./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:07:58,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:07:58,593 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:07:58,609 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:07:58,610 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:07:58,611 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:07:58,613 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:07:58,615 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:07:58,617 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:07:58,626 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:07:58,627 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:07:58,627 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:07:58,628 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:07:58,631 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:07:58,632 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:07:58,633 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:07:58,633 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:07:58,637 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:07:58,640 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:07:58,644 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:07:58,645 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:07:58,646 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:07:58,650 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:07:58,651 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:07:58,651 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:07:58,653 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:07:58,655 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:07:58,655 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:07:58,656 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:07:58,657 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:07:58,657 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:07:58,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:07:58,658 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:07:58,658 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:07:58,662 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:07:58,663 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:07:58,663 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 23:07:58,686 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:07:58,686 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:07:58,687 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:07:58,687 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:07:58,687 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:07:58,688 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:07:58,689 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:07:58,689 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:07:58,689 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:07:58,689 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:07:58,689 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:07:58,689 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:07:58,690 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:07:58,690 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:07:58,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:07:58,690 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:07:58,690 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:07:58,690 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:07:58,690 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:07:58,692 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:07:58,692 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:07:58,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:07:58,692 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:07:58,693 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:07:58,693 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 23:07:58,693 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:07:58,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 [2019-01-13 23:07:58,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:07:58,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:07:58,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:07:58,776 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:07:58,777 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:07:58,777 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2019-01-13 23:07:58,839 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e819673b8/dea4e9ed9b9941f79a653976185ce851/FLAG978d5c4da [2019-01-13 23:07:59,383 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:07:59,383 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2019-01-13 23:07:59,398 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e819673b8/dea4e9ed9b9941f79a653976185ce851/FLAG978d5c4da [2019-01-13 23:07:59,627 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e819673b8/dea4e9ed9b9941f79a653976185ce851 [2019-01-13 23:07:59,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:07:59,631 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:07:59,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:07:59,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:07:59,636 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:07:59,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:07:59" (1/1) ... [2019-01-13 23:07:59,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590f5f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:59, skipping insertion in model container [2019-01-13 23:07:59,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:07:59" (1/1) ... [2019-01-13 23:07:59,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:07:59,709 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:08:00,159 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:08:00,195 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:08:00,350 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:08:00,438 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:08:00,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:00 WrapperNode [2019-01-13 23:08:00,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:08:00,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:08:00,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:08:00,441 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:08:00,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:00" (1/1) ... [2019-01-13 23:08:00,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:00" (1/1) ... [2019-01-13 23:08:00,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:00" (1/1) ... [2019-01-13 23:08:00,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:00" (1/1) ... [2019-01-13 23:08:00,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:00" (1/1) ... [2019-01-13 23:08:00,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:00" (1/1) ... [2019-01-13 23:08:00,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:00" (1/1) ... [2019-01-13 23:08:00,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:08:00,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:08:00,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:08:00,539 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:08:00,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:08:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:08:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:08:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:08:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:08:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:08:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:08:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:08:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:08:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:08:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:08:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:08:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:08:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:08:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:08:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:08:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:08:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:08:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:08:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:08:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:08:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:08:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:08:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:08:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:08:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:08:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:08:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:08:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:08:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:08:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:08:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:08:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:08:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:08:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:08:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:08:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:08:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:08:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:08:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:08:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:08:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:08:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:08:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:08:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:08:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:08:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:08:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:08:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:08:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:08:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:08:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:08:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:08:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:08:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:08:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:08:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:08:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:08:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:08:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:08:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:08:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:08:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:08:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:08:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:08:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:08:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:08:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:08:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:08:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:08:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:08:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:08:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:08:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:08:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:08:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:08:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:08:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:08:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:08:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:08:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:08:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:08:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:08:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:08:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:08:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:08:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:08:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:08:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:08:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:08:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:08:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:08:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:08:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:08:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:08:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:08:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:08:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:08:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:08:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:08:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:08:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:08:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:08:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:08:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:08:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:08:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:08:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:08:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:08:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:08:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:08:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:08:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:08:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:08:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:08:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:08:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:08:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:08:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:08:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:08:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:08:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:08:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:08:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:08:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:08:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:08:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:08:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:08:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:08:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:08:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:08:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:08:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:08:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:08:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:08:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:08:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:08:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:08:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:08:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:08:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:08:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:08:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:08:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:08:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:08:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:08:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:08:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:08:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:08:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:08:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:08:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:08:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:08:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:08:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:08:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:08:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:08:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:08:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:08:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:08:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 23:08:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 23:08:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:08:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:08:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:08:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:08:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:08:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:08:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:08:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:08:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:08:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:08:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:08:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:08:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:08:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:08:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:08:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:08:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:08:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:08:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:08:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:08:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:08:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:08:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:08:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-13 23:08:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-13 23:08:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:08:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:08:01,289 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:08:02,022 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:08:02,494 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:08:02,494 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:08:02,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:08:02 BoogieIcfgContainer [2019-01-13 23:08:02,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:08:02,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:08:02,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:08:02,499 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:08:02,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:07:59" (1/3) ... [2019-01-13 23:08:02,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400bb729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:08:02, skipping insertion in model container [2019-01-13 23:08:02,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:00" (2/3) ... [2019-01-13 23:08:02,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400bb729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:08:02, skipping insertion in model container [2019-01-13 23:08:02,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:08:02" (3/3) ... [2019-01-13 23:08:02,503 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2_false-valid-memtrack_true-termination.i [2019-01-13 23:08:02,512 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:08:02,519 