./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_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/config/AutomizerReach.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_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4905321715959318d97656bf1f42967177e7fab0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/config/AutomizerReach.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_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4905321715959318d97656bf1f42967177e7fab0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:50:04,552 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:50:04,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:50:04,559 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:50:04,560 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:50:04,560 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:50:04,561 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:50:04,562 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:50:04,563 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:50:04,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:50:04,565 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:50:04,565 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:50:04,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:50:04,566 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:50:04,567 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:50:04,568 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:50:04,568 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:50:04,569 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:50:04,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:50:04,572 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:50:04,573 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:50:04,573 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:50:04,575 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:50:04,575 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:50:04,576 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:50:04,576 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:50:04,577 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:50:04,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:50:04,578 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:50:04,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:50:04,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:50:04,579 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:50:04,579 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:50:04,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:50:04,580 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:50:04,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:50:04,581 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-12-01 15:50:04,589 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:50:04,589 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:50:04,590 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:50:04,590 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 15:50:04,590 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:50:04,590 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:50:04,590 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 15:50:04,591 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:50:04,591 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:50:04,591 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:50:04,591 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:50:04,591 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:50:04,591 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:50:04,591 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:50:04,591 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:50:04,591 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:50:04,592 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:50:04,592 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 15:50:04,592 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:50:04,592 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 15:50:04,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:50:04,592 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:50:04,592 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:50:04,592 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:50:04,592 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 15:50:04,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:50:04,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:50:04,592 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 15:50:04,593 INFO L133 SettingsManager]: * To the following directory=dump/ 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_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer 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 -> Automizer 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 -> 4905321715959318d97656bf1f42967177e7fab0 [2018-12-01 15:50:04,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:50:04,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:50:04,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:50:04,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:50:04,625 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:50:04,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-01 15:50:04,659 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/data/29d2905c1/35599bc74e604e52ae9695101da5d25f/FLAGec6111b3d [2018-12-01 15:50:05,157 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:50:05,158 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-01 15:50:05,173 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/data/29d2905c1/35599bc74e604e52ae9695101da5d25f/FLAGec6111b3d [2018-12-01 15:50:05,182 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/data/29d2905c1/35599bc74e604e52ae9695101da5d25f [2018-12-01 15:50:05,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:50:05,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:50:05,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:50:05,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:50:05,187 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:50:05,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:05" (1/1) ... [2018-12-01 15:50:05,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56663ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:05, skipping insertion in model container [2018-12-01 15:50:05,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:05" (1/1) ... [2018-12-01 15:50:05,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:50:05,237 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:50:05,890 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:50:05,908 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:50:06,030 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:50:06,174 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:50:06,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06 WrapperNode [2018-12-01 15:50:06,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:50:06,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:50:06,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:50:06,176 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:50:06,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06" (1/1) ... [2018-12-01 15:50:06,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06" (1/1) ... [2018-12-01 15:50:06,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:50:06,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:50:06,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:50:06,220 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:50:06,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06" (1/1) ... [2018-12-01 15:50:06,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06" (1/1) ... [2018-12-01 15:50:06,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06" (1/1) ... [2018-12-01 15:50:06,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06" (1/1) ... [2018-12-01 15:50:06,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06" (1/1) ... [2018-12-01 15:50:06,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06" (1/1) ... [2018-12-01 15:50:06,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06" (1/1) ... [2018-12-01 15:50:06,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:50:06,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:50:06,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:50:06,296 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:50:06,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:50:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2018-12-01 15:50:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2018-12-01 15:50:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-12-01 15:50:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-12-01 15:50:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-12-01 15:50:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2018-12-01 15:50:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start_xmit [2018-12-01 15:50:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start_xmit [2018-12-01 15:50:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2018-12-01 15:50:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2018-12-01 15:50:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-01 15:50:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2018-12-01 15:50:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2018-12-01 15:50:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-12-01 15:50:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2018-12-01 15:50:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:50:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-01 15:50:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-01 15:50:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2018-12-01 15:50:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2018-12-01 15:50:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-01 15:50:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-01 15:50:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 15:50:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-01 15:50:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-01 15:50:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-12-01 15:50:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2018-12-01 15:50:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure init_params_sja1000 [2018-12-01 15:50:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure init_params_sja1000 [2018-12-01 15:50:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2018-12-01 15:50:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2018-12-01 15:50:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2018-12-01 15:50:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2018-12-01 15:50:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2018-12-01 15:50:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2018-12-01 15:50:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-01 15:50:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-01 15:50:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2018-12-01 15:50:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2018-12-01 15:50:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2018-12-01 15:50:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2018-12-01 15:50:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-12-01 15:50:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-12-01 15:50:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-12-01 15:50:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2018-12-01 15:50:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2018-12-01 15:50:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-12-01 15:50:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-12-01 15:50:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2018-12-01 15:50:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2018-12-01 15:50:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-01 15:50:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-01 15:50:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2018-12-01 15:50:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2018-12-01 15:50:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 15:50:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2018-12-01 15:50:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2018-12-01 15:50:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2018-12-01 15:50:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2018-12-01 15:50:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2018-12-01 15:50:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2018-12-01 15:50:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-12-01 15:50:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-12-01 15:50:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-12-01 15:50:06,336 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-12-01 15:50:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-01 15:50:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-01 15:50:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-12-01 15:50:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-12-01 15:50:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2018-12-01 15:50:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2018-12-01 15:50:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 15:50:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 15:50:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-12-01 15:50:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-12-01 15:50:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2018-12-01 15:50:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2018-12-01 15:50:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2018-12-01 15:50:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2018-12-01 15:50:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2018-12-01 15:50:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2018-12-01 15:50:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-12-01 15:50:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-12-01 15:50:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 15:50:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 15:50:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-12-01 15:50:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-12-01 15:50:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 15:50:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-12-01 15:50:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-12-01 15:50:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2018-12-01 15:50:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2018-12-01 15:50:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2018-12-01 15:50:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2018-12-01 15:50:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2018-12-01 15:50:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2018-12-01 15:50:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2018-12-01 15:50:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2018-12-01 15:50:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2018-12-01 15:50:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2018-12-01 15:50:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_probe [2018-12-01 15:50:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_probe [2018-12-01 15:50:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2018-12-01 15:50:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2018-12-01 15:50:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 15:50:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_disconnect [2018-12-01 15:50:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_disconnect [2018-12-01 15:50:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2018-12-01 15:50:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2018-12-01 15:50:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-12-01 15:50:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2018-12-01 15:50:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_close [2018-12-01 15:50:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_close [2018-12-01 15:50:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-12-01 15:50:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2018-12-01 15:50:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2018-12-01 15:50:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2018-12-01 15:50:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2018-12-01 15:50:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2018-12-01 15:50:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2018-12-01 15:50:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2018-12-01 15:50:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-12-01 15:50:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-12-01 15:50:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 15:50:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-12-01 15:50:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-12-01 15:50:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_open [2018-12-01 15:50:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_open [2018-12-01 15:50:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 15:50:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-12-01 15:50:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2018-12-01 15:50:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2018-12-01 15:50:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2018-12-01 15:50:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-01 15:50:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-01 15:50:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2018-12-01 15:50:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2018-12-01 15:50:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-12-01 15:50:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-12-01 15:50:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-12-01 15:50:06,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-12-01 15:50:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2018-12-01 15:50:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2018-12-01 15:50:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-12-01 15:50:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2018-12-01 15:50:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-12-01 15:50:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-12-01 15:50:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-12-01 15:50:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-12-01 15:50:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-12-01 15:50:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-12-01 15:50:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2018-12-01 15:50:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2018-12-01 15:50:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2018-12-01 15:50:06,343 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2018-12-01 15:50:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 15:50:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2018-12-01 15:50:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2018-12-01 15:50:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2018-12-01 15:50:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2018-12-01 15:50:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-01 15:50:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-01 15:50:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-12-01 15:50:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2018-12-01 15:50:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-12-01 15:50:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2018-12-01 15:50:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-01 15:50:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:50:06,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:50:06,345 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start [2018-12-01 15:50:06,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start [2018-12-01 15:50:06,345 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2018-12-01 15:50:06,345 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2018-12-01 15:50:06,723 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 15:50:06,723 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 15:50:21,414 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:50:21,414 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-12-01 15:50:21,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:21 BoogieIcfgContainer [2018-12-01 15:50:21,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:50:21,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 15:50:21,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 15:50:21,417 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 15:50:21,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:50:05" (1/3) ... [2018-12-01 15:50:21,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad1b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:50:21, skipping insertion in model container [2018-12-01 15:50:21,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:06" (2/3) ... [2018-12-01 15:50:21,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad1b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:50:21, skipping insertion in model container [2018-12-01 15:50:21,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:21" (3/3) ... [2018-12-01 15:50:21,419 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-01 15:50:21,425 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 15:50:21,430 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 15:50:21,440 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 15:50:21,462 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 15:50:21,462 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 15:50:21,462 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 15:50:21,463 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 15:50:21,463 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 15:50:21,463 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 15:50:21,463 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 15:50:21,463 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 15:50:21,463 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 15:50:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2018-12-01 