./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_3_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_test6_3_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 db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_test6_3_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 db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:09:31,499 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:09:31,500 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:09:31,512 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:09:31,512 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:09:31,513 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:09:31,515 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:09:31,517 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:09:31,518 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:09:31,519 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:09:31,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:09:31,521 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:09:31,522 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:09:31,523 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:09:31,525 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:09:31,526 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:09:31,527 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:09:31,529 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:09:31,536 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:09:31,538 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:09:31,539 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:09:31,545 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:09:31,550 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:09:31,552 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:09:31,552 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:09:31,553 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:09:31,556 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:09:31,559 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:09:31,561 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:09:31,565 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:09:31,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:09:31,567 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:09:31,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:09:31,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:09:31,570 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:09:31,571 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:09:31,571 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 23:09:31,597 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:09:31,597 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:09:31,599 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:09:31,599 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:09:31,600 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:09:31,603 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:09:31,603 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:09:31,604 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:09:31,604 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:09:31,604 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:09:31,604 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:09:31,604 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:09:31,604 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:09:31,605 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:09:31,605 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:09:31,605 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:09:31,605 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:09:31,606 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:09:31,606 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:09:31,606 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:09:31,606 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:09:31,606 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:09:31,608 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:09:31,608 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:09:31,608 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 23:09:31,608 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:09:31,609 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 -> db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 [2019-01-13 23:09:31,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:09:31,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:09:31,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:09:31,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:09:31,681 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:09:31,682 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2019-01-13 23:09:31,738 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923a89f68/9b34eaecc50f41149e1442b98cc9a1fd/FLAGa07527053 [2019-01-13 23:09:32,216 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:09:32,216 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2019-01-13 23:09:32,233 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923a89f68/9b34eaecc50f41149e1442b98cc9a1fd/FLAGa07527053 [2019-01-13 23:09:32,534 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923a89f68/9b34eaecc50f41149e1442b98cc9a1fd [2019-01-13 23:09:32,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:09:32,538 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:09:32,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:09:32,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:09:32,543 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:09:32,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:09:32" (1/1) ... [2019-01-13 23:09:32,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9334c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:32, skipping insertion in model container [2019-01-13 23:09:32,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:09:32" (1/1) ... [2019-01-13 23:09:32,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:09:32,613 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:09:33,175 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:09:33,212 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:09:33,371 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:09:33,482 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:09:33,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:33 WrapperNode [2019-01-13 23:09:33,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:09:33,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:09:33,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:09:33,484 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:09:33,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:33" (1/1) ... [2019-01-13 23:09:33,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:33" (1/1) ... [2019-01-13 23:09:33,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:33" (1/1) ... [2019-01-13 23:09:33,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:33" (1/1) ... [2019-01-13 23:09:33,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:33" (1/1) ... [2019-01-13 23:09:33,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:33" (1/1) ... [2019-01-13 23:09:33,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:33" (1/1) ... [2019-01-13 23:09:33,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:09:33,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:09:33,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:09:33,598 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:09:33,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:33" (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 23:09:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:09:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:09:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:09:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:09:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:09:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:09:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:09:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:09:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:09:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:09:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:09:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:09:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:09:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:09:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:09:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:09:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:09:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:09:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:09:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:09:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:09:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:09:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:09:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:09:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:09:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:09:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:09:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:09:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:09:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:09:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:09:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:09:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:09:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:09:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:09:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:09:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:09:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:09:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-13 23:09:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-13 23:09:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-01-13 23:09:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-01-13 23:09:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:09:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:09:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:09:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:09:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:09:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:09:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:09:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:09:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:09:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:09:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:09:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:09:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:09:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:09:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:09:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:09:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:09:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:09:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:09:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:09:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:09:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:09:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:09:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:09:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:09:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:09:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:09:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:09:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:09:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:09:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:09:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:09:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:09:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:09:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:09:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:09:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:09:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:09:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:09:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:09:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:09:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:09:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:09:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:09:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:09:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:09:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:09:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:09:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:09:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:09:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:09:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:09:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:09:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:09:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:09:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:09:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:09:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:09:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:09:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:09:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:09:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:09:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:09:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:09:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:09:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:09:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:09:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:09:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:09:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:09:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:09:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:09:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:09:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:09:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:09:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:09:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:09:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:09:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:09:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:09:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:09:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:09:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:09:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:09:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:09:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:09:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:09:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:09:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:09:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:09:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:09:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:09:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:09:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:09:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:09:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:09:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:09:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:09:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:09:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:09:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:09:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:09:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:09:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:09:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:09:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:09:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:09:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:09:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:09:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:09:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:09:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:09:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:09:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:09:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:09:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:09:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:09:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:09:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:09:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:09:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:09:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:09:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:09:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:09:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:09:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:09:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:09:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:09:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:09:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:09:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:09:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:09:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:09:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:09:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:09:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:09:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 