list_head?next~*list_head?prev~*list_head##?drvwrap~STRUCT~~usbdrv_wrap?driver~STRUCT~~device_driver?name~*CHAR?bus~*bus_type?owner~*module?mod_name~*CHAR?suppress_bind_attrs~~bool~0?of_match_table~*of_device_id?probe~*((*device ) : INT)?remove~*((*device ) : INT)?shutdown~*((*device ) : VOID)?suspend~*((*device ~pm_message_t~0 ) : INT)?resume~*((*device ) : INT)?groups~**attribute_group?pm~*dev_pm_ops?p~*driver_private#?for_devices~INT#?no_dynamic_id~UINT?supports_autosuspend~UINT?soft_unbind~UINT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_unrecognizedDimensions_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_unrecognizedDimensions_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~usb_driver?name~*CHAR?probe~*((*usb_interface *usb_device_id ) : INT)?disconnect~*((*usb_interface ) : VOID)?unlocked_ioctl~*((*usb_interface UINT *VOID ) : INT)?suspend~*((*usb_interface ~pm_message_t~0 ) : INT)?resume~*((*usb_interface ) : INT)?reset_resume~*((*usb_interface ) : INT)?pre_reset~*((*usb_interface ) : INT)?post_reset~*((*usb_interface ) : INT)?id_table~*usb_device_id?dynids~STRUCT~~usb_dynids?lock~~spinlock_t~0?list~STRUCT~~list_head?next~*list_head?prev~*list_head##?drvwrap~STRUCT~~usbdrv_wrap?driver~STRUCT~~device_driver?name~*CHAR?bus~*bus_type?owner~*module?mod_name~*CHAR?suppress_bind_attrs~~bool~0?of_match_table~*of_device_id?probe~*((*device ) : INT)?remove~*((*device ) : INT)?shutdown~*((*device ) : VOID)?suspend~*((*device ~pm_message_t~0 ) : INT)?resume~*((*device ) : INT)?groups~**attribute_group?pm~*dev_pm_ops?p~*driver_private#?for_devices~INT#?no_dynamic_id~UINT?supports_autosuspend~UINT?soft_unbind~UINT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_unrecognizedDimensions_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_unrecognizedDimensions_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType ARRAY#_unrecognizedDimensions_~STRUCT~~usb_device_id?match_flags~~__u16~0?idVendor~~__u16~0?idProduct~~__u16~0?bcdDevice_lo~~__u16~0?bcdDevice_hi~~__u16~0?bDeviceClass~~__u8~0?bDeviceSubClass~~__u8~0?bDeviceProtocol~~__u8~0?bInterfaceClass~~__u8~0?bInterfaceSubClass~~__u8~0?bInterfaceProtocol~~__u8~0?driver_info~~kernel_ulong_t~0## - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_setup_tc~*((*net_device ~u8~0 ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_ddp_target~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)?ndo_rx_flow_steer~*((*net_device *sk_buff ~u16~0 ~u32~0 ) : INT)?ndo_add_slave~*((*net_device *net_device ) : INT)?ndo_del_slave~*((*net_device *net_device ) : INT)?ndo_fix_features~*((*net_device ~u32~0 ) : ~u32~0)?ndo_set_features~*((*net_device ~u32~0 ) : INT)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~can_bittiming_const?name~ARRAY#_unrecognizedDimensions_~CHAR#?tseg1_min~~__u32~0?tseg1_max~~__u32~0?tseg2_min~~__u32~0?tseg2_max~~__u32~0?sjw_max~~__u32~0?brp_min~~__u32~0?brp_max~~__u32~0?brp_inc~~__u32~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_setup_tc~*((*net_device ~u8~0 ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_ddp_target~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)?ndo_rx_flow_steer~*((*net_device *sk_buff ~u16~0 ~u32~0 ) : INT)?ndo_add_slave~*((*net_device *net_device ) : INT)?ndo_del_slave~*((*net_device *net_device ) : INT)?ndo_fix_features~*((*net_device ~u32~0 ) : ~u32~0)?ndo_set_features~*((*net_device ~u32~0 ) : INT)# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6742]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 5131. Possible FailurePath: [L5137] static struct lock_class_key __key___7 ; [L5138] static struct lock_class_key __key___8 ; [L5278-L5291] static char const __mod_author31[46] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'a', (char const )'u', (char const )'t', (char const )'h', (char const )'o', (char const )'r', (char const )'=', (char const )'S', (char const )'e', (char const )'b', (char const )'a', (char const )'s', (char const )'t', (char const )'i', (char const )'a', (char const )'n', (char const )' ', (char const )'H', (char const )'a', (char const )'a', (char const )'s', (char const )' ', (char const )'<', (char const )'h', (char const )'a', (char const )'a', (char const )'s', (char const )'@', (char const )'e', (char const )'m', (char const )'s', (char const )'-', (char const )'w', (char const )'u', (char const )'e', (char const )'n', (char const )'s', (char const )'c', (char const )'h', (char const )'e', (char const )'.', (char const )'c', (char const )'o', (char const )'m', (char const )'>', (char const )'\000'}; [L5292-L5311] static char const __mod_description32[70] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'d', (char