./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_2_false-valid-free.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 91b1670e 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_2_false-valid-free.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 a0382e9ca8dcc1388e7f0bf52be6824b1c767157 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 22:50:43,755 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:50:43,757 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:50:43,774 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:50:43,775 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:50:43,778 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:50:43,780 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:50:43,782 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:50:43,784 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:50:43,785 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:50:43,786 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:50:43,786 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:50:43,787 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:50:43,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:50:43,789 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:50:43,790 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:50:43,791 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:50:43,793 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:50:43,795 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:50:43,797 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:50:43,798 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:50:43,799 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:50:43,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:50:43,802 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:50:43,803 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:50:43,807 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:50:43,808 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:50:43,808 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:50:43,810 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:50:43,811 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:50:43,811 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:50:43,814 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:50:43,814 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:50:43,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:50:43,815 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:50:43,816 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:50:43,816 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 22:50:43,846 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:50:43,846 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:50:43,847 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:50:43,847 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:50:43,848 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:50:43,848 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:50:43,849 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:50:43,849 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:50:43,849 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:50:43,849 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:50:43,849 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:50:43,850 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:50:43,850 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:50:43,850 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:50:43,850 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:50:43,850 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:50:43,850 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:50:43,852 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:50:43,852 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:50:43,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:50:43,852 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:50:43,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:50:43,853 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:50:43,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:50:43,854 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:50:43,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:50:43,854 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 22:50:43,854 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:50:43,854 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 -> a0382e9ca8dcc1388e7f0bf52be6824b1c767157 [2018-11-28 22:50:43,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:50:43,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:50:43,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:50:43,914 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:50:43,914 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:50:43,915 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_2_false-valid-free.i [2018-11-28 22:50:43,984 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e186bb18/7dee27121fb84cc89b136b9df43782fb/FLAGd6cb7d36b [2018-11-28 22:50:44,517 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:50:44,517 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_2_false-valid-free.i [2018-11-28 22:50:44,537 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e186bb18/7dee27121fb84cc89b136b9df43782fb/FLAGd6cb7d36b [2018-11-28 22:50:44,768 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e186bb18/7dee27121fb84cc89b136b9df43782fb [2018-11-28 22:50:44,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:50:44,774 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:50:44,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:50:44,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:50:44,779 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:50:44,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:50:44" (1/1) ... [2018-11-28 22:50:44,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f99ec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:44, skipping insertion in model container [2018-11-28 22:50:44,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:50:44" (1/1) ... [2018-11-28 22:50:44,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:50:44,871 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:50:45,304 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:50:45,331 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:50:45,503 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:50:45,588 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:50:45,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:45 WrapperNode [2018-11-28 22:50:45,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:50:45,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:50:45,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:50:45,591 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:50:45,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:45" (1/1) ... [2018-11-28 22:50:45,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:45" (1/1) ... [2018-11-28 22:50:45,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:45" (1/1) ... [2018-11-28 22:50:45,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:45" (1/1) ... [2018-11-28 22:50:45,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:45" (1/1) ... [2018-11-28 22:50:45,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:45" (1/1) ... [2018-11-28 22:50:45,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:45" (1/1) ... [2018-11-28 22:50:45,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:50:45,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:50:45,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:50:45,730 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:50:45,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:45" (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 [2018-11-28 22:50:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:50:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:50:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:50:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:50:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:50:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 22:50:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 22:50:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 22:50:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 22:50:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:50:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 22:50:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 22:50:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 22:50:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 22:50:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 22:50:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 22:50:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 22:50:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 22:50:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 22:50:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 22:50:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 22:50:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 22:50:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 22:50:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 