23:09:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 23:09:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:09:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:09:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:09:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:09:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:09:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:09:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:09:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:09:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:09:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:09:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:09:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:09:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:09:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:09:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:09:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:09:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:09:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-13 23:09:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-13 23:09:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-01-13 23:09:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-01-13 23:09:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:09:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:09:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:09:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:09:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:09:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:09:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-13 23:09:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-13 23:09:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:09:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:09:34,465 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:09:35,024 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:09:35,824 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:09:35,824 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:09:35,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:35 BoogieIcfgContainer [2019-01-13 23:09:35,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:09:35,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:09:35,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:09:35,830 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:09:35,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:09:32" (1/3) ... [2019-01-13 23:09:35,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6352146c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:09:35, skipping insertion in model container [2019-01-13 23:09:35,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:33" (2/3) ... [2019-01-13 23:09:35,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6352146c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:09:35, skipping insertion in model container [2019-01-13 23:09:35,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:35" (3/3) ... [2019-01-13 23:09:35,835 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_3_false-valid-memtrack_true-termination.i [2019-01-13 23:09:35,845 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:09:35,854 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 78 error locations. [2019-01-13 23:09:35,871 INFO L257 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2019-01-13 23:09:35,898 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:09:35,899 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:09:35,899 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:09:35,899 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:09:35,899 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:09:35,899 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:09:35,900 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:09:35,900 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:09:35,900 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:09:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2019-01-13 23:09:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:35,935 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:35,936 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] [2019-01-13 23:09:35,939 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:35,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:35,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1383722809, now seen corresponding path program 1 times [2019-01-13 23:09:35,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:35,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:36,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:36,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:36,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:36,360 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 23:09:36,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:36,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:36,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:36,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:36,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:36,386 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 5 states. [2019-01-13 23:09:36,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:36,649 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2019-01-13 23:09:36,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:36,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-01-13 23:09:36,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:36,662 INFO L225 Difference]: With dead ends: 76 [2019-01-13 23:09:36,662 INFO L226 Difference]: Without dead ends: 73 [2019-01-13 23:09:36,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 23:09:36,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-01-13 23:09:36,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 56. [2019-01-13 23:09:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-01-13 23:09:36,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2019-01-13 23:09:36,712 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 20 [2019-01-13 23:09:36,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:36,712 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2019-01-13 23:09:36,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:36,713 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2019-01-13 23:09:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:36,714 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:36,714 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] [2019-01-13 23:09:36,715 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:36,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:36,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1580236314, now seen corresponding path program 1 times [2019-01-13 23:09:36,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:36,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:36,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:36,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:36,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:36,836 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 23:09:36,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:36,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 23:09:36,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:09:36,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:09:36,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:09:36,840 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 4 states. [2019-01-13 23:09:37,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:37,229 INFO L93 Difference]: Finished difference Result 92 states and 102 transitions. [2019-01-13 23:09:37,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:37,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-13 23:09:37,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:37,232 INFO L225 Difference]: With dead ends: 92 [2019-01-13 23:09:37,232 INFO L226 Difference]: Without dead ends: 89 [2019-01-13 23:09:37,233 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 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 23:09:37,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-01-13 23:09:37,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2019-01-13 23:09:37,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-13 23:09:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 93 transitions. [2019-01-13 23:09:37,249 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 93 transitions. Word has length 20 [2019-01-13 23:09:37,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:37,249 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 93 transitions. [2019-01-13 23:09:37,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:09:37,249 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2019-01-13 23:09:37,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:37,252 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:37,252 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] [2019-01-13 23:09:37,253 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:37,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:37,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1580236313, now seen corresponding path program 1 times [2019-01-13 23:09:37,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:37,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:37,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:37,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:37,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:37,378 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 23:09:37,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:37,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 23:09:37,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:09:37,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:09:37,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:09:37,381 INFO L87 Difference]: Start difference. First operand 79 states and 93 transitions. Second operand 4 states. [2019-01-13 23:09:37,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:37,719 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions. [2019-01-13 23:09:37,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:37,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-13 23:09:37,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:37,723 INFO L225 Difference]: With dead ends: 110 [2019-01-13 23:09:37,723 INFO L226 Difference]: Without dead ends: 100 [2019-01-13 23:09:37,724 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 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 23:09:37,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-01-13 23:09:37,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2019-01-13 23:09:37,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-01-13 23:09:37,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-01-13 23:09:37,737 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 20 [2019-01-13 23:09:37,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:37,737 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-01-13 23:09:37,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:09:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-01-13 23:09:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:09:37,738 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:37,738 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] [2019-01-13 23:09:37,741 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:37,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:37,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1346534923, now seen corresponding path program 1 times [2019-01-13 23:09:37,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:37,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:37,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:37,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:37,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:37,825 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 23:09:37,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:37,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:09:37,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:37,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:37,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:37,826 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 5 states. [2019-01-13 23:09:37,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:37,863 INFO L93 Difference]: Finished difference Result 89 states and 101 transitions. [2019-01-13 23:09:37,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:37,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-13 23:09:37,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:37,865 INFO L225 Difference]: With dead ends: 89 [2019-01-13 23:09:37,865 INFO L226 Difference]: Without dead ends: 89 [2019-01-13 23:09:37,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 23:09:37,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-01-13 23:09:37,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-01-13 23:09:37,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-01-13 23:09:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 101 transitions. [2019-01-13 23:09:37,874 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 101 transitions. Word has length 22 [2019-01-13 23:09:37,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:37,875 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 101 transitions. [2019-01-13 23:09:37,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2019-01-13 23:09:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:09:37,876 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:37,876 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] [2019-01-13 23:09:37,877 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:37,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:37,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1207089919, now seen corresponding path program 1 times [2019-01-13 23:09:37,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:37,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:37,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:37,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:37,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:37,968 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 23:09:37,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:37,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:09:37,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:37,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:37,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:37,969 INFO L87 Difference]: Start difference. First operand 89 states and 101 transitions. Second operand 5 states. [2019-01-13 23:09:38,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:38,069 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2019-01-13 23:09:38,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:38,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:09:38,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:38,073 