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-01-13 23:08:02,536 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-01-13 23:08:02,563 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:08:02,564 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:08:02,564 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:08:02,565 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:08:02,565 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:08:02,565 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:08:02,565 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:08:02,565 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:08:02,565 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:08:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2019-01-13 23:08:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:08:02,593 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:02,594 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:02,597 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:02,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:02,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1851691737, now seen corresponding path program 1 times [2019-01-13 23:08:02,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:02,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:02,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:02,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:02,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:03,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:03,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:08:03,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:08:03,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:08:03,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:03,072 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 5 states. [2019-01-13 23:08:03,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:03,478 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2019-01-13 23:08:03,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:08:03,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-13 23:08:03,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:03,492 INFO L225 Difference]: With dead ends: 74 [2019-01-13 23:08:03,492 INFO L226 Difference]: Without dead ends: 71 [2019-01-13 23:08:03,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:03,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-01-13 23:08:03,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2019-01-13 23:08:03,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-13 23:08:03,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2019-01-13 23:08:03,537 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 17 [2019-01-13 23:08:03,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:03,537 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2019-01-13 23:08:03,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:08:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2019-01-13 23:08:03,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:08:03,538 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:03,539 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:03,539 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:03,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:03,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1851691738, now seen corresponding path program 1 times [2019-01-13 23:08:03,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:03,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:03,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:03,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:03,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:03,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:03,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:08:03,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:08:03,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:08:03,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:08:03,940 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 6 states. [2019-01-13 23:08:04,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:04,179 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2019-01-13 23:08:04,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:08:04,180 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-01-13 23:08:04,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:04,182 INFO L225 Difference]: With dead ends: 70 [2019-01-13 23:08:04,182 INFO L226 Difference]: Without dead ends: 70 [2019-01-13 23:08:04,183 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:08:04,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-01-13 23:08:04,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2019-01-13 23:08:04,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-13 23:08:04,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2019-01-13 23:08:04,194 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 17 [2019-01-13 23:08:04,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:04,194 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2019-01-13 23:08:04,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:08:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2019-01-13 23:08:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:08:04,195 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:04,196 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:04,196 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:04,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:04,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1880320888, now seen corresponding path program 1 times [2019-01-13 23:08:04,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:04,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:04,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:04,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:04,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:04,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:04,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:04,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:08:04,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:08:04,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:08:04,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:04,314 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 5 states. [2019-01-13 23:08:04,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:04,348 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2019-01-13 23:08:04,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:08:04,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-13 23:08:04,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:04,350 INFO L225 Difference]: With dead ends: 64 [2019-01-13 23:08:04,350 INFO L226 Difference]: Without dead ends: 64 [2019-01-13 23:08:04,350 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 [2019-01-13 23:08:04,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-13 23:08:04,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2019-01-13 23:08:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-13 23:08:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2019-01-13 23:08:04,358 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 17 [2019-01-13 23:08:04,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:04,359 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2019-01-13 23:08:04,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:08:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2019-01-13 23:08:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:08:04,360 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:04,360 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:04,361 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:04,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:04,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1551472956, now seen corresponding path program 1 times [2019-01-13 23:08:04,361 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:04,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:04,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:04,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:04,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:04,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:04,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:08:04,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:08:04,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:08:04,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:04,481 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 5 states. [2019-01-13 23:08:04,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:04,506 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2019-01-13 23:08:04,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:08:04,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-13 23:08:04,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:04,510 INFO L225 Difference]: With dead ends: 64 [2019-01-13 23:08:04,510 INFO L226 Difference]: Without dead ends: 64 [2019-01-13 23:08:04,510 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 [2019-01-13 23:08:04,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-13 23:08:04,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2019-01-13 23:08:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-13 23:08:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2019-01-13 23:08:04,521 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 22 [2019-01-13 23:08:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:04,521 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2019-01-13 23:08:04,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:08:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2019-01-13 23:08:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:08:04,524 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:04,524 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:04,525 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:04,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:04,526 INFO L82 PathProgramCache]: Analyzing trace with hash -245478403, now seen corresponding path program 1 times [2019-01-13 23:08:04,526 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:04,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:04,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:04,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:04,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:04,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:04,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 23:08:04,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 23:08:04,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 23:08:04,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:08:04,594 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 3 states. [2019-01-13 23:08:04,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:04,738 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2019-01-13 23:08:04,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 23:08:04,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-01-13 23:08:04,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:04,743 INFO L225 Difference]: With dead ends: 68 [2019-01-13 23:08:04,744 INFO L226 Difference]: Without dead ends: 58 [2019-01-13 23:08:04,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:08:04,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-13 23:08:04,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-01-13 23:08:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-13 23:08:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2019-01-13 23:08:04,750 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 22 [2019-01-13 23:08:04,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:04,750 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2019-01-13 23:08:04,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 23:08:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2019-01-13 23:08:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 23:08:04,751 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:04,752 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:04,752 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:04,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:04,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1629210916, now seen corresponding path program 1 times [2019-01-13 23:08:04,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:04,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:04,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:04,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:04,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:04,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:04,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:04,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-13 23:08:04,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-13 23:08:04,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-13 23:08:04,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:08:04,983 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 11 states. [2019-01-13 23:08:05,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:05,484 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2019-01-13 23:08:05,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 23:08:05,485 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2019-01-13 23:08:05,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:05,487 INFO L225 Difference]: With dead ends: 57 [2019-01-13 23:08:05,488 INFO L226 Difference]: Without dead ends: 57 [2019-01-13 23:08:05,488 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-01-13 23:08:05,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-13 23:08:05,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-13 23:08:05,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-13 23:08:05,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2019-01-13 23:08:05,493 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 32 [2019-01-13 23:08:05,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:05,493 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2019-01-13 23:08:05,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-13 23:08:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2019-01-13 23:08:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 23:08:05,494 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:05,495 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:05,495 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:05,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:05,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1629210915, now seen corresponding path program 1 times [2019-01-13 23:08:05,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:05,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:05,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:05,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:05,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:05,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:05,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:05,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:08:05,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:08:05,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:08:05,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:08:05,625 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 4 states. [2019-01-13 23:08:05,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:05,726 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-01-13 23:08:05,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 23:08:05,728 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-01-13 23:08:05,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:05,729 INFO L225 Difference]: With dead ends: 60 [2019-01-13 23:08:05,729 INFO L226 Difference]: Without dead ends: 58 [2019-01-13 23:08:05,729 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:05,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-13 23:08:05,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-01-13 23:08:05,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-13 23:08:05,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2019-01-13 23:08:05,736 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 32 [2019-01-13 23:08:05,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:05,736 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2019-01-13 23:08:05,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:08:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2019-01-13 23:08:05,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-13 23:08:05,737 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:05,738 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:05,740 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:05,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:05,741 INFO L82 PathProgramCache]: Analyzing trace with hash 2061670732, now seen corresponding path program 1 times [2019-01-13 23:08:05,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:05,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:05,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:05,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:05,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:05,845 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:05,845 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:08:05,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:05,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:05,990 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:05,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-01-13 23:08:05,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:08:05,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:08:05,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:08:05,993 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 6 states. [2019-01-13 23:08:06,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:06,030 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2019-01-13 23:08:06,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:08:06,034 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-01-13 23:08:06,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:06,035 INFO L225 Difference]: With dead ends: 61 [2019-01-13 23:08:06,035 INFO L226 Difference]: Without dead ends: 59 [2019-01-13 23:08:06,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:08:06,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-01-13 23:08:06,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-01-13 23:08:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-13 23:08:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2019-01-13 23:08:06,040 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 33 [2019-01-13 23:08:06,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:06,040 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2019-01-13 23:08:06,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:08:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2019-01-13 23:08:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-13 23:08:06,042 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:06,042 INFO L402 BasicCegarLoop]: trace histogram [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] [2019-01-13 23:08:06,043 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:06,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:06,043 