15:50:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 15:50:21,486 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:21,486 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] [2018-12-01 15:50:21,488 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:21,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:21,491 INFO L82 PathProgramCache]: Analyzing trace with hash -371280771, now seen corresponding path program 1 times [2018-12-01 15:50:21,493 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:21,493 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:21,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:21,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:21,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:50:21,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:21,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:50:21,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:50:21,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:50:21,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:50:21,733 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 3 states. [2018-12-01 15:50:21,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:21,839 INFO L93 Difference]: Finished difference Result 1681 states and 2212 transitions. [2018-12-01 15:50:21,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:50:21,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-12-01 15:50:21,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:21,853 INFO L225 Difference]: With dead ends: 1681 [2018-12-01 15:50:21,853 INFO L226 Difference]: Without dead ends: 1110 [2018-12-01 15:50:21,858 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 [2018-12-01 15:50:21,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2018-12-01 15:50:21,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1106. [2018-12-01 15:50:21,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1106 states. [2018-12-01 15:50:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1364 transitions. [2018-12-01 15:50:21,928 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1364 transitions. Word has length 30 [2018-12-01 15:50:21,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:21,928 INFO L480 AbstractCegarLoop]: Abstraction has 1106 states and 1364 transitions. [2018-12-01 15:50:21,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:50:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1364 transitions. [2018-12-01 15:50:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 15:50:21,929 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:21,929 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] [2018-12-01 15:50:21,929 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:21,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:21,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1374770105, now seen corresponding path program 1 times [2018-12-01 15:50:21,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:21,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:21,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:21,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:21,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:50:21,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:21,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:50:21,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:50:21,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:50:21,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:50:21,988 INFO L87 Difference]: Start difference. First operand 1106 states and 1364 transitions. Second operand 3 states. [2018-12-01 15:50:22,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:22,053 INFO L93 Difference]: Finished difference Result 3263 states and 4061 transitions. [2018-12-01 15:50:22,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:50:22,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-12-01 15:50:22,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:22,064 INFO L225 Difference]: With dead ends: 3263 [2018-12-01 15:50:22,064 INFO L226 Difference]: Without dead ends: 2173 [2018-12-01 15:50:22,069 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 [2018-12-01 15:50:22,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2018-12-01 15:50:22,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2166. [2018-12-01 15:50:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2166 states. [2018-12-01 15:50:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 2686 transitions. [2018-12-01 15:50:22,129 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 2686 transitions. Word has length 31 [2018-12-01 15:50:22,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:22,129 INFO L480 AbstractCegarLoop]: Abstraction has 2166 states and 2686 transitions. [2018-12-01 15:50:22,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:50:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2686 transitions. [2018-12-01 15:50:22,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 15:50:22,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:22,132 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] [2018-12-01 15:50:22,132 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:22,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:22,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1651875236, now seen corresponding path program 1 times [2018-12-01 15:50:22,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:22,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:22,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:22,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:22,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:50:22,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:22,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:50:22,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 15:50:22,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 15:50:22,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:50:22,206 INFO L87 Difference]: Start difference. First operand 2166 states and 2686 transitions. Second operand 5 states. [2018-12-01 15:50:22,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:22,259 INFO L93 Difference]: Finished difference Result 4310 states and 5349 transitions. [2018-12-01 15:50:22,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 15:50:22,260 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2018-12-01 15:50:22,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:22,265 INFO L225 Difference]: With dead ends: 4310 [2018-12-01 15:50:22,265 INFO L226 Difference]: Without dead ends: 2166 [2018-12-01 15:50:22,269 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 [2018-12-01 15:50:22,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2018-12-01 15:50:22,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 2166. [2018-12-01 15:50:22,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2166 states. [2018-12-01 15:50:22,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 2685 transitions. [2018-12-01 15:50:22,317 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 2685 transitions. Word has length 91 [2018-12-01 15:50:22,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:22,317 INFO L480 AbstractCegarLoop]: Abstraction has 2166 states and 2685 transitions. [2018-12-01 15:50:22,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 15:50:22,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2685 transitions. [2018-12-01 15:50:22,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 15:50:22,319 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:22,319 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] [2018-12-01 15:50:22,320 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:22,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:22,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1688863165, now seen corresponding path program 1 times [2018-12-01 15:50:22,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:22,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:22,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:22,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:22,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:50:22,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:22,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 15:50:22,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 15:50:22,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 15:50:22,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 15:50:22,393 INFO L87 Difference]: Start difference. First operand 2166 states and 2685 transitions. Second operand 4 states. [2018-12-01 15:50:22,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:22,456 INFO L93 Difference]: Finished difference Result 4330 states and 5389 transitions. [2018-12-01 15:50:22,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 15:50:22,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-01 15:50:22,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:22,463 INFO L225 Difference]: With dead ends: 4330 [2018-12-01 15:50:22,463 INFO L226 Difference]: Without dead ends: 2190 [2018-12-01 15:50:22,467 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 [2018-12-01 15:50:22,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2018-12-01 15:50:22,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 2174. [2018-12-01 15:50:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2174 states. [2018-12-01 15:50:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 2693 transitions. [2018-12-01 15:50:22,513 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 2693 transitions. Word has length 91 [2018-12-01 15:50:22,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:22,513 INFO L480 AbstractCegarLoop]: Abstraction has 2174 states and 2693 transitions. [2018-12-01 15:50:22,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 15:50:22,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2693 transitions. [2018-12-01 15:50:22,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 15:50:22,516 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:22,516 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] [2018-12-01 15:50:22,516 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:22,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:22,517 INFO L82 PathProgramCache]: Analyzing trace with hash -2039275050, now seen corresponding path program 1 times [2018-12-01 15:50:22,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:22,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:22,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:22,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:22,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:50:22,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:22,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:50:22,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 15:50:22,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 15:50:22,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:50:22,616 INFO L87 Difference]: Start difference. First operand 2174 states and 2693 transitions. Second operand 5 states. [2018-12-01 15:50:22,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:22,675 INFO L93 Difference]: Finished difference Result 4204 states and 5202 transitions. [2018-12-01 15:50:22,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 15:50:22,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2018-12-01 15:50:22,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:22,683 INFO L225 Difference]: With dead ends: 4204 [2018-12-01 15:50:22,684 INFO L226 Difference]: Without dead ends: 2056 [2018-12-01 15:50:22,689 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 [2018-12-01 15:50:22,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2018-12-01 15:50:22,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 2048. [2018-12-01 15:50:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2048 states. [2018-12-01 15:50:22,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 2515 transitions. [2018-12-01 15:50:22,736 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 2515 transitions. Word has length 92 [2018-12-01 15:50:22,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:22,736 INFO L480 AbstractCegarLoop]: Abstraction has 2048 states and 2515 transitions. [2018-12-01 15:50:22,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 15:50:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2515 transitions. [2018-12-01 15:50:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 15:50:22,738 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:22,738 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] [2018-12-01 15:50:22,738 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:22,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:22,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1714689772, now seen corresponding path program 1 times [2018-12-01 15:50:22,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:22,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:22,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:22,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:22,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:50:22,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:22,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:50:22,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 15:50:22,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 15:50:22,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:50:22,839 INFO L87 Difference]: Start difference. First operand 2048 states and 2515 transitions. Second operand 5 states. [2018-12-01 15:50:22,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:22,912 INFO L93 Difference]: Finished difference Result 3150 states and 3880 transitions. [2018-12-01 15:50:22,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 15:50:22,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2018-12-01 15:50:22,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:22,918 INFO L225 Difference]: With dead ends: 3150 [2018-12-01 15:50:22,918 INFO L226 Difference]: Without dead ends: 2054 [2018-12-01 15:50:22,921 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 [2018-12-01 15:50:22,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2018-12-01 15:50:22,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2052. [2018-12-01 15:50:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2052 states. [2018-12-01 15:50:22,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2517 transitions. [2018-12-01 15:50:22,969 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2517 transitions. Word has length 91 [2018-12-01 15:50:22,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:22,969 INFO L480 AbstractCegarLoop]: Abstraction has 2052 states and 2517 transitions. [2018-12-01 15:50:22,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 15:50:22,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2517 transitions. [2018-12-01 15:50:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 15:50:22,970 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:22,970 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] [2018-12-01 15:50:22,971 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:22,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:22,971 INFO L82 PathProgramCache]: Analyzing trace with hash -2027958923, now seen corresponding path program 1 times [2018-12-01 15:50:22,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:22,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:22,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:22,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:22,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:23,102 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:50:23,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:23,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 15:50:23,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 15:50:23,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 15:50:23,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-01 15:50:23,103 INFO L87 Difference]: Start difference. First operand 2052 states and 2517 transitions. Second operand 6 states. [2018-12-01 15:50:34,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:34,547 INFO L93 Difference]: Finished difference Result 3739 states and 4840 transitions. [2018-12-01 15:50:34,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 15:50:34,547 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2018-12-01 15:50:34,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:34,555 INFO L225 Difference]: With dead ends: 3739 [2018-12-01 15:50:34,555 INFO L226 Difference]: Without dead ends: 3734 [2018-12-01 15:50:34,556 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 [2018-12-01 15:50:34,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3734 states. [2018-12-01 15:50:34,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3734 to 3694. [2018-12-01 15:50:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3694 states. [2018-12-01 15:50:34,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 4784 transitions. [2018-12-01 15:50:34,638 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 4784 transitions. Word has length 92 [2018-12-01 15:50:34,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:34,638 INFO L480 AbstractCegarLoop]: Abstraction has 3694 states and 4784 transitions. [2018-12-01 15:50:34,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 15:50:34,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 4784 transitions. [2018-12-01 15:50:34,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 15:50:34,639 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:34,639 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] [2018-12-01 15:50:34,639 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:34,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:34,640 INFO L82 PathProgramCache]: Analyzing trace with hash -550985109, now seen corresponding path program 1 times [2018-12-01 15:50:34,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:34,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:34,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:34,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:34,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:50:34,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:34,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:50:34,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:50:34,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:50:34,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:50:34,696 INFO L87 Difference]: Start difference. First operand 3694 states and 4784 transitions. Second operand 3 states. [2018-12-01 15:50:34,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:34,787 INFO L93 Difference]: Finished difference Result 7518 states and 9850 transitions. [2018-12-01 15:50:34,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:50:34,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2018-12-01 15:50:34,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:34,797 INFO L225 Difference]: With dead ends: 7518 [2018-12-01 15:50:34,798 INFO L226 Difference]: Without dead ends: 3849 [2018-12-01 15:50:34,805 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 [2018-12-01 15:50:34,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3849 states. [2018-12-01 15:50:34,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3849 to 3841. [2018-12-01 15:50:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3841 states. [2018-12-01 15:50:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3841 states to 3841 states and 5062 transitions. [2018-12-01 15:50:34,893 INFO L78 Accepts]: Start accepts. Automaton has 3841 states and 5062 transitions. Word has length 106 [2018-12-01 15:50:34,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:34,893 INFO L480 AbstractCegarLoop]: Abstraction has 3841 states and 5062 transitions. [2018-12-01 15:50:34,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:50:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 3841 states and 5062 transitions. [2018-12-01 15:50:34,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 15:50:34,894 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:34,894 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] [2018-12-01 15:50:34,894 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:34,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:34,895 INFO L82 PathProgramCache]: Analyzing trace with hash -221184357, now seen corresponding path program 1 times [2018-12-01 15:50:34,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:34,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:34,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:34,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:34,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:50:34,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:34,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:50:34,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:50:34,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:50:34,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:50:34,953 INFO L87 Difference]: Start difference. First operand 3841 states and 5062 transitions. Second operand 3 states. [2018-12-01 15:50:35,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:35,038 INFO L93 Difference]: Finished difference Result 6873 states and 9229 transitions. [2018-12-01 15:50:35,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:50:35,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-12-01 15:50:35,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:35,049 INFO L225 Difference]: With dead ends: 6873 [2018-12-01 15:50:35,049 INFO L226 Difference]: Without dead ends: 4033 [2018-12-01 15:50:35,055 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 [2018-12-01 15:50:35,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2018-12-01 15:50:35,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 3849. [2018-12-01 15:50:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3849 states. [2018-12-01 15:50:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 3849 states and 5070 transitions. [2018-12-01 15:50:35,135 INFO L78 Accepts]: Start accepts. Automaton has 3849 states and 5070 transitions. Word has length 104 [2018-12-01 15:50:35,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:35,135 INFO L480 AbstractCegarLoop]: Abstraction has 3849 states and 5070 transitions. [2018-12-01 