INFO L225 Difference]: With dead ends: 91 [2019-01-13 23:09:38,073 INFO L226 Difference]: Without dead ends: 91 [2019-01-13 23:09:38,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 23:09:38,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-01-13 23:09:38,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2019-01-13 23:09:38,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-01-13 23:09:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 100 transitions. [2019-01-13 23:09:38,082 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 100 transitions. Word has length 23 [2019-01-13 23:09:38,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:38,082 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 100 transitions. [2019-01-13 23:09:38,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2019-01-13 23:09:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:09:38,083 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:38,084 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] [2019-01-13 23:09:38,084 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:38,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:38,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1500492926, now seen corresponding path program 1 times [2019-01-13 23:09:38,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:38,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:38,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:38,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:38,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:38,214 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 23:09:38,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:38,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:38,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:38,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:38,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:38,215 INFO L87 Difference]: Start difference. First operand 89 states and 100 transitions. Second operand 5 states. [2019-01-13 23:09:38,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:38,256 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2019-01-13 23:09:38,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:38,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:09:38,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:38,263 INFO L225 Difference]: With dead ends: 63 [2019-01-13 23:09:38,263 INFO L226 Difference]: Without dead ends: 59 [2019-01-13 23:09:38,263 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 23:09:38,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-01-13 23:09:38,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-01-13 23:09:38,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-13 23:09:38,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2019-01-13 23:09:38,273 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 23 [2019-01-13 23:09:38,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:38,273 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2019-01-13 23:09:38,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:38,274 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2019-01-13 23:09:38,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:09:38,276 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:38,276 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] [2019-01-13 23:09:38,276 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:38,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:38,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1234918605, now seen corresponding path program 1 times [2019-01-13 23:09:38,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:38,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:38,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:38,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:38,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:38,492 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 23:09:38,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:38,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:09:38,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:38,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:38,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:38,494 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 5 states. [2019-01-13 23:09:38,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:38,559 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2019-01-13 23:09:38,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:38,560 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-13 23:09:38,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:38,562 INFO L225 Difference]: With dead ends: 58 [2019-01-13 23:09:38,562 INFO L226 Difference]: Without dead ends: 58 [2019-01-13 23:09:38,564 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 23:09:38,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-13 23:09:38,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-01-13 23:09:38,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-13 23:09:38,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2019-01-13 23:09:38,569 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 24 [2019-01-13 23:09:38,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:38,571 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2019-01-13 23:09:38,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:38,571 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2019-01-13 23:09:38,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:38,572 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:38,572 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] [2019-01-13 23:09:38,575 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:38,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:38,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1279578527, now seen corresponding path program 1 times [2019-01-13 23:09:38,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:38,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:38,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:38,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:38,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:38,764 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 23:09:38,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:38,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:09:38,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:09:38,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:09:38,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:09:38,765 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand 8 states. [2019-01-13 23:09:39,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:39,395 INFO L93 Difference]: Finished difference Result 62 states and 64 transitions. [2019-01-13 23:09:39,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:09:39,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-01-13 23:09:39,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:39,399 INFO L225 Difference]: With dead ends: 62 [2019-01-13 23:09:39,399 INFO L226 Difference]: Without dead ends: 62 [2019-01-13 23:09:39,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:09:39,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-13 23:09:39,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 57. [2019-01-13 23:09:39,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-13 23:09:39,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2019-01-13 23:09:39,404 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 28 [2019-01-13 23:09:39,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:39,404 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2019-01-13 23:09:39,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:09:39,405 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2019-01-13 23:09:39,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:39,406 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:39,406 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] [2019-01-13 23:09:39,406 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:39,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:39,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1279578526, now seen corresponding path program 1 times [2019-01-13 23:09:39,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:39,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:39,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:39,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:39,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:39,815 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 23:09:39,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:39,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:09:39,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:09:39,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:09:39,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:09:39,818 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 8 states. [2019-01-13 23:09:40,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:40,151 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-01-13 23:09:40,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:09:40,152 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-01-13 23:09:40,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:40,153 INFO L225 Difference]: With dead ends: 55 [2019-01-13 23:09:40,154 INFO L226 Difference]: Without dead ends: 55 [2019-01-13 23:09:40,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:09:40,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-13 23:09:40,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-01-13 23:09:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-01-13 23:09:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2019-01-13 23:09:40,160 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 28 [2019-01-13 23:09:40,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:40,160 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2019-01-13 23:09:40,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:09:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2019-01-13 23:09:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:09:40,161 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:40,162 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] [2019-01-13 23:09:40,162 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:40,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:40,162 INFO L82 PathProgramCache]: Analyzing trace with hash -209221835, now seen corresponding path program 1 times [2019-01-13 23:09:40,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:40,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:40,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:40,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:40,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:40,404 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 23:09:40,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:40,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:09:40,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:09:40,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:09:40,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:09:40,406 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 8 states. [2019-01-13 23:09:40,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:40,832 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2019-01-13 23:09:40,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:09:40,833 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-13 23:09:40,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:40,833 INFO L225 Difference]: With dead ends: 58 [2019-01-13 23:09:40,834 INFO L226 Difference]: Without dead ends: 58 [2019-01-13 23:09:40,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:09:40,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-13 23:09:40,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 45. [2019-01-13 23:09:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-01-13 23:09:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2019-01-13 23:09:40,838 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 29 [2019-01-13 23:09:40,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:40,839 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2019-01-13 23:09:40,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:09:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2019-01-13 23:09:40,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 23:09:40,840 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:40,840 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 23:09:40,840 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:40,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:40,841 INFO L82 PathProgramCache]: Analyzing trace with hash -929824960, now seen corresponding path program 1 times [2019-01-13 23:09:40,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:40,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:40,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:40,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:40,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:41,179 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 23:09:41,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:41,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:41,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:41,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:41,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:41,181 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 6 states. [2019-01-13 23:09:41,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:41,374 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-01-13 23:09:41,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:09:41,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-01-13 23:09:41,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:41,377 INFO L225 Difference]: With dead ends: 54 [2019-01-13 23:09:41,377 INFO L226 Difference]: Without dead ends: 42 [2019-01-13 23:09:41,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 2 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 23:09:41,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-01-13 23:09:41,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-01-13 23:09:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-13 23:09:41,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2019-01-13 23:09:41,381 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 32 [2019-01-13 23:09:41,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:41,381 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2019-01-13 23:09:41,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2019-01-13 23:09:41,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-01-13 23:09:41,382 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:41,382 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:41,383 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:41,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:41,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1327946340, now seen corresponding path program 1 times [2019-01-13 23:09:41,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:41,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:41,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:41,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:41,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:41,604 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 23:09:41,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:41,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:41,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:41,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:41,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:41,608 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 5 states. [2019-01-13 23:09:41,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:41,687 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-01-13 23:09:41,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:41,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-01-13 23:09:41,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:41,689 INFO L225 Difference]: With dead ends: 42 [2019-01-13 23:09:41,689 INFO L226 Difference]: Without dead ends: 42 [2019-01-13 23:09:41,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 23:09:41,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-01-13 23:09:41,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-01-13 23:09:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-13 23:09:41,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2019-01-13 23:09:41,701 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 37 [2019-01-13 23:09:41,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:41,702 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2019-01-13 23:09:41,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2019-01-13 23:09:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-13 23:09:41,711 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:41,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:41,713 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-13 23:09:41,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:41,713 INFO L82 PathProgramCache]: Analyzing trace with hash 2069070969, now seen corresponding path program 1 times [2019-01-13 23:09:41,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:41,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:41,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:41,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:41,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:09:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:09:41,815 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:09:41,836 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:09:41,844 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:09:41,844 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:09:41,844 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:09:41,845 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:09:41,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:09:41 BoogieIcfgContainer [2019-01-13 23:09:41,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:09:41,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:09:41,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:09:41,864 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:09:41,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:35" (3/4) ... [2019-01-13 23:09:41,872 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:09:41,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:09:41,873 INFO L168 Benchmark]: Toolchain (without parser) took 9335.