./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/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 a9e5580db0773458338574d04b29d7b85a7b31f0 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/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 a9e5580db0773458338574d04b29d7b85a7b31f0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:07:06,930 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:07:06,931 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:07:06,938 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:07:06,938 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:07:06,939 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:07:06,940 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:07:06,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:07:06,942 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:07:06,942 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:07:06,943 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:07:06,943 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:07:06,944 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:07:06,944 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:07:06,945 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:07:06,946 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:07:06,946 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:07:06,947 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:07:06,949 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:07:06,950 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:07:06,951 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:07:06,951 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:07:06,953 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:07:06,953 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:07:06,953 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:07:06,954 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:07:06,955 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:07:06,955 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:07:06,956 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:07:06,956 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:07:06,957 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:07:06,957 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:07:06,957 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:07:06,957 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:07:06,958 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:07:06,959 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:07:06,959 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-28 12:07:06,969 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:07:06,969 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:07:06,970 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:07:06,970 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:07:06,970 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:07:06,970 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:07:06,971 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:07:06,971 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:07:06,971 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:07:06,971 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:07:06,971 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:07:06,971 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:07:06,971 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:07:06,972 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:07:06,972 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:07:06,972 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:07:06,972 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:07:06,972 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:07:06,972 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:07:06,972 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:07:06,973 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:07:06,973 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:07:06,973 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:07:06,973 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:07:06,973 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:07:06,973 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:07:06,973 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:07:06,974 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-28 12:07:06,974 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_8082247c-8850-43cc-84a8-4c2c33cf4fd0/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 -> a9e5580db0773458338574d04b29d7b85a7b31f0 [2018-11-28 12:07:06,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:07:07,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:07:07,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:07:07,007 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:07:07,008 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:07:07,008 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-11-28 12:07:07,043 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/data/aea40c923/6a645861510a435f8d8dd75830add2cc/FLAG0aa27ea1b [2018-11-28 12:07:07,585 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:07:07,585 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-11-28 12:07:07,606 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/data/aea40c923/6a645861510a435f8d8dd75830add2cc/FLAG0aa27ea1b [2018-11-28 12:07:08,026 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/data/aea40c923/6a645861510a435f8d8dd75830add2cc [2018-11-28 12:07:08,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:07:08,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:07:08,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:07:08,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:07:08,033 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:07:08,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:07:08" (1/1) ... [2018-11-28 12:07:08,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fee3476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:08, skipping insertion in model container [2018-11-28 12:07:08,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:07:08" (1/1) ... [2018-11-28 12:07:08,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:07:08,101 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:07:08,845 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:07:08,865 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:07:08,994 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:07:09,034 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:07:09,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09 WrapperNode [2018-11-28 12:07:09,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:07:09,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:07:09,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:07:09,036 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:07:09,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09" (1/1) ... [2018-11-28 12:07:09,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09" (1/1) ... [2018-11-28 12:07:09,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:07:09,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:07:09,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:07:09,074 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:07:09,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09" (1/1) ... [2018-11-28 12:07:09,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09" (1/1) ... [2018-11-28 12:07:09,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09" (1/1) ... [2018-11-28 12:07:09,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09" (1/1) ... [2018-11-28 12:07:09,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09" (1/1) ... [2018-11-28 12:07:09,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09" (1/1) ... [2018-11-28 12:07:09,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09" (1/1) ... [2018-11-28 12:07:09,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:07:09,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:07:09,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:07:09,138 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:07:09,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/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 [2018-11-28 12:07:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-11-28 12:07:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2018-11-28 12:07:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 12:07:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-11-28 12:07:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-11-28 12:07:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:07:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 12:07:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 12:07:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2018-11-28 12:07:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2018-11-28 12:07:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-28 12:07:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-28 12:07:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-28 12:07:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-28 12:07:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:07:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-11-28 12:07:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-11-28 12:07:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-28 12:07:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2018-11-28 12:07:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 12:07:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 12:07:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2018-11-28 12:07:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2018-11-28 12:07:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2018-11-28 12:07:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2018-11-28 12:07:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-11-28 12:07:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2018-11-28 12:07:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2018-11-28 12:07:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2018-11-28 12:07:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-11-28 12:07:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2018-11-28 12:07:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 12:07:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 12:07:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-28 12:07:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-28 12:07:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-11-28 12:07:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2018-11-28 12:07:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 12:07:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 12:07:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-28 12:07:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-28 12:07:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-11-28 12:07:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2018-11-28 12:07:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2018-11-28 12:07:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2018-11-28 12:07:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2018-11-28 12:07:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2018-11-28 12:07:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2018-11-28 12:07:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-11-28 12:07:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-11-28 12:07:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-11-28 12:07:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2018-11-28 12:07:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 12:07:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-11-28 12:07:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:07:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-28 12:07:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-28 12:07:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-11-28 12:07:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2018-11-28 12:07:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2018-11-28 12:07:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2018-11-28 12:07:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 12:07:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 12:07:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2018-11-28 12:07:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2018-11-28 12:07:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_bind [2018-11-28 12:07:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_bind [2018-11-28 12:07:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:07:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:07:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2018-11-28 12:07:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2018-11-28 12:07:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-11-28 12:07:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-11-28 12:07:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-28 12:07:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-28 12:07:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:07:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:07:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 12:07:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-11-28 12:07:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-11-28 12:07:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-11-28 12:07:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2018-11-28 12:07:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 12:07:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-11-28 12:07:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-11-28 12:07:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-28 12:07:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2018-11-28 12:07:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:07:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 12:07:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2018-11-28 12:07:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2018-11-28 12:07:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_init [2018-11-28 12:07:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_init [2018-11-28 12:07:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-28 12:07:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2018-11-28 12:07:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-28 12:07:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-28 12:07:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-28 12:07:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-28 12:07:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_exit [2018-11-28 12:07:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_exit [2018-11-28 12:07:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2018-11-28 12:07:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2018-11-28 12:07:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2018-11-28 12:07:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2018-11-28 12:07:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:07:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2018-11-28 12:07:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2018-11-28 12:07:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_unbind [2018-11-28 12:07:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_unbind [2018-11-28 12:07:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-11-28 12:07:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2018-11-28 12:07:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-28 12:07:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-28 12:07:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 12:07:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 12:07:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 12:07:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:07:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:07:10,605 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:07:10,606 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 12:07:10,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:07:10 BoogieIcfgContainer [2018-11-28 12:07:10,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:07:10,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:07:10,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:07:10,609 