./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2e94e6aa 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_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash feda0632364bc935bd065aa8fb45d18a1f6a230c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash feda0632364bc935bd065aa8fb45d18a1f6a230c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 18:26:42,627 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:26:42,632 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:26:42,647 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:26:42,648 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:26:42,650 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:26:42,653 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:26:42,656 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:26:42,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:26:42,662 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:26:42,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:26:42,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:26:42,666 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:26:42,669 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:26:42,676 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:26:42,677 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:26:42,678 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:26:42,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:26:42,683 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:26:42,684 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:26:42,686 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:26:42,689 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:26:42,693 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:26:42,695 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:26:42,695 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:26:42,696 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:26:42,700 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:26:42,701 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:26:42,703 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:26:42,705 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:26:42,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:26:42,707 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:26:42,708 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:26:42,708 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:26:42,709 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:26:42,709 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:26:42,712 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 18:26:42,742 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:26:42,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:26:42,744 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:26:42,744 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:26:42,744 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:26:42,745 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:26:42,745 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:26:42,745 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:26:42,745 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:26:42,745 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:26:42,745 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:26:42,746 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:26:42,746 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:26:42,746 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:26:42,746 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:26:42,746 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:26:42,746 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:26:42,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:26:42,751 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:26:42,752 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:26:42,752 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:26:42,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:26:42,752 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:26:42,752 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:26:42,753 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 18:26:42,754 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:26:42,754 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 -> feda0632364bc935bd065aa8fb45d18a1f6a230c [2019-01-01 18:26:42,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:26:42,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:26:42,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:26:42,851 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:26:42,852 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:26:42,852 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-01 18:26:42,917 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01f33773/d20470ce32884deb920fd8af313eff5b/FLAG7fb599791 [2019-01-01 18:26:43,437 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:26:43,445 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-01 18:26:43,470 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01f33773/d20470ce32884deb920fd8af313eff5b/FLAG7fb599791 [2019-01-01 18:26:43,720 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01f33773/d20470ce32884deb920fd8af313eff5b [2019-01-01 18:26:43,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:26:43,725 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:26:43,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:26:43,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:26:43,734 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:26:43,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:26:43" (1/1) ... [2019-01-01 18:26:43,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@254a2913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:43, skipping insertion in model container [2019-01-01 18:26:43,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:26:43" (1/1) ... [2019-01-01 18:26:43,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:26:43,833 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:26:44,259 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:26:44,296 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:26:44,480 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:26:44,570 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:26:44,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:44 WrapperNode [2019-01-01 18:26:44,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:26:44,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:26:44,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:26:44,572 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:26:44,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:44" (1/1) ... [2019-01-01 18:26:44,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:44" (1/1) ... [2019-01-01 18:26:44,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:44" (1/1) ... [2019-01-01 18:26:44,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:44" (1/1) ... [2019-01-01 18:26:44,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:44" (1/1) ... [2019-01-01 18:26:44,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:44" (1/1) ... [2019-01-01 18:26:44,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:44" (1/1) ... [2019-01-01 18:26:44,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:26:44,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:26:44,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:26:44,692 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:26:44,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:26:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:26:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:26:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:26:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:26:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:26:44,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:26:44,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:26:44,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:26:44,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:26:44,769 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:26:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:26:44,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:26:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:26:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:26:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:26:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:26:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:26:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:26:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:26:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:26:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:26:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:26:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:26:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:26:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:26:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:26:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:26:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:26:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:26:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:26:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:26:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:26:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:26:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:26:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:26:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:26:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:26:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:26:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-01 18:26:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-01 18:26:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure probe2_6 [2019-01-01 18:26:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2019-01-01 18:26:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:26:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:26:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:26:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:26:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:26:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:26:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:26:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:26:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:26:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:26:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:26:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:26:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:26:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:26:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:26:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:26:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:26:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:26:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:26:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:26:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:26:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:26:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:26:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:26:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:26:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:26:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:26:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:26:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:26:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:26:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:26:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:26:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:26:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:26:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:26:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:26:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:26:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:26:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:26:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:26:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:26:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:26:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:26:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:26:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:26:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:26:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:26:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:26:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:26:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:26:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:26:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:26:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:26:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:26:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:26:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:26:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:26:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:26:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:26:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:26:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:26:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:26:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:26:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:26:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:26:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:26:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:26:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:26:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:26:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:26:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:26:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:26:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:26:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:26:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:26:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:26:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:26:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:26:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:26:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:26:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:26:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:26:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:26:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:26:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:26:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:26:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:26:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:26:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:26:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:26:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:26:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:26:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:26:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:26:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:26:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:26:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:26:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:26:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:26:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:26:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:26:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:26:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:26:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:26:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:26:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:26:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:26:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:26:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:26:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:26:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:26:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:26:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:26:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:26:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:26:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:26:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:26:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:26:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:26:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:26:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:26:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:26:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:26:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:26:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:26:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:26:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:26:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:26:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:26:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:26:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:26:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:26:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:26:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:26:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:26:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:26:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 