INFO L82 PathProgramCache]: Analyzing trace with hash 514884797, now seen corresponding path program 2 times [2019-01-13 23:08:06,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:06,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:06,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:06,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:06,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:06,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:06,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:06,114 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:08:06,158 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-13 23:08:06,218 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-01-13 23:08:06,218 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:06,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:06,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-13 23:08:06,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-13 23:08:06,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 17 [2019-01-13 23:08:06,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-13 23:08:06,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-13 23:08:06,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2019-01-13 23:08:06,526 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 17 states. [2019-01-13 23:08:07,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:07,091 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2019-01-13 23:08:07,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-01-13 23:08:07,092 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 34 [2019-01-13 23:08:07,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:07,093 INFO L225 Difference]: With dead ends: 61 [2019-01-13 23:08:07,093 INFO L226 Difference]: Without dead ends: 59 [2019-01-13 23:08:07,094 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2019-01-13 23:08:07,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-01-13 23:08:07,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-01-13 23:08:07,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-13 23:08:07,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2019-01-13 23:08:07,098 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 34 [2019-01-13 23:08:07,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:07,098 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2019-01-13 23:08:07,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-13 23:08:07,098 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2019-01-13 23:08:07,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-13 23:08:07,100 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:07,100 INFO L402 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:07,100 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:07,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:07,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1731416996, now seen corresponding path program 1 times [2019-01-13 23:08:07,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:07,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:07,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:07,102 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:07,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:07,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-01-13 23:08:07,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:07,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-13 23:08:07,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-13 23:08:07,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-13 23:08:07,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:08:07,294 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 11 states. [2019-01-13 23:08:07,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:07,598 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2019-01-13 23:08:07,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 23:08:07,600 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 40 [2019-01-13 23:08:07,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:07,601 INFO L225 Difference]: With dead ends: 57 [2019-01-13 23:08:07,601 INFO L226 Difference]: Without dead ends: 57 [2019-01-13 23:08:07,602 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-01-13 23:08:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-13 23:08:07,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-13 23:08:07,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-13 23:08:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2019-01-13 23:08:07,605 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 40 [2019-01-13 23:08:07,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:07,607 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2019-01-13 23:08:07,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-13 23:08:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2019-01-13 23:08:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-13 23:08:07,608 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:07,608 INFO L402 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:07,609 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:07,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:07,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1731416995, now seen corresponding path program 1 times [2019-01-13 23:08:07,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:07,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:07,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:07,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:07,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:08,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:08,052 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:08:08,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:08,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:08,251 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:08,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2019-01-13 23:08:08,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:08:08,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:08:08,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:08:08,253 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 8 states. [2019-01-13 23:08:08,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:08,282 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-01-13 23:08:08,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:08:08,285 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2019-01-13 23:08:08,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:08,286 INFO L225 Difference]: With dead ends: 60 [2019-01-13 23:08:08,286 INFO L226 Difference]: Without dead ends: 58 [2019-01-13 23:08:08,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:08:08,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-13 23:08:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-01-13 23:08:08,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-13 23:08:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2019-01-13 23:08:08,290 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 40 [2019-01-13 23:08:08,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:08,290 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2019-01-13 23:08:08,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:08:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2019-01-13 23:08:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-13 23:08:08,292 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:08,292 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:08,292 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:08,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:08,293 INFO L82 PathProgramCache]: Analyzing trace with hash 318058444, now seen corresponding path program 2 times [2019-01-13 23:08:08,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:08,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:08,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:08,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:08,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:08,457 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:08,458 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:08:08,469 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-13 23:08:08,505 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-01-13 23:08:08,505 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:08,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-01-13 23:08:09,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-13 23:08:09,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [8] total 20 [2019-01-13 23:08:09,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-01-13 23:08:09,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-01-13 23:08:09,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2019-01-13 23:08:09,056 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 20 states. [2019-01-13 23:08:09,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:09,681 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2019-01-13 23:08:09,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-01-13 23:08:09,682 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 41 [2019-01-13 23:08:09,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:09,684 INFO L225 Difference]: With dead ends: 59 [2019-01-13 23:08:09,684 INFO L226 Difference]: Without dead ends: 57 [2019-01-13 23:08:09,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=696, Unknown=0, NotChecked=0, Total=812 [2019-01-13 23:08:09,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-13 23:08:09,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-13 23:08:09,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-13 23:08:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2019-01-13 23:08:09,690 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 41 [2019-01-13 23:08:09,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:09,690 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2019-01-13 23:08:09,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-01-13 23:08:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2019-01-13 23:08:09,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-13 23:08:09,691 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:09,691 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:09,692 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:09,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:09,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1929202260, now seen corresponding path program 1 times [2019-01-13 23:08:09,692 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:09,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:09,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:09,694 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:09,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-01-13 23:08:09,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:09,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:08:09,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:08:09,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:08:09,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:08:09,852 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 7 states. [2019-01-13 23:08:09,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:09,907 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2019-01-13 23:08:09,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:08:09,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2019-01-13 23:08:09,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:09,910 INFO L225 Difference]: With dead ends: 59 [2019-01-13 23:08:09,910 INFO L226 Difference]: Without dead ends: 57 [2019-01-13 23:08:09,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:08:09,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-13 23:08:09,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-13 23:08:09,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-13 23:08:09,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2019-01-13 23:08:09,914 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 40 [2019-01-13 23:08:09,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:09,914 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2019-01-13 23:08:09,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:08:09,914 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-01-13 23:08:09,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-01-13 23:08:09,915 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:09,915 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:09,916 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:09,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:09,916 INFO L82 PathProgramCache]: Analyzing trace with hash -897346873, now seen corresponding path program 1 times [2019-01-13 23:08:09,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:09,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:09,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:09,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:09,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-01-13 23:08:10,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:10,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-13 23:08:10,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:08:10,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:08:10,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:08:10,152 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 9 states. [2019-01-13 23:08:10,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:10,294 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2019-01-13 23:08:10,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:08:10,295 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2019-01-13 23:08:10,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:10,297 INFO L225 Difference]: With dead ends: 61 [2019-01-13 23:08:10,297 INFO L226 Difference]: Without dead ends: 57 [2019-01-13 23:08:10,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:08:10,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-13 23:08:10,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-13 23:08:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-13 23:08:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2019-01-13 23:08:10,303 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 45 [2019-01-13 23:08:10,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:10,303 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2019-01-13 23:08:10,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:08:10,303 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2019-01-13 23:08:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-13 23:08:10,304 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:10,304 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:10,305 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:10,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:10,305 INFO L82 PathProgramCache]: Analyzing trace with hash 530309528, now seen corresponding path program 1 times [2019-01-13 23:08:10,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:10,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:10,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:10,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:10,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:10,503 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:10,503 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:08:10,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:10,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:10,634 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:10,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2019-01-13 23:08:10,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-13 23:08:10,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-13 23:08:10,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:08:10,636 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 10 states. [2019-01-13 23:08:10,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:10,686 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2019-01-13 23:08:10,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:08:10,687 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2019-01-13 23:08:10,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:10,687 INFO L225 Difference]: With dead ends: 60 [2019-01-13 23:08:10,688 INFO L226 Difference]: Without dead ends: 58 [2019-01-13 23:08:10,688 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:08:10,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-13 23:08:10,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-01-13 23:08:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-13 23:08:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2019-01-13 23:08:10,694 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2019-01-13 23:08:10,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:10,694 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2019-01-13 23:08:10,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-13 23:08:10,695 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2019-01-13 23:08:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-01-13 23:08:10,698 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:10,698 INFO L402 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:10,699 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:10,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:10,699 INFO L82 PathProgramCache]: Analyzing trace with hash 805676807, now seen corresponding path program 2 times [2019-01-13 23:08:10,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:10,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:10,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:10,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:10,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:10,932 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:10,932 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:10,932 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:08:10,945 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-13 23:08:10,990 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-13 23:08:10,990 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:10,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:11,038 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:11,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2019-01-13 23:08:11,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-13 23:08:11,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-13 23:08:11,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:08:11,040 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 11 states. [2019-01-13 23:08:11,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:11,084 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2019-01-13 23:08:11,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:08:11,085 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2019-01-13 23:08:11,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:11,086 INFO L225 Difference]: With dead ends: 61 [2019-01-13 23:08:11,086 INFO L226 Difference]: Without dead ends: 59 [2019-01-13 23:08:11,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:08:11,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-01-13 