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:07:10,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:07:08" (1/3) ... [2018-11-28 12:07:10,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5838fb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:07:10, skipping insertion in model container [2018-11-28 12:07:10,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:07:09" (2/3) ... [2018-11-28 12:07:10,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5838fb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:07:10, skipping insertion in model container [2018-11-28 12:07:10,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:07:10" (3/3) ... [2018-11-28 12:07:10,612 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-11-28 12:07:10,620 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:07:10,627 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:07:10,640 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:07:10,667 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:07:10,667 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:07:10,668 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:07:10,668 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:07:10,669 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:07:10,669 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:07:10,669 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:07:10,669 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:07:10,669 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:07:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states. [2018-11-28 12:07:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 12:07:10,698 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:10,698 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:10,701 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:10,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:10,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1034358343, now seen corresponding path program 1 times [2018-11-28 12:07:10,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:10,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:10,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:10,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:10,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:10,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 12:07:10,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:07:10,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:07:11,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:07:11,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:07:11,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:07:11,016 INFO L87 Difference]: Start difference. First operand 408 states. Second operand 3 states. [2018-11-28 12:07:11,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:07:11,414 INFO L93 Difference]: Finished difference Result 1110 states and 1455 transitions. [2018-11-28 12:07:11,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:07:11,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-28 12:07:11,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:07:11,429 INFO L225 Difference]: With dead ends: 1110 [2018-11-28 12:07:11,429 INFO L226 Difference]: Without dead ends: 708 [2018-11-28 12:07:11,434 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:07:11,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2018-11-28 12:07:11,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2018-11-28 12:07:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2018-11-28 12:07:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 912 transitions. [2018-11-28 12:07:11,509 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 912 transitions. Word has length 60 [2018-11-28 12:07:11,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:07:11,510 INFO L480 AbstractCegarLoop]: Abstraction has 708 states and 912 transitions. [2018-11-28 12:07:11,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:07:11,510 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 912 transitions. [2018-11-28 12:07:11,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-28 12:07:11,514 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:11,515 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:11,515 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:11,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:11,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1031163740, now seen corresponding path program 1 times [2018-11-28 12:07:11,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:11,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:11,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:11,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:11,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 12:07:11,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:07:11,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:07:11,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:07:11,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:07:11,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:07:11,682 INFO L87 Difference]: Start difference. First operand 708 states and 912 transitions. Second operand 7 states. [2018-11-28 12:07:12,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:07:12,988 INFO L93 Difference]: Finished difference Result 2079 states and 2710 transitions. [2018-11-28 12:07:12,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:07:12,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2018-11-28 12:07:12,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:07:12,995 INFO L225 Difference]: With dead ends: 2079 [2018-11-28 12:07:12,995 INFO L226 Difference]: Without dead ends: 1373 [2018-11-28 12:07:12,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:07:12,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2018-11-28 12:07:13,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1373. [2018-11-28 12:07:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1373 states. [2018-11-28 12:07:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1786 transitions. [2018-11-28 12:07:13,057 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1786 transitions. Word has length 76 [2018-11-28 12:07:13,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:07:13,057 INFO L480 AbstractCegarLoop]: Abstraction has 1373 states and 1786 transitions. [2018-11-28 12:07:13,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:07:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1786 transitions. [2018-11-28 12:07:13,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-28 12:07:13,063 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:13,064 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:13,064 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:13,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:13,065 INFO L82 PathProgramCache]: Analyzing trace with hash -2003417395, now seen corresponding path program 1 times [2018-11-28 12:07:13,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:13,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:13,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:13,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:13,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 12:07:13,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:07:13,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:07:13,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:07:13,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:07:13,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:07:13,194 INFO L87 Difference]: Start difference. First operand 1373 states and 1786 transitions. Second operand 3 states. [2018-11-28 12:07:13,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:07:13,264 INFO L93 Difference]: Finished difference Result 3058 states and 3982 transitions. [2018-11-28 12:07:13,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:07:13,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-11-28 12:07:13,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:07:13,270 INFO L225 Difference]: With dead ends: 3058 [2018-11-28 12:07:13,270 INFO L226 Difference]: Without dead ends: 1708 [2018-11-28 12:07:13,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:07:13,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2018-11-28 12:07:13,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1684. [2018-11-28 12:07:13,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2018-11-28 12:07:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2195 transitions. [2018-11-28 12:07:13,313 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2195 transitions. Word has length 116 [2018-11-28 12:07:13,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:07:13,314 INFO L480 AbstractCegarLoop]: Abstraction has 1684 states and 2195 transitions. [2018-11-28 12:07:13,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:07:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2195 transitions. [2018-11-28 12:07:13,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-28 12:07:13,317 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:13,317 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:13,318 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:13,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:13,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1800502880, now seen corresponding path program 1 times [2018-11-28 12:07:13,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:13,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:13,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:13,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:13,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:13,491 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-28 12:07:13,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:07:13,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:07:13,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:07:13,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:07:13,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:07:13,494 INFO L87 Difference]: Start difference. First operand 1684 states and 2195 transitions. Second operand 3 states. [2018-11-28 12:07:13,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:07:13,830 INFO L93 Difference]: Finished difference Result 4228 states and 5502 transitions. [2018-11-28 12:07:13,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:07:13,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2018-11-28 12:07:13,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:07:13,838 INFO L225 Difference]: With dead ends: 4228 [2018-11-28 12:07:13,838 INFO L226 Difference]: Without dead ends: 2576 [2018-11-28 12:07:13,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:07:13,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2018-11-28 12:07:13,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2552. [2018-11-28 12:07:13,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2552 states. [2018-11-28 12:07:13,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2552 states and 3291 transitions. [2018-11-28 12:07:13,901 INFO L78 Accepts]: Start accepts. Automaton has 2552 states and 3291 transitions. Word has length 157 [2018-11-28 12:07:13,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:07:13,901 INFO L480 AbstractCegarLoop]: Abstraction has 2552 states and 3291 transitions. [2018-11-28 12:07:13,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:07:13,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2552 states and 3291 transitions. [2018-11-28 12:07:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 12:07:13,905 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:13,905 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:13,905 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:13,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:13,905 INFO L82 PathProgramCache]: Analyzing trace with hash 453998534, now seen corresponding path program 1 times [2018-11-28 12:07:13,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:13,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:13,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:13,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:13,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-28 12:07:13,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:07:13,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:07:13,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:07:13,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:07:13,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:07:13,997 INFO L87 Difference]: Start difference. First operand 2552 states and 3291 transitions. Second operand 3 states. [2018-11-28 12:07:14,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:07:14,055 INFO L93 Difference]: Finished difference Result 5080 states and 6575 transitions. [2018-11-28 12:07:14,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:07:14,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2018-11-28 12:07:14,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:07:14,062 INFO L225 Difference]: With dead ends: 5080 [2018-11-28 12:07:14,062 INFO L226 Difference]: Without dead ends: 2560 [2018-11-28 12:07:14,066 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:07:14,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2018-11-28 12:07:14,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 2560. [2018-11-28 12:07:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2560 states. [2018-11-28 12:07:14,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 3299 transitions. [2018-11-28 12:07:14,123 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 3299 transitions. Word has length 174 [2018-11-28 12:07:14,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:07:14,124 INFO L480 AbstractCegarLoop]: Abstraction has 2560 states and 3299 transitions. [2018-11-28 12:07:14,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:07:14,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3299 transitions. [2018-11-28 12:07:14,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 12:07:14,127 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:14,127 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:14,128 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:14,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:14,128 INFO L82 PathProgramCache]: Analyzing trace with hash 36601928, now seen corresponding path program 1 times [2018-11-28 12:07:14,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:14,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:14,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:14,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:14,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-28 12:07:14,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:07:14,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:07:14,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:07:14,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:07:14,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:07:14,246 INFO L87 Difference]: Start difference. First operand 2560 states and 3299 transitions. Second operand 5 states. [2018-11-28 12:07:14,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:07:14,310 INFO L93 Difference]: Finished difference Result 5142 states and 6683 transitions. [2018-11-28 12:07:14,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:07:14,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2018-11-28 12:07:14,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:07:14,318 INFO L225 Difference]: With dead ends: 5142 [2018-11-28 12:07:14,318 INFO L226 Difference]: Without dead ends: 2614 [2018-11-28 12:07:14,322 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 [2018-11-28 12:07:14,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2614 states. [2018-11-28 12:07:14,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2614 to 2600. [2018-11-28 12:07:14,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2600 states. [2018-11-28 12:07:14,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2600 states and 3349 transitions. [2018-11-28 12:07:14,384 INFO L78 Accepts]: Start accepts. Automaton has 2600 states and 3349 transitions. Word has length 174 [2018-11-28 12:07:14,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:07:14,384 INFO L480 AbstractCegarLoop]: Abstraction has 2600 states and 3349 transitions. [2018-11-28 12:07:14,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:07:14,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3349 