18:26:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 18:26:44,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:26:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:26:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:26:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:26:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:26:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:26:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:26:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:26:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:26:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:26:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:26:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:26:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:26:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:26:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:26:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:26:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:26:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-01 18:26:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-01 18:26:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure probe2_6 [2019-01-01 18:26:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2019-01-01 18:26:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:26:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:26:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:26:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:26:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:26:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:26:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-01 18:26:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-01 18:26:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:26:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:26:45,482 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:26:46,315 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:26:46,862 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:26:46,862 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-01 18:26:46,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:26:46 BoogieIcfgContainer [2019-01-01 18:26:46,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:26:46,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:26:46,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:26:46,868 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:26:46,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:26:43" (1/3) ... [2019-01-01 18:26:46,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4e3ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:26:46, skipping insertion in model container [2019-01-01 18:26:46,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:44" (2/3) ... [2019-01-01 18:26:46,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4e3ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:26:46, skipping insertion in model container [2019-01-01 18:26:46,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:26:46" (3/3) ... [2019-01-01 18:26:46,874 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-01 18:26:46,885 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:26:46,896 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 83 error locations. [2019-01-01 18:26:46,915 INFO L257 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2019-01-01 18:26:46,943 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:26:46,945 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:26:46,945 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:26:46,945 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:26:46,945 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:26:46,945 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:26:46,945 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:26:46,946 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:26:46,946 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:26:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2019-01-01 18:26:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:26:46,982 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:46,983 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:46,986 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:46,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:46,995 INFO L82 PathProgramCache]: Analyzing trace with hash -203927755, now seen corresponding path program 1 times [2019-01-01 18:26:46,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:46,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:47,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:47,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:47,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:47,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:47,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:47,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:26:47,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:47,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:47,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:47,475 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 5 states. [2019-01-01 18:26:47,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:47,602 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2019-01-01 18:26:47,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:47,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-01-01 18:26:47,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:47,618 INFO L225 Difference]: With dead ends: 85 [2019-01-01 18:26:47,618 INFO L226 Difference]: Without dead ends: 82 [2019-01-01 18:26:47,620 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:47,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-01-01 18:26:47,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 65. [2019-01-01 18:26:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-01 18:26:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2019-01-01 18:26:47,673 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 20 [2019-01-01 18:26:47,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:47,674 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2019-01-01 18:26:47,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:47,674 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2019-01-01 18:26:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:26:47,675 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:47,675 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:47,676 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:47,677 INFO L82 PathProgramCache]: Analyzing trace with hash -400441260, now seen corresponding path program 1 times [2019-01-01 18:26:47,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:47,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:47,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:47,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:47,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:47,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:47,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 18:26:47,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:26:47,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:26:47,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:26:47,811 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 4 states. [2019-01-01 18:26:48,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:48,347 INFO L93 Difference]: Finished difference Result 108 states and 119 transitions. [2019-01-01 18:26:48,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:48,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-01 18:26:48,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:48,350 INFO L225 Difference]: With dead ends: 108 [2019-01-01 18:26:48,350 INFO L226 Difference]: Without dead ends: 105 [2019-01-01 18:26:48,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:48,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-01-01 18:26:48,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 83. [2019-01-01 18:26:48,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-01 18:26:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2019-01-01 18:26:48,376 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 20 [2019-01-01 18:26:48,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:48,377 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2019-01-01 18:26:48,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:26:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2019-01-01 18:26:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:26:48,381 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:48,381 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:48,383 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:48,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:48,383 INFO L82 PathProgramCache]: Analyzing trace with hash -400441259, now seen corresponding path program 1 times [2019-01-01 18:26:48,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:48,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:48,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:48,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:48,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:48,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:48,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 18:26:48,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:26:48,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:26:48,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:26:48,598 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 4 states. [2019-01-01 18:26:48,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:48,880 INFO L93 Difference]: Finished difference Result 120 states and 128 transitions. [2019-01-01 18:26:48,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:48,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-01 18:26:48,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:48,884 INFO L225 Difference]: With dead ends: 120 [2019-01-01 18:26:48,885 INFO L226 Difference]: Without dead ends: 119 [2019-01-01 18:26:48,885 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:48,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-01-01 18:26:48,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 104. [2019-01-01 18:26:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-01 18:26:48,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2019-01-01 18:26:48,898 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 20 [2019-01-01 18:26:48,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:48,898 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2019-01-01 18:26:48,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:26:48,899 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2019-01-01 18:26:48,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-01 18:26:48,900 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:48,900 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:48,901 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:48,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:48,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1897779190, now seen corresponding path program 1 times [2019-01-01 18:26:48,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:48,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:48,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:48,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:48,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:49,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:49,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:26:49,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:49,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:49,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:49,012 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand 5 states. [2019-01-01 18:26:49,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:49,061 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2019-01-01 18:26:49,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:49,063 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-01 18:26:49,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:49,065 INFO L225 Difference]: With dead ends: 103 [2019-01-01 18:26:49,066 INFO L226 Difference]: Without dead ends: 103 [2019-01-01 18:26:49,066 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:49,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-01-01 18:26:49,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-01-01 18:26:49,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-01-01 18:26:49,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2019-01-01 18:26:49,078 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 22 [2019-01-01 18:26:49,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:49,078 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2019-01-01 18:26:49,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2019-01-01 18:26:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-01 18:26:49,081 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:49,081 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:49,082 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:49,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:49,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1723015667, now seen corresponding path program 1 times [2019-01-01 18:26:49,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:49,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:49,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:49,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:49,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:49,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:49,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:26:49,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:26:49,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:26:49,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:26:49,177 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand 6 states. [2019-01-01 18:26:49,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:49,850 