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.6 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -96.8 MB). Peak memory consumption was 121.8 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:41,877 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 23:09:41,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 944.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:41,881 INFO L168 Benchmark]: Boogie Preprocessor took 114.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:09:41,882 INFO L168 Benchmark]: RCFGBuilder took 2227.59 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: 104.6 MB). Peak memory consumption was 104.6 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:41,884 INFO L168 Benchmark]: TraceAbstraction took 6036.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -30.6 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:41,886 INFO L168 Benchmark]: Witness Printer took 8.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:09:41,892 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 944.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 114.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2227.59 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: 104.6 MB). Peak memory consumption was 104.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6036.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -30.6 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Witness Printer took 8.15 ms. Allocated memory is still 1.2 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 ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 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 10 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: 1476]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1476. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1465] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={3:0}, ldv_global_msg_list={2:0}] [L1477] CALL entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1469] CALL, EXPR probe1_6(&a6) VAL [a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}] [L1443] int ret = - -3; VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={3:0}, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={5:0}, a6={3:0}, ldv_global_msg_list={2:0}, malloc(size)={5:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(int))={5:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=3] [L1447] CALL, EXPR f6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={3:0}, a={3:0}, a6={3:0}, f6()=7, ldv_global_msg_list={2:0}, p={5:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=7] [L1450] CALL, EXPR g6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={3:0}, a={3:0}, a6={3:0}, g6()=0, ldv_global_msg_list={2:0}, p={5:0}, ret=7] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=0] [L1453] a->p = p VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=0] [L1454] return 0; VAL [\result=0, a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=0] [L1469] RET, EXPR probe1_6(&a6) VAL [a6={3:0}, ldv_global_msg_list={2:0}, probe1_6(&a6)=0] [L1469] int ret = probe1_6(&a6); [L1470] COND TRUE ret==0 VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1471] FCALL disconnect_2_6(&a6) VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1473] a6.p = 0 VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1477] RET entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 351 locations, 78 error locations. UNSAFE Result, 5.9s OverallTime, 13 OverallIterations, 1 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 578 SDtfs, 522 SDslu, 1090 SDs, 0 SdLazy, 641 SolverSat, 188 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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, 12 MinimizatonAttempts, 57 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 347 NumberOfCodeBlocks, 347 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 43408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 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 23:09:44,349 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:09:44,351 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:09:44,369 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:09:44,370 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:09:44,372 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:09:44,374 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:09:44,376 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:09:44,380 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:09:44,380 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:09:44,381 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:09:44,383 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:09:44,384 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:09:44,387 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:09:44,394 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:09:44,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:09:44,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:09:44,400 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:09:44,402 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:09:44,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:09:44,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:09:44,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:09:44,408 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:09:44,408 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:09:44,408 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:09:44,409 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:09:44,410 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:09:44,410 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:09:44,412 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:09:44,413 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:09:44,413 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:09:44,414 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:09:44,414 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:09:44,414 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:09:44,416 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:09:44,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:09:44,416 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-13 23:09:44,437 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:09:44,438 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:09:44,439 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:09:44,439 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:09:44,439 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:09:44,439 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:09:44,439 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:09:44,440 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:09:44,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:09:44,441 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:09:44,441 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:09:44,441 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:09:44,441 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:09:44,441 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:09:44,442 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:09:44,442 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-13 23:09:44,443 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-13 23:09:44,443 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:09:44,443 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:09:44,443 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:09:44,443 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:09:44,443 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:09:44,444 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:09:44,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:09:44,444 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:09:44,444 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:09:44,444 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-13 23:09:44,445 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:09:44,446 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-13 23:09:44,446 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 -> db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 [2019-01-13 23:09:44,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:09:44,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:09:44,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:09:44,514 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:09:44,514 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:09:44,515 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2019-01-13 23:09:44,577 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dcc04d6e/cc0108bdcc594466b4f53d41543693a9/FLAG8e6f9cb2a [2019-01-13 23:09:45,047 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:09:45,048 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2019-01-13 23:09:45,064 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dcc04d6e/cc0108bdcc594466b4f53d41543693a9/FLAG8e6f9cb2a [2019-01-13 23:09:45,353 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dcc04d6e/cc0108bdcc594466b4f53d41543693a9 [2019-01-13 23:09:45,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:09:45,359 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:09:45,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:09:45,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:09:45,365 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:09:45,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:09:45" (1/1) ... [2019-01-13 23:09:45,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61454545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:45, skipping insertion in model container [2019-01-13 23:09:45,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:09:45" (1/1) ... [2019-01-13 23:09:45,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:09:45,448 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:09:45,957 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:09:46,088 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:09:46,188 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:09:46,307 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:09:46,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:46 WrapperNode [2019-01-13 23:09:46,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:09:46,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:09:46,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:09:46,310 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:09:46,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:46" (1/1) ... [2019-01-13 23:09:46,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:46" (1/1) ... [2019-01-13 23:09:46,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:46" (1/1) ... [2019-01-13 23:09:46,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:46" (1/1) ... [2019-01-13 23:09:46,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:46" (1/1) ... [2019-01-13 23:09:46,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:46" (1/1) ... [2019-01-13 23:09:46,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:46" (1/1) ... [2019-01-13 23:09:46,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:09:46,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:09:46,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:09:46,452 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:09:46,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:46" (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 23:09:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:09:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:09:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:09:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:09:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:09:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:09:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:09:46,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:09:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:09:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:09:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:09:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:09:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:09:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:09:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:09:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:09:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:09:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:09:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:09:46,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:09:46,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:09:46,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:09:46,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:09:46,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:09:46,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:09:46,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:09:46,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:09:46,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:09:46,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:09:46,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:09:46,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:09:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:09:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:09:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:09:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:09:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:09:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:09:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:09:46,523 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:09:46,524 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-13 23:09:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-13 23:09:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-01-13 23:09:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-01-13 23:09:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:09:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:09:46,526 