23:08:11,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-01-13 23:08:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-13 23:08:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2019-01-13 23:08:11,089 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2019-01-13 23:08:11,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:11,090 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2019-01-13 23:08:11,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-13 23:08:11,090 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2019-01-13 23:08:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-01-13 23:08:11,091 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:11,094 INFO L402 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:11,094 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:11,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:11,095 INFO L82 PathProgramCache]: Analyzing trace with hash 752127864, now seen corresponding path program 3 times [2019-01-13 23:08:11,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:11,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:11,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:11,096 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:11,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:11,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:11,659 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:08:11,676 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-13 23:08:12,233 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-01-13 23:08:12,233 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:12,239 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:12,288 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:12,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2019-01-13 23:08:12,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-13 23:08:12,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-13 23:08:12,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:08:12,290 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 12 states. [2019-01-13 23:08:12,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:12,392 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2019-01-13 23:08:12,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 23:08:12,394 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2019-01-13 23:08:12,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:12,395 INFO L225 Difference]: With dead ends: 62 [2019-01-13 23:08:12,395 INFO L226 Difference]: Without dead ends: 60 [2019-01-13 23:08:12,395 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:08:12,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-13 23:08:12,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-01-13 23:08:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-13 23:08:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2019-01-13 23:08:12,404 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2019-01-13 23:08:12,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:12,409 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2019-01-13 23:08:12,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-13 23:08:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2019-01-13 23:08:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-01-13 23:08:12,410 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:12,410 INFO L402 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:12,411 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:12,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:12,416 INFO L82 PathProgramCache]: Analyzing trace with hash -907889369, now seen corresponding path program 4 times [2019-01-13 23:08:12,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:12,417 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:12,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:12,418 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:12,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:12,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:12,553 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:08:12,565 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-13 23:08:12,633 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-13 23:08:12,633 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:12,638 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:12,704 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:12,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2019-01-13 23:08:12,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-13 23:08:12,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-13 23:08:12,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:08:12,705 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 13 states. [2019-01-13 23:08:12,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:12,741 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2019-01-13 23:08:12,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-13 23:08:12,743 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2019-01-13 23:08:12,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:12,745 INFO L225 Difference]: With dead ends: 63 [2019-01-13 23:08:12,745 INFO L226 Difference]: Without dead ends: 61 [2019-01-13 23:08:12,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2019-01-13 23:08:12,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-13 23:08:12,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-01-13 23:08:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-13 23:08:12,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2019-01-13 23:08:12,750 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2019-01-13 23:08:12,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:12,750 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2019-01-13 23:08:12,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-13 23:08:12,750 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2019-01-13 23:08:12,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-01-13 23:08:12,751 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:12,751 INFO L402 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:12,751 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:12,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:12,757 INFO L82 PathProgramCache]: Analyzing trace with hash -828816040, now seen corresponding path program 5 times [2019-01-13 23:08:12,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:12,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:12,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:12,758 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:12,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:12,921 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:12,921 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:12,921 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:08:12,931 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-01-13 23:08:13,082 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2019-01-13 23:08:13,082 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:13,085 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:13,148 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:13,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2019-01-13 23:08:13,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-13 23:08:13,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-13 23:08:13,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2019-01-13 23:08:13,150 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 14 states. [2019-01-13 23:08:13,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:13,217 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2019-01-13 23:08:13,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 23:08:13,218 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 60 [2019-01-13 23:08:13,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:13,219 INFO L225 Difference]: With dead ends: 64 [2019-01-13 23:08:13,219 INFO L226 Difference]: Without dead ends: 62 [2019-01-13 23:08:13,219 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2019-01-13 23:08:13,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-13 23:08:13,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-01-13 23:08:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-13 23:08:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2019-01-13 23:08:13,225 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2019-01-13 23:08:13,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:13,226 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2019-01-13 23:08:13,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-13 23:08:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2019-01-13 23:08:13,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-01-13 23:08:13,226 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:13,227 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:13,232 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:13,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:13,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1622457159, now seen corresponding path program 6 times [2019-01-13 23:08:13,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:13,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:13,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:13,233 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:13,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:13,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:13,922 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:08:13,932 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-01-13 23:08:15,600 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2019-01-13 23:08:15,601 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:15,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:15,675 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:15,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2019-01-13 23:08:15,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-01-13 23:08:15,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-01-13 23:08:15,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2019-01-13 23:08:15,676 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 15 states. [2019-01-13 23:08:15,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:15,837 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2019-01-13 23:08:15,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-13 23:08:15,839 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2019-01-13 23:08:15,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:15,840 INFO L225 Difference]: With dead ends: 65 [2019-01-13 23:08:15,840 INFO L226 Difference]: Without dead ends: 63 [2019-01-13 23:08:15,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2019-01-13 23:08:15,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-01-13 23:08:15,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-01-13 23:08:15,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-01-13 23:08:15,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2019-01-13 23:08:15,844 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2019-01-13 23:08:15,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:15,845 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2019-01-13 23:08:15,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-01-13 23:08:15,845 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2019-01-13 23:08:15,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-01-13 23:08:15,846 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:15,848 INFO L402 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:15,849 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:15,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:15,849 INFO L82 PathProgramCache]: Analyzing trace with hash 302515000, now seen corresponding path program 7 times [2019-01-13 23:08:15,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:15,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:15,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:15,851 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:15,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:16,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:16,203 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:08:16,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:16,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:16,288 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:16,309 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:16,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2019-01-13 23:08:16,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-13 23:08:16,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-13 23:08:16,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2019-01-13 23:08:16,310 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 16 states. [2019-01-13 23:08:16,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:16,355 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2019-01-13 23:08:16,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-13 23:08:16,356 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 62 [2019-01-13 23:08:16,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:16,356 INFO L225 Difference]: With dead ends: 66 [2019-01-13 23:08:16,357 INFO L226 Difference]: Without dead ends: 64 [2019-01-13 23:08:16,357 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=161, Unknown=0, NotChecked=0, Total=272 [2019-01-13 23:08:16,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-13 23:08:16,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-01-13 23:08:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-13 23:08:16,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2019-01-13 23:08:16,363 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2019-01-13 23:08:16,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:16,363 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2019-01-13 23:08:16,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-13 23:08:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2019-01-13 23:08:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-01-13 23:08:16,367 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:16,367 INFO L402 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:16,369 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:16,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:16,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1960986265, now seen corresponding path program 8 times [2019-01-13 23:08:16,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:16,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:16,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:16,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:16,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:16,589 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:16,589 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:08:16,599 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-13 23:08:16,671 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-13 23:08:16,671 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:16,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:16,771 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:16,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2019-01-13 23:08:16,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-13 23:08:16,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-13 23:08:16,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2019-01-13 23:08:16,772 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 17 states. [2019-01-13 23:08:16,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:16,862 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2019-01-13 23:08:16,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-01-13 23:08:16,864 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 63 [2019-01-13 23:08:16,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:16,865 INFO L225 Difference]: With dead ends: 67 [2019-01-13 23:08:16,865 INFO L226 Difference]: Without dead ends: 65 [2019-01-13 23:08:16,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=180, Unknown=0, NotChecked=0, Total=306 [2019-01-13 23:08:16,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-01-13 23:08:16,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-01-13 23:08:16,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-13 23:08:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2019-01-13 23:08:16,869 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2019-01-13 23:08:16,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:16,869 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2019-01-13 23:08:16,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-13 23:08:16,869 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2019-01-13 23:08:16,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-01-13 23:08:16,870 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:16,870 INFO L402 BasicCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:16,871 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:16,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:16,871 INFO L82 PathProgramCache]: Analyzing trace with hash 884918552, now seen corresponding path program 9 times [2019-01-13 23:08:16,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:16,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:16,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:16,873 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:16,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:17,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:17,319 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:08:17,330 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-13 23:08:39,622 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-01-13 23:08:39,623 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:39,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:40,037 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:40,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21] total 36 [2019-01-13 23:08:40,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-01-13 23:08:40,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-01-13 23:08:40,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=889, Unknown=0, NotChecked=0, Total=1260 [2019-01-13 23:08:40,038 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 36 states. [2019-01-13 23:08:40,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:40,250 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2019-01-13 23:08:40,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-01-13 23:08:40,252 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 64 [2019-01-13 23:08:40,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:40,253 INFO L225 Difference]: With dead ends: 68 [2019-01-13 23:08:40,253 INFO L226 Difference]: Without dead ends: 66 [2019-01-13 23:08:40,254 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=409, Invalid=997, Unknown=0, NotChecked=0, Total=1406 [2019-01-13 23:08:40,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-01-13 23:08:40,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-01-13 23:08:40,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-01-13 23:08:40,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2019-01-13 23:08:40,258 