const )'e', (char const )'s', (char const )'c', (char const )'r', (char const )'i', (char const )'p', (char const )'t', (char const )'i', (char const )'o', (char const )'n', (char const )'=', (char const )'C', (char const )'A', (char const )'N', (char const )' ', (char const )'d', (char const )'r', (char const )'i', (char const )'v', (char const )'e', (char const )'r', (char const )' ', (char const )'f', (char const )'o', (char const )'r', (char const )' ', (char const )'E', (char const )'M', (char const )'S', (char const )' ', (char const )'D', (char const )'r', (char const )'.', (char const )' ', (char const )'T', (char const )'h', (char const )'o', (char const )'m', (char const )'a', (char const )'s', (char const )' ', (char const )'W', (char const )'u', (char const )'e', (char const )'n', (char const )'s', (char const )'c', (char const )'h', (char const )'e', (char const )' ', (char const )'C', (char const )'A', (char const )'N', (char const )'/', (char const )'U', (char const )'S', (char const )'B', (char const )' ', (char const )'i', (char const )'n', (char const )'t', (char const )'e', (char const )'r', (char const )'f', (char const )'a', (char const )'c', (char const )'e', (char const )'s', (char const )'\000'}; [L5312-L5317] static char const __mod_license33[15] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'l', (char const )'i', (char const )'c', (char const )'e', (char const )'n', (char const )'s', (char const )'e', (char const )'=', (char const )'G', (char const )'P', (char const )'L', (char const )' ', (char const )'v', (char const )'2', (char const )'\000'}; [L5318-L5320] static struct usb_device_id ems_usb_table[1] = { {(__u16 )3, (__u16 )4822, (__u16 )1092, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L6235-L6275] static struct net_device_ops const ems_usb_netdev_ops = {(int (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, & ems_usb_open, & ems_usb_close, & ems_usb_start_xmit, (u16 (*)(struct net_device *dev , struct sk_buff *skb ))0, (void (*)(struct net_device *dev , int flags ))0, (void (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , void *addr ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct ifreq *ifr , int cmd ))0, (int (*)(struct net_device *dev , struct ifmap *map ))0, (int (*)(struct net_device *dev , int new_mtu ))0, (int (*)(struct net_device *dev , struct neigh_parms * ))0, (void (*)(struct net_device *dev ))0, (struct rtnl_link_stats64 *(*)(struct net_device *dev , struct rtnl_link_stats64 *storage ))0, (struct net_device_stats *(*)(struct net_device *dev ))0, (void (*)(struct net_device *dev , struct vlan_group *grp ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct netpoll_info *info ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , int queue , u8 *mac ))0, (int (*)(struct net_device *dev , int queue , u16 vlan , u8 qos ))0, (int (*)(struct net_device *dev , int vf , int rate ))0, (int (*)(struct net_device *dev , int vf , struct ifla_vf_info *ivf ))0, (int (*)(struct net_device *dev , int vf , struct nlattr **port ))0, (int (*)(struct net_device *dev , int vf , struct sk_buff *skb ))0, (int (*)(struct net_device *dev , u8 tc ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u16 xid ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u64 *wwn , int type ))0, (int (*)(struct net_device *dev , struct sk_buff const *skb , u16 rxq_index , u32 flow_id ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (u32 (*)(struct net_device *dev , u32 features ))0, (int (*)(struct net_device *dev , u32 features ))0}; [L6276-L6280] static struct can_bittiming_const ems_usb_bittiming_const = {{(char )'e', (char )'m', (char )'s', (char )'_', (char )'u', (char )'s', (char )'b', (char )'\000', (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, (__u32 )1, (__u32 )16, (__u32 )1, (__u32 )8, (__u32 )4, (__u32 )1, (__u32 )64, (__u32 )1}; [L6531-L6549] static struct usb_driver ems_usb_driver = {"ems_usb", & ems_usb_probe, & ems_usb_disconnect, (int (*)(struct usb_interface *intf , unsigned int code , void *buf ))0, (int (*)(struct usb_interface *intf , pm_message_t message ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (struct usb_device_id const *)(ems_usb_table), {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}, {{(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device *dev ))0, (int (*)(struct device *dev ))0, (void (*)(struct device *dev ))0, (int (*)(struct device *dev , pm_message_t state ))0, (int (*)(struct device *dev ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, 0}, 0U, 0U, 0U}; [L6602] int LDV_IN_INTERRUPT ; [L6603] static