15:50:35,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:50:35,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3849 states and 5070 transitions. [2018-12-01 15:50:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 15:50:35,137 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:35,137 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-01 15:50:35,137 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:35,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:35,137 INFO L82 PathProgramCache]: Analyzing trace with hash 137764412, now seen corresponding path program 1 times [2018-12-01 15:50:35,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:35,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:35,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:35,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:35,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 15:50:35,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:35,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:50:35,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 15:50:35,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 15:50:35,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:50:35,225 INFO L87 Difference]: Start difference. First operand 3849 states and 5070 transitions. Second operand 5 states. [2018-12-01 15:50:35,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:35,296 INFO L93 Difference]: Finished difference Result 6577 states and 8758 transitions. [2018-12-01 15:50:35,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 15:50:35,296 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-12-01 15:50:35,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:35,305 INFO L225 Difference]: With dead ends: 6577 [2018-12-01 15:50:35,305 INFO L226 Difference]: Without dead ends: 3729 [2018-12-01 15:50:35,311 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 [2018-12-01 15:50:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3729 states. [2018-12-01 15:50:35,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3729 to 3725. [2018-12-01 15:50:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3725 states. [2018-12-01 15:50:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3725 states to 3725 states and 4899 transitions. [2018-12-01 15:50:35,383 INFO L78 Accepts]: Start accepts. Automaton has 3725 states and 4899 transitions. Word has length 136 [2018-12-01 15:50:35,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:35,383 INFO L480 AbstractCegarLoop]: Abstraction has 3725 states and 4899 transitions. [2018-12-01 15:50:35,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 15:50:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3725 states and 4899 transitions. [2018-12-01 15:50:35,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 15:50:35,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:35,384 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] [2018-12-01 15:50:35,385 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:35,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:35,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1848723261, now seen corresponding path program 1 times [2018-12-01 15:50:35,385 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:35,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:35,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:35,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:35,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:50:35,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:35,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 15:50:35,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 15:50:35,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 15:50:35,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-01 15:50:35,496 INFO L87 Difference]: Start difference. First operand 3725 states and 4899 transitions. Second operand 6 states. [2018-12-01 15:50:48,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:48,870 INFO L93 Difference]: Finished difference Result 7004 states and 9732 transitions. [2018-12-01 15:50:48,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 15:50:48,870 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-12-01 15:50:48,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:48,895 INFO L225 Difference]: With dead ends: 7004 [2018-12-01 15:50:48,895 INFO L226 Difference]: Without dead ends: 7001 [2018-12-01 15:50:48,899 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 [2018-12-01 15:50:48,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7001 states. [2018-12-01 15:50:49,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7001 to 6894. [2018-12-01 15:50:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6894 states. [2018-12-01 15:50:49,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6894 states to 6894 states and 9566 transitions. [2018-12-01 15:50:49,054 INFO L78 Accepts]: Start accepts. Automaton has 6894 states and 9566 transitions. Word has length 106 [2018-12-01 15:50:49,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:49,054 INFO L480 AbstractCegarLoop]: Abstraction has 6894 states and 9566 transitions. [2018-12-01 15:50:49,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 15:50:49,054 INFO L276 IsEmpty]: Start isEmpty. Operand 6894 states and 9566 transitions. [2018-12-01 15:50:49,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-01 15:50:49,056 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:49,056 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] [2018-12-01 15:50:49,056 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:49,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:49,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1688338259, now seen corresponding path program 1 times [2018-12-01 15:50:49,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:49,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:49,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:49,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:49,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:50:49,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:49,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:50:49,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:50:49,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:50:49,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:50:49,126 INFO L87 Difference]: Start difference. First operand 6894 states and 9566 transitions. Second operand 3 states. [2018-12-01 15:50:49,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:49,285 INFO L93 Difference]: Finished difference Result 13478 states and 19017 transitions. [2018-12-01 15:50:49,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:50:49,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-12-01 15:50:49,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:49,308 INFO L225 Difference]: With dead ends: 13478 [2018-12-01 15:50:49,309 INFO L226 Difference]: Without dead ends: 6610 [2018-12-01 15:50:49,330 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 [2018-12-01 15:50:49,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6610 states. [2018-12-01 15:50:49,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6610 to 6568. [2018-12-01 15:50:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6568 states. [2018-12-01 15:50:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 9000 transitions. [2018-12-01 15:50:49,468 INFO L78 Accepts]: Start accepts. Automaton has 6568 states and 9000 transitions. Word has length 115 [2018-12-01 15:50:49,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:49,469 INFO L480 AbstractCegarLoop]: Abstraction has 6568 states and 9000 transitions. [2018-12-01 15:50:49,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:50:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 6568 states and 9000 transitions. [2018-12-01 15:50:49,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-01 15:50:49,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:49,471 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] [2018-12-01 15:50:49,471 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:49,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:49,471 INFO L82 PathProgramCache]: Analyzing trace with hash -718085495, now seen corresponding path program 1 times [2018-12-01 15:50:49,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:49,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:49,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:49,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:49,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:50:49,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:49,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:50:49,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 15:50:49,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 15:50:49,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:50:49,547 INFO L87 Difference]: Start difference. First operand 6568 states and 9000 transitions. Second operand 5 states. [2018-12-01 15:50:49,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:49,675 INFO L93 Difference]: Finished difference Result 11542 states and 15872 transitions. [2018-12-01 15:50:49,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 15:50:49,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2018-12-01 15:50:49,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:49,687 INFO L225 Difference]: With dead ends: 11542 [2018-12-01 15:50:49,687 INFO L226 Difference]: Without dead ends: 5000 [2018-12-01 15:50:49,698 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 [2018-12-01 15:50:49,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5000 states. [2018-12-01 15:50:49,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5000 to 4770. [2018-12-01 15:50:49,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4770 states. [2018-12-01 15:50:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4770 states to 4770 states and 6392 transitions. [2018-12-01 15:50:49,802 INFO L78 Accepts]: Start accepts. Automaton has 4770 states and 6392 transitions. Word has length 126 [2018-12-01 15:50:49,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:49,802 INFO L480 AbstractCegarLoop]: Abstraction has 4770 states and 6392 transitions. [2018-12-01 15:50:49,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 15:50:49,803 INFO L276 IsEmpty]: Start isEmpty. Operand 4770 states and 6392 transitions. [2018-12-01 15:50:49,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 15:50:49,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:49,804 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] [2018-12-01 15:50:49,805 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:49,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:49,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1605748210, now seen corresponding path program 1 times [2018-12-01 15:50:49,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:49,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:49,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:49,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:49,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:49,864 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 15:50:49,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:49,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:50:49,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 15:50:49,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 15:50:49,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:50:49,865 INFO L87 Difference]: Start difference. First operand 4770 states and 6392 transitions. Second operand 5 states. [2018-12-01 15:50:50,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:50,077 INFO L93 Difference]: Finished difference Result 9593 states and 12843 transitions. [2018-12-01 15:50:50,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 15:50:50,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2018-12-01 15:50:50,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:50,086 INFO L225 Difference]: With dead ends: 9593 [2018-12-01 15:50:50,086 INFO L226 Difference]: Without dead ends: 4841 [2018-12-01 15:50:50,092 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 [2018-12-01 15:50:50,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4841 states. [2018-12-01 15:50:50,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4841 to 4794. [2018-12-01 15:50:50,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4794 states. [2018-12-01 15:50:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6415 transitions. [2018-12-01 15:50:50,205 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6415 transitions. Word has length 147 [2018-12-01 15:50:50,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:50,205 INFO L480 AbstractCegarLoop]: Abstraction has 4794 states and 6415 transitions. [2018-12-01 15:50:50,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 15:50:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6415 transitions. [2018-12-01 15:50:50,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 15:50:50,206 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:50,206 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] [2018-12-01 15:50:50,206 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:50,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:50,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1498053070, now seen corresponding path program 1 times [2018-12-01 15:50:50,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:50,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:50,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:50,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:50,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 15:50:50,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:50,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 15:50:50,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 15:50:50,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 15:50:50,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 15:50:50,371 INFO L87 Difference]: Start difference. First operand 4794 states and 6415 transitions. Second operand 8 states. [2018-12-01 15:50:59,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:59,090 INFO L93 Difference]: Finished difference Result 9910 states and 14001 transitions. [2018-12-01 15:50:59,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 15:50:59,090 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2018-12-01 15:50:59,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:59,107 INFO L225 Difference]: With dead ends: 9910 [2018-12-01 15:50:59,107 INFO L226 Difference]: Without dead ends: 7409 [2018-12-01 15:50:59,113 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 [2018-12-01 15:50:59,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7409 states. [2018-12-01 15:50:59,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7409 to 6371. [2018-12-01 15:50:59,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6371 states. [2018-12-01 15:50:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6371 states to 6371 states and 8555 transitions. [2018-12-01 15:50:59,283 INFO L78 Accepts]: Start accepts. Automaton has 6371 states and 8555 transitions. Word has length 117 [2018-12-01 15:50:59,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:59,283 INFO L480 AbstractCegarLoop]: Abstraction has 6371 states and 8555 transitions. [2018-12-01 15:50:59,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 15:50:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 6371 states and 8555 transitions. [2018-12-01 15:50:59,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 15:50:59,284 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:59,285 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] [2018-12-01 15:50:59,285 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:59,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:59,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1728106551, now seen corresponding path program 1 times [2018-12-01 15:50:59,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:59,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:59,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:59,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:59,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:50:59,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:59,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:50:59,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 15:50:59,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 15:50:59,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:50:59,350 INFO L87 Difference]: Start difference. First operand 6371 states and 8555 transitions. Second operand 5 states. [2018-12-01 15:50:59,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:59,490 INFO L93 Difference]: Finished difference Result 9234 states and 12457 transitions. [2018-12-01 15:50:59,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 15:50:59,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2018-12-01 15:50:59,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:59,502 INFO L225 Difference]: With dead ends: 9234 [2018-12-01 15:50:59,502 INFO L226 Difference]: Without dead ends: 6369 [2018-12-01 15:50:59,508 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 [2018-12-01 15:50:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6369 states. [2018-12-01 15:50:59,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6369 to 6367. [2018-12-01 15:50:59,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6367 states. [2018-12-01 15:50:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6367 states to 6367 states and 8544 transitions. [2018-12-01 15:50:59,662 INFO L78 Accepts]: Start accepts. Automaton has 6367 states and 8544 transitions. Word has length 118 [2018-12-01 15:50:59,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:50:59,662 INFO L480 AbstractCegarLoop]: Abstraction has 6367 states and 8544 transitions. [2018-12-01 15:50:59,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 15:50:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 6367 states and 8544 transitions. [2018-12-01 15:50:59,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 15:50:59,664 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:50:59,664 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] [2018-12-01 15:50:59,664 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:50:59,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:59,664 INFO L82 PathProgramCache]: Analyzing trace with hash -369674894, now seen corresponding path program 1 times [2018-12-01 15:50:59,664 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:50:59,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:50:59,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:59,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:50:59,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:50:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:59,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:50:59,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:50:59,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:50:59,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 15:50:59,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 15:50:59,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:50:59,727 INFO L87 Difference]: Start difference. First operand 6367 states and 8544 transitions. Second operand 5 states. [2018-12-01 15:50:59,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:50:59,892 INFO L93 Difference]: Finished difference Result 11058 states and 15034 transitions. [2018-12-01 15:50:59,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 15:50:59,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-12-01 15:50:59,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:50:59,904 INFO L225 Difference]: With dead ends: 11058 [2018-12-01 15:50:59,905 INFO L226 Difference]: Without dead ends: 6435 [2018-12-01 15:50:59,912 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 [2018-12-01 15:50:59,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6435 states. [2018-12-01 15:51:00,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6435 to 6345. [2018-12-01 15:51:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6345 states. [2018-12-01 15:51:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6345 states to 6345 states and 8496 transitions. [2018-12-01 15:51:00,065 INFO L78 Accepts]: Start accepts. Automaton has 6345 states and 8496 transitions. Word has length 131 [2018-12-01 15:51:00,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:51:00,066 INFO L480 AbstractCegarLoop]: Abstraction has 6345 states and 8496 transitions. [2018-12-01 15:51:00,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 15:51:00,066 INFO L276 IsEmpty]: Start isEmpty. Operand 6345 states and 8496 transitions. [2018-12-01 15:51:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-01 15:51:00,067 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:51:00,067 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] [2018-12-01 15:51:00,067 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:51:00,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:51:00,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1343300682, now seen corresponding path program 1 times [2018-12-01 15:51:00,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:51:00,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:51:00,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:51:00,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:51:00,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:51:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:51:00,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:51:00,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:51:00,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:51:00,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:51:00,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:51:00,132 INFO L87 Difference]: Start difference. First operand 6345 states and 8496 transitions. Second operand 3 states. [2018-12-01 15:51:00,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:51:00,261 INFO L93 Difference]: Finished difference Result 10868 states and 14576 transitions. [2018-12-01 15:51:00,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:51:00,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-12-01 15:51:00,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:51:00,272 