transitions. [2018-11-28 12:07:14,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-28 12:07:14,388 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:14,388 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:14,388 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:14,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:14,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1113688398, now seen corresponding path program 1 times [2018-11-28 12:07:14,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:14,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:14,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:14,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:14,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-28 12:07:14,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:07:14,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:07:14,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:07:14,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:07:14,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:07:14,592 INFO L87 Difference]: Start difference. First operand 2600 states and 3349 transitions. Second operand 4 states. [2018-11-28 12:07:14,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:07:14,650 INFO L93 Difference]: Finished difference Result 5178 states and 6676 transitions. [2018-11-28 12:07:14,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:07:14,650 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 162 [2018-11-28 12:07:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:07:14,657 INFO L225 Difference]: With dead ends: 5178 [2018-11-28 12:07:14,657 INFO L226 Difference]: Without dead ends: 2601 [2018-11-28 12:07:14,662 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:07:14,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2601 states. [2018-11-28 12:07:14,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2601 to 2601. [2018-11-28 12:07:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2601 states. [2018-11-28 12:07:14,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2601 states and 3350 transitions. [2018-11-28 12:07:14,718 INFO L78 Accepts]: Start accepts. Automaton has 2601 states and 3350 transitions. Word has length 162 [2018-11-28 12:07:14,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:07:14,718 INFO L480 AbstractCegarLoop]: Abstraction has 2601 states and 3350 transitions. [2018-11-28 12:07:14,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:07:14,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 3350 transitions. [2018-11-28 12:07:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-28 12:07:14,721 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:14,721 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:14,722 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:14,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:14,722 INFO L82 PathProgramCache]: Analyzing trace with hash 103625148, now seen corresponding path program 1 times [2018-11-28 12:07:14,722 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:14,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:14,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:14,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:14,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-28 12:07:14,841 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:07:14,841 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:07:14,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:15,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:07:15,091 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-28 12:07:15,107 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:07:15,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-28 12:07:15,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:07:15,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:07:15,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:07:15,109 INFO L87 Difference]: Start difference. First operand 2601 states and 3350 transitions. Second operand 8 states. [2018-11-28 12:07:15,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:07:15,183 INFO L93 Difference]: Finished difference Result 5180 states and 6678 transitions. [2018-11-28 12:07:15,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:07:15,184 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 164 [2018-11-28 12:07:15,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:07:15,190 INFO L225 Difference]: With dead ends: 5180 [2018-11-28 12:07:15,190 INFO L226 Difference]: Without dead ends: 2602 [2018-11-28 12:07:15,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:07:15,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2018-11-28 12:07:15,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2602. [2018-11-28 12:07:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2602 states. [2018-11-28 12:07:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2602 states and 3351 transitions. [2018-11-28 12:07:15,256 INFO L78 Accepts]: Start accepts. Automaton has 2602 states and 3351 transitions. Word has length 164 [2018-11-28 12:07:15,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:07:15,257 INFO L480 AbstractCegarLoop]: Abstraction has 2602 states and 3351 transitions. [2018-11-28 12:07:15,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:07:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 3351 transitions. [2018-11-28 12:07:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-28 12:07:15,260 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:15,260 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:15,260 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:15,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:15,261 INFO L82 PathProgramCache]: Analyzing trace with hash -48181242, now seen corresponding path program 1 times [2018-11-28 12:07:15,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:15,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:15,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:15,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:15,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-28 12:07:15,394 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:07:15,394 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:07:15,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:15,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:07:15,741 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-28 12:07:15,767 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:07:15,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-11-28 12:07:15,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:07:15,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:07:15,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:07:15,768 INFO L87 Difference]: Start difference. First operand 2602 states and 3351 transitions. Second operand 10 states. [2018-11-28 12:07:15,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:07:15,872 INFO L93 Difference]: Finished difference Result 5182 states and 6680 transitions. [2018-11-28 12:07:15,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:07:15,873 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 183 [2018-11-28 12:07:15,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:07:15,883 INFO L225 Difference]: With dead ends: 5182 [2018-11-28 12:07:15,883 INFO L226 Difference]: Without dead ends: 2603 [2018-11-28 12:07:15,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:07:15,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2018-11-28 12:07:15,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2603. [2018-11-28 12:07:15,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2603 states. [2018-11-28 12:07:15,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3352 transitions. [2018-11-28 12:07:15,974 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3352 transitions. Word has length 183 [2018-11-28 12:07:15,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:07:15,975 INFO L480 AbstractCegarLoop]: Abstraction has 2603 states and 3352 transitions. [2018-11-28 12:07:15,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:07:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3352 transitions. [2018-11-28 12:07:15,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-28 12:07:15,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:15,979 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:15,979 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:15,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:15,979 INFO L82 PathProgramCache]: Analyzing trace with hash 594207740, now seen corresponding path program 2 times [2018-11-28 12:07:15,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:15,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:15,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:15,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:15,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-28 12:07:16,155 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:07:16,155 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:07:16,170 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 12:07:16,319 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-28 12:07:16,319 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:07:16,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:07:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-28 12:07:16,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:07:16,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2018-11-28 12:07:16,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 12:07:16,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 12:07:16,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:07:16,535 INFO L87 Difference]: Start difference. First operand 2603 states and 3352 transitions. Second operand 16 states. [2018-11-28 12:07:16,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:07:16,831 INFO L93 Difference]: Finished difference Result 5486 states and 7188 transitions. [2018-11-28 12:07:16,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 12:07:16,832 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 168 [2018-11-28 12:07:16,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:07:16,842 INFO L225 Difference]: With dead ends: 5486 [2018-11-28 12:07:16,843 INFO L226 Difference]: Without dead ends: 2906 [2018-11-28 12:07:16,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-11-28 12:07:16,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2906 states. [2018-11-28 12:07:16,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2906 to 2652. [2018-11-28 12:07:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2652 states. [2018-11-28 12:07:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 3401 transitions. [2018-11-28 12:07:16,940 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 3401 transitions. Word has length 168 [2018-11-28 12:07:16,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:07:16,940 INFO L480 AbstractCegarLoop]: Abstraction has 2652 states and 3401 transitions. [2018-11-28 12:07:16,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 12:07:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3401 transitions. [2018-11-28 12:07:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-28 12:07:16,944 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:16,944 INFO L402 BasicCegarLoop]: trace histogram [8, 6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:16,944 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:16,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:16,945 INFO L82 PathProgramCache]: Analyzing trace with hash 2062891846, now seen corresponding path program 2 times [2018-11-28 12:07:16,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:16,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:16,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:16,948 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:07:16,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-28 12:07:17,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:07:17,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-28 12:07:17,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:07:17,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:07:17,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:07:17,301 INFO L87 Difference]: Start difference. First operand 2652 states and 3401 transitions. Second operand 11 states. [2018-11-28 12:07:17,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:07:17,565 INFO L93 Difference]: Finished difference Result 5514 states and 7157 transitions. [2018-11-28 12:07:17,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 12:07:17,566 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 187 [2018-11-28 12:07:17,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:07:17,578 INFO L225 Difference]: With dead ends: 5514 [2018-11-28 12:07:17,578 INFO L226 Difference]: Without dead ends: 2898 [2018-11-28 12:07:17,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:07:17,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2018-11-28 12:07:17,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2668. [2018-11-28 12:07:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2668 states. [2018-11-28 12:07:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2668 states and 3417 transitions. [2018-11-28 12:07:17,697 INFO L78 Accepts]: Start accepts. Automaton has 2668 states and 3417 transitions. Word has length 187 [2018-11-28 12:07:17,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:07:17,697 INFO L480 AbstractCegarLoop]: Abstraction has 2668 states and 3417 transitions. [2018-11-28 12:07:17,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:07:17,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 3417 transitions. [2018-11-28 12:07:17,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-28 12:07:17,704 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:07:17,705 INFO L402 BasicCegarLoop]: trace histogram [8, 6, 6, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:07:17,705 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:07:17,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:07:17,705 INFO L82 PathProgramCache]: Analyzing trace with hash 427038440, now seen corresponding path program 1 times [2018-11-28 12:07:17,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:07:17,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:07:17,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:17,708 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:07:17,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:07:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 37 proven. 