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2019-01-13 23:08:40,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:40,260 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2019-01-13 23:08:40,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-01-13 23:08:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2019-01-13 23:08:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-01-13 23:08:40,261 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:40,261 INFO L402 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:40,261 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:40,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:40,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1086345337, now seen corresponding path program 10 times [2019-01-13 23:08:40,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:40,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:40,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:40,266 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:40,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:40,522 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:40,523 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:40,523 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:08:40,535 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-01-13 23:08:40,590 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-01-13 23:08:40,590 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:40,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:40,642 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:40,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2019-01-13 23:08:40,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-01-13 23:08:40,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-01-13 23:08:40,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2019-01-13 23:08:40,644 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 19 states. [2019-01-13 23:08:40,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:40,724 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2019-01-13 23:08:40,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-01-13 23:08:40,725 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 65 [2019-01-13 23:08:40,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:40,727 INFO L225 Difference]: With dead ends: 69 [2019-01-13 23:08:40,727 INFO L226 Difference]: Without dead ends: 67 [2019-01-13 23:08:40,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=221, Unknown=0, NotChecked=0, Total=380 [2019-01-13 23:08:40,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-01-13 23:08:40,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-01-13 23:08:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-01-13 23:08:40,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2019-01-13 23:08:40,730 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2019-01-13 23:08:40,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:40,730 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2019-01-13 23:08:40,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-01-13 23:08:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2019-01-13 23:08:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-01-13 23:08:40,733 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:40,733 INFO L402 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:40,734 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:40,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:40,734 INFO L82 PathProgramCache]: Analyzing trace with hash -2065983752, now seen corresponding path program 11 times [2019-01-13 23:08:40,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:40,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:40,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:40,735 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:40,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:41,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:08:41,697 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 23:08:41,709 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-01-13 23:08:42,146 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2019-01-13 23:08:42,146 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:42,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:42,205 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:42,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2019-01-13 23:08:42,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-01-13 23:08:42,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-01-13 23:08:42,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2019-01-13 23:08:42,206 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 20 states. [2019-01-13 23:08:42,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:42,262 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2019-01-13 23:08:42,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-01-13 23:08:42,262 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 66 [2019-01-13 23:08:42,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:42,263 INFO L225 Difference]: With dead ends: 70 [2019-01-13 23:08:42,263 INFO L226 Difference]: Without dead ends: 68 [2019-01-13 23:08:42,264 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=177, Invalid=243, Unknown=0, NotChecked=0, Total=420 [2019-01-13 23:08:42,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-13 23:08:42,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-01-13 23:08:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-13 23:08:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2019-01-13 23:08:42,266 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2019-01-13 23:08:42,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:42,267 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2019-01-13 23:08:42,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-01-13 23:08:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2019-01-13 23:08:42,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-01-13 23:08:42,267 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:42,268 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:42,268 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:42,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:42,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1924963751, now seen corresponding path program 12 times [2019-01-13 23:08:42,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:08:42,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:08:42,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:42,270 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:42,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:08:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:08:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:08:42,363 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:08:42,381 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2019-01-13 23:08:42,386 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:08:42,392 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:08:42,392 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:08:42,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:08:42 BoogieIcfgContainer [2019-01-13 23:08:42,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:08:42,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:08:42,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:08:42,405 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:08:42,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:08:02" (3/4) ... [2019-01-13 23:08:42,414 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:08:42,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:08:42,420 INFO L168 Benchmark]: Toolchain (without parser) took 42789.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.8 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -88.3 MB). Peak memory consumption was 231.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:08:42,421 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:08:42,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2019-01-13 23:08:42,423 INFO L168 Benchmark]: Boogie Preprocessor took 98.50 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-13 23:08:42,423 INFO L168 Benchmark]: RCFGBuilder took 1956.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.5 MB). Peak memory consumption was 97.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:08:42,427 INFO L168 Benchmark]: TraceAbstraction took 39908.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -26.5 MB). Peak memory consumption was 147.6 MB. Max. memory is 11.5 GB. [2019-01-13 23:08:42,427 INFO L168 Benchmark]: Witness Printer took 13.73 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:08:42,437 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 807.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.50 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1956.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.5 MB). Peak memory consumption was 97.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 39908.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -26.5 MB). Peak memory consumption was 147.6 MB. Max. memory is 11.5 GB. * Witness Printer took 13.73 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1441]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1441. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-1:0}] [L1442] CALL entry_point() VAL [ldv_global_msg_list={-1:0}] [L1436] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-1:0}] [L1437] CALL, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-1:0}] [L1406] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-1:0}] [L1408] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16, ldv_global_msg_list={-1:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=16, \result={1:0}, ldv_global_msg_list={-1:0}, malloc(size)={1:0}, size=16] [L1408] RET, EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_global_msg_list={-1:0}, ldv_malloc(sizeof(*kobj))={1:0}] [L1408] kobj = ldv_malloc(sizeof(*kobj)) [L1409] COND FALSE !(!kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L1411] FCALL memset(kobj, 0, sizeof(*kobj)) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}, memset(kobj, 0, sizeof(*kobj))={1:0}] [L1413] CALL ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L1394] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L1398] CALL ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L1380] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L1382] CALL ldv_kref_init(&kobj->kref) VAL [kref={1:12}, ldv_global_msg_list={-1:0}] [L1294] ((&kref->refcount)->counter) = (1) VAL [kref={1:12}, kref={1:12}, ldv_global_msg_list={-1:0}] [L1382] RET ldv_kref_init(&kobj->kref) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L1383] CALL LDV_INIT_LIST_HEAD(&kobj->entry) VAL [ldv_global_msg_list={-1:0}, list={1:4}] [L1099] list->next = list VAL [ldv_global_msg_list={-1:0}, list={1:4}, list={1:4}] [L1100] list->prev = list VAL [ldv_global_msg_list={-1:0}, list={1:4}, list={1:4}] [L1383] RET LDV_INIT_LIST_HEAD(&kobj->entry) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L1398] RET ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L1413] RET ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L1414] return kobj; VAL [\result={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L1437] RET, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-1:0}, ldv_kobject_create()={1:0}] [L1437] kobj = ldv_kobject_create() [L1442] RET entry_point() VAL [ldv_global_msg_list={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 316 locations, 71 error locations. UNSAFE Result, 39.8s OverallTime, 26 OverallIterations, 16 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1263 SDtfs, 198 SDslu, 7908 SDs, 0 SdLazy, 2002 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1093 GetRequests, 801 SyntacticMatches, 1 SemanticMatches, 291 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred 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: 0.1s AutomataMinimizationTime, 25 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 25.8s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 1989 NumberOfCodeBlocks, 1983 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 1882 ConstructedInterpolants, 4 QuantifiedInterpolants, 159563 SizeOfPredicates, 32 NumberOfNonLiveVariables, 4188 ConjunctsInSsa, 260 ConjunctsInUnsatCore, 40 InterpolantComputations, 12 PerfectInterpolantSequences, 49/1396 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:08:44,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:08:44,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:08:44,570 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:08:44,570 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:08:44,571 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:08:44,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:08:44,574 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:08:44,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:08:44,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:08:44,578 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:08:44,578 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:08:44,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:08:44,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:08:44,582 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:08:44,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:08:44,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:08:44,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:08:44,589 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:08:44,591 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:08:44,592 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:08:44,593 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:08:44,595 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:08:44,595 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:08:44,595 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:08:44,596 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:08:44,597 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:08:44,598 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:08:44,599 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:08:44,600 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:08:44,600 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:08:44,601 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:08:44,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:08:44,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:08:44,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:08:44,603 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:08:44,604 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-13 23:08:44,619 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:08:44,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:08:44,620 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:08:44,620 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:08:44,620 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:08:44,621 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:08:44,622 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:08:44,622 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:08:44,622 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:08:44,622 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:08:44,622 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:08:44,622 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:08:44,623 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:08:44,623 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:08:44,623 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:08:44,623 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-13 23:08:44,623 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-13 23:08:44,623 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:08:44,624 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:08:44,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:08:44,625 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:08:44,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:08:44,626 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:08:44,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:08:44,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:08:44,626 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:08:44,627 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-13 23:08:44,628 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:08:44,628 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-13 23:08:44,628 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 [2019-01-13 23:08:44,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:08:44,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:08:44,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:08:44,709 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:08:44,711 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:08:44,711 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2019-01-13 23:08:44,771 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b871f70f8/a5f5ad1f6c9e4393b7cd8131c6040ad1/FLAG789f990b7 [2019-01-13 23:08:45,296 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:08:45,297 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2019-01-13 23:08:45,322 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b871f70f8/a5f5ad1f6c9e4393b7cd8131c6040ad1/FLAG789f990b7 [2019-01-13 23:08:45,559 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b871f70f8/a5f5ad1f6c9e4393b7cd8131c6040ad1 [2019-01-13 23:08:45,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:08:45,563 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:08:45,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:08:45,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:08:45,568 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:08:45,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:08:45" (1/1) ... [2019-01-13 23:08:45,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e32178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:45, skipping insertion in model container [2019-01-13 23:08:45,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:08:45" (1/1) ... [2019-01-13 23:08:45,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:08:45,632 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:08:46,083 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:08:46,135 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:08:46,311 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:08:46,413 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:08:46,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:46 WrapperNode [2019-01-13 23:08:46,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:08:46,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:08:46,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:08:46,414 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:08:46,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:46" (1/1) ... [2019-01-13 23:08:46,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:46" (1/1) ... [2019-01-13 23:08:46,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:46" (1/1) ... [2019-01-13 23:08:46,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:46" (1/1) ... [2019-01-13 23:08:46,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:46" (1/1) ... [2019-01-13 