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:09:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:09:46,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:09:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:09:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:09:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:09:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:09:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:09:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:09:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:09:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:09:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:09:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:09:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:09:46,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:09:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:09:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:09:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:09:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:09:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:09:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:09:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:09:46,530 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:09:46,531 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:09:46,532 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:09:46,532 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:09:46,532 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:09:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:09:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:09:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:09:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:09:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:09:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:09:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:09:46,534 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:09:46,534 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:09:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:09:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:09:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:09:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:09:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:09:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:09:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:09:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:09:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:09:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:09:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:09:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:09:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:09:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:09:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:09:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:09:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:09:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:09:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:09:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:09:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:09:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:09:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:09:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:09:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:09:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:09:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:09:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:09:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:09:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:09:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:09:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:09:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:09:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:09:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:09:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:09:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:09:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:09:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:09:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:09:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:09:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:09:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:09:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:09:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:09:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:09:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:09:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:09:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:09:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:09:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:09:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:09:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:09:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:09:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:09:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:09:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:09:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:09:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:09:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:09:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:09:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:09:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:09:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:09:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:09:46,545 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:09:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:09:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:09:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:09:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:09:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:09:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:09:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:09:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:09:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:09:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:09:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:09:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:09:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:09:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:09:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:09:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:09:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:09:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:09:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:09:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:09:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:09:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-13 23:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-13 23:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:09:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:09:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:09:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:09:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:09:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:09:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:09:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:09:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:09:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:09:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:09:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:09:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:09:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:09:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:09:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-13 23:09:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-13 23:09:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-01-13 23:09:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-01-13 23:09:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:09:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:09:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:09:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:09:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:09:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:09:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:09:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:09:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:09:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-13 23:09:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-13 23:09:47,348 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:09:48,141 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:09:49,484 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:09:49,485 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:09:49,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:49 BoogieIcfgContainer [2019-01-13 23:09:49,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:09:49,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:09:49,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:09:49,492 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:09:49,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:09:45" (1/3) ... [2019-01-13 23:09:49,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffcf2f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:09:49, skipping insertion in model container [2019-01-13 23:09:49,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:46" (2/3) ... [2019-01-13 23:09:49,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffcf2f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:09:49, skipping insertion in model container [2019-01-13 23:09:49,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:49" (3/3) ... [2019-01-13 23:09:49,497 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_3_false-valid-memtrack_true-termination.i [2019-01-13 23:09:49,507 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:09:49,515 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 78 error locations. [2019-01-13 23:09:49,532 INFO L257 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2019-01-13 23:09:49,556 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:09:49,557 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:09:49,557 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:09:49,557 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:09:49,558 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:09:49,558 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:09:49,558 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:09:49,558 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:09:49,558 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:09:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2019-01-13 23:09:49,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:49,584 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:49,585 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] [2019-01-13 23:09:49,588 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:09:49,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:49,595 INFO L82 PathProgramCache]: Analyzing trace with hash -308482009, now seen corresponding path program 1 times [2019-01-13 23:09:49,600 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:49,600 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 23:09:49,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:49,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:49,803 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:09:49,854 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:49,998 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:09:50,012 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:50,022 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:50,158 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:09:50,159 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:50,226 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-13 23:09:50,227 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:50,321 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:50,400 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:50,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:09:50,454 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-13 23:09:50,558 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-13 23:09:50,558 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:50,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:09:50,564 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-01-13 23:09:50,577 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 23:09:50,577 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 23:09:50,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:50,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 23:09:50,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:09:50,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:09:50,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:09:50,604 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 4 states. [2019-01-13 23:09:50,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:50,921 INFO L93 Difference]: Finished difference Result 95 states and 107 transitions. [2019-01-13 23:09:50,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:50,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-13 23:09:50,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:50,934 INFO L225 Difference]: With dead ends: 95 [2019-01-13 23:09:50,934 INFO L226 Difference]: Without dead ends: 89 [2019-01-13 23:09:50,937 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 23:09:50,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-01-13 23:09:50,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2019-01-13 23:09:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-13 23:09:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 94 transitions. [2019-01-13 23:09:50,985 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 94 transitions. Word has length 20 [2019-01-13 23:09:50,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:50,986 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 94 transitions. [2019-01-13 23:09:50,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:09:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2019-01-13 23:09:50,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:50,989 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:50,989 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] [2019-01-13 23:09:50,990 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:09:50,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:50,991 INFO L82 PathProgramCache]: Analyzing trace with hash -308482008, now seen corresponding path program 1 times [2019-01-13 23:09:50,991 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:50,991 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 23:09:51,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:51,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:51,105 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-13 23:09:51,113 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:51,134 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:09:51,135 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:51,189 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:09:51,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-13 23:09:51,218 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:24 [2019-01-13 23:09:51,321 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-13 23:09:51,322 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:51,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:09:51,330 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2019-01-13 23:09:51,354 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 23:09:51,355 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:51,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:51,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 23:09:51,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:09:51,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:09:51,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:09:51,367 