INFO L225 Difference]: With dead ends: 10868 [2018-12-01 15:51:00,272 INFO L226 Difference]: Without dead ends: 5389 [2018-12-01 15:51:00,280 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 [2018-12-01 15:51:00,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5389 states. [2018-12-01 15:51:00,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5389 to 5312. [2018-12-01 15:51:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5312 states. [2018-12-01 15:51:00,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5312 states to 5312 states and 6919 transitions. [2018-12-01 15:51:00,406 INFO L78 Accepts]: Start accepts. Automaton has 5312 states and 6919 transitions. Word has length 125 [2018-12-01 15:51:00,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:51:00,407 INFO L480 AbstractCegarLoop]: Abstraction has 5312 states and 6919 transitions. [2018-12-01 15:51:00,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:51:00,407 INFO L276 IsEmpty]: Start isEmpty. Operand 5312 states and 6919 transitions. [2018-12-01 15:51:00,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 15:51:00,408 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:51:00,408 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] [2018-12-01 15:51:00,408 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:51:00,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:51:00,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1280970213, now seen corresponding path program 1 times [2018-12-01 15:51:00,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:51:00,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:51:00,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:51:00,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:51:00,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:51:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:51:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:51:00,567 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 15:51:00,640 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551563 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-01 15:51:00,641 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551545 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)# [2018-12-01 15:51:00,641 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551591 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# [2018-12-01 15:51:00,641 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551547 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)# [2018-12-01 15:51:00,642 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551589 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## [2018-12-01 15:51:00,642 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551499 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# [2018-12-01 15:51:00,642 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551606 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# [2018-12-01 15:51:00,642 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551553 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-01 15:51:00,642 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551533 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# [2018-12-01 15:51:00,642 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551506 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-01 15:51:00,642 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551526 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## [2018-12-01 15:51:00,643 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18446744073709551611 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### [2018-12-01 15:51:00,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:51:00 BoogieIcfgContainer [2018-12-01 15:51:00,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 15:51:00,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:51:00,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:51:00,702 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:51:00,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:21" (3/4) ... [2018-12-01 15:51:00,705 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 15:51:00,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:51:00,705 INFO L168 Benchmark]: Toolchain (without parser) took 55521.59 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 950.6 MB in the beginning and 922.0 MB in the end (delta: 28.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-12-01 15:51:00,706 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-01 15:51:00,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 990.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 950.6 MB in the beginning and 893.8 MB in the end (delta: 56.8 MB). Peak memory consumption was 185.9 MB. Max. memory is 11.5 GB. [2018-12-01 15:51:00,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.38 ms. Allocated memory is still 1.1 GB. Free memory was 893.8 MB in the beginning and 888.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 15:51:00,707 INFO L168 Benchmark]: Boogie Preprocessor took 75.46 ms. Allocated memory is still 1.1 GB. Free memory was 888.4 MB in the beginning and 877.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:51:00,707 INFO L168 Benchmark]: RCFGBuilder took 15118.71 ms. Allocated memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 877.7 MB in the beginning and 1.9 GB in the end (delta: -978.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-01 15:51:00,708 INFO L168 Benchmark]: TraceAbstraction took 39286.71 ms. Allocated memory was 2.9 GB in the beginning and 3.0 GB in the end (delta: 145.8 MB). Free memory was 1.9 GB in the beginning and 965.3 MB in the end (delta: 890.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-01 15:51:00,708 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 3.0 GB. Free memory is still 922.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:51:00,710 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 990.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 950.6 MB in the beginning and 893.8 MB in the end (delta: 56.8 MB). Peak memory consumption was 185.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.38 ms. Allocated memory is still 1.1 GB. Free memory was 893.8 MB in the beginning and 888.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.46 ms. Allocated memory is still 1.1 GB. Free memory was 888.4 MB in the beginning and 877.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15118.71 ms. Allocated memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 877.7 MB in the beginning and 1.9 GB in the end (delta: -978.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * TraceAbstraction took 39286.71 ms. Allocated memory was 2.9 GB in the beginning and 3.0 GB in the end (delta: 145.8 MB). Free memory was 1.9 GB in the beginning and 965.3 MB in the end (delta: 890.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 3.13 ms. Allocated memory is still 3.0 GB. Free memory is still 922.0 MB. 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 18446744073709551563 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 18446744073709551545 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 18446744073709551591 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 18446744073709551547 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 18446744073709551589 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 18446744073709551499 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 18446744073709551606 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 18446744073709551553 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 18446744073709551533 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 18446744073709551506 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 18446744073709551526 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 18446744073709551611 could not be translated for associated CType STRUCT~~lock_class_key?subkeys~ARRAY#_8_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6741]: 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 6091. 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}}; [L6234-L6274] 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}; [L6275-L6279] 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}; [L6530-L6548] 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}; [L6601] int LDV_IN_INTERRUPT ; [L6602] static int res_ems_usb_open_10 ; [L6603] static int res_ems_usb_close_12 ; [L6604] static int res_ems_usb_probe_16 ; [L6754] int ldv_urb_state = 0; [L6755] 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)=18446744073709551488, \old(LDV_IN_INTERRUPT)=18446744073709551510, \old(ldv_urb_state)=18446744073709551560, \old(res_ems_usb_close_12)=18446744073709551610, \old(res_ems_usb_open_10)=18446744073709551615, \old(res_ems_usb_probe_16)=18446744073709551500, __key___7={18446744073709551508:0}, __key___8={18446744073709551608:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6606] struct net_device *var_group1 ; [L6607] struct sk_buff *var_group2 ; [L6608] struct usb_interface *var_group3 ; [L6609] struct usb_device_id const *var_ems_usb_probe_16_p1 ; [L6610] int tmp___7 ; [L6611] int ldv_s_ems_usb_netdev_ops_net_device_ops ; [L6612] int ldv_s_ems_usb_driver_usb_driver ; [L6613] int tmp___8 ; [L6614] int tmp___9 ; [L6617] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6618] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6552] int err ; [L6556] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, driver={18446744073709551629:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, driver={18446744073709551629:0}, driver={18446744073709551629:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, arg0={18446744073709551629:0}, arg1={18446744073709551612:18446744073709551630}, arg2={18446744073709551574:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L7011] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, driver={18446744073709551629:0}, driver={18446744073709551629:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, driver={18446744073709551629:0}, driver={18446744073709551629:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6556] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6556] err = usb_register(& ems_usb_driver) [L6558] COND FALSE !(\read(err)) [L6565] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6619] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_init()=0, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] tmp___7 = ems_usb_init() [L6621] COND FALSE !(\read(tmp___7)) [L6625] ldv_s_ems_usb_netdev_ops_net_device_ops = 0 [L6626] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6628] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6631] tmp___9 = __VERIFIER_nondet_int() [L6633] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6642] tmp___8 = __VERIFIER_nondet_int() [L6644] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6647] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6650] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6691] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={18446744073709551614:0}] [L6035] struct ems_usb *dev ; [L6036] void *tmp___7 ; [L6037] struct ems_tx_urb_context *context ; [L6038] struct net_device_stats *stats ; [L6039] struct can_frame *cf ; [L6040] struct ems_cpc_msg *msg ; [L6041] struct urb *urb ; [L6042] u8 *buf ; [L6043] int i ; [L6044] int err ; [L6045] size_t size ; [L6046] int tmp___8 ; [L6047] void *tmp___9 ; [L6048] unsigned int tmp___10 ; [L6049] int tmp___11 ; [L6050] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={18446744073709551614:0}, skb={18446744073709551614:0}] [L6053] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, dev={0:-520}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6053] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-520}, netdev={0:-520}, 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={18446744073709551614:0}, skb={18446744073709551614:0}] [L6053] tmp___7 = netdev_priv((struct net_device const *)netdev) [L6054] dev = (struct ems_usb *)tmp___7 [L6055] context = (struct ems_tx_urb_context *)((void *)0) [L6056] stats = & netdev->stats [L6057] EXPR skb->data [L6057] cf = (struct can_frame *)skb->data [L6058] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}] [L6059] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551614:0}] [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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, cf={18446744073709551632:0}, dev={0:-520}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551614:0}, skb={18446744073709551614:0}, 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, cf={18446744073709551632:0}, cf->can_dlc=0, dev={0:-520}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551614:0}, skb={18446744073709551614:0}] [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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, cf={18446744073709551632:0}, dev={0:-520}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551614:0}, skb={18446744073709551614:0}, 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, cf={18446744073709551632:0}, dev={0:-520}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551614:0}, skb={18446744073709551614:0}, 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, cf={18446744073709551632:0}, dev={0:-520}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551614:0}, skb={18446744073709551614:0}, tmp___7=0, tmp___8=0] [L6059] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, can_dropped_invalid_skb(netdev, skb)=0, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}] [L6059] tmp___8 = can_dropped_invalid_skb(netdev, skb) [L6061] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0] [L6066] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6817] void *arbitrary_memory ; [L6818] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6821] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6824] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6968] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L7029] return __VERIFIER_external_alloc(); [L6968] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, external_alloc()={18446744073709551603:-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] [L6968] return (void *)external_alloc(); [L6824] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={18446744073709551603:-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] [L6824] tmp___7 = ldv_undefined_pointer() [L6825] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, arbitrary_memory={18446744073709551603:-104}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551603:-104}] [L6827] COND FALSE !(! arbitrary_memory) [L6831] ldv_urb_state = ldv_urb_state + 1 [L6832] 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={18446744073709551603:-104}, __key___7={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, arbitrary_memory={18446744073709551603:-104}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551603:-104}] [L6066] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, usb_alloc_urb(0, 32U)={18446744073709551603:-104}] [L6066] urb = usb_alloc_urb(0, 32U) [L6068] COND FALSE !(! urb) [L6076] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, dev->udev={18446744073709551571:18446744073709551598}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, urb={18446744073709551603:-104}] [L6076] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, dev={18446744073709551571:18446744073709551598}, dma={18446744073709551603:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6760] void *arbitrary_memory ; [L6761] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, dev={18446744073709551571:18446744073709551598}, dev={18446744073709551571:18446744073709551598}, dma={18446744073709551603:0}, dma={18446744073709551603:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6764] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, dev={18446744073709551571:18446744073709551598}, dev={18446744073709551571:18446744073709551598}, dma={18446744073709551603:0}, dma={18446744073709551603:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6767] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6968] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L7029] return __VERIFIER_external_alloc(); [L6968] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, external_alloc()={18446744073709551487:130}, 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] [L6968] return (void *)external_alloc(); [L6767] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, dev={18446744073709551571:18446744073709551598}, dev={18446744073709551571:18446744073709551598}, dma={18446744073709551603:0}, dma={18446744073709551603:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={18446744073709551487:130}, 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] [L6767] tmp___7 = ldv_undefined_pointer() [L6768] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, arbitrary_memory={18446744073709551487:130}, dev={18446744073709551571:18446744073709551598}, dev={18446744073709551571:18446744073709551598}, dma={18446744073709551603:0}, dma={18446744073709551603:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551487:130}] [L6770] COND FALSE !(! arbitrary_memory) [L6774] ldv_coherent_state = ldv_coherent_state + 1 [L6775] 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={18446744073709551487:130}, __key___7={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, arbitrary_memory={18446744073709551487:130}, dev={18446744073709551571:18446744073709551598}, dev={18446744073709551571:18446744073709551598}, dma={18446744073709551603:0}, dma={18446744073709551603:0}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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={18446744073709551487:130}] [L6076] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, dev->udev={18446744073709551571:18446744073709551598}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, urb={18446744073709551603:-104}, usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma)={18446744073709551487:130}] [L6076] tmp___9 = usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) [L6077] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6079] COND FALSE !(! buf) [L6087] msg = (struct ems_cpc_msg *)(buf + 4) [L6088] EXPR cf->can_id [L6088] msg->msg.can_msg.id = cf->can_id & 536870911U [L6089] EXPR cf->can_dlc [L6089] msg->msg.can_msg.length = cf->can_dlc [L6090] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, cf->can_id=18446744073709551613, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6090] COND TRUE cf->can_id & 1073741824U [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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, cf->can_id=18446744073709551613, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6091] COND TRUE cf->can_id & 2147483648U [L6092] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6096] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6119] EXPR msg->msg.can_msg.id [L6119] msg->msg.can_msg.id = msg->msg.can_msg.id [L6120] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6122] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6124] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6128] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, dev->tx_contexts[i].echo_index=4294967306, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6128] COND TRUE dev->tx_contexts[i].echo_index == 10U [L6129] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6138] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6140] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6141] EXPR dev->udev [L6141] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, dev->udev={18446744073709551571:18446744073709551598}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}, urb->transfer_dma=18446744073709551555] [L6141] CALL usb_free_coherent(dev->udev, size, (void *)buf, urb->transfer_dma) VAL [\old(dma)=18446744073709551555, \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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, addr={18446744073709551487:130}, dev={18446744073709551571:18446744073709551598}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6789] COND TRUE 1 VAL [\old(dma)=18446744073709551555, \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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, addr={18446744073709551487:130}, addr={18446744073709551487:130}, dev={18446744073709551571:18446744073709551598}, dev={18446744073709551571:18446744073709551598}, dma=18446744073709551555, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6791] COND FALSE !