23:08:46,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:46" (1/1) ... [2019-01-13 23:08:46,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:46" (1/1) ... [2019-01-13 23:08:46,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:08:46,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:08:46,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:08:46,516 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:08:46,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:08:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:08:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:08:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:08:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:08:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:08:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:08:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:08:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:08:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:08:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:08:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:08:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:08:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:08:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:08:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:08:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:08:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:08:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:08:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:08:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:08:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:08:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:08:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:08:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:08:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:08:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:08:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:08:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:08:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:08:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:08:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:08:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:08:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:08:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:08:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:08:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:08:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:08:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:08:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:08:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:08:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:08:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:08:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:08:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:08:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:08:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:08:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:08:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:08:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:08:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:08:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:08:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:08:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:08:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:08:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:08:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:08:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:08:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:08:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:08:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:08:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:08:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:08:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:08:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:08:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:08:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:08:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:08:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:08:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:08:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:08:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:08:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:08:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:08:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:08:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:08:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:08:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:08:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:08:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:08:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:08:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:08:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:08:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:08:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:08:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:08:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:08:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:08:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:08:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:08:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:08:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:08:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:08:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:08:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:08:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:08:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:08:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:08:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:08:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:08:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:08:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:08:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:08:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:08:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:08:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:08:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:08:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:08:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:08:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:08:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:08:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:08:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:08:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:08:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:08:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:08:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:08:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:08:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:08:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:08:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:08:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:08:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:08:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:08:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:08:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:08:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:08:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:08:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:08:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:08:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:08:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:08:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:08:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:08:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:08:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:08:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:08:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:08:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:08:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:08:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:08:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:08:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:08:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:08:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:08:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:08:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:08:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:08:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:08:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:08:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:08:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:08:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:08:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:08:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:08:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:08:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:08:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:08:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:08:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:08:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:08:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:08:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-13 23:08:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-13 23:08:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:08:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:08:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:08:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:08:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:08:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:08:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:08:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:08:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:08:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:08:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:08:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:08:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:08:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:08:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:08:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:08:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:08:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:08:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:08:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:08:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:08:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:08:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:08:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:08:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-13 23:08:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-13 23:08:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:08:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:08:47,436 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:08:48,331 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:08:49,153 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:08:49,154 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:08:49,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:08:49 BoogieIcfgContainer [2019-01-13 23:08:49,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:08:49,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:08:49,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:08:49,161 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:08:49,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:08:45" (1/3) ... [2019-01-13 23:08:49,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad6f052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:08:49, skipping insertion in model container [2019-01-13 23:08:49,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:08:46" (2/3) ... [2019-01-13 23:08:49,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad6f052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:08:49, skipping insertion in model container [2019-01-13 23:08:49,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:08:49" (3/3) ... [2019-01-13 23:08:49,168 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2_false-valid-memtrack_true-termination.i [2019-01-13 23:08:49,182 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:08:49,191 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-01-13 23:08:49,209 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-01-13 23:08:49,235 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:08:49,236 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:08:49,237 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:08:49,237 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:08:49,237 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:08:49,237 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:08:49,237 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:08:49,238 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:08:49,238 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:08:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2019-01-13 23:08:49,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:08:49,269 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:49,270 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:49,274 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:49,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:49,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1558980353, now seen corresponding path program 1 times [2019-01-13 23:08:49,288 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:49,289 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-13 23:08:49,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:49,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:49,597 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 23:08:49,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:49,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:08:49,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:08:49,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:08:49,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:49,631 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 5 states. [2019-01-13 23:08:49,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:49,755 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2019-01-13 23:08:49,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:08:49,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-13 23:08:49,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:49,774 INFO L225 Difference]: With dead ends: 69 [2019-01-13 23:08:49,775 INFO L226 Difference]: Without dead ends: 66 [2019-01-13 23:08:49,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:49,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-01-13 23:08:49,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2019-01-13 23:08:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-13 23:08:49,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2019-01-13 23:08:49,821 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 17 [2019-01-13 23:08:49,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:49,822 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2019-01-13 23:08:49,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:08:49,822 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2019-01-13 23:08:49,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:08:49,824 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:49,825 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:49,825 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:49,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:49,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1587609504, now seen corresponding path program 1 times [2019-01-13 23:08:49,828 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:49,829 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:08:49,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:49,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:50,011 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 6 treesize of output 5 [2019-01-13 23:08:50,014 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:08:50,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:08:50,041 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:08:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:50,198 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:08:50,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:50,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:08:50,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:08:50,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:08:50,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:50,205 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 5 states. [2019-01-13 23:08:50,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:50,637 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2019-01-13 23:08:50,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:08:50,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-13 23:08:50,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:50,641 INFO L225 Difference]: With dead ends: 65 [2019-01-13 23:08:50,641 INFO L226 Difference]: Without dead ends: 65 [2019-01-13 23:08:50,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:50,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-01-13 23:08:50,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2019-01-13 23:08:50,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-01-13 23:08:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2019-01-13 23:08:50,653 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 17 [2019-01-13 23:08:50,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:50,654 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2019-01-13 23:08:50,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:08:50,654 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2019-01-13 23:08:50,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:08:50,655 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:50,655 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:50,656 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:50,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:50,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1587609503, now seen corresponding path program 1 times [2019-01-13 23:08:50,657 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:50,657 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:08:50,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:50,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:50,838 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 6 treesize of output 5 [2019-01-13 23:08:50,838 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:08:50,904 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:08:50,904 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:08:51,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:51,172 