INFO L87 Difference]: Start difference. First operand 79 states and 94 transitions. Second operand 4 states. [2019-01-13 23:09:51,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:51,633 INFO L93 Difference]: Finished difference Result 110 states and 119 transitions. [2019-01-13 23:09:51,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 23:09:51,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-13 23:09:51,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:51,636 INFO L225 Difference]: With dead ends: 110 [2019-01-13 23:09:51,636 INFO L226 Difference]: Without dead ends: 100 [2019-01-13 23:09:51,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 2 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 23:09:51,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-01-13 23:09:51,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2019-01-13 23:09:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-01-13 23:09:51,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2019-01-13 23:09:51,651 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 20 [2019-01-13 23:09:51,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:51,652 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2019-01-13 23:09:51,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:09:51,652 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2019-01-13 23:09:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:51,654 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:51,654 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] [2019-01-13 23:09:51,655 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:09:51,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:51,655 INFO L82 PathProgramCache]: Analyzing trace with hash -111968503, now seen corresponding path program 1 times [2019-01-13 23:09:51,656 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:51,656 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 23:09:51,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:51,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:51,789 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 23:09:51,789 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:51,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:51,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:51,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:51,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:51,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:51,792 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 5 states. [2019-01-13 23:09:51,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:51,927 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2019-01-13 23:09:51,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:51,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-01-13 23:09:51,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:51,930 INFO L225 Difference]: With dead ends: 94 [2019-01-13 23:09:51,930 INFO L226 Difference]: Without dead ends: 94 [2019-01-13 23:09:51,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 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 23:09:51,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-01-13 23:09:51,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2019-01-13 23:09:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-01-13 23:09:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-01-13 23:09:51,941 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 20 [2019-01-13 23:09:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:51,942 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-01-13 23:09:51,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-01-13 23:09:51,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:09:51,944 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:51,944 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 23:09:51,944 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:09:51,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:51,947 INFO L82 PathProgramCache]: Analyzing trace with hash -404621749, now seen corresponding path program 1 times [2019-01-13 23:09:51,947 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:51,947 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 23:09:51,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:52,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:52,163 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 23:09:52,163 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:52,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:52,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:09:52,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:52,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:52,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:52,168 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 5 states. [2019-01-13 23:09:52,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:52,225 INFO L93 Difference]: Finished difference Result 89 states and 101 transitions. [2019-01-13 23:09:52,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:52,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-13 23:09:52,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:52,232 INFO L225 Difference]: With dead ends: 89 [2019-01-13 23:09:52,232 INFO L226 Difference]: Without dead ends: 89 [2019-01-13 23:09:52,233 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 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 23:09:52,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-01-13 23:09:52,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-01-13 23:09:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-01-13 23:09:52,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 101 transitions. [2019-01-13 23:09:52,243 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 101 transitions. Word has length 22 [2019-01-13 23:09:52,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:52,243 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 101 transitions. [2019-01-13 23:09:52,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:52,244 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2019-01-13 23:09:52,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:09:52,244 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:52,245 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] [2019-01-13 23:09:52,245 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:09:52,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:52,246 INFO L82 PathProgramCache]: Analyzing trace with hash 341628103, now seen corresponding path program 1 times [2019-01-13 23:09:52,247 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:52,247 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 23:09:52,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:52,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:52,485 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 23:09:52,485 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:52,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:52,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:09:52,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:52,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:52,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:52,491 INFO L87 Difference]: Start difference. First operand 89 states and 101 transitions. Second operand 6 states. [2019-01-13 23:09:52,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:52,562 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2019-01-13 23:09:52,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:09:52,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-01-13 23:09:52,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:52,566 INFO L225 Difference]: With dead ends: 80 [2019-01-13 23:09:52,567 INFO L226 Difference]: Without dead ends: 79 [2019-01-13 23:09:52,568 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:09:52,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-01-13 23:09:52,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2019-01-13 23:09:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-13 23:09:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2019-01-13 23:09:52,577 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 23 [2019-01-13 23:09:52,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:52,577 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2019-01-13 23:09:52,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:52,577 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2019-01-13 23:09:52,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:09:52,578 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:52,578 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] [2019-01-13 23:09:52,580 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:09:52,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:52,580 INFO L82 PathProgramCache]: Analyzing trace with hash 635031110, now seen corresponding path program 1 times [2019-01-13 23:09:52,581 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:52,581 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 23:09:52,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:52,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:52,782 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 23:09:52,782 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:52,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:52,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:52,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:52,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:52,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:52,788 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand 6 states. [2019-01-13 23:09:53,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:53,161 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2019-01-13 23:09:53,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:09:53,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-01-13 23:09:53,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:53,164 INFO L225 Difference]: With dead ends: 78 [2019-01-13 23:09:53,164 INFO L226 Difference]: Without dead ends: 78 [2019-01-13 23:09:53,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:53,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-01-13 23:09:53,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-01-13 23:09:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-01-13 23:09:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2019-01-13 23:09:53,171 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 23 [2019-01-13 23:09:53,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:53,173 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2019-01-13 23:09:53,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:53,173 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2019-01-13 23:09:53,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:09:53,174 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:53,174 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] [2019-01-13 23:09:53,175 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:09:53,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:53,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1788871634, now seen corresponding path program 1 times [2019-01-13 23:09:53,176 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:53,176 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 23:09:53,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:53,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:53,289 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 23:09:53,290 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:53,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:09:53,293 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:09:53,386 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 23:09:53,386 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:53,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:53,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:53,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:53,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:53,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:53,389 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand 6 states. [2019-01-13 23:09:53,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:53,630 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2019-01-13 23:09:53,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:09:53,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-13 23:09:53,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:53,632 INFO L225 Difference]: With dead ends: 78 [2019-01-13 23:09:53,632 INFO L226 Difference]: Without dead ends: 78 [2019-01-13 23:09:53,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:53,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-01-13 23:09:53,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2019-01-13 23:09:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-01-13 23:09:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2019-01-13 23:09:53,641 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 24 [2019-01-13 23:09:53,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:53,642 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2019-01-13 23:09:53,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:53,642 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2019-01-13 23:09:53,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:53,643 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:53,643 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] [2019-01-13 23:09:53,644 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:09:53,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:53,645 INFO L82 PathProgramCache]: Analyzing trace with hash 134473953, now seen corresponding path program 1 times [2019-01-13 23:09:53,645 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:53,645 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 23:09:53,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:53,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:53,752 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:09:53,758 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:53,775 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:09:53,786 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:53,792 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:53,806 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:09:53,807 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:54,004 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-13 23:09:54,004 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:54,041 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:54,071 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:54,101 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:09:54,101 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-13 23:09:54,317 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 23:09:54,317 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:54,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:54,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:09:54,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:09:54,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:09:54,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:09:54,320 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand 7 states. [2019-01-13 23:09:54,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:54,653 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2019-01-13 23:09:54,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:09:54,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2019-01-13 23:09:54,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:54,655 INFO L225 Difference]: With dead ends: 77 [2019-01-13 23:09:54,655 INFO L226 Difference]: Without dead ends: 77 [2019-01-13 23:09:54,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:09:54,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-01-13 23:09:54,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2019-01-13 23:09:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-01-13 23:09:54,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2019-01-13 23:09:54,662 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 28 [2019-01-13 23:09:54,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:54,662 