INFO L93 Difference]: Finished difference Result 124 states and 144 transitions. [2019-01-01 18:26:49,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:26:49,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-01-01 18:26:49,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:49,854 INFO L225 Difference]: With dead ends: 124 [2019-01-01 18:26:49,854 INFO L226 Difference]: Without dead ends: 124 [2019-01-01 18:26:49,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-01-01 18:26:49,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-01-01 18:26:49,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 109. [2019-01-01 18:26:49,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-01-01 18:26:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 132 transitions. [2019-01-01 18:26:49,867 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 132 transitions. Word has length 22 [2019-01-01 18:26:49,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:49,867 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 132 transitions. [2019-01-01 18:26:49,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:26:49,867 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2019-01-01 18:26:49,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-01 18:26:49,868 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:49,868 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:49,869 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:49,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:49,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1723015668, now seen corresponding path program 1 times [2019-01-01 18:26:49,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:49,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:49,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:49,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:49,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:49,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:49,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:26:49,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:26:49,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:26:49,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:26:49,973 INFO L87 Difference]: Start difference. First operand 109 states and 132 transitions. Second operand 6 states. [2019-01-01 18:26:50,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:50,041 INFO L93 Difference]: Finished difference Result 113 states and 135 transitions. [2019-01-01 18:26:50,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:26:50,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-01-01 18:26:50,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:50,043 INFO L225 Difference]: With dead ends: 113 [2019-01-01 18:26:50,043 INFO L226 Difference]: Without dead ends: 109 [2019-01-01 18:26:50,044 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 [2019-01-01 18:26:50,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-01-01 18:26:50,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-01-01 18:26:50,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-01-01 18:26:50,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 131 transitions. [2019-01-01 18:26:50,054 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 131 transitions. Word has length 22 [2019-01-01 18:26:50,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:50,054 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 131 transitions. [2019-01-01 18:26:50,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:26:50,054 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 131 transitions. [2019-01-01 18:26:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:26:50,055 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:50,055 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:50,056 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:50,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:50,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1298387609, now seen corresponding path program 1 times [2019-01-01 18:26:50,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:50,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:50,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:50,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:50,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:50,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:26:50,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:50,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:50,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,156 INFO L87 Difference]: Start difference. First operand 109 states and 131 transitions. Second operand 5 states. [2019-01-01 18:26:50,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:50,236 INFO L93 Difference]: Finished difference Result 111 states and 130 transitions. [2019-01-01 18:26:50,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:50,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-01 18:26:50,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:50,239 INFO L225 Difference]: With dead ends: 111 [2019-01-01 18:26:50,239 INFO L226 Difference]: Without dead ends: 111 [2019-01-01 18:26:50,240 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-01-01 18:26:50,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2019-01-01 18:26:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-01-01 18:26:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2019-01-01 18:26:50,249 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 23 [2019-01-01 18:26:50,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:50,250 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2019-01-01 18:26:50,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2019-01-01 18:26:50,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:26:50,251 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:50,251 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:50,252 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:50,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:50,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1004984602, now seen corresponding path program 1 times [2019-01-01 18:26:50,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:50,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:50,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:50,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:50,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:50,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:50,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:26:50,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:50,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:50,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,331 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand 5 states. [2019-01-01 18:26:50,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:50,371 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2019-01-01 18:26:50,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:50,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-01 18:26:50,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:50,374 INFO L225 Difference]: With dead ends: 71 [2019-01-01 18:26:50,374 INFO L226 Difference]: Without dead ends: 67 [2019-01-01 18:26:50,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-01-01 18:26:50,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-01-01 18:26:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-01-01 18:26:50,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 73 transitions. [2019-01-01 18:26:50,383 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 73 transitions. Word has length 23 [2019-01-01 18:26:50,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:50,384 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 73 transitions. [2019-01-01 18:26:50,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:50,384 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2019-01-01 18:26:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:26:50,386 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:50,387 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:50,388 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:50,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:50,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1595310572, now seen corresponding path program 1 times [2019-01-01 18:26:50,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:50,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:50,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:50,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:50,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:50,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:50,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:26:50,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:50,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:50,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,616 INFO L87 Difference]: Start difference. First operand 67 states and 73 transitions. Second operand 5 states. [2019-01-01 18:26:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:50,783 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2019-01-01 18:26:50,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:50,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-01 18:26:50,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:50,786 INFO L225 Difference]: With dead ends: 66 [2019-01-01 18:26:50,786 INFO L226 Difference]: Without dead ends: 66 [2019-01-01 18:26:50,787 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-01-01 18:26:50,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-01-01 18:26:50,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-01-01 18:26:50,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2019-01-01 18:26:50,792 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 24 [2019-01-01 18:26:50,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:50,792 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2019-01-01 18:26:50,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:50,792 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2019-01-01 18:26:50,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-01 18:26:50,793 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:50,793 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:50,794 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:50,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:50,794 INFO L82 PathProgramCache]: Analyzing trace with hash 2094307842, now seen corresponding path program 1 times [2019-01-01 18:26:50,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:50,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:50,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:50,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:51,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:51,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:26:51,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:26:51,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:26:51,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:26:51,095 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand 8 states. [2019-01-01 18:26:51,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:51,696 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2019-01-01 18:26:51,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-01 18:26:51,698 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-01-01 18:26:51,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:51,699 INFO L225 Difference]: With dead ends: 64 [2019-01-01 18:26:51,699 INFO L226 Difference]: Without dead ends: 64 [2019-01-01 18:26:51,700 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-01-01 18:26:51,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-01 18:26:51,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-01-01 18:26:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-01 18:26:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2019-01-01 18:26:51,706 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 28 [2019-01-01 18:26:51,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:51,706 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2019-01-01 18:26:51,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:26:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2019-01-01 18:26:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-01 18:26:51,708 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:51,708 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:51,709 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:51,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:51,709 INFO L82 PathProgramCache]: Analyzing trace with hash 2094307841, now seen corresponding path program 1 times [2019-01-01 18:26:51,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:51,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:51,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:51,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:51,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:52,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:52,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:26:52,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:26:52,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:26:52,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:26:52,066 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 8 states. [2019-01-01 18:26:52,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:52,492 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2019-01-01 18:26:52,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-01 18:26:52,494 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-01-01 18:26:52,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:52,496 INFO L225 Difference]: With dead ends: 74 [2019-01-01 18:26:52,496 INFO L226 Difference]: Without dead ends: 74 [2019-01-01 18:26:52,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-01-01 18:26:52,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-01-01 18:26:52,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 63. [2019-01-01 18:26:52,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-01-01 18:26:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2019-01-01 18:26:52,501 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 28 [2019-01-01 18:26:52,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:52,501 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2019-01-01 18:26:52,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:26:52,501 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2019-01-01 18:26:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 18:26:52,502 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:52,502 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:52,503 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:52,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:52,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1730402140, now seen corresponding path program 1 times [2019-01-01 18:26:52,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:52,504 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:52,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:52,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:52,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:52,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:52,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:52,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:26:52,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:26:52,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:26:52,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:26:52,916 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand 8 states. [2019-01-01 18:26:53,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:53,347 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2019-01-01 18:26:53,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-01 