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:08:51,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:51,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:08:51,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:08:51,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:08:51,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:08:51,177 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 6 states. [2019-01-13 23:08:51,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:51,472 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2019-01-13 23:08:51,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:08:51,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-01-13 23:08:51,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:51,475 INFO L225 Difference]: With dead ends: 64 [2019-01-13 23:08:51,475 INFO L226 Difference]: Without dead ends: 64 [2019-01-13 23:08:51,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:08:51,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-13 23:08:51,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2019-01-13 23:08:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-13 23:08:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2019-01-13 23:08:51,483 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 17 [2019-01-13 23:08:51,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:51,484 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2019-01-13 23:08:51,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:08:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2019-01-13 23:08:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:08:51,486 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:51,486 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:51,488 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:51,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:51,488 INFO L82 PathProgramCache]: Analyzing trace with hash -2058380963, now seen corresponding path program 1 times [2019-01-13 23:08:51,489 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:51,489 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:08:51,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:51,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:51,582 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:08:51,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:51,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 23:08:51,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 23:08:51,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 23:08:51,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:08:51,592 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 3 states. [2019-01-13 23:08:51,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:51,817 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2019-01-13 23:08:51,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 23:08:51,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-01-13 23:08:51,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:51,819 INFO L225 Difference]: With dead ends: 68 [2019-01-13 23:08:51,820 INFO L226 Difference]: Without dead ends: 58 [2019-01-13 23:08:51,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:08:51,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-13 23:08:51,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-01-13 23:08:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-13 23:08:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2019-01-13 23:08:51,828 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 22 [2019-01-13 23:08:51,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:51,829 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2019-01-13 23:08:51,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 23:08:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2019-01-13 23:08:51,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:08:51,831 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:51,831 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:51,832 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:51,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:51,833 INFO L82 PathProgramCache]: Analyzing trace with hash -261429604, now seen corresponding path program 1 times [2019-01-13 23:08:51,833 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:51,833 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:08:51,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:51,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:51,945 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:08:51,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:51,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:08:51,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:08:51,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:08:51,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:51,947 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand 5 states. [2019-01-13 23:08:51,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:51,972 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2019-01-13 23:08:51,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:08:51,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-13 23:08:51,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:51,974 INFO L225 Difference]: With dead ends: 58 [2019-01-13 23:08:51,975 INFO L226 Difference]: Without dead ends: 58 [2019-01-13 23:08:51,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:51,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-13 23:08:51,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-01-13 23:08:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-13 23:08:51,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2019-01-13 23:08:51,982 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 22 [2019-01-13 23:08:51,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:51,982 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2019-01-13 23:08:51,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:08:51,984 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2019-01-13 23:08:51,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 23:08:51,985 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:51,985 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:51,986 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:51,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:51,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2106560795, now seen corresponding path program 1 times [2019-01-13 23:08:51,986 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:51,986 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:08:52,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:52,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:52,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:52,168 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:08:52,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:52,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:08:52,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:08:52,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:08:52,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:08:52,174 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 4 states. [2019-01-13 23:08:52,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:52,234 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2019-01-13 23:08:52,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 23:08:52,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-01-13 23:08:52,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:52,239 INFO L225 Difference]: With dead ends: 61 [2019-01-13 23:08:52,239 INFO L226 Difference]: Without dead ends: 59 [2019-01-13 23:08:52,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:08:52,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-01-13 23:08:52,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-01-13 23:08:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-13 23:08:52,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2019-01-13 23:08:52,245 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 32 [2019-01-13 23:08:52,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:52,246 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2019-01-13 23:08:52,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:08:52,246 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2019-01-13 23:08:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-13 23:08:52,247 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:52,247 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:52,249 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:52,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:52,250 INFO L82 PathProgramCache]: Analyzing trace with hash 406950033, now seen corresponding path program 1 times [2019-01-13 23:08:52,250 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:52,250 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:08:52,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:08:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:52,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:52,414 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:08:52,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:52,560 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:52,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-01-13 23:08:52,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:08:52,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:08:52,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:08:52,562 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 8 states. [2019-01-13 23:08:52,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:52,729 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2019-01-13 23:08:52,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:08:52,732 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-01-13 23:08:52,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:52,734 INFO L225 Difference]: With dead ends: 66 [2019-01-13 23:08:52,734 INFO L226 Difference]: Without dead ends: 62 [2019-01-13 23:08:52,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:08:52,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-13 23:08:52,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-01-13 23:08:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-13 23:08:52,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2019-01-13 23:08:52,741 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 33 [2019-01-13 23:08:52,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:52,741 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2019-01-13 23:08:52,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:08:52,741 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2019-01-13 23:08:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-01-13 23:08:52,743 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:52,744 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:52,744 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:52,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:52,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1714504037, now seen corresponding path program 2 times [2019-01-13 23:08:52,747 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:52,747 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:08:52,775 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2019-01-13 23:08:52,884 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-01-13 23:08:52,885 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:52,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:52,899 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 6 treesize of output 5 [2019-01-13 23:08:52,899 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:08:52,904 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:08:52,904 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:08:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-01-13 23:08:53,200 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:08:53,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:53,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-01-13 23:08:53,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-13 23:08:53,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-13 23:08:53,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:08:53,206 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 13 states. [2019-01-13 23:08:54,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:54,407 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2019-01-13 23:08:54,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 23:08:54,408 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2019-01-13 23:08:54,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:54,410 INFO L225 Difference]: With dead ends: 61 [2019-01-13 23:08:54,410 INFO L226 Difference]: Without dead ends: 61 [2019-01-13 23:08:54,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-01-13 23:08:54,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-13 23:08:54,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-01-13 23:08:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-13 23:08:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2019-01-13 23:08:54,417 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 36 [2019-01-13 23:08:54,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:54,417 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2019-01-13 23:08:54,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-13 23:08:54,418 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2019-01-13 23:08:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-01-13 23:08:54,420 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:54,420 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:54,421 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:54,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:54,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1714504036, now seen corresponding path program 1 times [2019-01-13 23:08:54,422 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:54,422 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:08:54,441 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:54,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:54,666 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:54,666 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:08:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:54,897 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:54,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2019-01-13 23:08:54,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-13 23:08:54,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-13 23:08:54,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2019-01-13 23:08:54,899 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 14 states. [2019-01-13 23:08:55,337 WARN L181 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 12 [2019-01-13 23:08:55,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:55,694 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2019-01-13 23:08:55,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-13 23:08:55,696 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 36 [2019-01-13 23:08:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:55,696 INFO L225 Difference]: With dead ends: 71 [2019-01-13 23:08:55,696 INFO L226 Difference]: Without dead ends: 67 [2019-01-13 23:08:55,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2019-01-13 23:08:55,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-01-13 23:08:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-01-13 23:08:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-01-13 23:08:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2019-01-13 23:08:55,704 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 36 [2019-01-13 23:08:55,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:55,705 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2019-01-13 23:08:55,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-13 23:08:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2019-01-13 23:08:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-01-13 23:08:55,707 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:55,707 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:55,707 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:55,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:55,708 INFO L82 PathProgramCache]: Analyzing trace with hash 2038455004, now seen corresponding path program 2 times [2019-01-13 23:08:55,708 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:55,708 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:08:55,728 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2019-01-13 23:08:55,821 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-01-13 23:08:55,821 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:55,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:55,855 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 6 treesize of output 5 [2019-01-13 23:08:55,855 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:08:55,864 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:08:55,864 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:08:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-01-13 23:08:56,136 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:08:56,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:56,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-01-13 23:08:56,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-13 23:08:56,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-13 23:08:56,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:08:56,152 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand 13 states. [2019-01-13 23:08:56,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:56,972 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2019-01-13 23:08:56,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 23:08:56,974 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2019-01-13 23:08:56,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:56,975 INFO L225 Difference]: With dead ends: 66 [2019-01-13 23:08:56,976 INFO L226 Difference]: Without dead ends: 66 [2019-01-13 23:08:56,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2019-01-13 23:08:56,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-01-13 23:08:56,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-01-13 23:08:56,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-01-13 23:08:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2019-01-13 23:08:56,981 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 42 [2019-01-13 23:08:56,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:56,981 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2019-01-13 23:08:56,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-13 23:08:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2019-01-13 23:08:56,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-01-13 23:08:56,982 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:56,983 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:56,983 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:56,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:56,983 INFO L82 PathProgramCache]: Analyzing trace with hash -2119404269, now seen corresponding path program 1 times [2019-01-13 23:08:56,984 