(! ((unsigned long )addr != (unsigned long )((void *)0))) VAL [\old(dma)=18446744073709551555, \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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, addr={18446744073709551487:130}, addr={18446744073709551487:130}, dev={18446744073709551571:18446744073709551598}, dev={18446744073709551571:18446744073709551598}, dma=18446744073709551555, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6797] COND TRUE \read(*addr) VAL [\old(dma)=18446744073709551555, \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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, addr={18446744073709551487:130}, addr={18446744073709551487:130}, dev={18446744073709551571:18446744073709551598}, dev={18446744073709551571:18446744073709551598}, dma=18446744073709551555, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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 ldv_coherent_state >= 1 VAL [\old(dma)=18446744073709551555, \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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, addr={18446744073709551487:130}, addr={18446744073709551487:130}, dev={18446744073709551571:18446744073709551598}, dev={18446744073709551571:18446744073709551598}, dma=18446744073709551555, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6804] ldv_coherent_state = ldv_coherent_state - 1 VAL [\old(dma)=18446744073709551555, \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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, addr={18446744073709551487:130}, addr={18446744073709551487:130}, dev={18446744073709551571:18446744073709551598}, dev={18446744073709551571:18446744073709551598}, dma=18446744073709551555, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6141] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, dev->udev={18446744073709551571:18446744073709551598}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, i=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}, urb->transfer_dma=18446744073709551555] [L6142] netdev->dev.parent [L6144] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, buf={18446744073709551487:130}, cf={18446744073709551632:0}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, i=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={18446744073709551487:134}, netdev={0:-520}, netdev={0:-520}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={18446744073709551614:0}, skb={18446744073709551614:0}, stats={0:-332}, tmp___7={0:-520}, tmp___8=0, tmp___9={18446744073709551487:130}, urb={18446744073709551603:-104}] [L6691] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_start_xmit(var_group2, var_group1)=16, ems_usb_table={18446744073709551616:0}, 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:-520}, var_group2={18446744073709551614:0}] [L6628] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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:-520}, var_group2={18446744073709551614:0}] [L6631] tmp___9 = __VERIFIER_nondet_int() [L6633] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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:-520}, var_group2={18446744073709551614:0}] [L6635] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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:-520}, var_group2={18446744073709551614:0}] [L6637] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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:-520}, var_group2={18446744073709551614:0}] [L6729] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6574] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6729] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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:-520}, var_group2={18446744073709551614:0}] [L6733] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6876] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6879] 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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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] [L6741] __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={18446744073709551508:0}, __key___8={18446744073709551608:0}, __this_module={18446744073709551612:18446744073709551630}, ems_usb_bittiming_const={18446744073709551590:0}, ems_usb_driver={18446744073709551629:0}, ems_usb_netdev_ops={18446744073709551559:0}, ems_usb_table={18446744073709551616:0}, 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, 39.2s OverallTime, 19 OverallIterations, 3 TraceHistogramMax, 35.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14337 SDtfs, 7615 SDslu, 25071 SDs, 0 SdLazy, 5949 SolverSat, 2597 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 29.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 57 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: 1.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 1906 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1976 NumberOfCodeBlocks, 1976 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1831 ConstructedInterpolants, 0 QuantifiedInterpolants, 292363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 141/141 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 [2018-12-01 15:51:02,102 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:51:02,103 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:51:02,111 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:51:02,111 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:51:02,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:51:02,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:51:02,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:51:02,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:51:02,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:51:02,116 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:51:02,116 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:51:02,117 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:51:02,117 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:51:02,118 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:51:02,119 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:51:02,119 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:51:02,120 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:51:02,122 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:51:02,123 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:51:02,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:51:02,124 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:51:02,126 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:51:02,126 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:51:02,126 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:51:02,127 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:51:02,128 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:51:02,128 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:51:02,129 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:51:02,130 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:51:02,130 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:51:02,130 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:51:02,130 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:51:02,131 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:51:02,131 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:51:02,131 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:51:02,132 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2018-12-01 15:51:02,142 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:51:02,142 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:51:02,142 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:51:02,142 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 15:51:02,143 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:51:02,143 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:51:02,143 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 15:51:02,143 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:51:02,143 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:51:02,144 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:51:02,144 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:51:02,144 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:51:02,144 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 15:51:02,144 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 15:51:02,144 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:51:02,144 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:51:02,144 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:51:02,144 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:51:02,144 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 15:51:02,145 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:51:02,145 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 15:51:02,145 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:51:02,145 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:51:02,145 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:51:02,145 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:51:02,145 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 15:51:02,145 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:51:02,145 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 15:51:02,145 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 15:51:02,146 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 15:51:02,146 INFO L133 SettingsManager]: * To the following directory=dump/ 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_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer 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 -> Automizer 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 -> 4905321715959318d97656bf1f42967177e7fab0 [2018-12-01 15:51:02,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:51:02,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:51:02,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:51:02,183 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:51:02,183 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:51:02,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-01 15:51:02,223 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/data/f6616bd00/772ce6fd0e38499d9f7572d639966225/FLAG0ed35e90d [2018-12-01 15:51:02,654 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:51:02,654 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-01 15:51:02,672 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/data/f6616bd00/772ce6fd0e38499d9f7572d639966225/FLAG0ed35e90d [2018-12-01 15:51:02,968 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/data/f6616bd00/772ce6fd0e38499d9f7572d639966225 [2018-12-01 15:51:02,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:51:02,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:51:02,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:51:02,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:51:02,978 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:51:02,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:51:02" (1/1) ... [2018-12-01 15:51:02,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e53af87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:02, skipping insertion in model container [2018-12-01 15:51:02,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:51:02" (1/1) ... [2018-12-01 15:51:02,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:51:03,049 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:51:03,780 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:51:03,802 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:51:03,935 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:51:04,081 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:51:04,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04 WrapperNode [2018-12-01 15:51:04,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:51:04,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:51:04,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:51:04,082 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:51:04,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04" (1/1) ... [2018-12-01 15:51:04,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04" (1/1) ... [2018-12-01 15:51:04,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:51:04,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:51:04,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:51:04,140 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:51:04,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04" (1/1) ... [2018-12-01 15:51:04,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04" (1/1) ... [2018-12-01 15:51:04,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04" (1/1) ... [2018-12-01 15:51:04,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04" (1/1) ... [2018-12-01 15:51:04,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04" (1/1) ... [2018-12-01 15:51:04,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04" (1/1) ... [2018-12-01 15:51:04,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04" (1/1) ... [2018-12-01 15:51:04,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:51:04,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:51:04,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:51:04,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:51:04,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:51:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2018-12-01 15:51:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2018-12-01 15:51:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-12-01 15:51:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2018-12-01 15:51:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2018-12-01 15:51:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2018-12-01 15:51:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start_xmit [2018-12-01 15:51:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start_xmit [2018-12-01 15:51:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-01 15:51:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2018-12-01 15:51:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2018-12-01 15:51:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2018-12-01 15:51:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2018-12-01 15:51:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-12-01 15:51:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2018-12-01 15:51:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-12-01 15:51:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:51:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 15:51:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-01 15:51:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-01 15:51:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2018-12-01 15:51:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2018-12-01 15:51:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-01 15:51:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-01 15:51:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-01 15:51:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-01 15:51:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-12-01 15:51:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2018-12-01 15:51:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure init_params_sja1000 [2018-12-01 15:51:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure init_params_sja1000 [2018-12-01 15:51:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2018-12-01 15:51:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2018-12-01 15:51:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2018-12-01 15:51:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2018-12-01 15:51:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2018-12-01 15:51:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2018-12-01 15:51:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-01 15:51:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-01 15:51:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2018-12-01 15:51:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2018-12-01 15:51:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2018-12-01 15:51:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2018-12-01 15:51:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-12-01 15:51:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-12-01 15:51:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-12-01 15:51:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2018-12-01 15:51:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2018-12-01 15:51:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-12-01 15:51:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-12-01 15:51:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2018-12-01 15:51:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2018-12-01 15:51:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-01 15:51:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-01 15:51:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2018-12-01 15:51:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2018-12-01 15:51:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2018-12-01 15:51:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2018-12-01 15:51:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2018-12-01 15:51:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2018-12-01 15:51:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-01 15:51:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-12-01 15:51:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-12-01 15:51:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-12-01 15:51:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2018-12-01 15:51:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2018-12-01 15:51:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-12-01 15:51:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-12-01 15:51:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2018-12-01 15:51:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2018-12-01 15:51:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-01 15:51:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-01 15:51:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2018-12-01 15:51:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2018-12-01 15:51:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2018-12-01 15:51:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2018-12-01 15:51:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 15:51:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 15:51:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-12-01 15:51:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-12-01 15:51:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2018-12-01 15:51:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2018-12-01 15:51:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2018-12-01 15:51:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2018-12-01 15:51:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2018-12-01 15:51:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2018-12-01 15:51:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-12-01 15:51:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-12-01 15:51:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 15:51:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 15:51:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2018-12-01 15:51:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2018-12-01 15:51:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 15:51:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-12-01 15:51:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-12-01 15:51:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2018-12-01 15:51:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2018-12-01 15:51:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2018-12-01 15:51:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2018-12-01 15:51:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2018-12-01 15:51:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2018-12-01 15:51:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-01 15:51:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2018-12-01 15:51:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2018-12-01 15:51:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2018-12-01 15:51:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2018-12-01 15:51:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2018-12-01 15:51:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2018-12-01 15:51:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_probe [2018-12-01 15:51:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_probe [2018-12-01 15:51:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2018-12-01 15:51:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2018-12-01 15:51:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 15:51:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_disconnect [2018-12-01 15:51:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_disconnect [2018-12-01 15:51:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2018-12-01 15:51:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2018-12-01 15:51:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-12-01 15:51:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2018-12-01 15:51:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_close [2018-12-01 15:51:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_close [2018-12-01 15:51:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-12-01 15:51:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2018-12-01 15:51:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2018-12-01 15:51:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2018-12-01 15:51:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2018-12-01 15:51:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2018-12-01 15:51:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2018-12-01 15:51:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2018-12-01 15:51:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-12-01 15:51:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-12-01 15:51:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-12-01 15:51:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-12-01 15:51:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 15:51:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-12-01 15:51:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2018-12-01 15:51:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 15:51:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_open [2018-12-01 15:51:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_open [2018-12-01 15:51:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 15:51:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2018-12-01 15:51:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-12-01 15:51:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2018-12-01 15:51:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-12-01 15:51:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-01 15:51:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2018-12-01 15:51:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2018-12-01 15:51:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-12-01 15:51:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-01 15:51:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-01 15:51:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2018-12-01 15:51:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2018-12-01 15:51:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-12-01 15:51:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-12-01 15:51:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2018-12-01 15:51:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2018-12-01 15:51:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2018-12-01 15:51:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2018-12-01 15:51:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-12-01 15:51:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2018-12-01 15:51:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-12-01 15:51:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-12-01 15:51:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2018-12-01 15:51:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2018-12-01 15:51:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2018-12-01 