18:26:53,348 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-01 18:26:53,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:53,350 INFO L225 Difference]: With dead ends: 72 [2019-01-01 18:26:53,350 INFO L226 Difference]: Without dead ends: 72 [2019-01-01 18:26:53,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2019-01-01 18:26:53,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-01-01 18:26:53,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 63. [2019-01-01 18:26:53,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-01-01 18:26:53,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2019-01-01 18:26:53,355 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 29 [2019-01-01 18:26:53,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:53,355 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2019-01-01 18:26:53,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:26:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2019-01-01 18:26:53,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-01 18:26:53,357 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:53,357 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] [2019-01-01 18:26:53,357 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:53,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:53,358 INFO L82 PathProgramCache]: Analyzing trace with hash 764122875, now seen corresponding path program 1 times [2019-01-01 18:26:53,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:53,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:53,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:53,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:53,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:53,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:53,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:26:53,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:26:53,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:26:53,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:26:53,777 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand 6 states. [2019-01-01 18:26:53,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:53,984 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2019-01-01 18:26:53,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:26:53,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-01-01 18:26:53,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:53,988 INFO L225 Difference]: With dead ends: 65 [2019-01-01 18:26:53,988 INFO L226 Difference]: Without dead ends: 65 [2019-01-01 18:26:53,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:26:53,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-01-01 18:26:53,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 59. [2019-01-01 18:26:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-01 18:26:53,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2019-01-01 18:26:53,992 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 31 [2019-01-01 18:26:53,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:53,992 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2019-01-01 18:26:53,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:26:53,997 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2019-01-01 18:26:53,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 18:26:53,999 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:53,999 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:54,002 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:54,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:54,002 INFO L82 PathProgramCache]: Analyzing trace with hash -2081958002, now seen corresponding path program 1 times [2019-01-01 18:26:54,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:54,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:54,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:54,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:54,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:54,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:54,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:26:54,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:26:54,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:26:54,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:26:54,180 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 6 states. [2019-01-01 18:26:54,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:54,319 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-01-01 18:26:54,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 18:26:54,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-01-01 18:26:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:54,322 INFO L225 Difference]: With dead ends: 67 [2019-01-01 18:26:54,322 INFO L226 Difference]: Without dead ends: 56 [2019-01-01 18:26:54,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:26:54,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-01-01 18:26:54,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-01-01 18:26:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-01-01 18:26:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2019-01-01 18:26:54,325 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 32 [2019-01-01 18:26:54,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:54,326 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2019-01-01 18:26:54,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:26:54,326 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2019-01-01 18:26:54,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-01 18:26:54,327 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:54,327 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] [2019-01-01 18:26:54,327 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:54,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:54,328 INFO L82 PathProgramCache]: Analyzing trace with hash -550007650, now seen corresponding path program 1 times [2019-01-01 18:26:54,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:54,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:54,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:54,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:54,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:26:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:26:54,392 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:26:54,410 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 18:26:54,416 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:26:54,417 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-01 18:26:54,417 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-01 18:26:54,417 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:26:54,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:26:54 BoogieIcfgContainer [2019-01-01 18:26:54,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:26:54,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:26:54,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:26:54,433 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:26:54,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:26:46" (3/4) ... [2019-01-01 18:26:54,438 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 18:26:54,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:26:54,439 INFO L168 Benchmark]: Toolchain (without parser) took 10715.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 950.0 MB in the beginning and 971.4 MB in the end (delta: -21.4 MB). Peak memory consumption was 177.8 MB. Max. memory is 11.5 GB. [2019-01-01 18:26:54,441 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:26:54,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 842.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2019-01-01 18:26:54,443 INFO L168 Benchmark]: Boogie Preprocessor took 119.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:26:54,443 INFO L168 Benchmark]: RCFGBuilder took 2171.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 978.1 MB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. [2019-01-01 18:26:54,444 INFO L168 Benchmark]: TraceAbstraction took 7568.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 978.1 MB in the beginning and 971.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 87.4 MB. Max. memory is 11.5 GB. [2019-01-01 18:26:54,445 INFO L168 Benchmark]: Witness Printer took 5.53 ms. Allocated memory is still 1.2 GB. Free memory is still 971.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:26:54,449 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 842.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2171.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 978.1 MB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7568.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 978.1 MB in the beginning and 971.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 87.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.53 ms. Allocated memory is still 1.2 GB. Free memory is still 971.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: 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 14 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1478]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1478. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1467] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={3:0}, ldv_global_msg_list={2:0}] [L1479] CALL entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1471] CALL, EXPR probe2_6(&a6) VAL [a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}] [L1444] int ret = - -3; VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ret=3] [L1445] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={3:0}, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={5:0}, a6={3:0}, ldv_global_msg_list={2:0}, malloc(size)={5:0}, size=4] [L1445] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(int))={5:0}, ret=3] [L1445] int *p = (int *)ldv_malloc(sizeof(int)); [L1446] COND FALSE !(p==0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=3] [L1448] CALL, EXPR f6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1435] return __VERIFIER_nondet_int(); [L1448] RET, EXPR f6() VAL [a={3:0}, a={3:0}, a6={3:0}, f6()=7, ldv_global_msg_list={2:0}, p={5:0}, ret=3] [L1448] ret = f6() [L1449] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=7] [L1451] CALL, EXPR g6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1439] return __VERIFIER_nondet_int(); [L1451] RET, EXPR g6() VAL [a={3:0}, a={3:0}, a6={3:0}, g6()=-1, ldv_global_msg_list={2:0}, p={5:0}, ret=7] [L1451] ret = g6() [L1452] COND TRUE ret<0 [L1453] return ret; VAL [\result=-1, a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=-1] [L1471] RET, EXPR probe2_6(&a6) VAL [a6={3:0}, ldv_global_msg_list={2:0}, probe2_6(&a6)=-1] [L1471] int ret = probe2_6(&a6); [L1472] COND FALSE !(ret==0) VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=-1] [L1475] a6.p = 0 VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=-1] [L1479] RET entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 360 locations, 83 error locations. UNSAFE Result, 7.4s OverallTime, 15 OverallIterations, 1 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 810 SDtfs, 667 SDslu, 1731 SDs, 0 SdLazy, 928 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 46 SyntacticMatches, 7 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 97 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 45790 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2019-01-01 18:26:56,894 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:26:56,896 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:26:56,908 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:26:56,909 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:26:56,910 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:26:56,911 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:26:56,913 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:26:56,915 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:26:56,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:26:56,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:26:56,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:26:56,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:26:56,919 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:26:56,920 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:26:56,921 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:26:56,922 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:26:56,923 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:26:56,925 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:26:56,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:26:56,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:26:56,929 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:26:56,932 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:26:56,932 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:26:56,932 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:26:56,933 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:26:56,934 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:26:56,935 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:26:56,936 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:26:56,937 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:26:56,937 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:26:56,938 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:26:56,938 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:26:56,939 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:26:56,940 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:26:56,940 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:26:56,941 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-01 18:26:56,956 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:26:56,956 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:26:56,957 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:26:56,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:26:56,958 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:26:56,958 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:26:56,958 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:26:56,958 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:26:56,958 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:26:56,959 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:26:56,959 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:26:56,959 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:26:56,959 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:26:56,959 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:26:56,959 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:26:56,960 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-01 18:26:56,960 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-01 18:26:56,960 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:26:56,960 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:26:56,960 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:26:56,960 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:26:56,961 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:26:56,961 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:26:56,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:26:56,961 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:26:56,961 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:26:56,961 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-01 18:26:56,962 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:26:56,962 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-01 18:26:56,962 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feda0632364bc935bd065aa8fb45d18a1f6a230c [2019-01-01 18:26:56,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:26:57,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:26:57,014 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:26:57,015 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:26:57,016 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:26:57,017 