22:50:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 22:50:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 22:50:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 22:50:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 22:50:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 22:50:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 22:50:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 22:50:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 22:50:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 22:50:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 22:50:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 22:50:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 22:50:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 22:50:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 22:50:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-11-28 22:50:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-11-28 22:50:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure probe3_6 [2018-11-28 22:50:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2018-11-28 22:50:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 22:50:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:50:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 22:50:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 22:50:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 22:50:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:50:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:50:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:50:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:50:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:50:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:50:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:50:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:50:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:50:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:50:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:50:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:50:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:50:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:50:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:50:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:50:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:50:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:50:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:50:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:50:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:50:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:50:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:50:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:50:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:50:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:50:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:50:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:50:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:50:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:50:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:50:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:50:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:50:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:50:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:50:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:50:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:50:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:50:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:50:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:50:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:50:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:50:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:50:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:50:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:50:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:50:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:50:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:50:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:50:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:50:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:50:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:50:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:50:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:50:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:50:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:50:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:50:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:50:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:50:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:50:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:50:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:50:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:50:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:50:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:50:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:50:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:50:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:50:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:50:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:50:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:50:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:50:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:50:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:50:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:50:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:50:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:50:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:50:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:50:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:50:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:50:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:50:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:50:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:50:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:50:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:50:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:50:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:50:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:50:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:50:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:50:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:50:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:50:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:50:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:50:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:50:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:50:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:50:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:50:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:50:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:50:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:50:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 22:50:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:50:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 22:50:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 22:50:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 22:50:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 22:50:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 22:50:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 22:50:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:50:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 22:50:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 22:50:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:50:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:50:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 22:50:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 22:50:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 22:50:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:50:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 22:50:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 22:50:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 22:50:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 22:50:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 22:50:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 22:50:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:50:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 22:50:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 22:50:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 22:50:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 22:50:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 22:50:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 22:50:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 22:50:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 22:50:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 22:50:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:50:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 22:50:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 