15:51:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2018-12-01 15:51:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2018-12-01 15:51:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2018-12-01 15:51:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2018-12-01 15:51:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2018-12-01 15:51:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2018-12-01 15:51:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2018-12-01 15:51:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2018-12-01 15:51:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2018-12-01 15:51:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2018-12-01 15:51:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-01 15:51:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-01 15:51:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-12-01 15:51:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2018-12-01 15:51:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2018-12-01 15:51:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2018-12-01 15:51:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:51:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:51:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_start [2018-12-01 15:51:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_start [2018-12-01 15:51:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2018-12-01 15:51:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2018-12-01 15:51:25,642 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 15:51:25,643 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 15:51:28,133 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:51:28,134 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-12-01 15:51:28,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:51:28 BoogieIcfgContainer [2018-12-01 15:51:28,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:51:28,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 15:51:28,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 15:51:28,136 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 15:51:28,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:51:02" (1/3) ... [2018-12-01 15:51:28,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f469f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:51:28, skipping insertion in model container [2018-12-01 15:51:28,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:04" (2/3) ... [2018-12-01 15:51:28,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f469f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:51:28, skipping insertion in model container [2018-12-01 15:51:28,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:51:28" (3/3) ... [2018-12-01 15:51:28,138 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko_false-unreach-call.cil.out.i [2018-12-01 15:51:28,144 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 15:51:28,149 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 15:51:28,162 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 15:51:28,183 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 15:51:28,183 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 15:51:28,184 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 15:51:28,184 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 15:51:28,184 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 15:51:28,184 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 15:51:28,184 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 15:51:28,184 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 15:51:28,184 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 15:51:28,203 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states. [2018-12-01 15:51:28,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 15:51:28,207 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:51:28,207 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] [2018-12-01 15:51:28,209 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:51:28,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:51:28,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1347966597, now seen corresponding path program 1 times [2018-12-01 15:51:28,216 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:51:28,216 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:51:28,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:51:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:28,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:51:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:28,500 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:51:28,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:51:28,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:51:28,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:51:28,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:51:28,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:51:28,516 INFO L87 Difference]: Start difference. First operand 584 states. Second operand 3 states. [2018-12-01 15:51:28,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:51:28,607 INFO L93 Difference]: Finished difference Result 1681 states and 2214 transitions. [2018-12-01 15:51:28,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:51:28,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-12-01 15:51:28,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:51:28,621 INFO L225 Difference]: With dead ends: 1681 [2018-12-01 15:51:28,621 INFO L226 Difference]: Without dead ends: 1096 [2018-12-01 15:51:28,626 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 [2018-12-01 15:51:28,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2018-12-01 15:51:28,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1092. [2018-12-01 15:51:28,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1092 states. [2018-12-01 15:51:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1340 transitions. [2018-12-01 15:51:28,700 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1340 transitions. Word has length 30 [2018-12-01 15:51:28,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:51:28,701 INFO L480 AbstractCegarLoop]: Abstraction has 1092 states and 1340 transitions. [2018-12-01 15:51:28,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:51:28,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1340 transitions. [2018-12-01 15:51:28,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 15:51:28,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:51:28,701 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] [2018-12-01 15:51:28,701 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:51:28,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:51:28,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1162298091, now seen corresponding path program 1 times [2018-12-01 15:51:28,702 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:51:28,702 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:51:28,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:51:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:28,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:51:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:28,963 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:51:28,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:51:28,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:51:28,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:51:28,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:51:28,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:51:28,966 INFO L87 Difference]: Start difference. First operand 1092 states and 1340 transitions. Second operand 3 states. [2018-12-01 15:51:29,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:51:29,056 INFO L93 Difference]: Finished difference Result 3221 states and 3989 transitions. [2018-12-01 15:51:29,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:51:29,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-12-01 15:51:29,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:51:29,068 INFO L225 Difference]: With dead ends: 3221 [2018-12-01 15:51:29,068 INFO L226 Difference]: Without dead ends: 2145 [2018-12-01 15:51:29,073 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 [2018-12-01 15:51:29,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2018-12-01 15:51:29,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2138. [2018-12-01 15:51:29,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2138 states. [2018-12-01 15:51:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 2638 transitions. [2018-12-01 15:51:29,134 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 2638 transitions. Word has length 31 [2018-12-01 15:51:29,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:51:29,135 INFO L480 AbstractCegarLoop]: Abstraction has 2138 states and 2638 transitions. [2018-12-01 15:51:29,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:51:29,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2638 transitions. [2018-12-01 15:51:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 15:51:29,137 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:51:29,137 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] [2018-12-01 15:51:29,137 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:51:29,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:51:29,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1830397495, now seen corresponding path program 1 times [2018-12-01 15:51:29,138 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:51:29,139 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:51:29,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:51:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:29,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:51:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:51:29,434 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:51:29,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:51:29,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:51:29,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 15:51:29,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 15:51:29,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:51:29,437 INFO L87 Difference]: Start difference. First operand 2138 states and 2638 transitions. Second operand 5 states. [2018-12-01 15:51:29,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:51:29,523 INFO L93 Difference]: Finished difference Result 4254 states and 5253 transitions. [2018-12-01 15:51:29,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 15:51:29,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2018-12-01 15:51:29,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:51:29,533 INFO L225 Difference]: With dead ends: 4254 [2018-12-01 15:51:29,533 INFO L226 Difference]: Without dead ends: 2138 [2018-12-01 15:51:29,539 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 [2018-12-01 15:51:29,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2018-12-01 15:51:29,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2138. [2018-12-01 15:51:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2138 states. [2018-12-01 15:51:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 2637 transitions. [2018-12-01 15:51:29,597 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 2637 transitions. Word has length 91 [2018-12-01 15:51:29,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:51:29,598 INFO L480 AbstractCegarLoop]: Abstraction has 2138 states and 2637 transitions. [2018-12-01 15:51:29,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 15:51:29,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2637 transitions. [2018-12-01 15:51:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 15:51:29,601 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:51:29,601 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] [2018-12-01 15:51:29,601 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:51:29,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:51:29,601 INFO L82 PathProgramCache]: Analyzing trace with hash -876168600, now seen corresponding path program 1 times [2018-12-01 15:51:29,602 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:51:29,602 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:51:29,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:51:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:29,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:51:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:51:29,994 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:51:29,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:51:29,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 15:51:29,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 15:51:29,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 15:51:29,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 15:51:29,996 INFO L87 Difference]: Start difference. First operand 2138 states and 2637 transitions. Second operand 7 states. [2018-12-01 15:51:30,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:51:30,123 INFO L93 Difference]: Finished difference Result 4118 states and 5084 transitions. [2018-12-01 15:51:30,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 15:51:30,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-12-01 15:51:30,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:51:30,130 INFO L225 Difference]: With dead ends: 4118 [2018-12-01 15:51:30,130 INFO L226 Difference]: Without dead ends: 1998 [2018-12-01 15:51:30,134 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 [2018-12-01 15:51:30,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2018-12-01 15:51:30,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1994. [2018-12-01 15:51:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2018-12-01 15:51:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2443 transitions. [2018-12-01 15:51:30,182 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2443 transitions. Word has length 91 [2018-12-01 15:51:30,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:51:30,182 INFO L480 AbstractCegarLoop]: Abstraction has 1994 states and 2443 transitions. [2018-12-01 15:51:30,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 15:51:30,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2443 transitions. [2018-12-01 15:51:30,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 15:51:30,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:51:30,183 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] [2018-12-01 15:51:30,183 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:51:30,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:51:30,184 INFO L82 PathProgramCache]: Analyzing trace with hash -864852473, now seen corresponding path program 1 times [2018-12-01 15:51:30,184 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:51:30,184 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:51:30,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:51:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:30,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:51:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:51:30,905 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:51:30,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:51:30,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 15:51:30,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 15:51:30,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 15:51:30,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 15:51:30,911 INFO L87 Difference]: Start difference. First operand 1994 states and 2443 transitions. Second operand 4 states. [2018-12-01 15:51:31,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:51:31,010 INFO L93 Difference]: Finished difference Result 3970 states and 4880 transitions. [2018-12-01 15:51:31,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 15:51:31,010 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-01 15:51:31,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:51:31,016 INFO L225 Difference]: With dead ends: 3970 [2018-12-01 15:51:31,016 INFO L226 Difference]: Without dead ends: 1994 [2018-12-01 15:51:31,021 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 [2018-12-01 15:51:31,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2018-12-01 15:51:31,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1994. [2018-12-01 15:51:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2018-12-01 15:51:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2435 transitions. [2018-12-01 15:51:31,062 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2435 transitions. Word has length 91 [2018-12-01 15:51:31,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:51:31,062 INFO L480 AbstractCegarLoop]: Abstraction has 1994 states and 2435 transitions. [2018-12-01 15:51:31,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 15:51:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2435 transitions. [2018-12-01 15:51:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 15:51:31,063 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:51:31,063 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] [2018-12-01 15:51:31,064 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:51:31,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:51:31,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1376763291, now seen corresponding path program 1 times [2018-12-01 15:51:31,065 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:51:31,065 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:51:31,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:51:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:31,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:51:31,857 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:31,857 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:51:31,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:51:31,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 15:51:31,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 15:51:31,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 15:51:31,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 15:51:31,862 INFO L87 Difference]: Start difference. First operand 1994 states and 2435 transitions. Second operand 6 states. [2018-12-01 15:52:07,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:52:07,688 INFO L93 Difference]: Finished difference Result 5924 states and 7632 transitions. [2018-12-01 15:52:07,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 15:52:07,688 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2018-12-01 15:52:07,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:52:07,704 INFO L225 Difference]: With dead ends: 5924 [2018-12-01 15:52:07,704 INFO L226 Difference]: Without dead ends: 4843 [2018-12-01 15:52:07,709 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 [2018-12-01 15:52:07,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4843 states. [2018-12-01 15:52:07,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4843 to 4696. [2018-12-01 15:52:07,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4696 states. [2018-12-01 15:52:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4696 states and 6059 transitions. [2018-12-01 15:52:07,826 INFO L78 Accepts]: Start accepts. Automaton has 4696 states and 6059 transitions. Word has length 92 [2018-12-01 15:52:07,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:52:07,826 INFO L480 AbstractCegarLoop]: Abstraction has 4696 states and 6059 transitions. [2018-12-01 15:52:07,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 15:52:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 6059 transitions. [2018-12-01 15:52:07,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 15:52:07,827 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:52:07,827 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] [2018-12-01 15:52:07,827 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:52:07,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:52:07,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1747541226, now seen corresponding path program 1 times [2018-12-01 15:52:07,828 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:52:07,828 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:52:07,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:52:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:52:08,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:52:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:52:08,136 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:52:08,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:52:08,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:52:08,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:52:08,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:52:08,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:52:08,139 INFO L87 Difference]: Start difference. First operand 4696 states and 6059 transitions. Second operand 3 states. [2018-12-01 15:52:08,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:52:08,268 INFO L93 Difference]: Finished difference Result 9572 states and 12497 transitions. [2018-12-01 15:52:08,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:52:08,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2018-12-01 15:52:08,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:52:08,282 INFO L225 Difference]: With dead ends: 9572 [2018-12-01 15:52:08,282 INFO L226 Difference]: Without dead ends: 4900 [2018-12-01 15:52:08,291 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 [2018-12-01 15:52:08,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4900 states. [2018-12-01 15:52:08,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4900 to 4891. [2018-12-01 15:52:08,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4891 states. [2018-12-01 15:52:08,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4891 states to 4891 states and 6426 transitions. [2018-12-01 15:52:08,402 INFO L78 Accepts]: Start accepts. Automaton has 4891 states and 6426 transitions. Word has length 106 [2018-12-01 15:52:08,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:52:08,403 INFO L480 AbstractCegarLoop]: Abstraction has 4891 states and 6426 transitions. [2018-12-01 15:52:08,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:52:08,403 INFO L276 IsEmpty]: Start isEmpty. Operand 4891 states and 6426 transitions. [2018-12-01 15:52:08,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 15:52:08,404 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:52:08,404 