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-01 18:26:57,076 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e90fd69/70e5e51ef78c4d2ab89e970f5ca53f03/FLAG0c958bbf8 [2019-01-01 18:26:57,677 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:26:57,678 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-01 18:26:57,696 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e90fd69/70e5e51ef78c4d2ab89e970f5ca53f03/FLAG0c958bbf8 [2019-01-01 18:26:57,930 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e90fd69/70e5e51ef78c4d2ab89e970f5ca53f03 [2019-01-01 18:26:57,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:26:57,934 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:26:57,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:26:57,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:26:57,939 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:26:57,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:26:57" (1/1) ... [2019-01-01 18:26:57,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c30680f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:57, skipping insertion in model container [2019-01-01 18:26:57,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:26:57" (1/1) ... [2019-01-01 18:26:57,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:26:58,026 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:26:58,539 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:26:58,657 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:26:58,782 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:26:58,883 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:26:58,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58 WrapperNode [2019-01-01 18:26:58,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:26:58,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:26:58,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:26:58,885 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:26:58,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:26:58,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:26:58,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:26:58,990 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:26:58,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:26:59,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:26:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:26:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:26:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:26:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:26:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:26:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:26:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:26:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:26:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:26:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:26:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:26:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:26:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:26:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:26:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:26:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:26:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:26:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:26:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:26:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:26:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:26:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:26:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:26:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:26:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:26:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:26:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:26:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:26:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:26:59,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:26:59,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:26:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:26:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:26:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:26:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:26:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:26:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:26:59,075 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-01 18:26:59,075 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-01 18:26:59,076 INFO L138 BoogieDeclarations]: Found implementation of procedure probe2_6 [2019-01-01 18:26:59,076 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2019-01-01 18:26:59,076 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:26:59,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:26:59,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:26:59,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:26:59,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:26:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:26:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:26:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:26:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:26:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:26:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:26:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:26:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:26:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:26:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:26:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:26:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:26:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:26:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:26:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:26:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:26:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:26:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:26:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:26:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:26:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:26:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:26:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:26:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:26:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:26:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:26:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:26:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:26:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:26:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:26:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:26:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:26:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:26:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:26:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:26:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:26:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:26:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:26:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:26:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:26:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:26:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:26:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:26:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:26:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:26:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:26:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:26:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:26:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:26:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:26:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:26:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:26:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:26:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:26:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:26:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:26:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:26:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:26:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:26:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:26:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:26:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:26:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:26:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:26:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:26:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:26:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:26:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:26:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:26:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:26:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:26:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:26:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:26:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:26:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:26:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:26:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:26:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:26:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:26:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:26:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:26:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:26:59,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:26:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:26:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:26:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:26:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:26:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:26:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:26:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:26:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:26:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:26:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:26:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:26:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:26:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:26:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:26:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:26:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:26:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:26:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:26:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:26:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:26:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:26:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:26:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:26:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:26:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:26:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:26:59,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:26:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:26:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:26:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:26:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:26:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:26:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:26:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:26:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:26:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:26:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:26:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:26:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:26:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:26:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:26:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:26:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:26:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:26:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:26:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:26:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:26:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:26:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-01 18:26:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-01 18:26:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:26:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:26:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:26:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:26:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:26:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:26:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:26:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:26:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:26:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:26:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:26:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:26:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:26:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:26:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:26:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:26:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:26:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-01 18:26:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-01 18:26:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure probe2_6 [2019-01-01 18:26:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2019-01-01 18:26:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:26:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:26:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:26:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:26:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:26:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:26:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-01 18:26:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-01 18:26:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:26:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:26:59,907 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:27:00,755 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:27:02,066 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:27:02,068 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-01 18:27:02,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:27:02 BoogieIcfgContainer [2019-01-01 18:27:02,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:27:02,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:27:02,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:27:02,076 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:27:02,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:26:57" (1/3) ... [2019-01-01 18:27:02,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a621ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:27:02, skipping insertion in model container [2019-01-01 18:27:02,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (2/3) ... [2019-01-01 18:27:02,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a621ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:27:02, skipping insertion in model container [2019-01-01 18:27:02,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:27:02" (3/3) ... [2019-01-01 18:27:02,083 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-01 18:27:02,095 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:27:02,111 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 83 error locations. [2019-01-01 18:27:02,132 INFO L257 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2019-01-01 18:27:02,169 