22:50:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 22:50:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 22:50:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 22:50:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 22:50:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 22:50:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 22:50:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 22:50:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 22:50:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 22:50:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 22:50:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 22:50:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 22:50:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-11-28 22:50:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-11-28 22:50:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure probe3_6 [2018-11-28 22:50:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2018-11-28 22:50:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 22:50:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:50:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:50:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 22:50:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:50:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 22:50:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 22:50:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 22:50:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 22:50:46,456 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:50:47,510 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:50:48,213 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:50:48,213 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 22:50:48,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:48 BoogieIcfgContainer [2018-11-28 22:50:48,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:50:48,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:50:48,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:50:48,219 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:50:48,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:50:44" (1/3) ... [2018-11-28 22:50:48,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c64734f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:50:48, skipping insertion in model container [2018-11-28 22:50:48,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:45" (2/3) ... [2018-11-28 22:50:48,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c64734f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:50:48, skipping insertion in model container [2018-11-28 22:50:48,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:48" (3/3) ... [2018-11-28 22:50:48,224 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_2_false-valid-free.i [2018-11-28 22:50:48,235 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:50:48,245 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 79 error locations. [2018-11-28 22:50:48,264 INFO L257 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2018-11-28 22:50:48,293 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:50:48,293 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:50:48,294 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:50:48,294 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:50:48,294 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:50:48,294 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:50:48,295 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:50:48,295 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:50:48,295 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:50:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-11-28 22:50:48,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 22:50:48,332 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:48,333 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] [2018-11-28 22:50:48,337 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:48,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:48,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1937502127, now seen corresponding path program 1 times [2018-11-28 22:50:48,348 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:48,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:48,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:48,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:48,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:48,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:48,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:50:48,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:50:48,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:50:48,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:50:48,824 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 5 states. [2018-11-28 22:50:49,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:49,256 INFO L93 Difference]: Finished difference Result 84 states and 94 transitions. [2018-11-28 22:50:49,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:50:49,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-11-28 22:50:49,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:49,274 INFO L225 Difference]: With dead ends: 84 [2018-11-28 22:50:49,274 INFO L226 Difference]: Without dead ends: 81 [2018-11-28 22:50:49,277 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 [2018-11-28 22:50:49,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-28 22:50:49,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 64. [2018-11-28 22:50:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-28 22:50:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2018-11-28 22:50:49,357 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 20 [2018-11-28 22:50:49,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:49,358 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2018-11-28 22:50:49,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:50:49,359 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2018-11-28 22:50:49,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 22:50:49,361 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:49,361 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] [2018-11-28 22:50:49,362 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:49,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:49,362 INFO L82 PathProgramCache]: Analyzing trace with hash -2134015632, now seen corresponding path program 1 times [2018-11-28 22:50:49,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:49,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:49,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:49,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:49,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:49,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:49,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 22:50:49,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 22:50:49,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 22:50:49,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:50:49,517 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 4 states. [2018-11-28 22:50:49,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:49,837 INFO L93 Difference]: Finished difference Result 99 states and 108 transitions. [2018-11-28 22:50:49,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:50:49,838 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-28 22:50:49,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:49,841 INFO L225 Difference]: With dead ends: 99 [2018-11-28 22:50:49,841 INFO L226 Difference]: Without dead ends: 96 [2018-11-28 22:50:49,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:50:49,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-28 22:50:49,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 69. [2018-11-28 22:50:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-28 22:50:49,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2018-11-28 22:50:49,856 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 20 [2018-11-28 22:50:49,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:49,856 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2018-11-28 22:50:49,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 22:50:49,857 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2018-11-28 22:50:49,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 22:50:49,858 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:49,858 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] [2018-11-28 22:50:49,859 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:49,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:49,859 INFO L82 PathProgramCache]: Analyzing trace with hash -2134015631, now seen corresponding path program 1 times [2018-11-28 22:50:49,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:49,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:49,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:49,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:49,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:49,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:49,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 22:50:49,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 