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-01 15:52:08,404 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:52:08,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:52:08,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1396982302, now seen corresponding path program 1 times [2018-12-01 15:52:08,405 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:52:08,405 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:52:08,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:52:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:52:08,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:52:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:52:08,690 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:52:08,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:52:08,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:52:08,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 15:52:08,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 15:52:08,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:52:08,693 INFO L87 Difference]: Start difference. First operand 4891 states and 6426 transitions. Second operand 5 states. [2018-12-01 15:52:10,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:52:10,892 INFO L93 Difference]: Finished difference Result 9852 states and 12928 transitions. [2018-12-01 15:52:10,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 15:52:10,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-12-01 15:52:10,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:52:10,904 INFO L225 Difference]: With dead ends: 9852 [2018-12-01 15:52:10,904 INFO L226 Difference]: Without dead ends: 4971 [2018-12-01 15:52:10,913 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:52:10,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4971 states. [2018-12-01 15:52:11,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4971 to 4921. [2018-12-01 15:52:11,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4921 states. [2018-12-01 15:52:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4921 states to 4921 states and 6454 transitions. [2018-12-01 15:52:11,050 INFO L78 Accepts]: Start accepts. Automaton has 4921 states and 6454 transitions. Word has length 134 [2018-12-01 15:52:11,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:52:11,051 INFO L480 AbstractCegarLoop]: Abstraction has 4921 states and 6454 transitions. [2018-12-01 15:52:11,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 15:52:11,051 INFO L276 IsEmpty]: Start isEmpty. Operand 4921 states and 6454 transitions. [2018-12-01 15:52:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 15:52:11,052 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:52:11,052 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] [2018-12-01 15:52:11,052 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:52:11,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:52:11,052 INFO L82 PathProgramCache]: Analyzing trace with hash -130443713, now seen corresponding path program 1 times [2018-12-01 15:52:11,053 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:52:11,053 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:52:11,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:52:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:52:11,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:52:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:52:11,447 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:52:11,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:52:11,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 15:52:11,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 15:52:11,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 15:52:11,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 15:52:11,450 INFO L87 Difference]: Start difference. First operand 4921 states and 6454 transitions. Second operand 7 states. [2018-12-01 15:52:11,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:52:11,607 INFO L93 Difference]: Finished difference Result 8757 states and 11549 transitions. [2018-12-01 15:52:11,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 15:52:11,608 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2018-12-01 15:52:11,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:52:11,620 INFO L225 Difference]: With dead ends: 8757 [2018-12-01 15:52:11,620 INFO L226 Difference]: Without dead ends: 4796 [2018-12-01 15:52:11,628 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 [2018-12-01 15:52:11,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4796 states. [2018-12-01 15:52:11,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4796 to 4788. [2018-12-01 15:52:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4788 states. [2018-12-01 15:52:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4788 states to 4788 states and 6271 transitions. [2018-12-01 15:52:11,721 INFO L78 Accepts]: Start accepts. Automaton has 4788 states and 6271 transitions. Word has length 104 [2018-12-01 15:52:11,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:52:11,722 INFO L480 AbstractCegarLoop]: Abstraction has 4788 states and 6271 transitions. [2018-12-01 15:52:11,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 15:52:11,722 INFO L276 IsEmpty]: Start isEmpty. Operand 4788 states and 6271 transitions. [2018-12-01 15:52:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 15:52:11,723 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:52:11,723 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] [2018-12-01 15:52:11,723 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:52:11,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:52:11,723 INFO L82 PathProgramCache]: Analyzing trace with hash 2087314240, now seen corresponding path program 1 times [2018-12-01 15:52:11,724 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:52:11,724 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:52:11,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:52:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:52:12,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:52:12,460 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:52:12,460 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:52:12,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:52:12,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:52:12,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:52:12,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:52:12,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:52:12,467 INFO L87 Difference]: Start difference. First operand 4788 states and 6271 transitions. Second operand 3 states. [2018-12-01 15:52:12,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:52:12,625 INFO L93 Difference]: Finished difference Result 6903 states and 9107 transitions. [2018-12-01 15:52:12,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:52:12,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-12-01 15:52:12,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:52:12,640 INFO L225 Difference]: With dead ends: 6903 [2018-12-01 15:52:12,640 INFO L226 Difference]: Without dead ends: 4885 [2018-12-01 15:52:12,646 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 [2018-12-01 15:52:12,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2018-12-01 15:52:12,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4792. [2018-12-01 15:52:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4792 states. [2018-12-01 15:52:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 6275 transitions. [2018-12-01 15:52:12,740 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 6275 transitions. Word has length 104 [2018-12-01 15:52:12,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:52:12,740 INFO L480 AbstractCegarLoop]: Abstraction has 4792 states and 6275 transitions. [2018-12-01 15:52:12,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:52:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 6275 transitions. [2018-12-01 15:52:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 15:52:12,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:52:12,741 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] [2018-12-01 15:52:12,742 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:52:12,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:52:12,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1462421727, now seen corresponding path program 1 times [2018-12-01 15:52:12,742 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:52:12,743 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:52:12,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:52:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:52:13,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:52:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:52:13,459 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 15:52:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:52:13,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 15:52:13,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-01 15:52:13,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 15:52:13,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 15:52:13,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 15:52:13,628 INFO L87 Difference]: Start difference. First operand 4792 states and 6275 transitions. Second operand 10 states. [2018-12-01 15:53:53,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:53:53,403 INFO L93 Difference]: Finished difference Result 24413 states and 34386 transitions. [2018-12-01 15:53:53,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-01 15:53:53,405 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2018-12-01 15:53:53,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:53:53,459 INFO L225 Difference]: With dead ends: 24413 [2018-12-01 15:53:53,460 INFO L226 Difference]: Without dead ends: 21897 [2018-12-01 15:53:53,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2018-12-01 15:53:53,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21897 states. [2018-12-01 15:53:53,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21897 to 21618. [2018-12-01 15:53:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21618 states. [2018-12-01 15:53:54,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21618 states to 21618 states and 30756 transitions. [2018-12-01 15:53:54,054 INFO L78 Accepts]: Start accepts. Automaton has 21618 states and 30756 transitions. Word has length 106 [2018-12-01 15:53:54,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:53:54,054 INFO L480 AbstractCegarLoop]: Abstraction has 21618 states and 30756 transitions. [2018-12-01 15:53:54,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 15:53:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 21618 states and 30756 transitions. [2018-12-01 15:53:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-01 15:53:54,055 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:53:54,056 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] [2018-12-01 15:53:54,056 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:53:54,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:53:54,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1867598771, now seen corresponding path program 1 times [2018-12-01 15:53:54,056 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:53:54,056 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:53:54,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:53:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:53:54,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:53:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:53:54,377 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:53:54,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:53:54,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 15:53:54,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 15:53:54,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 15:53:54,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 15:53:54,380 INFO L87 Difference]: Start difference. First operand 21618 states and 30756 transitions. Second operand 7 states. [2018-12-01 15:53:54,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:53:54,916 INFO L93 Difference]: Finished difference Result 36328 states and 52048 transitions. [2018-12-01 15:53:54,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 15:53:54,917 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 126 [2018-12-01 15:53:54,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:53:54,954 INFO L225 Difference]: With dead ends: 36328 [2018-12-01 15:53:54,954 INFO L226 Difference]: Without dead ends: 14736 [2018-12-01 15:53:55,003 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 [2018-12-01 15:53:55,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14736 states. [2018-12-01 15:53:55,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14736 to 14606. [2018-12-01 15:53:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14606 states. [2018-12-01 15:53:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14606 states to 14606 states and 19869 transitions. [2018-12-01 15:53:55,419 INFO L78 Accepts]: Start accepts. Automaton has 14606 states and 19869 transitions. Word has length 126 [2018-12-01 15:53:55,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:53:55,420 INFO L480 AbstractCegarLoop]: Abstraction has 14606 states and 19869 transitions. [2018-12-01 15:53:55,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 15:53:55,420 INFO L276 IsEmpty]: Start isEmpty. Operand 14606 states and 19869 transitions. [2018-12-01 15:53:55,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 15:53:55,421 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:53:55,422 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] [2018-12-01 15:53:55,422 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:53:55,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:53:55,422 INFO L82 PathProgramCache]: Analyzing trace with hash 556266145, now seen corresponding path program 1 times [2018-12-01 15:53:55,423 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:53:55,423 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:53:55,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:53:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:53:56,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:53:56,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:53:56,113 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:53:56,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:53:56,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 15:53:56,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 15:53:56,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 15:53:56,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 15:53:56,118 INFO L87 Difference]: Start difference. First operand 14606 states and 19869 transitions. Second operand 4 states. [2018-12-01 15:53:56,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:53:56,487 INFO L93 Difference]: Finished difference Result 29252 states and 41042 transitions. [2018-12-01 15:53:56,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 15:53:56,488 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2018-12-01 15:53:56,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:53:56,520 INFO L225 Difference]: With dead ends: 29252 [2018-12-01 15:53:56,521 INFO L226 Difference]: Without dead ends: 14628 [2018-12-01 15:53:56,548 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 [2018-12-01 15:53:56,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14628 states. [2018-12-01 15:53:56,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14628 to 14628. [2018-12-01 15:53:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14628 states. [2018-12-01 15:53:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14628 states to 14628 states and 19891 transitions. [2018-12-01 15:53:56,896 INFO L78 Accepts]: Start accepts. Automaton has 14628 states and 19891 transitions. Word has length 131 [2018-12-01 15:53:56,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:53:56,896 INFO L480 AbstractCegarLoop]: Abstraction has 14628 states and 19891 transitions. [2018-12-01 15:53:56,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 15:53:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 14628 states and 19891 transitions. [2018-12-01 15:53:56,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-01 15:53:56,898 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:53:56,898 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] [2018-12-01 15:53:56,899 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:53:56,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:53:56,899 INFO L82 PathProgramCache]: Analyzing trace with hash 44982954, now seen corresponding path program 1 times [2018-12-01 15:53:56,899 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:53:56,899 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:53:56,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:53:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:53:57,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:53:57,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:53:57,594 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 15:53:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:53:57,772 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:53:57,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-12-01 15:53:57,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 15:53:57,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 15:53:57,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-01 15:53:57,773 INFO L87 Difference]: Start difference. First operand 14628 states and 19891 transitions. Second operand 8 states. [2018-12-01 15:53:58,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:53:58,237 INFO L93 Difference]: Finished difference Result 29384 states and 41218 transitions. [2018-12-01 15:53:58,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 15:53:58,238 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2018-12-01 15:53:58,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:53:58,270 INFO L225 Difference]: With dead ends: 29384 [2018-12-01 15:53:58,271 INFO L226 Difference]: Without dead ends: 14694 [2018-12-01 15:53:58,301 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 256 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-12-01 15:53:58,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14694 states. [2018-12-01 15:53:58,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14694 to 14694. [2018-12-01 15:53:58,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14694 states. [2018-12-01 15:53:58,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14694 states to 14694 states and 19957 transitions. [2018-12-01 15:53:58,745 INFO L78 Accepts]: Start accepts. Automaton has 14694 states and 19957 transitions. Word has length 132 [2018-12-01 15:53:58,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:53:58,745 INFO L480 AbstractCegarLoop]: Abstraction has 14694 states and 19957 transitions. [2018-12-01 15:53:58,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 15:53:58,746 INFO L276 IsEmpty]: Start isEmpty. Operand 14694 states and 19957 transitions. [2018-12-01 15:53:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-01 15:53:58,747 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:53:58,747 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] [2018-12-01 15:53:58,747 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:53:58,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:53:58,748 INFO L82 PathProgramCache]: Analyzing trace with hash 450749642, now seen corresponding path program 1 times [2018-12-01 15:53:58,748 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:53:58,748 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-01 15:53:58,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:53:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:53:58,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:53:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:53:59,009 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:53:59,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:53:59,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:53:59,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:53:59,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:53:59,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:53:59,013 INFO L87 Difference]: Start difference. First operand 14694 states and 19957 transitions. Second operand 3 states. [2018-12-01 15:53:59,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:53:59,358 INFO L93 Difference]: Finished difference Result 28775 states and 39636 transitions. [2018-12-01 15:53:59,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:53:59,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-12-01 15:53:59,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:53:59,390 INFO L225 Difference]: With dead ends: 28775 [2018-12-01 15:53:59,391 INFO L226 Difference]: Without dead ends: 14534 [2018-12-01 15:53:59,417 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 [2018-12-01 15:53:59,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14534 states. [2018-12-01 15:53:59,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14534 to 14337. [2018-12-01 15:53:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14337 states. [2018-12-01 15:53:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14337 states to 14337 states and 19456 transitions. [2018-12-01 15:53:59,768 INFO L78 Accepts]: Start accepts. Automaton has 14337 states and 19456 transitions. Word has length 125 [2018-12-01 15:53:59,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:53:59,768 INFO L480 AbstractCegarLoop]: Abstraction has 14337 states and 19456 transitions. [2018-12-01 15:53:59,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:53:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 14337 states and 19456 transitions. [2018-12-01 15:53:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 15:53:59,770 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:53:59,770 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:53:59,770 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:53:59,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:53:59,771 INFO L82 PathProgramCache]: Analyzing trace with hash -2025313055, now seen corresponding path program 2 times [2018-12-01 15:53:59,771 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:53:59,771 