int res_ems_usb_open_10 ; [L6604] static int res_ems_usb_close_12 ; [L6605] static int res_ems_usb_probe_16 ; [L6755] int ldv_urb_state = 0; [L6756] int ldv_coherent_state = 0; VAL [\old(__key___7)=null, \old(__key___7)=null, \old(__key___8)=null, \old(__key___8)=null, \old(ems_usb_bittiming_const)=null, \old(ems_usb_bittiming_const)=null, \old(ems_usb_driver)=null, \old(ems_usb_driver)=null, \old(ems_usb_netdev_ops)=null, \old(ems_usb_netdev_ops)=null, \old(ems_usb_table)=null, \old(ems_usb_table)=null, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6607] struct net_device *var_group1 ; [L6608] struct sk_buff *var_group2 ; [L6609] struct usb_interface *var_group3 ; [L6610] struct usb_device_id const *var_ems_usb_probe_16_p1 ; [L6611] int tmp___7 ; [L6612] int ldv_s_ems_usb_netdev_ops_net_device_ops ; [L6613] int ldv_s_ems_usb_driver_usb_driver ; [L6614] int tmp___8 ; [L6615] int tmp___9 ; [L6618] LDV_IN_INTERRUPT = 1 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6619] FCALL ldv_initialize() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6620] CALL, EXPR ems_usb_init() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6553] int err ; [L6557] CALL, EXPR usb_register(& ems_usb_driver) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, driver={1:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L5128] int tmp___7 ; VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, driver={1:0}, driver={1:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L5131] CALL, EXPR usb_register_driver(driver, & __this_module, "ems_usb") VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, arg0={1:0}, arg1={0:0}, arg2={-67108867:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L7012] return __VERIFIER_nondet_int(); [L5131] RET, EXPR usb_register_driver(driver, & __this_module, "ems_usb") VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, driver={1:0}, driver={1:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, usb_register_driver(driver, & __this_module, "ems_usb")=0] [L5131] tmp___7 = usb_register_driver(driver, & __this_module, "ems_usb") [L5133] return (tmp___7); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, driver={1:0}, driver={1:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0] [L6557] RET, EXPR usb_register(& ems_usb_driver) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, usb_register(& ems_usb_driver)=0] [L6557] err = usb_register(& ems_usb_driver) [L6559] COND FALSE !(\read(err)) [L6566] return (0); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, err=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6620] RET, EXPR ems_usb_init() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_init()=0, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6620] tmp___7 = ems_usb_init() [L6622] COND FALSE !(\read(tmp___7)) [L6626] ldv_s_ems_usb_netdev_ops_net_device_ops = 0 [L6627] ldv_s_ems_usb_driver_usb_driver = 0 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0] [L6629] COND TRUE 1 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0] [L6632] tmp___9 = __VERIFIER_nondet_int() [L6634] COND TRUE \read(tmp___9) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___9=1] [L6643] tmp___8 = __VERIFIER_nondet_int() [L6645] COND FALSE !(tmp___8 == 0) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1] [L6648] COND FALSE !(tmp___8 == 1) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1] [L6651] COND TRUE tmp___8 == 2 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1] [L6692] CALL ems_usb_start_xmit(var_group2, var_group1) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={2147221497:-410}] [L6036] struct ems_usb *dev ; [L6037] void *tmp___7 ; [L6038] struct ems_tx_urb_context *context ; [L6039] struct net_device_stats *stats ; [L6040] struct can_frame *cf ; [L6041] struct ems_cpc_msg *msg ; [L6042] struct urb *urb ; [L6043] u8 *buf ; [L6044] int i ; [L6045] int err ; [L6046] size_t size ; [L6047] int tmp___8 ; [L6048] void *tmp___9 ; [L6049] unsigned int tmp___10 ; [L6050] int tmp___11 ; [L6051] long tmp___12 ; VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={2147221497:-410}, skb={2147221497:-410}] [L6054] CALL, EXPR netdev_priv((struct net_device const *)netdev) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, dev={0:-2952}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L4964] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result={0:-520}, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6054] RET, EXPR netdev_priv((struct net_device const *)netdev) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-2952}, netdev={0:-2952}, netdev_priv((struct net_device const *)netdev)={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={2147221497:-410}, skb={2147221497:-410}] [L6054] tmp___7 = netdev_priv((struct net_device const *)netdev) [L6055] dev = (struct ems_usb *)tmp___7 [L6056] context = (struct ems_tx_urb_context *)((void *)0) [L6057] stats = & netdev->stats [L6058] EXPR skb->data [L6058] cf = (struct can_frame *)skb->data [L6059] size = 15UL + sizeof(struct cpc_can_msg ) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}] [L6060] CALL, EXPR can_dropped_invalid_skb(netdev, skb) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, dev={0:-2952}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={2147221497:-410}] [L5240] struct can_frame const *cf ; [L5241] int tmp___7 ; [L5242] long tmp___8 ; [L5244] EXPR skb->data [L5244] cf = (struct can_frame const *)((struct can_frame *)skb->data) [L5245] EXPR skb->len VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, cf={2147221497:-195}, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={2147221497:-410}, skb={2147221497:-410}, skb->len=13] [L5245] COND FALSE !((unsigned long )skb->len != sizeof(*cf)) [L5248] EXPR cf->can_dlc VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, cf={2147221497:-195}, cf->can_dlc=7, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={2147221497:-410}, skb={2147221497:-410}] [L5248] COND FALSE !((int const )cf->can_dlc > 8) [L5251] tmp___7 = 0 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, cf={2147221497:-195}, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={2147221497:-410}, skb={2147221497:-410}, tmp___7=0] [L5254] tmp___8 = __builtin_expect((long )tmp___7, 0L) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, cf={2147221497:-195}, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={2147221497:-410}, skb={2147221497:-410}, tmp___7=0, tmp___8=0] [L5256] COND FALSE !(\read(tmp___8)) [L5264] return (0); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, cf={2147221497:-195}, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={2147221497:-410}, skb={2147221497:-410}, tmp___7=0, tmp___8=0] [L6060] RET, EXPR can_dropped_invalid_skb(netdev, skb) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, can_dropped_invalid_skb(netdev, skb)=0, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}] [L6060] tmp___8 = can_dropped_invalid_skb(netdev, skb) [L6062] COND FALSE !(\read(tmp___8)) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0] [L6067] CALL, EXPR usb_alloc_urb(0, 32U) VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6818] void *arbitrary_memory ; [L6819] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6822] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6825] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6969] CALL, EXPR external_alloc() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L7030] return __VERIFIER_nondet_pointer(); [L6969] RET, EXPR external_alloc() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, external_alloc()={2147221497:-298}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6969] return (void *)external_alloc(); [L6825] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={2147221497:-298}, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6825] tmp___7 = ldv_undefined_pointer() [L6826] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, arbitrary_memory={2147221497:-298}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7={2147221497:-298}] [L6828] COND FALSE !(! arbitrary_memory) [L6832] ldv_urb_state = ldv_urb_state + 1 [L6833] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result={2147221497:-298}, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, arbitrary_memory={2147221497:-298}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7={2147221497:-298}] [L6067] RET, EXPR usb_alloc_urb(0, 32U) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, usb_alloc_urb(0, 32U)={2147221497:-298}] [L6067] urb = usb_alloc_urb(0, 32U) [L6069] COND FALSE !