8 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-28 12:07:18,667 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:07:18,667 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:07:18,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:07:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:07:18,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:07:26,650 WARN L180 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-28 12:07:34,056 WARN L180 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-28 12:07:44,376 WARN L180 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-28 12:07:44,426 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 12:07:44,441 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 55 [2018-11-28 12:07:44,451 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 57 [2018-11-28 12:07:44,455 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 12:07:44,474 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 12:07:44,475 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 12:07:44,478 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 50 [2018-11-28 12:07:44,479 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 12:07:44,499 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-11-28 12:07:44,499 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 12:07:44,517 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-28 12:07:44,522 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 12:07:44,531 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 57 [2018-11-28 12:07:44,540 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 59 [2018-11-28 12:07:44,542 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-28 12:07:44,567 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 34 [2018-11-28 12:07:44,569 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2018-11-28 12:07:44,570 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-28 12:07:44,574 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:07:44,602 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 12:07:44,606 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 12:07:44,621 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 67 [2018-11-28 12:07:44,624 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 38 [2018-11-28 12:07:44,625 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-28 12:07:44,662 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 38 [2018-11-28 12:07:44,664 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-11-28 12:07:44,679 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 12:07:44,695 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-28 12:07:44,734 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2018-11-28 12:07:44,734 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 3 variables, input treesize:60, output treesize:188 [2018-11-28 12:08:19,071 WARN L180 SmtUtils]: Spent 31.45 s on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-11-28 12:09:44,917 WARN L180 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2018-11-28 12:12:33,552 WARN L180 SmtUtils]: Spent 2.66 m on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2018-11-28 12:14:28,788 WARN L180 SmtUtils]: Spent 1.69 m on a formula simplification that was a NOOP. DAG size: 135 [2018-11-28 12:14:28,807 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 47 [2018-11-28 12:14:28,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 12:14:28,822 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:14:28,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 5 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:14:28,865 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 21 variables, input treesize:317, output treesize:14 [2018-11-28 12:15:35,571 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:15:35,572 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:151) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:354) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 45 more [2018-11-28 12:15:35,574 INFO L168 Benchmark]: Toolchain (without parser) took 507545.32 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 801.1 MB). Free memory was 945.0 MB in the beginning and 1.7 GB in the end (delta: -782.5 MB). Peak memory consumption was 679.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:35,575 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:15:35,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1004.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 945.0 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:35,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:15:35,576 INFO L168 Benchmark]: Boogie Preprocessor took 63.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:35,576 INFO L168 Benchmark]: RCFGBuilder took 1468.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 113.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -19.5 MB). Peak memory consumption was 266.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:35,576 INFO L168 Benchmark]: TraceAbstraction took 504967.07 ms. Allocated memory was 1.3 GB in the beginning and 1.8 GB in the end (delta: 531.1 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -647.2 MB). Peak memory consumption was 544.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:35,579 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1004.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 945.0 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1468.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 113.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -19.5 MB). Peak memory consumption was 266.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 504967.07 ms. Allocated memory was 1.3 GB in the beginning and 1.8 GB in the end (delta: 531.1 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -647.2 MB). Peak memory consumption was 544.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:15:36,801 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:15:36,802 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:15:36,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:15:36,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:15:36,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:15:36,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:15:36,815 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:15:36,816 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:15:36,817 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:15:36,817 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:15:36,817 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:15:36,818 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:15:36,819 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:15:36,821 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:15:36,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:15:36,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:15:36,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:15:36,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:15:36,826 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:15:36,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:15:36,829 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:15:36,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:15:36,831 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:15:36,831 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:15:36,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:15:36,833 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:15:36,834 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:15:36,834 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:15:36,835 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:15:36,835 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:15:36,836 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:15:36,836 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:15:36,837 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:15:36,837 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:15:36,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:15:36,838 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2018-11-28 12:15:36,849 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:15:36,849 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:15:36,850 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:15:36,850 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:15:36,851 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:15:36,851 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:15:36,851 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:15:36,851 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:15:36,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:15:36,851 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:15:36,851 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:15:36,852 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:15:36,852 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 12:15:36,853 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 12:15:36,853 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:15:36,853 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:15:36,853 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:15:36,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:15:36,853 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:15:36,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:15:36,854 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:15:36,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:15:36,854 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:15:36,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:15:36,854 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:15:36,854 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 12:15:36,854 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:15:36,855 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 12:15:36,855 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 12:15:36,855 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-28 12:15:36,855 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_8082247c-8850-43cc-84a8-4c2c33cf4fd0/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 -> a9e5580db0773458338574d04b29d7b85a7b31f0 [2018-11-28 12:15:36,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:15:36,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:15:36,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:15:36,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:15:36,897 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:15:36,898 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-11-28 12:15:36,945 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/data/4437c82f5/a63243c997644a7fb32a44c026bd1429/FLAG5dec03827 [2018-11-28 12:15:37,412 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:15:37,413 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-11-28 12:15:37,436 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/data/4437c82f5/a63243c997644a7fb32a44c026bd1429/FLAG5dec03827 [2018-11-28 12:15:37,447 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/data/4437c82f5/a63243c997644a7fb32a44c026bd1429 [2018-11-28 12:15:37,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:15:37,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:15:37,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:15:37,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:15:37,454 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:15:37,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:15:37" (1/1) ... [2018-11-28 12:15:37,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f2c9bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:37, skipping insertion in model container [2018-11-28 12:15:37,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:15:37" (1/1) ... [2018-11-28 12:15:37,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:15:37,527 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:15:38,391 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:15:38,415 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:15:38,545 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:15:38,583 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:15:38,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38 WrapperNode [2018-11-28 12:15:38,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:15:38,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:15:38,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:15:38,584 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:15:38,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38" (1/1) ... [2018-11-28 12:15:38,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38" (1/1) ... [2018-11-28 12:15:38,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:15:38,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:15:38,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:15:38,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:15:38,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38" (1/1) ... [2018-11-28 12:15:38,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38" (1/1) ... [2018-11-28 12:15:38,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38" (1/1) ... [2018-11-28 12:15:38,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38" (1/1) ... [2018-11-28 12:15:38,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38" (1/1) ... [2018-11-28 12:15:38,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38" (1/1) ... [2018-11-28 12:15:38,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38" (1/1) ... [2018-11-28 12:15:38,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:15:38,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:15:38,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:15:38,690 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:15:38,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/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 [2018-11-28 12:15:38,744 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-11-28 12:15:38,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2018-11-28 12:15:38,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-28 12:15:38,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2018-11-28 12:15:38,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2018-11-28 12:15:38,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-28 12:15:38,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:15:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 12:15:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 12:15:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 12:15:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2018-11-28 12:15:38,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2018-11-28 12:15:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-28 12:15:38,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-28 12:15:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-28 12:15:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-28 12:15:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-11-28 12:15:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-11-28 12:15:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-28 12:15:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2018-11-28 12:15:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 12:15:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 12:15:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2018-11-28 12:15:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2018-11-28 12:15:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2018-11-28 12:15:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2018-11-28 12:15:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-11-28 12:15:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2018-11-28 12:15:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2018-11-28 12:15:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2018-11-28 12:15:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2018-11-28 12:15:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2018-11-28 12:15:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 12:15:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 12:15:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-28 12:15:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-28 12:15:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-11-28 12:15:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2018-11-28 12:15:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 12:15:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 12:15:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-28 12:15:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-28 12:15:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-11-28 12:15:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2018-11-28 12:15:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2018-11-28 12:15:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2018-11-28 12:15:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2018-11-28 12:15:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2018-11-28 12:15:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2018-11-28 12:15:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2018-11-28 12:15:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2018-11-28 12:15:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-11-28 12:15:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2018-11-28 12:15:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 12:15:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-11-28 12:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-28 12:15:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-28 12:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2018-11-28 12:15:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2018-11-28 12:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-28 12:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-28 12:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-28 12:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-28 12:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2018-11-28 12:15:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2018-11-28 12:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 12:15:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 12:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2018-11-28 12:15:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2018-11-28 