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2019-01-13 23:09:54,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:09:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2019-01-13 23:09:54,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:54,664 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:54,665 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] [2019-01-13 23:09:54,666 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:09:54,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:54,666 INFO L82 PathProgramCache]: Analyzing trace with hash 134473954, now seen corresponding path program 1 times [2019-01-13 23:09:54,666 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:54,666 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 23:09:54,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:54,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:54,915 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 23:09:54,916 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:54,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:54,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:54,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:54,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:54,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:54,919 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand 5 states. [2019-01-13 23:09:54,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:54,947 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2019-01-13 23:09:54,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:54,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-01-13 23:09:54,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:54,950 INFO L225 Difference]: With dead ends: 62 [2019-01-13 23:09:54,950 INFO L226 Difference]: Without dead ends: 58 [2019-01-13 23:09:54,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 23:09:54,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-13 23:09:54,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-01-13 23:09:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-13 23:09:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2019-01-13 23:09:54,955 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 28 [2019-01-13 23:09:54,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:54,955 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2019-01-13 23:09:54,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:54,955 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2019-01-13 23:09:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:54,957 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:54,958 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] [2019-01-13 23:09:54,958 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:09:54,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:54,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1131546306, now seen corresponding path program 1 times [2019-01-13 23:09:54,961 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:54,961 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 23:09:54,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:55,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:55,078 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:09:55,090 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:55,106 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:09:55,130 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-13 23:09:55,131 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:55,161 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:55,166 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:55,185 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:09:55,186 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:55,219 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:55,253 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:55,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:09:55,284 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-13 23:09:55,838 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2019-01-13 23:09:55,852 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2019-01-13 23:09:55,853 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:55,859 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:09:55,860 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2019-01-13 23:09:55,921 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 23:09:55,921 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (11)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 23:09:55,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:55,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:09:55,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:09:55,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:09:55,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2019-01-13 23:09:55,925 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand 8 states. [2019-01-13 23:09:58,755 WARN L181 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-13 23:09:59,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:59,653 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2019-01-13 23:09:59,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:09:59,653 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-01-13 23:09:59,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:59,654 INFO L225 Difference]: With dead ends: 58 [2019-01-13 23:09:59,655 INFO L226 Difference]: Without dead ends: 58 [2019-01-13 23:09:59,655 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=48, Invalid=82, Unknown=6, NotChecked=20, Total=156 [2019-01-13 23:09:59,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-13 23:09:59,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2019-01-13 23:09:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-13 23:09:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2019-01-13 23:09:59,659 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 28 [2019-01-13 23:09:59,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:59,659 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2019-01-13 23:09:59,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:09:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2019-01-13 23:09:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:59,662 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:59,662 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] [2019-01-13 23:09:59,663 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:09:59,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:59,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1131546307, now seen corresponding path program 1 times [2019-01-13 23:09:59,664 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:59,664 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 23:09:59,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:59,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:59,805 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:09:59,816 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:59,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:09:59,836 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-13 23:09:59,837 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:59,873 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:59,882 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:59,893 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:09:59,894 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:59,945 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:59,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:10:00,048 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-13 23:10:00,054 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:00,073 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:10:00,074 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2019-01-13 23:10:00,095 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:10:00,150 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2019-01-13 23:10:00,150 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2019-01-13 23:10:01,509 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-13 23:10:01,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:01,522 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2019-01-13 23:10:01,523 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:01,653 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:01,654 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:01,657 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:01,674 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 49 [2019-01-13 23:10:01,675 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-01-13 23:10:01,865 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:01,867 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:01,869 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:01,870 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2019-01-13 23:10:01,871 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:02,032 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:02,034 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:02,035 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2019-01-13 23:10:02,035 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:02,174 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2019-01-13 23:10:02,175 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:02,290 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:02,292 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:02,293 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2019-01-13 23:10:02,294 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:02,298 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:02,299 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:02,300 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2019-01-13 23:10:02,300 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:02,432 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:10:02,432 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:93, output treesize:40 [2019-01-13 23:10:02,594 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 23:10:02,595 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:10:02,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:02,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 23:10:02,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:10:02,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:10:02,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-13 23:10:02,598 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 9 states. [2019-01-13 23:10:03,037 WARN L181 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-01-13 23:10:07,841 WARN L181 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 36 [2019-01-13 23:10:10,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:10,317 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-01-13 23:10:10,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-13 23:10:10,318 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2019-01-13 23:10:10,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:10,319 INFO L225 Difference]: With dead ends: 60 [2019-01-13 23:10:10,320 INFO L226 Difference]: Without dead ends: 60 [2019-01-13 23:10:10,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=59, Invalid=125, Unknown=2, NotChecked=24, Total=210 [2019-01-13 23:10:10,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-13 23:10:10,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-01-13 23:10:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-01-13 23:10:10,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2019-01-13 23:10:10,324 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 28 [2019-01-13 23:10:10,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:10,325 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2019-01-13 23:10:10,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:10:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2019-01-13 23:10:10,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:10:10,328 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:10,328 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] [2019-01-13 23:10:10,329 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:10:10,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:10,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1521203962, now seen corresponding path program 1 times [2019-01-13 23:10:10,329 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:10:10,330 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 23:10:10,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:10,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:10:10,429 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:10:10,437 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:10,453 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:10:10,458 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:10,476 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:10,489 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:10:10,490 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:10:10,553 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-13 23:10:10,554 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:10,584 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:10:10,631 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:10:10,662 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:10:10,662 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-13 23:10:10,684 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-13 23:10:10,685 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:10,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:10:10,688 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-01-13 23:10:10,941 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:10,942 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2019-01-13 23:10:10,942 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:10,961 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:10,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2019-01-13 23:10:10,962 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:10,974 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-13 23:10:10,975 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:16 [2019-01-13 23:10:13,212 WARN L860 $PredicateComparison]: unable to prove that (exists ((probe1_6_~p~0.base (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| probe1_6_~p~0.base)) (not (= probe1_6_~p~0.base (_ bv0 32))) (= |c_#valid| (store |c_old(#valid)| probe1_6_~p~0.base (_ bv0 1))))) is different from true [2019-01-13 23:10:13,219 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:13,220 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:13,221 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2019-01-13 23:10:13,222 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:13,233 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:10:13,233 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2019-01-13 23:10:13,459 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 23:10:13,459 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:10:13,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:13,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-01-13 23:10:13,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-13 23:10:13,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-13 23:10:13,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=81, Unknown=1, NotChecked=18, Total=132 [2019-01-13 23:10:13,468 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 12 states. [2019-01-13 23:10:55,477 WARN L181 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-01-13 23:11:13,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:11:13,703 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2019-01-13 23:11:13,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-13 23:11:13,704 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-01-13 23:11:13,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:11:13,705 INFO L225 Difference]: With dead ends: 58 [2019-01-13 23:11:13,705 INFO L226 Difference]: Without dead ends: 55 [2019-01-13 23:11:13,705 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=79, Invalid=261, Unknown=6, NotChecked=34, Total=380 [2019-01-13 23:11:13,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-13 23:11:13,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-01-13 23:11:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-01-13 