22:50:49,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 22:50:49,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:50:49,987 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand 4 states. [2018-11-28 22:50:50,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:50,436 INFO L93 Difference]: Finished difference Result 113 states and 119 transitions. [2018-11-28 22:50:50,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:50:50,437 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-28 22:50:50,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:50,440 INFO L225 Difference]: With dead ends: 113 [2018-11-28 22:50:50,441 INFO L226 Difference]: Without dead ends: 112 [2018-11-28 22:50:50,441 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:50:50,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-11-28 22:50:50,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 97. [2018-11-28 22:50:50,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-28 22:50:50,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 115 transitions. [2018-11-28 22:50:50,455 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 115 transitions. Word has length 20 [2018-11-28 22:50:50,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:50,456 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 115 transitions. [2018-11-28 22:50:50,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 22:50:50,456 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 115 transitions. [2018-11-28 22:50:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 22:50:50,457 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:50,457 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] [2018-11-28 22:50:50,458 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:50,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:50,458 INFO L82 PathProgramCache]: Analyzing trace with hash 38792486, now seen corresponding path program 1 times [2018-11-28 22:50:50,458 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:50,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:50,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:50,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:50,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:50,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:50,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:50:50,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:50:50,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:50:50,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:50:50,606 INFO L87 Difference]: Start difference. First operand 97 states and 115 transitions. Second operand 5 states. [2018-11-28 22:50:50,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:50,639 INFO L93 Difference]: Finished difference Result 95 states and 111 transitions. [2018-11-28 22:50:50,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:50:50,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-28 22:50:50,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:50,648 INFO L225 Difference]: With dead ends: 95 [2018-11-28 22:50:50,649 INFO L226 Difference]: Without dead ends: 95 [2018-11-28 22:50:50,649 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 [2018-11-28 22:50:50,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-28 22:50:50,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-28 22:50:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-28 22:50:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 111 transitions. [2018-11-28 22:50:50,666 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 111 transitions. Word has length 22 [2018-11-28 22:50:50,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:50,666 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 111 transitions. [2018-11-28 22:50:50,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:50:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2018-11-28 22:50:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 22:50:50,668 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:50,668 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] [2018-11-28 22:50:50,669 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:50,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:50,670 INFO L82 PathProgramCache]: Analyzing trace with hash -2089614387, now seen corresponding path program 1 times [2018-11-28 22:50:50,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:50,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:50,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:50,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:50,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:50,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:50,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:50:50,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 22:50:50,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 22:50:50,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 22:50:50,963 INFO L87 Difference]: Start difference. First operand 95 states and 111 transitions. Second operand 6 states. [2018-11-28 22:50:51,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:51,287 INFO L93 Difference]: Finished difference Result 107 states and 120 transitions. [2018-11-28 22:50:51,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 22:50:51,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-28 22:50:51,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:51,290 INFO L225 Difference]: With dead ends: 107 [2018-11-28 22:50:51,291 INFO L226 Difference]: Without dead ends: 107 [2018-11-28 22:50:51,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-28 22:50:51,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-28 22:50:51,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 98. [2018-11-28 22:50:51,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-28 22:50:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 116 transitions. [2018-11-28 22:50:51,300 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 116 transitions. Word has length 22 [2018-11-28 22:50:51,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:51,300 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 116 transitions. [2018-11-28 22:50:51,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 22:50:51,300 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2018-11-28 22:50:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 22:50:51,301 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:51,301 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] [2018-11-28 22:50:51,302 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:51,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:51,302 INFO L82 PathProgramCache]: Analyzing trace with hash -2089614386, now seen corresponding path program 1 times [2018-11-28 22:50:51,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:51,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:51,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:51,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:51,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:51,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:51,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:51,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 22:50:51,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 22:50:51,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 22:50:51,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 22:50:51,398 INFO L87 Difference]: Start difference. First operand 98 states and 116 transitions. Second operand 6 states. [2018-11-28 22:50:51,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:51,484 INFO L93 Difference]: Finished difference Result 95 states and 110 transitions. [2018-11-28 22:50:51,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 22:50:51,485 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-28 22:50:51,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:51,486 INFO L225 Difference]: With dead ends: 95 [2018-11-28 22:50:51,486 INFO L226 Difference]: Without dead ends: 91 [2018-11-28 22:50:51,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:50:51,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-28 22:50:51,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-28 22:50:51,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-28 22:50:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 106 transitions. [2018-11-28 22:50:51,495 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 106 transitions. Word has length 22 [2018-11-28 22:50:51,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:51,495 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 106 transitions. [2018-11-28 22:50:51,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 22:50:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2018-11-28 22:50:51,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:50:51,497 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:51,497 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] [2018-11-28 22:50:51,498 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:51,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:51,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1202567326, now seen corresponding path program 1 times [2018-11-28 