12:15:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_bind [2018-11-28 12:15:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_bind [2018-11-28 12:15:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:15:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:15:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2018-11-28 12:15:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2018-11-28 12:15:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2018-11-28 12:15:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2018-11-28 12:15:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-28 12:15:38,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-28 12:15:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:15:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:15:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 12:15:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2018-11-28 12:15:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2018-11-28 12:15:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-11-28 12:15:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-11-28 12:15:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-11-28 12:15:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-11-28 12:15:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2018-11-28 12:15:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 12:15:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2018-11-28 12:15:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2018-11-28 12:15:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-28 12:15:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2018-11-28 12:15:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-28 12:15:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-28 12:15:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-28 12:15:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 12:15:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:15:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 12:15:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2018-11-28 12:15:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2018-11-28 12:15:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_init [2018-11-28 12:15:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_init [2018-11-28 12:15:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-28 12:15:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-28 12:15:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2018-11-28 12:15:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2018-11-28 12:15:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2018-11-28 12:15:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-28 12:15:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-28 12:15:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-28 12:15:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-28 12:15:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_driver_exit [2018-11-28 12:15:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_driver_exit [2018-11-28 12:15:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2018-11-28 12:15:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2018-11-28 12:15:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2018-11-28 12:15:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2018-11-28 12:15:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2018-11-28 12:15:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2018-11-28 12:15:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2018-11-28 12:15:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_unbind [2018-11-28 12:15:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_unbind [2018-11-28 12:15:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2018-11-28 12:15:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2018-11-28 12:15:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-28 12:15:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-28 12:15:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 12:15:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 12:15:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:15:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:15:41,414 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:15:41,415 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 12:15:41,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:15:41 BoogieIcfgContainer [2018-11-28 12:15:41,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:15:41,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:15:41,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:15:41,418 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:15:41,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:15:37" (1/3) ... [2018-11-28 12:15:41,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42750f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:15:41, skipping insertion in model container [2018-11-28 12:15:41,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:38" (2/3) ... [2018-11-28 12:15:41,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42750f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:15:41, skipping insertion in model container [2018-11-28 12:15:41,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:15:41" (3/3) ... [2018-11-28 12:15:41,421 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point_false-unreach-call.cil.out.i [2018-11-28 12:15:41,427 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:15:41,433 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:15:41,442 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:15:41,462 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:15:41,463 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:15:41,463 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:15:41,463 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:15:41,463 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:15:41,464 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:15:41,464 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:15:41,464 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:15:41,464 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:15:41,481 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states. [2018-11-28 12:15:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 12:15:41,490 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:41,491 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:41,492 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:41,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:41,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1034358343, now seen corresponding path program 1 times [2018-11-28 12:15:41,500 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:15:41,500 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/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 [2018-11-28 12:15:41,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:41,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:15:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 12:15:41,694 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:15:41,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:41,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:15:41,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:15:41,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:15:41,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:15:41,714 INFO L87 Difference]: Start difference. First operand 408 states. Second operand 2 states. [2018-11-28 12:15:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:41,739 INFO L93 Difference]: Finished difference Result 408 states and 522 transitions. [2018-11-28 12:15:41,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:15:41,740 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 60 [2018-11-28 12:15:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:41,746 INFO L225 Difference]: With dead ends: 408 [2018-11-28 12:15:41,746 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:15:41,751 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:15:41,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:15:41,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:15:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:15:41,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:15:41,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-11-28 12:15:41,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:41,770 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:15:41,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:15:41,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:15:41,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:15:41,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:15:42,041 INFO L448 ceAbstractionStarter]: For program point usbnet_resumeFINAL(lines 6494 6496) no Hoare annotation was computed. [2018-11-28 12:15:42,041 INFO L451 ceAbstractionStarter]: At program point usbnet_resumeENTRY(lines 6494 6496) the Hoare annotation is: true [2018-11-28 12:15:42,041 INFO L448 ceAbstractionStarter]: For program point usbnet_resumeEXIT(lines 6494 6496) no Hoare annotation was computed. [2018-11-28 12:15:42,041 INFO L451 ceAbstractionStarter]: At program point L5454(line 5454) the Hoare annotation is: true [2018-11-28 12:15:42,041 INFO L451 ceAbstractionStarter]: At program point __kmallocENTRY(lines 5452 5455) the Hoare annotation is: true [2018-11-28 12:15:42,041 INFO L448 ceAbstractionStarter]: For program point L5454-1(line 5454) no Hoare annotation was computed. [2018-11-28 12:15:42,041 INFO L448 ceAbstractionStarter]: For program point __kmallocFINAL(lines 5452 5455) no Hoare annotation was computed. [2018-11-28 12:15:42,041 INFO L448 ceAbstractionStarter]: For program point __kmallocEXIT(lines 5452 5455) no Hoare annotation was computed. [2018-11-28 12:15:42,042 INFO L448 ceAbstractionStarter]: For program point L6113(lines 6113 6121) no Hoare annotation was computed. [2018-11-28 12:15:42,042 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 5963 6151) no Hoare annotation was computed. [2018-11-28 12:15:42,042 INFO L451 ceAbstractionStarter]: At program point L6130(line 6130) the Hoare annotation is: true [2018-11-28 12:15:42,042 INFO L448 ceAbstractionStarter]: For program point L6130-1(line 6130) no Hoare annotation was computed. [2018-11-28 12:15:42,042 INFO L448 ceAbstractionStarter]: For program point L6064(line 6064) no Hoare annotation was computed. [2018-11-28 12:15:42,042 INFO L451 ceAbstractionStarter]: At program point L6114(line 6114) the Hoare annotation is: true [2018-11-28 12:15:42,042 INFO L448 ceAbstractionStarter]: For program point L6015(line 6015) no Hoare annotation was computed. [2018-11-28 12:15:42,042 INFO L448 ceAbstractionStarter]: For program point L6081(line 6081) no Hoare annotation was computed. [2018-11-28 12:15:42,042 INFO L448 ceAbstractionStarter]: For program point L6114-1(line 6114) no Hoare annotation was computed. [2018-11-28 12:15:42,042 INFO L448 ceAbstractionStarter]: For program point L6065(lines 6065 6079) no Hoare annotation was computed. [2018-11-28 12:15:42,042 INFO L448 ceAbstractionStarter]: For program point L6115(lines 6115 6119) no Hoare annotation was computed. [2018-11-28 12:15:42,042 INFO L451 ceAbstractionStarter]: At program point L6082(line 6082) the Hoare annotation is: true [2018-11-28 12:15:42,042 INFO L448 ceAbstractionStarter]: For program point L6148(line 6148) no Hoare annotation was computed. [2018-11-28 12:15:42,042 INFO L448 ceAbstractionStarter]: For program point L6016(lines 6016 6023) no Hoare annotation was computed. [2018-11-28 12:15:42,043 INFO L451 ceAbstractionStarter]: At program point L6099(line 6099) the Hoare annotation is: true [2018-11-28 12:15:42,043 INFO L451 ceAbstractionStarter]: At program point L6066(line 6066) the Hoare annotation is: true [2018-11-28 12:15:42,043 INFO L448 ceAbstractionStarter]: For program point L6099-1(line 6099) no Hoare annotation was computed. [2018-11-28 12:15:42,043 INFO L448 ceAbstractionStarter]: For program point L6066-1(line 6066) no Hoare annotation was computed. [2018-11-28 12:15:42,043 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 5963 6151) no Hoare annotation was computed. [2018-11-28 12:15:42,043 INFO L451 ceAbstractionStarter]: At program point L6017(line 6017) the Hoare annotation is: true [2018-11-28 12:15:42,043 INFO L448 ceAbstractionStarter]: For program point L6017-1(line 6017) no Hoare annotation was computed. [2018-11-28 12:15:42,043 INFO L448 ceAbstractionStarter]: For program point L6067(lines 6067 6072) no Hoare annotation was computed. [2018-11-28 12:15:42,043 INFO L448 ceAbstractionStarter]: For program point L6067-1(lines 6065 6078) no Hoare annotation was computed. [2018-11-28 12:15:42,043 INFO L448 ceAbstractionStarter]: For program point L6001(line 6001) no Hoare annotation was computed. [2018-11-28 12:15:42,043 INFO L448 ceAbstractionStarter]: For program point L6018(lines 6018 6021) no Hoare annotation was computed. [2018-11-28 12:15:42,043 INFO L448 ceAbstractionStarter]: For program point L5985(lines 5985 6144) no Hoare annotation was computed. [2018-11-28 12:15:42,043 INFO L448 ceAbstractionStarter]: For program point L6035(line 6035) no Hoare annotation was computed. [2018-11-28 12:15:42,043 INFO L448 ceAbstractionStarter]: For program point L6002(lines 6002 6007) no Hoare annotation was computed. [2018-11-28 12:15:42,044 INFO L448 ceAbstractionStarter]: For program point L6002-2(lines 5989 6047) no Hoare annotation was computed. [2018-11-28 12:15:42,045 INFO L448 ceAbstractionStarter]: For program point L5986(line 5986) no Hoare annotation was computed. [2018-11-28 12:15:42,045 INFO L448 ceAbstractionStarter]: For program point L6052(line 6052) no Hoare annotation was computed. [2018-11-28 12:15:42,045 INFO L448 ceAbstractionStarter]: For program point L6135(line 6135) no Hoare annotation was computed. [2018-11-28 12:15:42,045 INFO L451 ceAbstractionStarter]: At program point L6003(line 6003) the Hoare annotation is: true [2018-11-28 12:15:42,046 INFO L448 ceAbstractionStarter]: For program point L6003-1(line 6003) no Hoare annotation was computed. [2018-11-28 12:15:42,046 INFO L448 ceAbstractionStarter]: For program point L6036(lines 6036 6043) no Hoare annotation was computed. [2018-11-28 12:15:42,046 INFO L448 ceAbstractionStarter]: For program point L5987(lines 5987 6050) no Hoare annotation was computed. [2018-11-28 12:15:42,046 INFO L448 ceAbstractionStarter]: For program point L6053(lines 6053 6086) no Hoare annotation was computed. [2018-11-28 12:15:42,046 INFO L451 ceAbstractionStarter]: At program point L6070(line 6070) the Hoare annotation is: true [2018-11-28 12:15:42,046 INFO L451 ceAbstractionStarter]: At program point L6136(line 6136) the Hoare annotation is: true [2018-11-28 12:15:42,046 INFO L451 ceAbstractionStarter]: At program point L6037(line 6037) the Hoare annotation is: true [2018-11-28 12:15:42,046 INFO L448 ceAbstractionStarter]: For program point L6037-1(line 6037) no Hoare annotation was computed. [2018-11-28 12:15:42,046 INFO L448 ceAbstractionStarter]: For program point L6038(lines 6038 6041) no Hoare annotation was computed. [2018-11-28 12:15:42,046 INFO L448 ceAbstractionStarter]: For program point L6104(line 6104) no Hoare annotation was computed. [2018-11-28 12:15:42,046 INFO L448 ceAbstractionStarter]: For program point L6055(lines 6055 6083) no Hoare annotation was computed. [2018-11-28 12:15:42,047 INFO L448 ceAbstractionStarter]: For program point L6088(line 6088) no Hoare annotation was computed. [2018-11-28 12:15:42,047 INFO L448 ceAbstractionStarter]: For program point L5989(lines 5989 6047) no Hoare annotation was computed. [2018-11-28 12:15:42,047 INFO L448 ceAbstractionStarter]: For program point L6105(lines 6105 6110) no Hoare annotation was computed. [2018-11-28 12:15:42,047 INFO L448 ceAbstractionStarter]: For program point L5990(line 5990) no Hoare annotation was computed. [2018-11-28 12:15:42,047 INFO L448 ceAbstractionStarter]: For program point L6089(lines 6089 6140) no Hoare annotation was computed. [2018-11-28 12:15:42,047 INFO L448 ceAbstractionStarter]: For program point L6056(line 6056) no Hoare annotation was computed. [2018-11-28 12:15:42,047 INFO L451 ceAbstractionStarter]: At program point L6106(line 6106) the Hoare annotation is: true [2018-11-28 12:15:42,047 INFO L451 ceAbstractionStarter]: At program point L5974(line 5974) the Hoare annotation is: true [2018-11-28 12:15:42,047 INFO L448 ceAbstractionStarter]: For program point L6106-1(line 