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:53:59,796 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-01 15:54:00,500 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-01 15:54:00,501 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 15:54:00,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:54:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 15:54:00,588 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 15:54:00,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:54:00,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 15:54:00,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 15:54:00,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 15:54:00,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:54:00,593 INFO L87 Difference]: Start difference. First operand 14337 states and 19456 transitions. Second operand 5 states. [2018-12-01 15:54:01,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:54:01,023 INFO L93 Difference]: Finished difference Result 28552 states and 39267 transitions. [2018-12-01 15:54:01,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 15:54:01,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-12-01 15:54:01,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:54:01,056 INFO L225 Difference]: With dead ends: 28552 [2018-12-01 15:54:01,057 INFO L226 Difference]: Without dead ends: 14668 [2018-12-01 15:54:01,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 15:54:01,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14668 states. [2018-12-01 15:54:01,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14668 to 14337. [2018-12-01 15:54:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14337 states. [2018-12-01 15:54:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14337 states to 14337 states and 19421 transitions. [2018-12-01 15:54:01,526 INFO L78 Accepts]: Start accepts. Automaton has 14337 states and 19421 transitions. Word has length 135 [2018-12-01 15:54:01,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:54:01,527 INFO L480 AbstractCegarLoop]: Abstraction has 14337 states and 19421 transitions. [2018-12-01 15:54:01,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 15:54:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 14337 states and 19421 transitions. [2018-12-01 15:54:01,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 15:54:01,528 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:54:01,528 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] [2018-12-01 15:54:01,528 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:54:01,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:54:01,528 INFO L82 PathProgramCache]: Analyzing trace with hash 426887877, now seen corresponding path program 1 times [2018-12-01 15:54:01,529 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 15:54:01,529 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_044180c5-e8fb-4b61-8934-b0621f88c832/bin-2019/uautomizer/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 [2018-12-01 15:54:01,547 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 15:55:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:57:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:57:01,910 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 15:57:01,998 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# [2018-12-01 15:57:01,998 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# [2018-12-01 15:57:01,998 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### [2018-12-01 15:57:01,998 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## [2018-12-01 15:57:01,999 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# [2018-12-01 15:57:01,999 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)# [2018-12-01 15:57:01,999 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### [2018-12-01 15:57:01,999 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# [2018-12-01 15:57:01,999 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## [2018-12-01 15:57:01,999 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### [2018-12-01 15:57:02,000 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)# [2018-12-01 15:57:02,000 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### [2018-12-01 15:57:02,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:57:02 BoogieIcfgContainer [2018-12-01 15:57:02,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 15:57:02,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:57:02,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:57:02,059 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:57:02,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:51:28" (3/4) ... [2018-12-01 15:57:02,062 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 15:57:02,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:57:02,062 INFO L168 Benchmark]: Toolchain (without parser) took 359090.68 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 932.6 MB in the beginning and 1.9 GB in the end (delta: -930.8 MB). Peak memory consumption was 700.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:57:02,063 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-01 15:57:02,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1108.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 932.6 MB in the beginning and 940.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 170.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:57:02,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.17 ms. Allocated memory is still 1.2 GB. Free memory is still 940.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:57:02,064 INFO L168 Benchmark]: Boogie Preprocessor took 83.74 ms. Allocated memory is still 1.2 GB. Free memory was 940.9 MB in the beginning and 924.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:57:02,064 INFO L168 Benchmark]: RCFGBuilder took 23910.68 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 924.2 MB in the beginning and 1.6 GB in the end (delta: -708.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-01 15:57:02,064 INFO L168 Benchmark]: TraceAbstraction took 333924.41 ms. Allocated memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: -55.1 MB). Free memory was 1.6 GB in the beginning and 1.9 GB in the end (delta: -231.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:57:02,065 INFO L168 Benchmark]: Witness Printer took 2.77 ms. Allocated memory is still 2.7 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:57:02,066 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1108.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 932.6 MB in the beginning and 940.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 170.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.17 ms. Allocated memory is still 1.2 GB. Free memory is still 940.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.74 ms. Allocated memory is still 1.2 GB. Free memory was 940.9 MB in the beginning and 924.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 23910.68 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 924.2 MB in the beginning and 1.6 GB in the end (delta: -708.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * TraceAbstraction took 333924.41 ms. Allocated memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: -55.1 MB). Free memory was 1.6 GB in the beginning and 1.9 GB in the end (delta: -231.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.77 ms. Allocated memory is still 2.7 GB. Free memory is still 1.9 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~~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~~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~~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~~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~~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~~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~~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~~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~~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~~lock_class_key?subkeys~ARRAY#_unrecognizedDimensions_~STRUCT~~lockdep_subclass_key?__one_byte~CHAR### * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6741]: 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}}; [L6234-L6274] 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}; [L6275-L6279] 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}; [L6530-L6548] 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}; [L6601] int LDV_IN_INTERRUPT ; [L6602] static int res_ems_usb_open_10 ; [L6603] static int res_ems_usb_close_12 ; [L6604] static int res_ems_usb_probe_16 ; [L6754] int ldv_urb_state = 0; [L6755] 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={-2146959355:0}, __key___8={813697059:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6606] struct net_device *var_group1 ; [L6607] struct sk_buff *var_group2 ; [L6608] struct usb_interface *var_group3 ; [L6609] struct usb_device_id const *var_ems_usb_probe_16_p1 ; [L6610] int tmp___7 ; [L6611] int ldv_s_ems_usb_netdev_ops_net_device_ops ; [L6612] int ldv_s_ems_usb_driver_usb_driver ; [L6613] int tmp___8 ; [L6614] int tmp___9 ; [L6617] 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={-2146959355:0}, __key___8={813697059:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6618] 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={-2146959355:0}, __key___8={813697059:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] 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={-2146959355:0}, __key___8={813697059:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6552] int err ; [L6556] 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={-2146959355:0}, __key___8={813697059:0}, driver={1073741825:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={-2146959355:0}, __key___8={813697059:0}, driver={1073741825:0}, driver={1073741825:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={-2146959355:0}, __key___8={813697059:0}, arg0={1073741825:0}, arg1={0:0}, arg2={-2146959359:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L7011] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, driver={1073741825:0}, driver={1073741825:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, driver={1073741825:0}, driver={1073741825:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6556] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6556] err = usb_register(& ems_usb_driver) [L6558] COND FALSE !(\read(err)) [L6565] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6619] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_init()=0, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] tmp___7 = ems_usb_init() [L6621] COND FALSE !(\read(tmp___7)) [L6625] ldv_s_ems_usb_netdev_ops_net_device_ops = 0 [L6626] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6628] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6631] tmp___9 = __VERIFIER_nondet_int() [L6633] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6642] tmp___8 = __VERIFIER_nondet_int() [L6644] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6647] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6650] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6691] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}] [L6035] struct ems_usb *dev ; [L6036] void *tmp___7 ; [L6037] struct ems_tx_urb_context *context ; [L6038] struct net_device_stats *stats ; [L6039] struct can_frame *cf ; [L6040] struct ems_cpc_msg *msg ; [L6041] struct urb *urb ; [L6042] u8 *buf ; [L6043] int i ; [L6044] int err ; [L6045] size_t size ; [L6046] int tmp___8 ; [L6047] void *tmp___9 ; [L6048] unsigned int tmp___10 ; [L6049] int tmp___11 ; [L6050] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-410}] [L6053] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, dev={0:-2952}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6053] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-410}] [L6053] tmp___7 = netdev_priv((struct net_device const *)netdev) [L6054] dev = (struct ems_usb *)tmp___7 [L6055] context = (struct ems_tx_urb_context *)((void *)0) [L6056] stats = & netdev->stats [L6057] EXPR skb->data [L6057] cf = (struct can_frame *)skb->data [L6058] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}] [L6059] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, dev={0:-2952}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, cf={4194304:-195}, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, cf={4194304:-195}, cf->can_dlc=7, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, cf={4194304:-195}, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, cf={4194304:-195}, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, cf={4194304:-195}, dev={0:-2952}, dev={0:-2952}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-410}, tmp___7=0, tmp___8=0] [L6059] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, can_dropped_invalid_skb(netdev, skb)=0, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}] [L6059] tmp___8 = can_dropped_invalid_skb(netdev, skb) [L6061] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0] [L6066] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6817] void *arbitrary_memory ; [L6818] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6821] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6824] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6968] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L7029] return __VERIFIER_external_alloc(); [L6968] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, external_alloc()={4194304:-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] [L6968] return (void *)external_alloc(); [L6824] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={4194304:-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] [L6824] tmp___7 = ldv_undefined_pointer() [L6825] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, arbitrary_memory={4194304:-298}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-298}] [L6827] COND FALSE !(! arbitrary_memory) [L6831] ldv_urb_state = ldv_urb_state + 1 [L6832] 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={4194304:-298}, __key___7={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, arbitrary_memory={4194304:-298}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-298}] [L6066] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, usb_alloc_urb(0, 32U)={4194304:-298}] [L6066] urb = usb_alloc_urb(0, 32U) [L6068] COND FALSE !(! urb) [L6076] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, cf={4194304:-195}, context={0:0}, dev={0:-520}, dev->udev={0:-17041902}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, urb={4194304:-298}] [L6076] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, dev={0:-17041902}, dma={4194304:-194}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6760] void *arbitrary_memory ; [L6761] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, dev={0:-17041902}, dev={0:-17041902}, dma={4194304:-194}, dma={4194304:-194}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6764] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, dev={0:-17041902}, dev={0:-17041902}, dma={4194304:-194}, dma={4194304:-194}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6767] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6968] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L7029] return __VERIFIER_external_alloc(); [L6968] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, external_alloc()={4194304:-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] [L6968] return (void *)external_alloc(); [L6767] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, dev={0:-17041902}, dev={0:-17041902}, dma={4194304:-194}, dma={4194304:-194}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={4194304:-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] [L6767] tmp___7 = ldv_undefined_pointer() [L6768] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, arbitrary_memory={4194304:-199}, dev={0:-17041902}, dev={0:-17041902}, dma={4194304:-194}, dma={4194304:-194}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-199}] [L6770] COND FALSE !(! arbitrary_memory) [L6774] ldv_coherent_state = ldv_coherent_state + 1 [L6775] 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={4194304:-199}, __key___7={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, arbitrary_memory={4194304:-199}, dev={0:-17041902}, dev={0:-17041902}, dma={4194304:-194}, dma={4194304:-194}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-199}] [L6076] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, cf={4194304:-195}, context={0:0}, dev={0:-520}, dev->udev={0:-17041902}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, urb={4194304:-298}, usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma)={4194304:-199}] [L6076] tmp___9 = usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) [L6077] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6079] COND FALSE !(! buf) [L6087] msg = (struct ems_cpc_msg *)(buf + 4) [L6088] EXPR cf->can_id [L6088] msg->msg.can_msg.id = cf->can_id & 536870911U [L6089] EXPR cf->can_dlc [L6089] msg->msg.can_msg.length = cf->can_dlc [L6090] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, cf->can_id=-1073741761, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6090] COND TRUE cf->can_id & 1073741824U [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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, cf->can_id=-1073741761, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6091] COND TRUE cf->can_id & 2147483648U [L6092] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6096] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6119] EXPR msg->msg.can_msg.id [L6119] msg->msg.can_msg.id = msg->msg.can_msg.id [L6120] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6122] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6124] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6128] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, dev->tx_contexts[i].echo_index=10, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6128] COND TRUE dev->tx_contexts[i].echo_index == 10U [L6129] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6138] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6140] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6141] EXPR dev->udev [L6141] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, dev->udev={0:-17041902}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, i=0, ldv_coherent_state=1, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}, urb->transfer_dma=68719476741] [L6141] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, addr={4194304:-199}, dev={0:-17041902}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6789] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, addr={4194304:-199}, addr={4194304:-199}, dev={0:-17041902}, dev={0:-17041902}, dma=68719476741, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6791] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, addr={4194304:-199}, addr={4194304:-199}, dev={0:-17041902}, dev={0:-17041902}, dma=68719476741, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6797] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, addr={4194304:-199}, addr={4194304:-199}, dev={0:-17041902}, dev={0:-17041902}, dma=68719476741, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, addr={4194304:-199}, addr={4194304:-199}, dev={0:-17041902}, dev={0:-17041902}, dma=68719476741, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6804] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, addr={4194304:-199}, addr={4194304:-199}, dev={0:-17041902}, dev={0:-17041902}, dma=68719476741, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6141] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, dev->udev={0:-17041902}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, i=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}, urb->transfer_dma=68719476741] [L6142] netdev->dev.parent [L6144] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, buf={4194304:-199}, cf={4194304:-195}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, i=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, msg={4194304:-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={4194304:-410}, skb={4194304:-410}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={4194304:-199}, urb={4194304:-298}] [L6691] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_start_xmit(var_group2, var_group1)=16, ems_usb_table={513:0}, 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={4194304:-410}] [L6628] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}] [L6631] tmp___9 = __VERIFIER_nondet_int() [L6633] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}] [L6635] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}] [L6637] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}] [L6729] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6574] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6729] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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={4194304:-410}] [L6733] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6876] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6879] 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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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] [L6741] __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={-2146959355:0}, __key___8={813697059:0}, __this_module={0:0}, ems_usb_bittiming_const={4194304:0}, ems_usb_driver={1073741825:0}, ems_usb_netdev_ops={813695023:0}, ems_usb_table={513:0}, 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, 333.8s OverallTime, 17 OverallIterations, 4 TraceHistogramMax, 141.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12504 SDtfs, 11511 SDslu, 26626 SDs, 0 SdLazy, 8618 SolverSat, 6093 SolverUnsat, 49 SolverUnknown, 0 SolverNotchecked, 131.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1876 GetRequests, 1803 SyntacticMatches, 4 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21618occurred 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: 3.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 1259 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 122.9s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1756 NumberOfCodeBlocks, 1752 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1849 ConstructedInterpolants, 0 QuantifiedInterpolants, 315660 SizeOfPredicates, 38 NumberOfNonLiveVariables, 12807 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 99/108 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...