22:50:51,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:51,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:51,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:51,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:51,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:51,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:51,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:50:51,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:50:51,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:50:51,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:50:51,608 INFO L87 Difference]: Start difference. First operand 91 states and 106 transitions. Second operand 5 states. [2018-11-28 22:50:51,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:51,981 INFO L93 Difference]: Finished difference Result 93 states and 104 transitions. [2018-11-28 22:50:51,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:50:51,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-28 22:50:51,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:51,984 INFO L225 Difference]: With dead ends: 93 [2018-11-28 22:50:51,984 INFO L226 Difference]: Without dead ends: 93 [2018-11-28 22:50:51,985 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 [2018-11-28 22:50:51,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-28 22:50:51,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2018-11-28 22:50:51,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-28 22:50:51,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2018-11-28 22:50:51,992 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 23 [2018-11-28 22:50:51,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:51,992 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2018-11-28 22:50:51,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:50:51,992 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2018-11-28 22:50:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:50:51,993 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:51,994 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] [2018-11-28 22:50:51,994 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:51,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:51,995 INFO L82 PathProgramCache]: Analyzing trace with hash 909164319, now seen corresponding path program 1 times [2018-11-28 22:50:51,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:51,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:51,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:51,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:51,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:52,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:52,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:50:52,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:50:52,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:50:52,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:50:52,120 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand 5 states. [2018-11-28 22:50:52,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:52,167 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-11-28 22:50:52,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:50:52,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-28 22:50:52,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:52,168 INFO L225 Difference]: With dead ends: 60 [2018-11-28 22:50:52,168 INFO L226 Difference]: Without dead ends: 56 [2018-11-28 22:50:52,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:50:52,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-11-28 22:50:52,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-11-28 22:50:52,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-11-28 22:50:52,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2018-11-28 22:50:52,173 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 23 [2018-11-28 22:50:52,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:52,173 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2018-11-28 22:50:52,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:50:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-11-28 22:50:52,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 22:50:52,174 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:52,175 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] [2018-11-28 22:50:52,175 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:52,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:52,176 INFO L82 PathProgramCache]: Analyzing trace with hash -2058974343, now seen corresponding path program 1 times [2018-11-28 22:50:52,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:52,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:52,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:52,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:52,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:52,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:52,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 22:50:52,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 22:50:52,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 22:50:52,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:50:52,810 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 7 states. [2018-11-28 22:50:53,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:53,166 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-11-28 22:50:53,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 22:50:53,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-11-28 22:50:53,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:53,167 INFO L225 Difference]: With dead ends: 55 [2018-11-28 22:50:53,167 INFO L226 Difference]: Without dead ends: 55 [2018-11-28 22:50:53,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-28 22:50:53,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-28 22:50:53,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-28 22:50:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-28 22:50:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2018-11-28 22:50:53,171 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 28 [2018-11-28 22:50:53,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:53,172 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2018-11-28 22:50:53,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 22:50:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-11-28 22:50:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 22:50:53,173 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:53,173 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] [2018-11-28 22:50:53,173 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:53,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:53,174 INFO L82 PathProgramCache]: Analyzing trace with hash -2058974342, now seen corresponding path program 1 times [2018-11-28 22:50:53,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:53,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:53,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:53,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:53,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:53,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:53,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:53,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 22:50:53,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 22:50:53,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 22:50:53,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 22:50:53,574 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 8 states. [2018-11-28 22:50:54,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:54,028 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-11-28 22:50:54,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 22:50:54,028 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-11-28 22:50:54,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:54,029 INFO L225 Difference]: With dead ends: 53 [2018-11-28 22:50:54,029 INFO L226 Difference]: Without dead ends: 53 [2018-11-28 22:50:54,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-11-28 22:50:54,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-28 22:50:54,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-11-28 22:50:54,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-28 22:50:54,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-11-28 22:50:54,033 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 28 [2018-11-28 22:50:54,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:54,034 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-11-28 22:50:54,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 22:50:54,034 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-11-28 22:50:54,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 22:50:54,035 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:54,035 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] [2018-11-28 22:50:54,035 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:54,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:54,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1795007029, now seen corresponding path program 1 times [2018-11-28 