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:27:02,170 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:27:02,170 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:27:02,170 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:27:02,170 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:27:02,171 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:27:02,171 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:27:02,172 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:27:02,172 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:27:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2019-01-01 18:27:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:27:02,218 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:02,219 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:02,223 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:27:02,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:02,234 INFO L82 PathProgramCache]: Analyzing trace with hash 159517878, now seen corresponding path program 1 times [2019-01-01 18:27:02,241 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:02,241 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:02,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:02,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:02,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:02,489 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:02,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:02,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:27:02,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:27:02,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:27:02,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:27:02,525 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 5 states. [2019-01-01 18:27:02,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:02,653 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2019-01-01 18:27:02,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:27:02,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-01-01 18:27:02,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:02,671 INFO L225 Difference]: With dead ends: 85 [2019-01-01 18:27:02,671 INFO L226 Difference]: Without dead ends: 82 [2019-01-01 18:27:02,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:27:02,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-01-01 18:27:02,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 65. [2019-01-01 18:27:02,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-01 18:27:02,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2019-01-01 18:27:02,724 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 20 [2019-01-01 18:27:02,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:02,724 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2019-01-01 18:27:02,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:27:02,725 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2019-01-01 18:27:02,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:27:02,726 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:02,726 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:02,728 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:27:02,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:02,728 INFO L82 PathProgramCache]: Analyzing trace with hash -36995627, now seen corresponding path program 1 times [2019-01-01 18:27:02,731 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:02,731 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:02,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:02,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:02,938 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-01 18:27:03,018 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:03,088 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-01 18:27:03,133 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:03,204 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:03,205 INFO L303 Elim1Store]: Index analysis took 113 ms [2019-01-01 18:27:03,330 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-01 18:27:03,332 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-01 18:27:03,628 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-01 18:27:03,629 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:03,679 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:27:03,843 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:27:04,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-01 18:27:04,059 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-01 18:27:04,132 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-01 18:27:04,133 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:04,136 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:27:04,137 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-01-01 18:27:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:04,153 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:04,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:04,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 18:27:04,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:27:04,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:27:04,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:27:04,160 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 4 states. [2019-01-01 18:27:04,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:04,560 INFO L93 Difference]: Finished difference Result 108 states and 119 transitions. [2019-01-01 18:27:04,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:27:04,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-01 18:27:04,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:04,565 INFO L225 Difference]: With dead ends: 108 [2019-01-01 18:27:04,565 INFO L226 Difference]: Without dead ends: 105 [2019-01-01 18:27:04,566 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:27:04,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-01-01 18:27:04,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 83. [2019-01-01 18:27:04,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-01 18:27:04,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2019-01-01 18:27:04,581 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 20 [2019-01-01 18:27:04,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:04,581 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2019-01-01 18:27:04,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:27:04,582 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2019-01-01 18:27:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:27:04,584 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:04,584 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:04,585 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:27:04,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:04,586 INFO L82 PathProgramCache]: Analyzing trace with hash -36995626, now seen corresponding path program 1 times [2019-01-01 18:27:04,586 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:04,586 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:04,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:04,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:04,684 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-01 18:27:04,698 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:04,721 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2019-01-01 18:27:04,723 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-01-01 18:27:04,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-01 18:27:04,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-01 18:27:04,778 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:24 [2019-01-01 18:27:04,885 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-01 18:27:04,885 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:04,900 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:27:04,901 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2019-01-01 18:27:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:04,916 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:04,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:04,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 18:27:04,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:27:04,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:27:04,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:27:04,924 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 4 states. [2019-01-01 18:27:05,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:05,283 INFO L93 Difference]: Finished difference Result 120 states and 128 transitions. [2019-01-01 18:27:05,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 18:27:05,284 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-01 18:27:05,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:05,287 INFO L225 Difference]: With dead ends: 120 [2019-01-01 18:27:05,287 INFO L226 Difference]: Without dead ends: 119 [2019-01-01 18:27:05,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:27:05,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-01-01 18:27:05,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 104. [2019-01-01 18:27:05,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-01 18:27:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2019-01-01 18:27:05,301 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 20 [2019-01-01 18:27:05,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:05,301 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2019-01-01 18:27:05,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:27:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2019-01-01 18:27:05,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-01 18:27:05,302 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:05,302 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:05,304 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:27:05,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:05,304 INFO L82 PathProgramCache]: Analyzing trace with hash -489324213, now seen corresponding path program 1 times [2019-01-01 18:27:05,305 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:05,305 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:05,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:05,372 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:05,508 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:05,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:05,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:27:05,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:27:05,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:27:05,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:27:05,512 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand 5 states. [2019-01-01 18:27:05,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:05,579 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2019-01-01 18:27:05,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:27:05,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-01 18:27:05,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:05,586 INFO L225 Difference]: With dead ends: 103 [2019-01-01 18:27:05,586 INFO L226 Difference]: Without dead ends: 103 [2019-01-01 18:27:05,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:27:05,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-01-01 18:27:05,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-01-01 18:27:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-01-01 18:27:05,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2019-01-01 18:27:05,603 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 22 [2019-01-01 18:27:05,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:05,603 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2019-01-01 18:27:05,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:27:05,603 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2019-01-01 18:27:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-01 18:27:05,604 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:05,604 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:05,606 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:27:05,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:05,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1193049324, now seen corresponding path program 1 times [2019-01-01 18:27:05,606 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:05,606 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:05,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:05,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:05,811 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:05,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:05,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:27:05,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:27:05,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:27:05,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:27:05,817 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand 6 states. [2019-01-01 18:27:05,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:05,864 INFO L93 Difference]: Finished difference Result 107 states and 125 transitions. [2019-01-01 18:27:05,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:27:05,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-01-01 18:27:05,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:05,875 INFO L225 Difference]: With dead ends: 107 [2019-01-01 18:27:05,875 INFO L226 Difference]: Without dead ends: 103 [2019-01-01 18:27:05,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:27:05,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-01-01 18:27:05,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-01-01 18:27:05,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-01-01 18:27:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 121 transitions. [2019-01-01 18:27:05,885 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 121 transitions. Word has length 22 [2019-01-01 18:27:05,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:05,885 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 121 transitions. [2019-01-01 18:27:05,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:27:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2019-01-01 18:27:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:27:05,886 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:05,888 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:05,888 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:27:05,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:05,889 INFO L82 PathProgramCache]: Analyzing trace with hash 2010818935, now seen corresponding path program 1 times [2019-01-01 18:27:05,889 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:05,889 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:05,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:06,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:06,158 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:06,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:06,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:27:06,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:27:06,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:27:06,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:27:06,166 INFO L87 Difference]: Start difference. First operand 103 states and 121 transitions. Second operand 6 states. [2019-01-01 18:27:06,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:06,641 INFO L93 Difference]: Finished difference Result 114 states and 130 transitions. [2019-01-01 18:27:06,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:27:06,642 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-01-01 18:27:06,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:06,643 INFO L225 Difference]: With dead ends: 114 [2019-01-01 18:27:06,643 INFO L226 Difference]: Without dead ends: 114 [2019-01-01 18:27:06,643 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:27:06,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-01-01 