23:11:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2019-01-13 23:11:13,708 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 29 [2019-01-13 23:11:13,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:11:13,709 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2019-01-13 23:11:13,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-13 23:11:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2019-01-13 23:11:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:11:13,709 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:11:13,710 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] [2019-01-13 23:11:13,710 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:11:13,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:11:13,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1521203963, now seen corresponding path program 1 times [2019-01-13 23:11:13,711 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:11:13,711 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 23:11:13,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:11:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:11:13,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:11:13,828 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-13 23:11:13,836 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:13,854 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:11:13,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-01-13 23:11:13,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:11:13,907 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:11:13,915 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:13,926 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:11:13,934 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:13,939 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:13,949 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:11:13,950 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2019-01-13 23:11:14,000 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-13 23:11:14,000 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:14,033 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:11:14,062 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:11:14,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2019-01-13 23:11:14,119 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2019-01-13 23:11:14,256 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2019-01-13 23:11:14,273 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:14,274 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:14,275 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2019-01-13 23:11:14,276 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:14,333 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2019-01-13 23:11:14,334 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:14,425 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2019-01-13 23:11:14,425 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:14,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:11:14,440 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:69, output treesize:10 [2019-01-13 23:11:16,474 WARN L181 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 16 [2019-01-13 23:11:16,503 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 23:11:16,503 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:16,535 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-13 23:11:16,535 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:16,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:11:16,550 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:15, output treesize:3 [2019-01-13 23:11:17,775 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:17,797 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:17,799 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2019-01-13 23:11:17,799 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:17,976 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:17,983 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:17,986 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:17,987 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2019-01-13 23:11:17,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:18,105 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:18,107 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:18,112 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:18,131 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 47 [2019-01-13 23:11:18,133 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:11:18,326 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-01-13 23:11:18,326 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:18,467 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2019-01-13 23:11:18,467 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:18,586 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:18,587 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:18,588 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2019-01-13 23:11:18,589 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:18,592 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:18,594 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:18,595 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2019-01-13 23:11:18,595 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:18,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:11:18,694 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:91, output treesize:40 [2019-01-13 23:11:20,731 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 23:11:20,731 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:11:20,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:11:20,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:11:20,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:11:20,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:11:20,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=23, Unknown=3, NotChecked=0, Total=42 [2019-01-13 23:11:20,735 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 7 states. [2019-01-13 23:11:29,950 WARN L181 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-01-13 23:11:39,343 WARN L181 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 20 [2019-01-13 23:11:47,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:11:47,595 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2019-01-13 23:11:47,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:11:47,596 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2019-01-13 23:11:47,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:11:47,597 INFO L225 Difference]: With dead ends: 54 [2019-01-13 23:11:47,597 INFO L226 Difference]: Without dead ends: 42 [2019-01-13 23:11:47,597 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 21.6s TimeCoverageRelationStatistics Valid=40, Invalid=61, Unknown=9, NotChecked=0, Total=110 [2019-01-13 23:11:47,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-01-13 23:11:47,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-01-13 23:11:47,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-13 23:11:47,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2019-01-13 23:11:47,600 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 29 [2019-01-13 23:11:47,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:11:47,601 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2019-01-13 23:11:47,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:11:47,601 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2019-01-13 23:11:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-01-13 23:11:47,601 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:11:47,602 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:11:47,605 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:11:47,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:11:47,605 INFO L82 PathProgramCache]: Analyzing trace with hash 637839202, now seen corresponding path program 1 times [2019-01-13 23:11:47,605 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:11:47,606 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 23:11:47,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:11:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:11:47,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:11:47,702 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 23:11:47,703 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:11:47,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:11:47,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:11:47,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:11:47,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:11:47,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:11:47,706 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 5 states. [2019-01-13 23:11:47,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:11:47,712 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-01-13 23:11:47,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:11:47,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-01-13 23:11:47,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:11:47,713 INFO L225 Difference]: With dead ends: 42 [2019-01-13 23:11:47,714 INFO L226 Difference]: Without dead ends: 42 [2019-01-13 23:11:47,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 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 23:11:47,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-01-13 23:11:47,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-01-13 23:11:47,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-13 23:11:47,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2019-01-13 23:11:47,719 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 37 [2019-01-13 23:11:47,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:11:47,719 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2019-01-13 23:11:47,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:11:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2019-01-13 23:11:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-13 23:11:47,720 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:11:47,720 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:11:47,721 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2019-01-13 23:11:47,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:11:47,721 INFO L82 PathProgramCache]: Analyzing trace with hash -2018415297, now seen corresponding path program 1 times [2019-01-13 23:11:47,721 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:11:47,721 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 23:11:47,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:11:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:11:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:11:48,024 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:11:48,053 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:11:48,066 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:11:48,066 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 23:11:48,066 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:11:48,067 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 23:11:48,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:11:48 BoogieIcfgContainer [2019-01-13 23:11:48,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:11:48,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:11:48,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:11:48,087 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:11:48,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:49" (3/4) ... [2019-01-13 23:11:48,099 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:11:48,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:11:48,101 INFO L168 Benchmark]: Toolchain (without parser) took 122741.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 297.8 MB). Free memory was 943.3 MB in the beginning and 930.8 MB in the end (delta: 12.5 MB). Peak memory consumption was 310.3 MB. Max. memory is 11.5 GB. [2019-01-13 23:11:48,102 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 23:11:48,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 947.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:11:48,103 INFO L168 Benchmark]: Boogie Preprocessor took 142.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:11:48,103 INFO L168 Benchmark]: RCFGBuilder took 3034.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. [2019-01-13 23:11:48,103 INFO L168 Benchmark]: TraceAbstraction took 118598.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 977.4 MB in the beginning and 930.8 MB in the end (delta: 46.6 MB). Peak memory consumption was 222.8 MB. Max. memory is 11.5 GB. [2019-01-13 23:11:48,106 INFO L168 Benchmark]: Witness Printer took 12.32 ms. Allocated memory is still 1.3 GB. Free memory is still 930.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:11:48,110 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 947.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 142.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3034.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 118598.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 977.4 MB in the beginning and 930.8 MB in the end (delta: 46.6 MB). Peak memory consumption was 222.8 MB. Max. memory is 11.5 GB. * Witness Printer took 12.32 ms. Allocated memory is still 1.3 GB. Free memory is still 930.8 MB. 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 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~~A?p~*VOID# - 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~~A?p~*VOID# - 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: 1476]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1476. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1465] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={4:0}, ldv_global_msg_list={5:0}] [L1477] CALL entry_point() VAL [a6={4:0}, ldv_global_msg_list={5:0}] [L1469] CALL, EXPR probe1_6(&a6) VAL [a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}] [L1443] int ret = - -3; VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={4:0}, ldv_global_msg_list={5:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={7:0}, a6={4:0}, ldv_global_msg_list={5:0}, malloc(size)={7:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, ldv_malloc(sizeof(int))={7:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, p={7:0}, ret=3] [L1447] CALL, EXPR f6() VAL [a6={4:0}, ldv_global_msg_list={5:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={4:0}, a={4:0}, a6={4:0}, f6()=0, ldv_global_msg_list={5:0}, p={7:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, p={7:0}, ret=0] [L1450] CALL, EXPR g6() VAL [a6={4:0}, ldv_global_msg_list={5:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={4:0}, a={4:0}, a6={4:0}, g6()=0, ldv_global_msg_list={5:0}, p={7:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, p={7:0}, ret=0] [L1453] a->p = p VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, p={7:0}, ret=0] [L1454] return 0; VAL [\result=0, a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, p={7:0}, ret=0] [L1469] RET, EXPR probe1_6(&a6) VAL [a6={4:0}, ldv_global_msg_list={5:0}, probe1_6(&a6)=0] [L1469] int ret = probe1_6(&a6); [L1470] COND TRUE ret==0 VAL [a6={4:0}, ldv_global_msg_list={5:0}, ret=0] [L1471] FCALL disconnect_2_6(&a6) VAL [a6={4:0}, ldv_global_msg_list={5:0}, ret=0] [L1473] a6.p = 0 VAL [a6={4:0}, ldv_global_msg_list={5:0}, ret=0] [L1477] RET entry_point() VAL [a6={4:0}, ldv_global_msg_list={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 353 locations, 78 error locations. UNSAFE Result, 118.5s OverallTime, 15 OverallIterations, 1 TraceHistogramMax, 100.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 711 SDtfs, 690 SDslu, 1492 SDs, 0 SdLazy, 845 SolverSat, 243 SolverUnsat, 29 SolverUnknown, 0 SolverNotchecked, 59.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 375 GetRequests, 265 SyntacticMatches, 19 SemanticMatches, 91 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 51.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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, 14 MinimizatonAttempts, 38 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 16.0s InterpolantComputationTime, 400 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 345 ConstructedInterpolants, 48 QuantifiedInterpolants, 61029 SizeOfPredicates, 51 NumberOfNonLiveVariables, 1568 ConjunctsInSsa, 148 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 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...