22:50:54,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:54,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:54,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:54,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:54,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:54,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:54,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:54,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 22:50:54,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 22:50:54,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 22:50:54,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:50:54,426 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 7 states. [2018-11-28 22:50:54,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:54,894 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2018-11-28 22:50:54,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 22:50:54,895 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-11-28 22:50:54,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:54,897 INFO L225 Difference]: With dead ends: 57 [2018-11-28 22:50:54,897 INFO L226 Difference]: Without dead ends: 53 [2018-11-28 22:50:54,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-28 22:50:54,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-28 22:50:54,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-11-28 22:50:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-28 22:50:54,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2018-11-28 22:50:54,901 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 28 [2018-11-28 22:50:54,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:54,902 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2018-11-28 22:50:54,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 22:50:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-11-28 22:50:54,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 22:50:54,906 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:54,906 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:50:54,906 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:54,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:54,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1575105896, now seen corresponding path program 1 times [2018-11-28 22:50:54,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:54,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:54,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:54,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:54,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:55,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:55,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 22:50:55,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 22:50:55,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 22:50:55,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 22:50:55,153 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 6 states. [2018-11-28 22:50:55,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:55,205 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-11-28 22:50:55,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 22:50:55,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-11-28 22:50:55,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:55,207 INFO L225 Difference]: With dead ends: 57 [2018-11-28 22:50:55,207 INFO L226 Difference]: Without dead ends: 51 [2018-11-28 22:50:55,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:50:55,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-28 22:50:55,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-11-28 22:50:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-28 22:50:55,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 50 transitions. [2018-11-28 22:50:55,211 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 50 transitions. Word has length 30 [2018-11-28 22:50:55,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:55,211 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 50 transitions. [2018-11-28 22:50:55,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 22:50:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2018-11-28 22:50:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-28 22:50:55,212 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:55,213 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] [2018-11-28 22:50:55,213 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:55,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:55,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1307465683, now seen corresponding path program 1 times [2018-11-28 22:50:55,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:55,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:55,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:55,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:55,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:55,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:55,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:55,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-28 22:50:55,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 22:50:55,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 22:50:55,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-11-28 22:50:55,424 INFO L87 Difference]: Start difference. First operand 51 states and 50 transitions. Second operand 12 states. [2018-11-28 22:50:55,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:55,846 INFO L93 Difference]: Finished difference Result 50 states and 49 transitions. [2018-11-28 22:50:55,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 22:50:55,847 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-11-28 22:50:55,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:55,848 INFO L225 Difference]: With dead ends: 50 [2018-11-28 22:50:55,848 INFO L226 Difference]: Without dead ends: 50 [2018-11-28 22:50:55,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2018-11-28 22:50:55,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-28 22:50:55,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-28 22:50:55,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-28 22:50:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 49 transitions. [2018-11-28 22:50:55,853 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 49 transitions. Word has length 37 [2018-11-28 22:50:55,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:55,854 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 49 transitions. [2018-11-28 22:50:55,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 22:50:55,854 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 49 transitions. [2018-11-28 22:50:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-28 22:50:55,857 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:55,857 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] [2018-11-28 22:50:55,858 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:55,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:55,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1307465682, now seen corresponding path program 1 times [2018-11-28 22:50:55,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:55,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:55,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:55,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:55,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:56,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:56,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 22:50:56,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 22:50:56,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 22:50:56,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 22:50:56,012 INFO L87 Difference]: Start difference. First operand 50 states and 49 transitions. Second operand 8 states. [2018-11-28 22:50:56,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:56,322 INFO L93 Difference]: Finished difference Result 49 states and 48 transitions. [2018-11-28 22:50:56,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 22:50:56,323 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-11-28 22:50:56,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:56,324 INFO L225 Difference]: With dead ends: 49 [2018-11-28 22:50:56,324 INFO L226 Difference]: Without dead ends: 49 [2018-11-28 22:50:56,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-11-28 22:50:56,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-28 22:50:56,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-11-28 22:50:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-28 22:50:56,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 48 transitions. [2018-11-28 22:50:56,327 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 48 transitions. Word has length 37 [2018-11-28 22:50:56,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:56,327 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 48 transitions. [2018-11-28 22:50:56,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 22:50:56,327 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 48 transitions. [2018-11-28 22:50:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-28 22:50:56,328 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:56,328 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:50:56,329 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:56,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:56,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1876730143, now