18:27:06,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 103. [2019-01-01 18:27:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-01-01 18:27:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2019-01-01 18:27:06,652 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 23 [2019-01-01 18:27:06,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:06,652 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2019-01-01 18:27:06,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:27:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2019-01-01 18:27:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:27:06,654 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:06,654 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:06,655 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:27:06,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:06,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1717415928, now seen corresponding path program 1 times [2019-01-01 18:27:06,658 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:06,658 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:06,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:06,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:06,813 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:06,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:06,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:27:06,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:27:06,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:27:06,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:27:06,818 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 6 states. [2019-01-01 18:27:06,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:06,891 INFO L93 Difference]: Finished difference Result 98 states and 110 transitions. [2019-01-01 18:27:06,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:27:06,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-01-01 18:27:06,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:06,893 INFO L225 Difference]: With dead ends: 98 [2019-01-01 18:27:06,894 INFO L226 Difference]: Without dead ends: 97 [2019-01-01 18:27:06,894 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:27:06,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-01-01 18:27:06,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2019-01-01 18:27:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-01-01 18:27:06,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2019-01-01 18:27:06,901 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 23 [2019-01-01 18:27:06,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:06,902 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2019-01-01 18:27:06,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:27:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2019-01-01 18:27:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:27:06,903 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:06,904 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:06,905 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:27:06,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:06,905 INFO L82 PathProgramCache]: Analyzing trace with hash -2089122099, now seen corresponding path program 1 times [2019-01-01 18:27:06,906 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:06,906 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:06,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:07,005 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:07,019 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:27:07,019 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:07,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:27:07,022 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:27:07,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:07,077 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (9)] Exception during sending of exit command (exit): Broken pipe [2019-01-01 18:27:07,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:07,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:27:07,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:27:07,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:27:07,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:27:07,081 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 6 states. [2019-01-01 18:27:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:07,345 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2019-01-01 18:27:07,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:27:07,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-01 18:27:07,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:07,349 INFO L225 Difference]: With dead ends: 102 [2019-01-01 18:27:07,349 INFO L226 Difference]: Without dead ends: 102 [2019-01-01 18:27:07,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:27:07,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-01-01 18:27:07,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2019-01-01 18:27:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-01-01 18:27:07,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2019-01-01 18:27:07,355 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 24 [2019-01-01 18:27:07,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:07,356 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2019-01-01 18:27:07,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:27:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2019-01-01 18:27:07,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-01 18:27:07,357 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:07,358 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:07,358 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:27:07,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:07,361 INFO L82 PathProgramCache]: Analyzing trace with hash 335072802, now seen corresponding path program 1 times [2019-01-01 18:27:07,362 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:07,362 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:07,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:07,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:07,475 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-01 18:27:07,486 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:07,507 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-01 18:27:07,514 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:07,520 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:07,530 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-01 18:27:07,531 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-01 18:27:07,582 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-01 18:27:07,583 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:07,640 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:27:07,681 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:27:07,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-01 18:27:07,713 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-01 18:27:08,309 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2019-01-01 18:27:08,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2019-01-01 18:27:08,318 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:08,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-01 18:27:08,326 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2019-01-01 18:27:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:08,562 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:08,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:08,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:27:08,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:27:08,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:27:08,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2019-01-01 18:27:08,565 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 8 states. [2019-01-01 18:27:11,649 WARN L181 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-01 18:27:12,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:12,734 INFO L93 Difference]: Finished difference Result 106 states and 118 transitions. [2019-01-01 18:27:12,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:27:12,735 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-01-01 18:27:12,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:12,736 INFO L225 Difference]: With dead ends: 106 [2019-01-01 18:27:12,736 INFO L226 Difference]: Without dead ends: 106 [2019-01-01 18:27:12,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=55, Invalid=99, Unknown=6, NotChecked=22, Total=182 [2019-01-01 18:27:12,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-01-01 18:27:12,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 93. [2019-01-01 18:27:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-01-01 18:27:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2019-01-01 18:27:12,750 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 28 [2019-01-01 18:27:12,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:12,751 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2019-01-01 18:27:12,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:27:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2019-01-01 18:27:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-01 18:27:12,752 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:12,752 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:12,758 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:27:12,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:12,758 INFO L82 PathProgramCache]: Analyzing trace with hash 335072803, now seen corresponding path program 1 times [2019-01-01 18:27:12,758 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:12,759 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:12,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:12,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:12,886 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-01 18:27:12,897 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:12,912 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2019-01-01 18:27:12,913 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-01-01 18:27:12,936 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-01 18:27:12,969 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-01 18:27:12,975 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:12,987 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-01 18:27:12,994 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-01 18:27:12,994 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:13,019 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:13,023 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:13,036 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-01 18:27:13,037 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2019-01-01 18:27:13,075 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:27:13,108 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:27:13,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2019-01-01 18:27:13,170 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2019-01-01 18:27:14,489 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-01 18:27:14,519 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:14,523 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2019-01-01 18:27:14,524 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:14,651 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:14,653 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:14,654 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2019-01-01 18:27:14,655 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:14,813 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2019-01-01 18:27:14,814 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:14,919 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:14,921 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:14,922 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2019-01-01 18:27:14,923 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:15,016 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:15,020 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:15,022 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:15,024 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2019-01-01 18:27:15,025 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:15,127 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:15,131 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:15,152 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 37 [2019-01-01 18:27:15,153 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2019-01-01 18:27:15,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:27:15,279 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:93, output treesize:40 [2019-01-01 18:27:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:15,399 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:15,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:15,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:27:15,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:27:15,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:27:15,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-01 18:27:15,406 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 9 states. [2019-01-01 18:27:15,691 WARN L181 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-01-01 18:27:15,877 WARN L181 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-01-01 18:27:22,394 WARN L181 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 36 [2019-01-01 18:27:25,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:25,142 INFO L93 Difference]: Finished difference Result 107 states and 118 transitions. [2019-01-01 18:27:25,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-01 18:27:25,143 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2019-01-01 18:27:25,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:25,146 INFO L225 Difference]: With dead ends: 107 [2019-01-01 18:27:25,146 INFO L226 Difference]: Without dead ends: 107 [2019-01-01 18:27:25,147 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=59, Invalid=124, Unknown=3, NotChecked=24, Total=210 [2019-01-01 18:27:25,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-01-01 18:27:25,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 92. [2019-01-01 18:27:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-01-01 18:27:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 103 transitions. [2019-01-01 18:27:25,153 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 103 transitions. Word has length 28 [2019-01-01 18:27:25,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:25,154 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 103 transitions. [2019-01-01 18:27:25,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:27:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2019-01-01 18:27:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 18:27:25,156 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:25,156 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:25,158 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:27:25,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:25,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1266276518, now seen corresponding path program 1 times [2019-01-01 18:27:25,161 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:25,161 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:25,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:25,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:25,276 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-01 18:27:25,288 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:25,301 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-01 18:27:25,308 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-01 18:27:25,308 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:25,339 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:25,345 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:25,359 