(! urb) [L6077] EXPR dev->udev VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, dev->udev={1:998051630}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, urb={2147221497:-298}] [L6077] CALL, EXPR usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, dev={1:998051630}, dma={2147221497:-194}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6761] void *arbitrary_memory ; [L6762] void *tmp___7 ; VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, dev={1:998051630}, dev={1:998051630}, dma={2147221497:-194}, dma={2147221497:-194}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6765] COND TRUE 1 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, dev={1:998051630}, dev={1:998051630}, dma={2147221497:-194}, dma={2147221497:-194}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6768] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6969] CALL, EXPR external_alloc() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L7030] return __VERIFIER_nondet_pointer(); [L6969] RET, EXPR external_alloc() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, external_alloc()={2147221497:-199}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6969] return (void *)external_alloc(); [L6768] RET, EXPR ldv_undefined_pointer() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, dev={1:998051630}, dev={1:998051630}, dma={2147221497:-194}, dma={2147221497:-194}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={2147221497:-199}, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6768] tmp___7 = ldv_undefined_pointer() [L6769] arbitrary_memory = tmp___7 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, arbitrary_memory={2147221497:-199}, dev={1:998051630}, dev={1:998051630}, dma={2147221497:-194}, dma={2147221497:-194}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, tmp___7={2147221497:-199}] [L6771] COND FALSE !(! arbitrary_memory) [L6775] ldv_coherent_state = ldv_coherent_state + 1 [L6776] return (arbitrary_memory); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, \result={2147221497:-199}, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, arbitrary_memory={2147221497:-199}, dev={1:998051630}, dev={1:998051630}, dma={2147221497:-194}, dma={2147221497:-194}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, tmp___7={2147221497:-199}] [L6077] RET, EXPR usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, dev->udev={1:998051630}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, urb={2147221497:-298}, usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma)={2147221497:-199}] [L6077] tmp___9 = usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) [L6078] buf = (u8 *)tmp___9 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6080] COND FALSE !(! buf) [L6088] msg = (struct ems_cpc_msg *)(buf + 4) [L6089] EXPR cf->can_id [L6089] msg->msg.can_msg.id = cf->can_id & 536870911U [L6090] EXPR cf->can_dlc [L6090] msg->msg.can_msg.length = cf->can_dlc [L6091] EXPR cf->can_id VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, cf->can_id=-1073741713, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6091] COND TRUE cf->can_id & 1073741824U [L6092] EXPR cf->can_id VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, cf->can_id=-1073741713, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6092] COND TRUE cf->can_id & 2147483648U [L6093] msg->type = (u8 )16 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6097] msg->length = (u8 )5 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6120] EXPR msg->msg.can_msg.id [L6120] msg->msg.can_msg.id = msg->msg.can_msg.id [L6121] i = 0 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6123] COND TRUE 1 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6125] COND TRUE i < 10 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6129] EXPR dev->tx_contexts[i].echo_index VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, dev->tx_contexts[i].echo_index=10, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6129] COND TRUE dev->tx_contexts[i].echo_index == 10U [L6130] context = & dev->tx_contexts[i] VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6139] COND TRUE ! context VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6141] FCALL usb_unanchor_urb(urb) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6142] EXPR dev->udev [L6142] EXPR urb->transfer_dma VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, dev->udev={1:998051630}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}, urb->transfer_dma=68719476741] [L6142] CALL usb_free_coherent(dev->udev, size, (void *)buf, urb->transfer_dma) VAL [\old(dma)=68719476741, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, addr={2147221497:-199}, dev={1:998051630}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6790] COND TRUE 1 VAL [\old(dma)=68719476741, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, addr={2147221497:-199}, addr={2147221497:-199}, dev={1:998051630}, dev={1:998051630}, dma=68719476741, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6792] COND FALSE !