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:56,984 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:08:57,005 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:08:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:08:57,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:57,319 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:08:57,538 WARN L181 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-01-13 23:08:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:08:58,098 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:08:58,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2019-01-13 23:08:58,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-01-13 23:08:58,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-01-13 23:08:58,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2019-01-13 23:08:58,100 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand 26 states. [2019-01-13 23:08:59,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:08:59,400 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2019-01-13 23:08:59,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-01-13 23:08:59,404 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 47 [2019-01-13 23:08:59,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:08:59,405 INFO L225 Difference]: With dead ends: 76 [2019-01-13 23:08:59,405 INFO L226 Difference]: Without dead ends: 72 [2019-01-13 23:08:59,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=278, Invalid=652, Unknown=0, NotChecked=0, Total=930 [2019-01-13 23:08:59,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-01-13 23:08:59,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2019-01-13 23:08:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-01-13 23:08:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2019-01-13 23:08:59,419 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 47 [2019-01-13 23:08:59,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:08:59,419 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2019-01-13 23:08:59,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-01-13 23:08:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2019-01-13 23:08:59,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-01-13 23:08:59,425 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:08:59,426 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:08:59,426 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:08:59,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:08:59,426 INFO L82 PathProgramCache]: Analyzing trace with hash -963989293, now seen corresponding path program 2 times [2019-01-13 23:08:59,429 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:08:59,429 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:08:59,453 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2019-01-13 23:08:59,579 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-01-13 23:08:59,579 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 23:08:59,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:08:59,590 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 6 treesize of output 5 [2019-01-13 23:08:59,590 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:08:59,592 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:08:59,592 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:08:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-01-13 23:08:59,814 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:08:59,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:08:59,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-01-13 23:08:59,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-13 23:08:59,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-13 23:08:59,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:08:59,817 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 13 states. [2019-01-13 23:09:00,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:00,701 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2019-01-13 23:09:00,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 23:09:00,706 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2019-01-13 23:09:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:00,707 INFO L225 Difference]: With dead ends: 70 [2019-01-13 23:09:00,707 INFO L226 Difference]: Without dead ends: 70 [2019-01-13 23:09:00,707 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-01-13 23:09:00,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-01-13 23:09:00,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-01-13 23:09:00,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-01-13 23:09:00,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2019-01-13 23:09:00,713 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 53 [2019-01-13 23:09:00,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:00,714 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2019-01-13 23:09:00,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-13 23:09:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2019-01-13 23:09:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-01-13 23:09:00,715 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:00,715 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:00,717 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:09:00,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:00,717 INFO L82 PathProgramCache]: Analyzing trace with hash -963989292, now seen corresponding path program 1 times [2019-01-13 23:09:00,718 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:00,718 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:09:00,749 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 23:09:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:01,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:01,049 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 6 treesize of output 5 [2019-01-13 23:09:01,049 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:01,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:09:01,064 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:09:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-01-13 23:09:01,386 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:01,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:01,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-01-13 23:09:01,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-13 23:09:01,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-13 23:09:01,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:09:01,390 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand 13 states. [2019-01-13 23:09:02,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:02,133 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2019-01-13 23:09:02,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 23:09:02,134 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2019-01-13 23:09:02,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:02,135 INFO L225 Difference]: With dead ends: 68 [2019-01-13 23:09:02,135 INFO L226 Difference]: Without dead ends: 68 [2019-01-13 23:09:02,136 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2019-01-13 23:09:02,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-13 23:09:02,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-01-13 23:09:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-13 23:09:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2019-01-13 23:09:02,142 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 53 [2019-01-13 23:09:02,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:02,142 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2019-01-13 23:09:02,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-13 23:09:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2019-01-13 23:09:02,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-13 23:09:02,144 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:02,144 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:02,145 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:09:02,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:02,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1780570380, now seen corresponding path program 1 times [2019-01-13 23:09:02,146 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:02,146 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:09:02,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:02,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:02,366 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-01-13 23:09:02,366 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (15)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 23:09:02,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:02,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:09:02,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:09:02,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:09:02,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:09:02,369 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand 7 states. [2019-01-13 23:09:02,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:02,441 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2019-01-13 23:09:02,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:09:02,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-01-13 23:09:02,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:02,446 INFO L225 Difference]: With dead ends: 70 [2019-01-13 23:09:02,446 INFO L226 Difference]: Without dead ends: 68 [2019-01-13 23:09:02,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:09:02,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-13 23:09:02,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-01-13 23:09:02,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-13 23:09:02,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2019-01-13 23:09:02,450 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 51 [2019-01-13 23:09:02,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:02,451 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2019-01-13 23:09:02,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:09:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2019-01-13 23:09:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-13 23:09:02,452 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:02,453 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:02,453 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:09:02,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:02,453 INFO L82 PathProgramCache]: Analyzing trace with hash 64389370, now seen corresponding path program 1 times [2019-01-13 23:09:02,457 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:02,457 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:09:02,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:02,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-01-13 23:09:02,641 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:02,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:02,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-13 23:09:02,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:09:02,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:09:02,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:09:02,644 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 9 states. [2019-01-13 23:09:02,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:02,803 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2019-01-13 23:09:02,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:09:02,804 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-01-13 23:09:02,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:02,806 INFO L225 Difference]: With dead ends: 72 [2019-01-13 23:09:02,806 INFO L226 Difference]: Without dead ends: 68 [2019-01-13 23:09:02,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:09:02,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-13 23:09:02,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-01-13 23:09:02,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-13 23:09:02,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2019-01-13 23:09:02,810 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 56 [2019-01-13 23:09:02,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:02,810 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2019-01-13 23:09:02,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:09:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2019-01-13 23:09:02,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-01-13 23:09:02,819 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:02,819 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:02,819 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:09:02,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:02,820 INFO L82 PathProgramCache]: Analyzing trace with hash -669013230, now seen corresponding path program 1 times [2019-01-13 23:09:02,820 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:02,820 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:09:02,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:09:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:09:12,199 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:09:12,246 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2019-01-13 23:09:12,258 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:09:12,268 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:09:12,270 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:09:12,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:09:12 BoogieIcfgContainer [2019-01-13 23:09:12,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:09:12,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:09:12,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:09:12,288 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:09:12,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:08:49" (3/4) ... [2019-01-13 23:09:12,292 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:09:12,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:09:12,293 INFO L168 Benchmark]: Toolchain (without parser) took 26730.25 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 254.3 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -263.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:09:12,294 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:09:12,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 849.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.0 MB). Free memory was 943.3 MB in the beginning and 1.2 GB in the end (delta: -267.4 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:12,295 INFO L168 Benchmark]: Boogie Preprocessor took 100.97 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:12,297 INFO L168 Benchmark]: RCFGBuilder took 2640.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:12,298 INFO L168 Benchmark]: TraceAbstraction took 23129.98 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 17.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:09:12,299 INFO L168 Benchmark]: Witness Printer took 4.46 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:09:12,303 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 849.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.0 MB). Free memory was 943.3 MB in the beginning and 1.2 GB in the end (delta: -267.4 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 100.97 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2640.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23129.98 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 17.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.46 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1441]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1441. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2078209953:0}] [L1442] CALL entry_point() VAL [ldv_global_msg_list={-2078209953:0}] [L1436] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-2078209953:0}] [L1437] CALL, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-2078209953:0}] [L1406] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-2078209953:0}] [L1408] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16, ldv_global_msg_list={-2078209953:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=16, \result={-1004468158:0}, ldv_global_msg_list={-2078209953:0}, malloc(size)={-1004468158:0}, size=16] [L1408] RET, EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_global_msg_list={-2078209953:0}, ldv_malloc(sizeof(*kobj))={-1004468158:0}] [L1408] kobj = ldv_malloc(sizeof(*kobj)) [L1409] COND FALSE !(!kobj) VAL [kobj={-1004468158:0}, ldv_global_msg_list={-2078209953:0}] [L1411] FCALL memset(kobj, 0, sizeof(*kobj)) VAL [kobj={-1004468158:0}, ldv_global_msg_list={-2078209953:0}, memset(kobj, 0, sizeof(*kobj))={-1004468158:0}] [L1413] CALL ldv_kobject_init(kobj) VAL [kobj={-1004468158:0}, ldv_global_msg_list={-2078209953:0}] [L1394] COND FALSE !(!kobj) VAL [kobj={-1004468158:0}, kobj={-1004468158:0}, ldv_global_msg_list={-2078209953:0}] [L1398] CALL ldv_kobject_init_internal(kobj) VAL [kobj={-1004468158:0}, ldv_global_msg_list={-2078209953:0}] [L1380] COND FALSE !(!kobj) VAL [kobj={-1004468158:0}, kobj={-1004468158:0}, ldv_global_msg_list={-2078209953:0}] [L1382] CALL ldv_kref_init(&kobj->kref) VAL [kref={-1004468158:12}, ldv_global_msg_list={-2078209953:0}] [L1294] ((&kref->refcount)->counter) = (1) VAL [kref={-1004468158:12}, kref={-1004468158:12}, ldv_global_msg_list={-2078209953:0}] [L1382] RET ldv_kref_init(&kobj->kref) VAL [kobj={-1004468158:0}, kobj={-1004468158:0}, ldv_global_msg_list={-2078209953:0}] [L1383] CALL LDV_INIT_LIST_HEAD(&kobj->entry) VAL [ldv_global_msg_list={-2078209953:0}, list={-1004468158:4}] [L1099] list->next = list VAL [ldv_global_msg_list={-2078209953:0}, list={-1004468158:4}, list={-1004468158:4}] [L1100] list->prev = list VAL [ldv_global_msg_list={-2078209953:0}, list={-1004468158:4}, list={-1004468158:4}] [L1383] RET LDV_INIT_LIST_HEAD(&kobj->entry) VAL [kobj={-1004468158:0}, kobj={-1004468158:0}, ldv_global_msg_list={-2078209953:0}] [L1398] RET ldv_kobject_init_internal(kobj) VAL [kobj={-1004468158:0}, kobj={-1004468158:0}, ldv_global_msg_list={-2078209953:0}] [L1413] RET ldv_kobject_init(kobj) VAL [kobj={-1004468158:0}, ldv_global_msg_list={-2078209953:0}] [L1414] return kobj; VAL [\result={-1004468158:0}, kobj={-1004468158:0}, ldv_global_msg_list={-2078209953:0}] [L1437] RET, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-2078209953:0}, ldv_kobject_create()={-1004468158:0}] [L1437] kobj = ldv_kobject_create() [L1442] RET entry_point() VAL [ldv_global_msg_list={-2078209953:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 318 locations, 71 error locations. UNSAFE Result, 23.0s OverallTime, 16 OverallIterations, 16 TraceHistogramMax, 7.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 748 SDtfs, 299 SDslu, 3297 SDs, 0 SdLazy, 1871 SolverSat, 149 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 510 SyntacticMatches, 11 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred 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: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 5.6s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 601 NumberOfCodeBlocks, 571 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 632 ConstructedInterpolants, 46 QuantifiedInterpolants, 78496 SizeOfPredicates, 42 NumberOfNonLiveVariables, 2240 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 609/741 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...