seen corresponding path program 1 times [2018-11-28 22:50:56,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:56,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:56,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:56,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:56,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:56,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:56,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 22:50:56,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 22:50:56,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 22:50:56,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-28 22:50:56,525 INFO L87 Difference]: Start difference. First operand 49 states and 48 transitions. Second operand 11 states. [2018-11-28 22:50:56,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:56,849 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2018-11-28 22:50:56,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 22:50:56,851 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 38 [2018-11-28 22:50:56,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:56,852 INFO L225 Difference]: With dead ends: 48 [2018-11-28 22:50:56,852 INFO L226 Difference]: Without dead ends: 48 [2018-11-28 22:50:56,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-11-28 22:50:56,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-28 22:50:56,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-11-28 22:50:56,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 22:50:56,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 47 transitions. [2018-11-28 22:50:56,855 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 47 transitions. Word has length 38 [2018-11-28 22:50:56,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:56,855 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 47 transitions. [2018-11-28 22:50:56,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 22:50:56,855 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 47 transitions. [2018-11-28 22:50:56,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-28 22:50:56,856 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:56,856 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] [2018-11-28 22:50:56,857 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:50:56,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:56,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1950908141, now seen corresponding path program 1 times [2018-11-28 22:50:56,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:56,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:56,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:56,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:56,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:50:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:50:56,945 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:50:56,984 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# [2018-11-28 22:50:56,986 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# [2018-11-28 22:50:56,987 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-11-28 22:50:56,987 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-11-28 22:50:57,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:50:57 BoogieIcfgContainer [2018-11-28 22:50:57,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:50:57,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:50:57,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:50:57,018 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:50:57,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:48" (3/4) ... [2018-11-28 22:50:57,022 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 22:50:57,028 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# [2018-11-28 22:50:57,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-11-28 22:50:57,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-11-28 22:50:57,029 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# [2018-11-28 22:50:57,088 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 22:50:57,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:50:57,089 INFO L168 Benchmark]: Toolchain (without parser) took 12316.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.0 MB). Free memory was 946.0 MB in the beginning and 866.2 MB in the end (delta: 79.8 MB). Peak memory consumption was 285.8 MB. Max. memory is 11.5 GB. [2018-11-28 22:50:57,093 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-28 22:50:57,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-11-28 22:50:57,094 INFO L168 Benchmark]: Boogie Preprocessor took 139.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:50:57,094 INFO L168 Benchmark]: RCFGBuilder took 2483.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.9 MB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. [2018-11-28 22:50:57,097 INFO L168 Benchmark]: TraceAbstraction took 8800.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 989.9 MB in the beginning and 874.1 MB in the end (delta: 115.8 MB). Peak memory consumption was 190.7 MB. Max. memory is 11.5 GB. [2018-11-28 22:50:57,098 INFO L168 Benchmark]: Witness Printer took 70.37 ms. Allocated memory is still 1.2 GB. Free memory was 874.1 MB in the beginning and 866.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-11-28 22:50:57,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 814.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 139.12 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 2483.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.9 MB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8800.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 989.9 MB in the beginning and 874.1 MB in the end (delta: 115.8 MB). Peak memory consumption was 190.7 MB. Max. memory is 11.5 GB. * Witness Printer took 70.37 ms. Allocated memory is still 1.2 GB. Free memory was 874.1 MB in the beginning and 866.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 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 13 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~A?p~*VOID# - 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: - CounterExampleResult [Line: 1464]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1468] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={15:0}, ldv_global_msg_list={16:0}] [L1480] CALL entry_point() VAL [a6={15:0}, ldv_global_msg_list={16:0}] [L1472] CALL, EXPR probe3_6(&a6) VAL [a={15:0}, a6={15:0}, ldv_global_msg_list={16:0}] [L1444] int ret = - -3; VAL [a={15:0}, a={15:0}, a6={15:0}, ldv_global_msg_list={16:0}, ret=3] [L1445] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={15:0}, ldv_global_msg_list={16:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={12:0}, a6={15:0}, ldv_global_msg_list={16:0}, malloc(size)={12:0}, size=4] [L1445] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={15:0}, a={15:0}, a6={15:0}, ldv_global_msg_list={16:0}, ldv_malloc(sizeof(int))={12:0}, ret=3] [L1445] int *p = (int *)ldv_malloc(sizeof(int)); [L1446] COND FALSE !(p==0) VAL [a={15:0}, a={15:0}, a6={15:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=3] [L1448] CALL, EXPR f6() VAL [a6={15:0}, ldv_global_msg_list={16:0}] [L1435] return __VERIFIER_nondet_int(); [L1448] RET, EXPR f6() VAL [a={15:0}, a={15:0}, a6={15:0}, f6()=0, ldv_global_msg_list={16:0}, p={12:0}, ret=3] [L1448] ret = f6() [L1449] COND FALSE !(ret<0) VAL [a={15:0}, a={15:0}, a6={15:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1451] CALL, EXPR g6() VAL [a6={15:0}, ldv_global_msg_list={16:0}] [L1439] return __VERIFIER_nondet_int(); [L1451] RET, EXPR g6() VAL [a={15:0}, a={15:0}, a6={15:0}, g6()=0, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1451] ret = g6() [L1452] COND FALSE !(ret<0) VAL [a={15:0}, a={15:0}, a6={15:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1454] a->p = p VAL [a={15:0}, a={15:0}, a6={15:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1455] free(p) VAL [a={15:0}, a={15:0}, a6={15:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1455] free(p) [L1456] return 0; VAL [\result=0, a={15:0}, a={15:0}, a6={15:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1472] RET, EXPR probe3_6(&a6) VAL [a6={15:0}, ldv_global_msg_list={16:0}, probe3_6(&a6)=0] [L1472] int ret = probe3_6(&a6); [L1473] COND TRUE ret==0 VAL [a6={15:0}, ldv_global_msg_list={16:0}, ret=0] [L1474] CALL disconnect_6(&a6) VAL [a={15:0}, a6={15:0}, ldv_global_msg_list={16:0}] [L1464] EXPR a->p VAL [a={15:0}, a={15:0}, a->p={12:0}, a6={15:0}, ldv_global_msg_list={16:0}] [L1464] free(a->p) VAL [a={15:0}, a={15:0}, a->p={12:0}, a6={15:0}, ldv_global_msg_list={16:0}] [L1464] free(a->p) VAL [a={15:0}, a={15:0}, a->p={12:0}, a6={15:0}, ldv_global_msg_list={16:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 351 locations, 79 error locations. UNSAFE Result, 8.7s OverallTime, 16 OverallIterations, 1 TraceHistogramMax, 4.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 755 SDtfs, 705 SDslu, 1841 SDs, 0 SdLazy, 1182 SolverSat, 190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 50 SyntacticMatches, 6 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 70 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 52820 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...