6106) no Hoare annotation was computed. [2018-11-28 12:15:42,047 INFO L448 ceAbstractionStarter]: For program point L5974-1(line 5974) no Hoare annotation was computed. [2018-11-28 12:15:42,047 INFO L448 ceAbstractionStarter]: For program point L6123(line 6123) no Hoare annotation was computed. [2018-11-28 12:15:42,048 INFO L448 ceAbstractionStarter]: For program point L5991(lines 5991 5999) no Hoare annotation was computed. [2018-11-28 12:15:42,048 INFO L448 ceAbstractionStarter]: For program point L6057(lines 6057 6062) no Hoare annotation was computed. [2018-11-28 12:15:42,048 INFO L448 ceAbstractionStarter]: For program point L6091(lines 6091 6137) no Hoare annotation was computed. [2018-11-28 12:15:42,048 INFO L451 ceAbstractionStarter]: At program point L6058(line 6058) the Hoare annotation is: true [2018-11-28 12:15:42,048 INFO L448 ceAbstractionStarter]: For program point L6124-2(lines 6091 6137) no Hoare annotation was computed. [2018-11-28 12:15:42,048 INFO L448 ceAbstractionStarter]: For program point L6124(lines 6124 6128) no Hoare annotation was computed. [2018-11-28 12:15:42,048 INFO L448 ceAbstractionStarter]: For program point L5992-1(line 5992) no Hoare annotation was computed. [2018-11-28 12:15:42,048 INFO L448 ceAbstractionStarter]: For program point L6025(line 6025) no Hoare annotation was computed. [2018-11-28 12:15:42,048 INFO L448 ceAbstractionStarter]: For program point L6058-1(line 6058) no Hoare annotation was computed. [2018-11-28 12:15:42,048 INFO L451 ceAbstractionStarter]: At program point L5992(line 5992) the Hoare annotation is: true [2018-11-28 12:15:42,048 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 5963 6151) the Hoare annotation is: true [2018-11-28 12:15:42,048 INFO L451 ceAbstractionStarter]: At program point L6075(lines 5973 6150) the Hoare annotation is: true [2018-11-28 12:15:42,049 INFO L451 ceAbstractionStarter]: At program point L5976-1(line 5976) the Hoare annotation is: true [2018-11-28 12:15:42,049 INFO L451 ceAbstractionStarter]: At program point L6009(line 6009) the Hoare annotation is: true [2018-11-28 12:15:42,049 INFO L451 ceAbstractionStarter]: At program point L5976(line 5976) the Hoare annotation is: true [2018-11-28 12:15:42,049 INFO L448 ceAbstractionStarter]: For program point L6009-1(line 6009) no Hoare annotation was computed. [2018-11-28 12:15:42,049 INFO L448 ceAbstractionStarter]: For program point L6026(lines 6026 6033) no Hoare annotation was computed. [2018-11-28 12:15:42,049 INFO L451 ceAbstractionStarter]: At program point L6125(line 6125) the Hoare annotation is: true [2018-11-28 12:15:42,049 INFO L448 ceAbstractionStarter]: For program point L6092(line 6092) no Hoare annotation was computed. [2018-11-28 12:15:42,049 INFO L448 ceAbstractionStarter]: For program point L6125-1(line 6125) no Hoare annotation was computed. [2018-11-28 12:15:42,049 INFO L448 ceAbstractionStarter]: For program point L5993(lines 5993 5997) no Hoare annotation was computed. [2018-11-28 12:15:42,049 INFO L448 ceAbstractionStarter]: For program point L6142(line 6142) no Hoare annotation was computed. [2018-11-28 12:15:42,049 INFO L448 ceAbstractionStarter]: For program point L5977(line 5977) no Hoare annotation was computed. [2018-11-28 12:15:42,049 INFO L451 ceAbstractionStarter]: At program point L6027(line 6027) the Hoare annotation is: true [2018-11-28 12:15:42,050 INFO L448 ceAbstractionStarter]: For program point L6093-2(lines 6091 6137) no Hoare annotation was computed. [2018-11-28 12:15:42,050 INFO L448 ceAbstractionStarter]: For program point L6027-1(line 6027) no Hoare annotation was computed. [2018-11-28 12:15:42,050 INFO L448 ceAbstractionStarter]: For program point L6093(lines 6093 6097) no Hoare annotation was computed. [2018-11-28 12:15:42,050 INFO L451 ceAbstractionStarter]: At program point L6143(line 6143) the Hoare annotation is: true [2018-11-28 12:15:42,050 INFO L451 ceAbstractionStarter]: At program point L5978(line 5978) the Hoare annotation is: true [2018-11-28 12:15:42,050 INFO L448 ceAbstractionStarter]: For program point L5978-1(line 5978) no Hoare annotation was computed. [2018-11-28 12:15:42,050 INFO L451 ceAbstractionStarter]: At program point L6094(line 6094) the Hoare annotation is: true [2018-11-28 12:15:42,050 INFO L448 ceAbstractionStarter]: For program point L6094-1(line 6094) no Hoare annotation was computed. [2018-11-28 12:15:42,050 INFO L448 ceAbstractionStarter]: For program point L6028(lines 6028 6031) no Hoare annotation was computed. [2018-11-28 12:15:42,050 INFO L448 ceAbstractionStarter]: For program point L6045(line 6045) no Hoare annotation was computed. [2018-11-28 12:15:42,050 INFO L451 ceAbstractionStarter]: At program point L6046(line 6046) the Hoare annotation is: true [2018-11-28 12:15:42,050 INFO L451 ceAbstractionStarter]: At program point L6145(lines 5973 6150) the Hoare annotation is: true [2018-11-28 12:15:42,051 INFO L448 ceAbstractionStarter]: For program point L6112(line 6112) no Hoare annotation was computed. [2018-11-28 12:15:42,051 INFO L451 ceAbstractionStarter]: At program point ldv_set_initENTRY(lines 6221 6228) the Hoare annotation is: true [2018-11-28 12:15:42,051 INFO L448 ceAbstractionStarter]: For program point ldv_set_initEXIT(lines 6221 6228) no Hoare annotation was computed. [2018-11-28 12:15:42,051 INFO L448 ceAbstractionStarter]: For program point ldv_set_initFINAL(lines 6221 6228) no Hoare annotation was computed. [2018-11-28 12:15:42,051 INFO L448 ceAbstractionStarter]: For program point usb_bulk_msgFINAL(lines 6468 6470) no Hoare annotation was computed. [2018-11-28 12:15:42,051 INFO L451 ceAbstractionStarter]: At program point usb_bulk_msgENTRY(lines 6468 6470) the Hoare annotation is: true [2018-11-28 12:15:42,051 INFO L448 ceAbstractionStarter]: For program point usb_bulk_msgEXIT(lines 6468 6470) no Hoare annotation was computed. [2018-11-28 12:15:42,051 INFO L448 ceAbstractionStarter]: For program point ldv_set_addEXIT(lines 6230 6253) no Hoare annotation was computed. [2018-11-28 12:15:42,051 INFO L451 ceAbstractionStarter]: At program point L6235-2(lines 6235 6245) the Hoare annotation is: true [2018-11-28 12:15:42,051 INFO L448 ceAbstractionStarter]: For program point L6235-3(lines 6233 6252) no Hoare annotation was computed. [2018-11-28 12:15:42,051 INFO L448 ceAbstractionStarter]: For program point L6246-1(lines 6230 6253) no Hoare annotation was computed. [2018-11-28 12:15:42,051 INFO L448 ceAbstractionStarter]: For program point L6240(lines 6240 6243) no Hoare annotation was computed. [2018-11-28 12:15:42,052 INFO L448 ceAbstractionStarter]: For program point L6236-1(lines 6236 6239) no Hoare annotation was computed. [2018-11-28 12:15:42,052 INFO L448 ceAbstractionStarter]: For program point L6236(lines 6236 6239) no Hoare annotation was computed. [2018-11-28 12:15:42,056 INFO L451 ceAbstractionStarter]: At program point ldv_set_addENTRY(lines 6230 6253) the Hoare annotation is: true [2018-11-28 12:15:42,056 INFO L448 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 5565 5571) no Hoare annotation was computed. [2018-11-28 12:15:42,056 INFO L448 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 5565 5571) no Hoare annotation was computed. [2018-11-28 12:15:42,056 INFO L451 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 5565 5571) the Hoare annotation is: true [2018-11-28 12:15:42,056 INFO L451 ceAbstractionStarter]: At program point ldv_initializeENTRY(lines 6369 6375) the Hoare annotation is: true [2018-11-28 12:15:42,056 INFO L448 ceAbstractionStarter]: For program point ldv_initializeFINAL(lines 6369 6375) no Hoare annotation was computed. [2018-11-28 12:15:42,056 INFO L448 ceAbstractionStarter]: For program point ldv_initializeEXIT(lines 6369 6375) no Hoare annotation was computed. [2018-11-28 12:15:42,056 INFO L448 ceAbstractionStarter]: For program point external_allocFINAL(lines 6505 6507) no Hoare annotation was computed. [2018-11-28 12:15:42,056 INFO L448 ceAbstractionStarter]: For program point external_allocEXIT(lines 6505 6507) no Hoare annotation was computed. [2018-11-28 12:15:42,057 INFO L451 ceAbstractionStarter]: At program point external_allocENTRY(lines 6505 6507) the Hoare annotation is: true [2018-11-28 12:15:42,057 INFO L448 ceAbstractionStarter]: For program point usb_deregisterEXIT(lines 6471 6473) no Hoare annotation was computed. [2018-11-28 12:15:42,057 INFO L448 ceAbstractionStarter]: For program point usb_deregisterFINAL(lines 6471 6473) no Hoare annotation was computed. [2018-11-28 12:15:42,057 INFO L451 ceAbstractionStarter]: At program point usb_deregisterENTRY(lines 6471 6473) the Hoare annotation is: true [2018-11-28 12:15:42,057 INFO L451 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:15:42,057 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:15:42,057 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:15:42,057 INFO L451 ceAbstractionStarter]: At program point usbnet_probeENTRY(lines 6490 6492) the Hoare annotation is: true [2018-11-28 12:15:42,057 INFO L448 ceAbstractionStarter]: For program point usbnet_probeFINAL(lines 6490 6492) no Hoare annotation was computed. [2018-11-28 12:15:42,057 INFO L448 ceAbstractionStarter]: For program point usbnet_probeEXIT(lines 6490 6492) no Hoare annotation was computed. [2018-11-28 12:15:42,057 INFO L448 ceAbstractionStarter]: For program point L5887(lines 5887 5890) no Hoare annotation was computed. [2018-11-28 12:15:42,057 INFO L448 ceAbstractionStarter]: For program point cx82310_tx_fixupEXIT(lines 5872 5898) no Hoare annotation was computed. [2018-11-28 12:15:42,057 INFO L451 ceAbstractionStarter]: At program point L5883(line 5883) the Hoare annotation is: true [2018-11-28 12:15:42,058 INFO L448 ceAbstractionStarter]: For program point L5882(lines 5882 5892) no Hoare annotation was computed. [2018-11-28 12:15:42,058 INFO L448 ceAbstractionStarter]: For program point L5883-1(line 5883) no Hoare annotation was computed. [2018-11-28 12:15:42,058 INFO L451 ceAbstractionStarter]: At program point L5885(line 5885) the Hoare annotation is: true [2018-11-28 12:15:42,058 INFO L448 ceAbstractionStarter]: For program point L5885-1(line 5885) no Hoare annotation was computed. [2018-11-28 12:15:42,058 INFO L451 ceAbstractionStarter]: At program point L5881(line 5881) the Hoare annotation is: true [2018-11-28 12:15:42,058 INFO L448 ceAbstractionStarter]: For program point L5881-1(line 5881) no Hoare annotation was computed. [2018-11-28 12:15:42,058 INFO L451 ceAbstractionStarter]: At program point L5882-2(lines 5882 5892) the Hoare annotation is: true [2018-11-28 12:15:42,058 INFO L448 ceAbstractionStarter]: For program point cx82310_tx_fixupFINAL(lines 5872 5898) no Hoare annotation was computed. [2018-11-28 12:15:42,058 INFO L448 ceAbstractionStarter]: For program point L5893(line 5893) no Hoare annotation was computed. [2018-11-28 12:15:42,058 INFO L451 ceAbstractionStarter]: At program point cx82310_tx_fixupENTRY(lines 5872 5898) the Hoare annotation is: true [2018-11-28 12:15:42,058 INFO L451 ceAbstractionStarter]: At program point ldv_initialize_driver_info_2ENTRY(lines 5939 5953) the Hoare annotation is: true [2018-11-28 12:15:42,059 INFO L448 ceAbstractionStarter]: For program point ldv_initialize_driver_info_2EXIT(lines 5939 5953) no Hoare annotation was computed. [2018-11-28 12:15:42,059 INFO L451 ceAbstractionStarter]: At program point L5947(line 5947) the Hoare annotation is: true [2018-11-28 12:15:42,059 INFO L448 ceAbstractionStarter]: For program point L5947-1(line 5947) no Hoare annotation was computed. [2018-11-28 12:15:42,059 INFO L451 ceAbstractionStarter]: At program point L5949(line 5949) the Hoare annotation is: true [2018-11-28 12:15:42,059 INFO L448 ceAbstractionStarter]: For program point L5949-1(line 5949) no Hoare annotation was computed. [2018-11-28 12:15:42,059 INFO L451 ceAbstractionStarter]: At program point L5945(line 5945) the Hoare annotation is: true [2018-11-28 12:15:42,059 INFO L448 ceAbstractionStarter]: For program point L5945-1(line 5945) no Hoare annotation was computed. [2018-11-28 12:15:42,059 INFO L448 ceAbstractionStarter]: For program point ldv_initialize_driver_info_2FINAL(lines 5939 5953) no Hoare annotation was computed. [2018-11-28 12:15:42,059 INFO L451 ceAbstractionStarter]: At program point usbnet_disconnectENTRY(lines 6482 6484) the Hoare annotation is: true [2018-11-28 12:15:42,059 INFO L448 ceAbstractionStarter]: For program point usbnet_disconnectFINAL(lines 6482 6484) no Hoare annotation was computed. [2018-11-28 12:15:42,059 INFO L448 ceAbstractionStarter]: For program point usbnet_disconnectEXIT(lines 6482 6484) no Hoare annotation was computed. [2018-11-28 12:15:42,059 INFO L448 ceAbstractionStarter]: For program point skb_headroomFINAL(lines 5485 5490) no Hoare annotation was computed. [2018-11-28 12:15:42,059 INFO L448 ceAbstractionStarter]: For program point skb_headroomEXIT(lines 5485 5490) no Hoare annotation was computed. [2018-11-28 12:15:42,060 INFO L451 ceAbstractionStarter]: At program point skb_headroomENTRY(lines 5485 5490) the Hoare annotation is: true [2018-11-28 12:15:42,060 INFO L448 ceAbstractionStarter]: For program point ldv_set_is_emptyEXIT(lines 6311 6316) no Hoare annotation was computed. [2018-11-28 12:15:42,060 INFO L451 ceAbstractionStarter]: At program point ldv_set_is_emptyENTRY(lines 6311 6316) the Hoare annotation is: true [2018-11-28 12:15:42,060 INFO L448 ceAbstractionStarter]: For program point ldv_set_is_emptyFINAL(lines 6311 6316) no Hoare annotation was computed. [2018-11-28 12:15:42,060 INFO L448 ceAbstractionStarter]: For program point skb_pushFINAL(lines 6457 6459) no Hoare annotation was computed. [2018-11-28 12:15:42,060 INFO L451 ceAbstractionStarter]: At program point L6458(line 6458) the Hoare annotation is: true [2018-11-28 12:15:42,061 INFO L451 ceAbstractionStarter]: At program point skb_pushENTRY(lines 6457 6459) the Hoare annotation is: true [2018-11-28 12:15:42,061 INFO L448 ceAbstractionStarter]: For program point L6458-1(line 6458) no Hoare annotation was computed. [2018-11-28 12:15:42,061 INFO L448 ceAbstractionStarter]: For program point skb_pushEXIT(lines 6457 6459) no Hoare annotation was computed. [2018-11-28 12:15:42,061 INFO L451 ceAbstractionStarter]: At program point usb_register_driverENTRY(lines 6475 6477) the Hoare annotation is: true [2018-11-28 12:15:42,061 INFO L448 ceAbstractionStarter]: For program point usb_register_driverFINAL(lines 6475 6477) no Hoare annotation was computed. [2018-11-28 12:15:42,061 INFO L448 ceAbstractionStarter]: For program point usb_register_driverEXIT(lines 6475 6477) no Hoare annotation was computed. [2018-11-28 12:15:42,061 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-28 12:15:42,061 INFO L451 ceAbstractionStarter]: At program point L-1-3(line -1) the Hoare annotation is: true [2018-11-28 12:15:42,061 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:15:42,061 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:15:42,061 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:15:42,061 INFO L451 ceAbstractionStarter]: At program point __create_pipeENTRY(lines 5613 5618) the Hoare annotation is: true [2018-11-28 12:15:42,062 INFO L448 ceAbstractionStarter]: For program point __create_pipeFINAL(lines 5613 5618) no Hoare annotation was computed. [2018-11-28 12:15:42,062 INFO L448 ceAbstractionStarter]: For program point __create_pipeEXIT(lines 5613 5618) no Hoare annotation was computed. [2018-11-28 12:15:42,062 INFO L448 ceAbstractionStarter]: For program point usbnet_suspendFINAL(lines 6501 6503) no Hoare annotation was computed. [2018-11-28 12:15:42,062 INFO L451 ceAbstractionStarter]: At program point usbnet_suspendENTRY(lines 6501 6503) the Hoare annotation is: true [2018-11-28 12:15:42,062 INFO L448 ceAbstractionStarter]: For program point usbnet_suspendEXIT(lines 6501 6503) no Hoare annotation was computed. [2018-11-28 12:15:42,062 INFO L451 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 5500 5516) the Hoare annotation is: true [2018-11-28 12:15:42,062 INFO L448 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 5500 5516) no Hoare annotation was computed. [2018-11-28 12:15:42,062 INFO L448 ceAbstractionStarter]: For program point L5507(lines 5507 5514) no Hoare annotation was computed. [2018-11-28 12:15:42,062 INFO L448 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 5500 5516) no Hoare annotation was computed. [2018-11-28 12:15:42,062 INFO L451 ceAbstractionStarter]: At program point L5958(line 5958) the Hoare annotation is: true [2018-11-28 12:15:42,062 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1EXIT(lines 