(! ((unsigned long )addr != (unsigned long )((void *)0))) VAL [\old(dma)=68719476741, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, addr={2147221497:-199}, addr={2147221497:-199}, dev={1:998051630}, dev={1:998051630}, dma=68719476741, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6798] COND TRUE \read(*addr) VAL [\old(dma)=68719476741, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, addr={2147221497:-199}, addr={2147221497:-199}, dev={1:998051630}, dev={1:998051630}, dma=68719476741, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6799] COND TRUE ldv_coherent_state >= 1 VAL [\old(dma)=68719476741, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, addr={2147221497:-199}, addr={2147221497:-199}, dev={1:998051630}, dev={1:998051630}, dma=68719476741, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6805] ldv_coherent_state = ldv_coherent_state - 1 VAL [\old(dma)=68719476741, \old(ldv_coherent_state)=1, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \old(size)=28, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, addr={2147221497:-199}, addr={2147221497:-199}, dev={1:998051630}, dev={1:998051630}, dma=68719476741, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6142] RET usb_free_coherent(dev->udev, size, (void *)buf, urb->transfer_dma) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, dev->udev={1:998051630}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, i=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}, urb->transfer_dma=68719476741] [L6143] netdev->dev.parent [L6145] return ((netdev_tx_t )16); VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, \result=16, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, buf={2147221497:-199}, cf={2147221497:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, i=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={2147221497:-195}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={2147221497:-410}, skb={2147221497:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={2147221497:-199}, urb={2147221497:-298}] [L6692] RET ems_usb_start_xmit(var_group2, var_group1) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_start_xmit(var_group2, var_group1)=16, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1, var_group1={0:-2952}, var_group2={2147221497:-410}] [L6629] COND TRUE 1 VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=1, var_group1={0:-2952}, var_group2={2147221497:-410}] [L6632] tmp___9 = __VERIFIER_nondet_int() [L6634] COND FALSE !(\read(tmp___9)) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-2952}, var_group2={2147221497:-410}] [L6636] COND FALSE !(! (ldv_s_ems_usb_netdev_ops_net_device_ops == 0)) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-2952}, var_group2={2147221497:-410}] [L6638] COND FALSE !(! (ldv_s_ems_usb_driver_usb_driver == 0)) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-2952}, var_group2={2147221497:-410}] [L6730] CALL ems_usb_exit() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6575] FCALL usb_deregister(& ems_usb_driver) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6730] RET ems_usb_exit() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-2952}, var_group2={2147221497:-410}] [L6734] CALL ldv_check_final_state() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6877] COND FALSE !(ldv_urb_state == 0) VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6880] CALL ldv_blast_assert() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6742] __VERIFIER_error() VAL [\old(ldv_coherent_state)=0, \old(LDV_IN_INTERRUPT)=0, \old(ldv_urb_state)=0, \old(res_ems_usb_close_12)=0, \old(res_ems_usb_open_10)=0, \old(res_ems_usb_probe_16)=0, __key___7={1079804274:0}, __key___8={-1:0}, __this_module={0:0}, ems_usb_bittiming_const={2147221497:0}, ems_usb_driver={1:0}, ems_usb_netdev_ops={2147483643:0}, ems_usb_table={-2:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 80 procedures, 588 locations, 1 error locations. UNSAFE Result, 324.0s OverallTime, 16 OverallIterations, 3 TraceHistogramMax, 127.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11827 SDtfs, 10572 SDslu, 27253 SDs, 0 SdLazy, 8690 SolverSat, 5526 SolverUnsat, 44 SolverUnknown, 0 SolverNotchecked, 118.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1895 GetRequests, 1823 SyntacticMatches, 3 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20700occurred in iteration=11, 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: 3.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 1347 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 126.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1775 NumberOfCodeBlocks, 1775 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1868 ConstructedInterpolants, 0 QuantifiedInterpolants, 317455 SizeOfPredicates, 38 NumberOfNonLiveVariables, 12938 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 88/97 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...