5954 5962) no Hoare annotation was computed. [2018-11-28 12:15:42,062 INFO L448 ceAbstractionStarter]: For program point L5958-1(line 5958) no Hoare annotation was computed. [2018-11-28 12:15:42,063 INFO L451 ceAbstractionStarter]: At program point ldv_usb_driver_1ENTRY(lines 5954 5962) the Hoare annotation is: true [2018-11-28 12:15:42,063 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1FINAL(lines 5954 5962) no Hoare annotation was computed. [2018-11-28 12:15:42,063 INFO L448 ceAbstractionStarter]: For program point skb_trimEXIT(lines 6464 6466) no Hoare annotation was computed. [2018-11-28 12:15:42,063 INFO L451 ceAbstractionStarter]: At program point skb_trimENTRY(lines 6464 6466) the Hoare annotation is: true [2018-11-28 12:15:42,063 INFO L448 ceAbstractionStarter]: For program point skb_trimFINAL(lines 6464 6466) no Hoare annotation was computed. [2018-11-28 12:15:42,063 INFO L448 ceAbstractionStarter]: For program point L5820-1(line 5820) no Hoare annotation was computed. [2018-11-28 12:15:42,063 INFO L451 ceAbstractionStarter]: At program point L5853(line 5853) the Hoare annotation is: true [2018-11-28 12:15:42,063 INFO L451 ceAbstractionStarter]: At program point L5820(line 5820) the Hoare annotation is: true [2018-11-28 12:15:42,063 INFO L448 ceAbstractionStarter]: For program point L5853-1(line 5853) no Hoare annotation was computed. [2018-11-28 12:15:42,063 INFO L448 ceAbstractionStarter]: For program point cx82310_rx_fixupEXIT(lines 5793 5871) no Hoare annotation was computed. [2018-11-28 12:15:42,063 INFO L451 ceAbstractionStarter]: At program point L5849(line 5849) the Hoare annotation is: true [2018-11-28 12:15:42,063 INFO L448 ceAbstractionStarter]: For program point L5849-1(line 5849) no Hoare annotation was computed. [2018-11-28 12:15:42,068 INFO L448 ceAbstractionStarter]: For program point L5808-1(line 5808) no Hoare annotation was computed. [2018-11-28 12:15:42,068 INFO L451 ceAbstractionStarter]: At program point L5808(line 5808) the Hoare annotation is: true [2018-11-28 12:15:42,068 INFO L451 ceAbstractionStarter]: At program point cx82310_rx_fixupENTRY(lines 5793 5871) the Hoare annotation is: true [2018-11-28 12:15:42,068 INFO L448 ceAbstractionStarter]: For program point L5837(lines 5837 5842) no Hoare annotation was computed. [2018-11-28 12:15:42,068 INFO L448 ceAbstractionStarter]: For program point L5862(line 5862) no Hoare annotation was computed. [2018-11-28 12:15:42,068 INFO L451 ceAbstractionStarter]: At program point L5833(line 5833) the Hoare annotation is: true [2018-11-28 12:15:42,068 INFO L451 ceAbstractionStarter]: At program point L5858(line 5858) the Hoare annotation is: true [2018-11-28 12:15:42,068 INFO L448 ceAbstractionStarter]: For program point L5854(lines 5854 5857) no Hoare annotation was computed. [2018-11-28 12:15:42,069 INFO L448 ceAbstractionStarter]: For program point L5858-1(line 5858) no Hoare annotation was computed. [2018-11-28 12:15:42,069 INFO L448 ceAbstractionStarter]: For program point cx82310_rx_fixupFINAL(lines 5793 5871) no Hoare annotation was computed. [2018-11-28 12:15:42,069 INFO L451 ceAbstractionStarter]: At program point L5817(lines 5817 5818) the Hoare annotation is: true [2018-11-28 12:15:42,069 INFO L448 ceAbstractionStarter]: For program point L5817-1(lines 5817 5818) no Hoare annotation was computed. [2018-11-28 12:15:42,069 INFO L451 ceAbstractionStarter]: At program point L5813(line 5813) the Hoare annotation is: true [2018-11-28 12:15:42,069 INFO L448 ceAbstractionStarter]: For program point L5813-1(line 5813) no Hoare annotation was computed. [2018-11-28 12:15:42,069 INFO L448 ceAbstractionStarter]: For program point L5809(lines 5809 5812) no Hoare annotation was computed. [2018-11-28 12:15:42,069 INFO L451 ceAbstractionStarter]: At program point L5863(lines 5805 5870) the Hoare annotation is: true [2018-11-28 12:15:42,069 INFO L448 ceAbstractionStarter]: For program point L5822(lines 5822 5825) no Hoare annotation was computed. [2018-11-28 12:15:42,069 INFO L451 ceAbstractionStarter]: At program point L5847(lines 5847 5848) the Hoare annotation is: true [2018-11-28 12:15:42,069 INFO L448 ceAbstractionStarter]: For program point L5847-1(lines 5847 5848) no Hoare annotation was computed. [2018-11-28 12:15:42,069 INFO L448 ceAbstractionStarter]: For program point L5843(lines 5843 5852) no Hoare annotation was computed. [2018-11-28 12:15:42,069 INFO L448 ceAbstractionStarter]: For program point L5806(lines 5806 5827) no Hoare annotation was computed. [2018-11-28 12:15:42,069 INFO L451 ceAbstractionStarter]: At program point L5868(lines 5805 5870) the Hoare annotation is: true [2018-11-28 12:15:42,069 INFO L451 ceAbstractionStarter]: At program point L5831(line 5831) the Hoare annotation is: true [2018-11-28 12:15:42,069 INFO L448 ceAbstractionStarter]: For program point L5831-1(line 5831) no Hoare annotation was computed. [2018-11-28 12:15:42,070 INFO L448 ceAbstractionStarter]: For program point L5864(lines 5864 5867) no Hoare annotation was computed. [2018-11-28 12:15:42,070 INFO L448 ceAbstractionStarter]: For program point L5860-1(line 5860) no Hoare annotation was computed. [2018-11-28 12:15:42,070 INFO L451 ceAbstractionStarter]: At program point L5860(line 5860) the Hoare annotation is: true [2018-11-28 12:15:42,070 INFO L451 ceAbstractionStarter]: At program point L5819(line 5819) the Hoare annotation is: true [2018-11-28 12:15:42,070 INFO L448 ceAbstractionStarter]: For program point L5819-1(line 5819) no Hoare annotation was computed. [2018-11-28 12:15:42,070 INFO L451 ceAbstractionStarter]: At program point L5815(line 5815) the Hoare annotation is: true [2018-11-28 12:15:42,070 INFO L448 ceAbstractionStarter]: For program point L5815-1(line 5815) no Hoare annotation was computed. [2018-11-28 12:15:42,070 INFO L448 ceAbstractionStarter]: For program point L5832-2(lines 5832 5836) no Hoare annotation was computed. [2018-11-28 12:15:42,070 INFO L451 ceAbstractionStarter]: At program point L5865(lines 5805 5870) the Hoare annotation is: true [2018-11-28 12:15:42,070 INFO L448 ceAbstractionStarter]: For program point L5832(line 5832) no Hoare annotation was computed. [2018-11-28 12:15:42,070 INFO L451 ceAbstractionStarter]: At program point L5861(line 5861) the Hoare annotation is: true [2018-11-28 12:15:42,070 INFO L451 ceAbstractionStarter]: At program point L5861-1(line 5861) the Hoare annotation is: true [2018-11-28 12:15:42,070 INFO L451 ceAbstractionStarter]: At program point L6191(line 6191) the Hoare annotation is: true [2018-11-28 12:15:42,070 INFO L448 ceAbstractionStarter]: For program point L6191-1(line 6191) no Hoare annotation was computed. [2018-11-28 12:15:42,071 INFO L448 ceAbstractionStarter]: For program point ldv_alloc_skb_12FINAL(lines 6187 6194) no Hoare annotation was computed. [2018-11-28 12:15:42,071 INFO L448 ceAbstractionStarter]: For program point ldv_alloc_skb_12EXIT(lines 6187 6194) no Hoare annotation was computed. [2018-11-28 12:15:42,071 INFO L451 ceAbstractionStarter]: At program point ldv_alloc_skb_12ENTRY(lines 6187 6194) the Hoare annotation is: true [2018-11-28 12:15:42,071 INFO L451 ceAbstractionStarter]: At program point ldv_skb_allocENTRY(lines 6354 6368) the Hoare annotation is: true [2018-11-28 12:15:42,071 INFO L448 ceAbstractionStarter]: For program point L6364-1(line 6364) no Hoare annotation was computed. [2018-11-28 12:15:42,071 INFO L451 ceAbstractionStarter]: At program point L6364(line 6364) the Hoare annotation is: true [2018-11-28 12:15:42,071 INFO L448 ceAbstractionStarter]: For program point ldv_skb_allocEXIT(lines 6354 6368) no Hoare annotation was computed. [2018-11-28 12:15:42,071 INFO L448 ceAbstractionStarter]: For program point L6359-1(line 6359) no Hoare annotation was computed. [2018-11-28 12:15:42,071 INFO L451 ceAbstractionStarter]: At program point L6359(line 6359) the Hoare annotation is: true [2018-11-28 12:15:42,071 INFO L448 ceAbstractionStarter]: For program point L6361(lines 6361 6366) no Hoare annotation was computed. [2018-11-28 12:15:42,071 INFO L448 ceAbstractionStarter]: For program point ldv_skb_allocFINAL(lines 6354 6368) no Hoare annotation was computed. [2018-11-28 12:15:42,071 INFO L448 ceAbstractionStarter]: For program point ldv_reset_resume_1FINAL(lines 6445 6447) no Hoare annotation was computed. [2018-11-28 12:15:42,071 INFO L448 ceAbstractionStarter]: For program point ldv_reset_resume_1EXIT(lines 6445 6447) no Hoare annotation was computed. [2018-11-28 12:15:42,072 INFO L451 ceAbstractionStarter]: At program point ldv_reset_resume_1ENTRY(lines 6445 6447) the Hoare annotation is: true [2018-11-28 12:15:42,072 INFO L448 ceAbstractionStarter]: For program point kfreeEXIT(lines 6509 6511) no Hoare annotation was computed. [2018-11-28 12:15:42,076 INFO L451 ceAbstractionStarter]: At program point kfreeENTRY(lines 6509 6511) the Hoare annotation is: true [2018-11-28 12:15:42,076 INFO L448 ceAbstractionStarter]: For program point kfreeFINAL(lines 6509 6511) no Hoare annotation was computed. [2018-11-28 12:15:42,076 INFO L448 ceAbstractionStarter]: For program point usbnet_get_endpointsFINAL(lines 6486 6488) no Hoare annotation was computed. [2018-11-28 12:15:42,076 INFO L451 ceAbstractionStarter]: At program point usbnet_get_endpointsENTRY(lines 6486 6488) the Hoare annotation is: true [2018-11-28 12:15:42,076 INFO L448 ceAbstractionStarter]: For program point usbnet_get_endpointsEXIT(lines 6486 6488) no Hoare annotation was computed. [2018-11-28 12:15:42,076 INFO L451 ceAbstractionStarter]: At program point L5919(line 5919) the Hoare annotation is: true [2018-11-28 12:15:42,076 INFO L448 ceAbstractionStarter]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2018-11-28 12:15:42,076 INFO L451 ceAbstractionStarter]: At program point cx82310_driver_initENTRY(lines 5915 5922) the Hoare annotation is: true [2018-11-28 12:15:42,076 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_initFINAL(lines 5915 5922) no Hoare annotation was computed. [2018-11-28 12:15:42,076 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_initEXIT(lines 5915 5922) no Hoare annotation was computed. [2018-11-28 12:15:42,076 INFO L451 ceAbstractionStarter]: At program point L6462(line 6462) the Hoare annotation is: true [2018-11-28 12:15:42,076 INFO L451 ceAbstractionStarter]: At program point skb_putENTRY(lines 6461 6463) the Hoare annotation is: true [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point skb_putFINAL(lines 6461 6463) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point L6462-1(line 6462) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point skb_putEXIT(lines 6461 6463) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5562) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 5558 5564) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L451 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 5558 5564) the Hoare annotation is: true [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 5558 5564) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point L5468-1(line 5468) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L451 ceAbstractionStarter]: At program point L5468(line 5468) the Hoare annotation is: true [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point kzallocEXIT(lines 5464 5471) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L451 ceAbstractionStarter]: At program point kzallocENTRY(lines 5464 5471) the Hoare annotation is: true [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point kzallocFINAL(lines 5464 5471) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L451 ceAbstractionStarter]: At program point skb_pullENTRY(lines 6453 6455) the Hoare annotation is: true [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point skb_pullFINAL(lines 6453 6455) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L451 ceAbstractionStarter]: At program point L6454(line 6454) the Hoare annotation is: true [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point skb_pullEXIT(lines 6453 6455) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point L6454-1(line 6454) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L451 ceAbstractionStarter]: At program point kmallocENTRY(lines 5456 5463) the Hoare annotation is: true [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point kmallocFINAL(lines 5456 5463) no Hoare annotation was computed. [2018-11-28 12:15:42,077 INFO L448 ceAbstractionStarter]: For program point L5460-1(line 5460) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point kmallocEXIT(lines 5456 5463) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L451 ceAbstractionStarter]: At program point L5460(line 5460) the Hoare annotation is: true [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_exitEXIT(lines 5923 5929) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point cx82310_driver_exitFINAL(lines 5923 5929) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L451 ceAbstractionStarter]: At program point cx82310_driver_exitENTRY(lines 5923 5929) the Hoare annotation is: true [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_15FINAL(lines 6209 6216) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_15EXIT(lines 6209 6216) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L451 ceAbstractionStarter]: At program point ldv_usb_deregister_15ENTRY(lines 6209 6216) the Hoare annotation is: true [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point L6212-1(line 6212) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L451 ceAbstractionStarter]: At program point L6212(line 6212) the Hoare annotation is: true [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_14FINAL(lines 6195 6208) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_14EXIT(lines 6195 6208) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L451 ceAbstractionStarter]: At program point L6205(line 6205) the Hoare annotation is: true [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point L6205-1(line 6205) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L451 ceAbstractionStarter]: At program point ldv_usb_register_driver_14ENTRY(lines 6195 6208) the Hoare annotation is: true [2018-11-28 12:15:42,078 INFO L451 ceAbstractionStarter]: At program point L6201(line 6201) the Hoare annotation is: true [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point L6201-1(line 6201) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point L5692(lines 5692 5698) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L451 ceAbstractionStarter]: At program point L5688(lines 5668 5720) the Hoare annotation is: true [2018-11-28 12:15:42,078 INFO L451 ceAbstractionStarter]: At program point L5717(line 5717) the Hoare annotation is: true [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point L5717-1(line 5717) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point L5713(lines 5713 5719) no Hoare annotation was computed. [2018-11-28 12:15:42,078 INFO L448 ceAbstractionStarter]: For program point cx82310_cmdEXIT(lines 5625 5726) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5672(line 5672) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5668(lines 5668 5721) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L451 ceAbstractionStarter]: At program point L5722(lines 5644 5725) the Hoare annotation is: true [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5660(line 5660) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5656-2(line 5656) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5656(line 5656) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5681(lines 5681 5684) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5648(lines 5648 5651) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5706(lines 5706 5712) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L451 ceAbstractionStarter]: At program point L5673(lines 5673 5674) the Hoare annotation is: true [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5673-1(lines 5673 5674) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5723(line 5723) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L451 ceAbstractionStarter]: At program point L5661(line 5661) the Hoare annotation is: true [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5661-1(line 5661) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point cx82310_cmdFINAL(lines 5625 5726) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L451 ceAbstractionStarter]: At program point L5686(lines 5668 5720) the Hoare annotation is: true [2018-11-28 12:15:42,079 INFO L451 ceAbstractionStarter]: At program point L5657(line 5657) the Hoare annotation is: true [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5657-1(line 5657) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L451 ceAbstractionStarter]: At program point L5653-2(lines 5653 5659) the Hoare annotation is: true [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5653(lines 5653 5659) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L451 ceAbstractionStarter]: At program point cx82310_cmdENTRY(lines 5625 5726) the Hoare annotation is: true [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5699(lines 5699 5705) no Hoare annotation was computed. [2018-11-28 12:15:42,079 INFO L448 ceAbstractionStarter]: For program point L5662(lines 5662 5667) no Hoare annotation was computed. [2018-11-28 12:15:42,080 INFO L451 ceAbstractionStarter]: At program point L5691(lines 5668 5720) the Hoare annotation is: true [2018-11-28 12:15:42,080 INFO L448 ceAbstractionStarter]: For program point L5716-2(line 5716) no Hoare annotation was computed. [2018-11-28 12:15:42,080 INFO L448 ceAbstractionStarter]: For program point L5716(line 5716) no Hoare annotation was computed. [2018-11-28 12:15:42,080 INFO L451 ceAbstractionStarter]: At program point L5646(line 5646) the Hoare annotation is: true [2018-11-28 12:15:42,080 INFO L448 ceAbstractionStarter]: For program point L5675(lines 5675 5680) no Hoare annotation was computed. [2018-11-28 12:15:42,080 INFO L448 ceAbstractionStarter]: For program point L5646-1(line 5646) no Hoare annotation was computed. [2018-11-28 12:15:42,080 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:15:42,080 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-28 12:15:42,080 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:15:42,080 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:15:42,080 INFO L448 ceAbstractionStarter]: For program point usbnet_skb_returnFINAL(lines 6497 6499) no Hoare annotation was computed. [2018-11-28 12:15:42,080 INFO L448 ceAbstractionStarter]: For program point usbnet_skb_returnEXIT(lines 6497 6499) no Hoare annotation was computed. [2018-11-28 12:15:42,080 INFO L451 ceAbstractionStarter]: At program point usbnet_skb_returnENTRY(lines 6497 6499) the Hoare annotation is: true [2018-11-28 12:15:42,080 INFO L448 ceAbstractionStarter]: For program point cx82310_bindEXIT(lines 5727 5785) no Hoare annotation was computed. [2018-11-28 12:15:42,080 INFO L448 ceAbstractionStarter]: For program point L5748(lines 5748 5751) no Hoare annotation was computed. [2018-11-28 12:15:42,081 INFO L451 ceAbstractionStarter]: At program point L5775(line 5775) the Hoare annotation is: true [2018-11-28 12:15:42,081 INFO L448 ceAbstractionStarter]: For program point L5775-1(line 5775) no Hoare annotation was computed. [2018-11-28 12:15:42,081 INFO L451 ceAbstractionStarter]: At program point L5777(lines 5735 5784) the Hoare annotation is: true [2018-11-28 12:15:42,081 INFO L448 ceAbstractionStarter]: For program point L5738(lines 5738 5746) no Hoare annotation was computed. [2018-11-28 12:15:42,081 INFO L448 ceAbstractionStarter]: For program point L5740(lines 5740 5744) no Hoare annotation was computed. [2018-11-28 12:15:42,081 INFO L448 ceAbstractionStarter]: For program point cx82310_bindFINAL(lines 5727 5785) no Hoare annotation was computed. [2018-11-28 12:15:42,081 INFO L448 ceAbstractionStarter]: For program point L5769(lines 5769 5774) no Hoare annotation was computed. [2018-11-28 12:15:42,081 INFO L451 ceAbstractionStarter]: At program point L5738-2(lines 5738 5746) the Hoare annotation is: true [2018-11-28 12:15:42,081 INFO L451 ceAbstractionStarter]: At program point cx82310_bindENTRY(lines 5727 5785) the Hoare annotation is: true [2018-11-28 12:15:42,081 INFO L451 ceAbstractionStarter]: At program point L5761(line 5761) the Hoare annotation is: true [2018-11-28 12:15:42,081 INFO L448 ceAbstractionStarter]: For program point L5761-1(line 5761) no Hoare annotation was computed. [2018-11-28 12:15:42,081 INFO L451 ceAbstractionStarter]: At program point L5755(line 5755) the Hoare annotation is: true [2018-11-28 12:15:42,082 INFO L448 ceAbstractionStarter]: For program point L5755-1(line 5755) no Hoare annotation was computed. [2018-11-28 12:15:42,082 INFO L448 ceAbstractionStarter]: For program point L5757(lines 5757 5760) no Hoare annotation was computed. [2018-11-28 12:15:42,082 INFO L451 ceAbstractionStarter]: At program point L5782(line 5782) the Hoare annotation is: true [2018-11-28 12:15:42,082 INFO L448 ceAbstractionStarter]: For program point L5747(line 5747) no Hoare annotation was computed. [2018-11-28 12:15:42,082 INFO L448 ceAbstractionStarter]: For program point L5782-1(line 5782) no Hoare annotation was computed. [2018-11-28 12:15:42,082 INFO L448 ceAbstractionStarter]: For program point L5776(lines 5776 5779) no Hoare annotation was computed. [2018-11-28 12:15:42,082 INFO L448 ceAbstractionStarter]: For program point L5768-1(line 5768) no Hoare annotation was computed. [2018-11-28 12:15:42,082 INFO L451 ceAbstractionStarter]: At program point L5737(line 5737) the Hoare annotation is: true [2018-11-28 12:15:42,082 INFO L448 ceAbstractionStarter]: For program point L5737-1(line 5737) no Hoare annotation was computed. [2018-11-28 12:15:42,082 INFO L451 ceAbstractionStarter]: At program point L5768(line 5768) the Hoare annotation is: true [2018-11-28 12:15:42,082 INFO L448 ceAbstractionStarter]: For program point L5762(lines 5762 5767) no Hoare annotation was computed. [2018-11-28 12:15:42,082 INFO L448 ceAbstractionStarter]: For program point usb_stringFINAL(lines 6479 6481) no Hoare annotation was computed. [2018-11-28 12:15:42,083 INFO L451 ceAbstractionStarter]: At program point usb_stringENTRY(lines 6479 6481) the Hoare annotation is: true [2018-11-28 12:15:42,083 INFO L448 ceAbstractionStarter]: For program point usb_stringEXIT(lines 6479 6481) no Hoare annotation was computed. [2018-11-28 12:15:42,083 INFO L451 ceAbstractionStarter]: At program point cx82310_unbindENTRY(lines 5786 5792) the Hoare annotation is: true [2018-11-28 12:15:42,083 INFO L448 ceAbstractionStarter]: For program point cx82310_unbindFINAL(lines 5786 5792) no Hoare annotation was computed. [2018-11-28 12:15:42,083 INFO L451 ceAbstractionStarter]: At program point L5789(line 5789) the Hoare annotation is: true [2018-11-28 12:15:42,083 INFO L448 ceAbstractionStarter]: For program point L5789-1(line 5789) no Hoare annotation was computed. [2018-11-28 12:15:42,083 INFO L448 ceAbstractionStarter]: For program point cx82310_unbindEXIT(lines 5786 5792) no Hoare annotation was computed. [2018-11-28 12:15:42,083 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:15:42,083 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:15:42,083 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:15:42,083 INFO L448 ceAbstractionStarter]: For program point __dev_kfree_skb_anyFINAL(lines 6433 6435) no Hoare annotation was computed. [2018-11-28 12:15:42,083 INFO L451 ceAbstractionStarter]: At program point __dev_kfree_skb_anyENTRY(lines 6433 6435) the Hoare annotation is: true [2018-11-28 12:15:42,083 INFO L448 ceAbstractionStarter]: For program point __dev_kfree_skb_anyEXIT(lines 6433 6435) no Hoare annotation was computed. [2018-11-28 12:15:42,084 INFO L451 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 6421 6432) the Hoare annotation is: true [2018-11-28 12:15:42,084 INFO L448 ceAbstractionStarter]: For program point L6426(lines 6426 6429) no Hoare annotation was computed. [2018-11-28 12:15:42,084 INFO L448 ceAbstractionStarter]: For program point L6428-1(lines 6421 6432) no Hoare annotation was computed. [2018-11-28 12:15:42,084 INFO L451 ceAbstractionStarter]: At program point L6428(line 6428) the Hoare annotation is: true [2018-11-28 12:15:42,084 INFO L448 ceAbstractionStarter]: For program point L6425-1(line 6425) no Hoare annotation was computed. [2018-11-28 12:15:42,084 INFO L451 ceAbstractionStarter]: At program point L6425(line 6425) the Hoare annotation is: true [2018-11-28 12:15:42,084 INFO L448 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 6421 6432) no Hoare annotation was computed. [2018-11-28 12:15:42,084 INFO L448 ceAbstractionStarter]: For program point skb_copy_expandFINAL(lines 6449 6451) no Hoare annotation was computed. [2018-11-28 12:15:42,084 INFO L448 ceAbstractionStarter]: For program point L6450-1(line 6450) no Hoare annotation was computed. [2018-11-28 12:15:42,084 INFO L451 ceAbstractionStarter]: At program point skb_copy_expandENTRY(lines 6449 6451) the Hoare annotation is: true [2018-11-28 12:15:42,084 INFO L451 ceAbstractionStarter]: At program point L6450(line 6450) the Hoare annotation is: true [2018-11-28 12:15:42,084 INFO L448 ceAbstractionStarter]: For program point skb_copy_expandEXIT(lines 6449 6451) no Hoare annotation was computed. [2018-11-28 12:15:42,084 INFO L451 ceAbstractionStarter]: At program point L5527(line 5527) the Hoare annotation is: true [2018-11-28 12:15:42,085 INFO L448 ceAbstractionStarter]: For program point L5527-1(line 5527) no Hoare annotation was computed. [2018-11-28 12:15:42,085 INFO L448 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 5517 5533) no Hoare annotation was computed. [2018-11-28 12:15:42,085 INFO L451 ceAbstractionStarter]: At program point ldv_zallocENTRY(lines 5517 5533) the Hoare annotation is: true [2018-11-28 12:15:42,085 INFO L448 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 5517 5533) no Hoare annotation was computed. [2018-11-28 12:15:42,085 INFO L448 ceAbstractionStarter]: For program point L5524(lines 5524 5531) no Hoare annotation was computed. [2018-11-28 12:15:42,085 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:15:42,085 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-28 12:15:42,085 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:15:42,085 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:15:42,085 INFO L451 ceAbstractionStarter]: At program point dev_kfree_skb_anyENTRY(lines 5598 5604) the Hoare annotation is: true [2018-11-28 12:15:42,085 INFO L451 ceAbstractionStarter]: At program point L5601(line 5601) the Hoare annotation is: true [2018-11-28 12:15:42,085 INFO L448 ceAbstractionStarter]: For program point dev_kfree_skb_anyEXIT(lines 5598 5604) no Hoare annotation was computed. [2018-11-28 12:15:42,086 INFO L448 ceAbstractionStarter]: For program point dev_kfree_skb_anyFINAL(lines 5598 5604) no Hoare annotation was computed. [2018-11-28 12:15:42,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:15:42 BoogieIcfgContainer [2018-11-28 12:15:42,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:15:42,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:15:42,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:15:42,092 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:15:42,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:15:41" (3/4) ... [2018-11-28 12:15:42,095 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:15:42,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_resume [2018-11-28 12:15:42,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2018-11-28 12:15:42,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:15:42,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_init [2018-11-28 12:15:42,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_bulk_msg [2018-11-28 12:15:42,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_add [2018-11-28 12:15:42,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_deregister [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_probe [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_tx_fixup [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize_driver_info_2 [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_headroom [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_is_empty [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_register_driver [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_suspend [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_driver_1 [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_rx_fixup [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_alloc_skb_12 [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_alloc [2018-11-28 12:15:42,100 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_reset_resume_1 [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_get_endpoints [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_driver_init [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_driver_exit [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_deregister_15 [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_register_driver_14 [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_cmd [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_skb_return [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_bind [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_string [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx82310_unbind [2018-11-28 12:15:42,101 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:15:42,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __dev_kfree_skb_any [2018-11-28 12:15:42,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-11-28 12:15:42,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_copy_expand [2018-11-28 12:15:42,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-28 12:15:42,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2018-11-28 12:15:42,115 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 162 nodes and edges [2018-11-28 12:15:42,116 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 76 nodes and edges [2018-11-28 12:15:42,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-11-28 12:15:42,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:15:42,118 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:15:42,119 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:15:42,202 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8082247c-8850-43cc-84a8-4c2c33cf4fd0/bin-2019/uautomizer/witness.graphml [2018-11-28 12:15:42,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:15:42,203 INFO L168 Benchmark]: Toolchain (without parser) took 4753.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 250.1 MB). Free memory was 932.6 MB in the beginning and 895.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 287.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:42,204 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-28 12:15:42,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1132.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:42,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:15:42,204 INFO L168 Benchmark]: Boogie Preprocessor took 68.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:42,204 INFO L168 Benchmark]: RCFGBuilder took 2725.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.6 MB). Peak memory consumption was 275.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:42,205 INFO L168 Benchmark]: TraceAbstraction took 675.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 923.1 MB in the end (delta: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:42,205 INFO L168 Benchmark]: Witness Printer took 110.64 ms. Allocated memory is still 1.3 GB. Free memory was 923.1 MB in the beginning and 895.0 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:42,206 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 1132.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2725.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.6 MB). Peak memory consumption was 275.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 675.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 923.1 MB in the end (delta: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. * Witness Printer took 110.64 ms. Allocated memory is still 1.3 GB. Free memory was 923.1 MB in the beginning and 895.0 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5562]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5735]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5668]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5668]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5644]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5668]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6235]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 53 procedures, 410 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 146 LocationsWithAnnotation, 243 PreInvPairs, 243 NumberOfFragments, 146 HoareAnnotationTreeSize, 243 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 146 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 3481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 346 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...