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-01 18:27:25,360 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-01 18:27:25,433 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:27:25,466 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:27:25,498 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-01 18:27:25,498 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-01 18:27:25,556 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-01 18:27:25,556 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:25,560 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:27:25,561 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-01-01 18:27:25,653 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:25,654 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2019-01-01 18:27:25,654 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:25,683 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:25,684 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2019-01-01 18:27:25,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:25,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-01 18:27:25,695 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:16 [2019-01-01 18:27:26,728 WARN L860 $PredicateComparison]: unable to prove that (exists ((probe2_6_~p~0.base (_ BitVec 32))) (and (not (= probe2_6_~p~0.base (_ bv0 32))) (= (store |c_old(#valid)| probe2_6_~p~0.base (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| probe2_6_~p~0.base)))) is different from true [2019-01-01 18:27:26,735 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:26,736 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:26,737 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2019-01-01 18:27:26,738 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:26,751 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-01 18:27:26,751 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:16 [2019-01-01 18:27:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:26,780 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:26,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:26,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-01-01 18:27:26,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-01 18:27:26,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-01 18:27:26,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=81, Unknown=1, NotChecked=18, Total=132 [2019-01-01 18:27:26,787 INFO L87 Difference]: Start difference. First operand 92 states and 103 transitions. Second operand 12 states. [2019-01-01 18:28:10,002 WARN L181 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-01-01 18:28:30,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:28:30,385 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2019-01-01 18:28:30,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-01 18:28:30,386 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-01-01 18:28:30,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:28:30,387 INFO L225 Difference]: With dead ends: 107 [2019-01-01 18:28:30,387 INFO L226 Difference]: Without dead ends: 104 [2019-01-01 18:28:30,388 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=79, Invalid=261, Unknown=6, NotChecked=34, Total=380 [2019-01-01 18:28:30,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-01-01 18:28:30,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 93. [2019-01-01 18:28:30,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-01-01 18:28:30,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 104 transitions. [2019-01-01 18:28:30,393 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 104 transitions. Word has length 29 [2019-01-01 18:28:30,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:28:30,394 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 104 transitions. [2019-01-01 18:28:30,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-01 18:28:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2019-01-01 18:28:30,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 18:28:30,396 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:28:30,396 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:28:30,397 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:28:30,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:28:30,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1266276517, now seen corresponding path program 1 times [2019-01-01 18:28:30,397 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:28:30,397 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:28:30,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:28:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:28:30,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:28:30,555 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-01 18:28:30,573 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:30,594 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-01 18:28:30,605 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:30,611 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:30,641 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-01 18:28:30,642 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-01 18:28:30,687 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-01-01 18:28:30,688 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:30,717 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:28:30,747 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:28:30,788 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-01 18:28:30,795 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:30,811 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2019-01-01 18:28:30,811 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2019-01-01 18:28:30,831 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-01 18:28:30,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2019-01-01 18:28:30,891 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2019-01-01 18:28:31,085 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2019-01-01 18:28:31,086 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:31,358 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:31,359 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:31,360 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2019-01-01 18:28:31,361 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:31,409 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:31,410 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:31,412 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2019-01-01 18:28:31,413 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:31,477 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2019-01-01 18:28:31,477 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:31,494 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:28:31,494 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:69, output treesize:10 [2019-01-01 18:28:34,798 WARN L181 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 18:28:34,806 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:28:34,806 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:34,816 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-01 18:28:34,816 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:34,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:28:34,823 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:15, output treesize:3 [2019-01-01 18:28:36,868 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:36,881 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:36,887 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:36,906 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 47 [2019-01-01 18:28:36,907 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-01-01 18:28:37,134 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:37,136 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:37,137 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2019-01-01 18:28:37,138 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:37,141 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:37,143 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:37,144 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2019-01-01 18:28:37,144 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:37,309 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:37,314 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2019-01-01 18:28:37,314 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:37,449 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:37,452 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2019-01-01 18:28:37,453 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:37,574 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:37,575 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:37,576 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2019-01-01 18:28:37,576 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:37,686 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:37,688 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:37,691 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:28:37,692 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2019-01-01 18:28:37,693 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-01-01 18:28:37,799 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:28:37,799 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:91, output treesize:40 [2019-01-01 18:28:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:28:39,838 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:28:39,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:28:39,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:28:39,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 18:28:39,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 18:28:39,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=23, Unknown=3, NotChecked=0, Total=42 [2019-01-01 18:28:39,842 INFO L87 Difference]: Start difference. First operand 93 states and 104 transitions. Second operand 7 states. [2019-01-01 18:28:49,128 WARN L181 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-01-01 18:29:00,440 WARN L181 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 20 [2019-01-01 18:29:35,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:29:35,755 INFO L93 Difference]: Finished difference Result 112 states and 120 transitions. [2019-01-01 18:29:35,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:29:35,756 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2019-01-01 18:29:35,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:29:35,758 INFO L225 Difference]: With dead ends: 112 [2019-01-01 18:29:35,758 INFO L226 Difference]: Without dead ends: 111 [2019-01-01 18:29:35,758 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 23.8s TimeCoverageRelationStatistics Valid=40, Invalid=61, Unknown=9, NotChecked=0, Total=110 [2019-01-01 18:29:35,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-01-01 18:29:35,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 78. [2019-01-01 18:29:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-01-01 18:29:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2019-01-01 18:29:35,765 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 29 [2019-01-01 18:29:35,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:29:35,765 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2019-01-01 18:29:35,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 18:29:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2019-01-01 18:29:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-01 18:29:35,769 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:29:35,769 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] [2019-01-01 18:29:35,769 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:29:35,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:29:35,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1415979175, now seen corresponding path program 1 times [2019-01-01 18:29:35,771 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:29:35,771 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:29:35,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:29:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:29:35,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:29:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:29:35,910 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:29:35,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:29:35,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:29:35,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:29:35,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:29:35,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:29:35,917 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand 6 states. [2019-01-01 18:29:35,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:29:35,953 INFO L93 Difference]: Finished difference Result 89 states and 92 transitions. [2019-01-01 18:29:35,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:29:35,956 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-01-01 18:29:35,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:29:35,957 INFO L225 Difference]: With dead ends: 89 [2019-01-01 18:29:35,957 INFO L226 Difference]: Without dead ends: 82 [2019-01-01 18:29:35,957 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:29:35,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-01-01 18:29:35,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2019-01-01 18:29:35,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-01 18:29:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 81 transitions. [2019-01-01 18:29:35,961 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 81 transitions. Word has length 31 [2019-01-01 18:29:35,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:29:35,962 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 81 transitions. [2019-01-01 18:29:35,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:29:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2019-01-01 18:29:35,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-01 18:29:35,965 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:29:35,965 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] [2019-01-01 18:29:35,965 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION]=== [2019-01-01 18:29:35,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:29:35,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1576141379, now seen corresponding path program 1 times [2019-01-01 18:29:35,966 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:29:35,966 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:29:35,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:29:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:29:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:29:36,224 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:29:36,252 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 18:29:36,266 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:29:36,269 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:29:36,269 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-01 18:29:36,269 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-01 18:29:36,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:29:36 BoogieIcfgContainer [2019-01-01 18:29:36,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:29:36,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:29:36,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:29:36,286 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:29:36,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:27:02" (3/4) ... [2019-01-01 18:29:36,296 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 18:29:36,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:29:36,297 INFO L168 Benchmark]: Toolchain (without parser) took 158363.76 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.5 MB). Free memory was 940.6 MB in the beginning and 961.7 MB in the end (delta: -21.1 MB). Peak memory consumption was 292.4 MB. Max. memory is 11.5 GB. [2019-01-01 18:29:36,298 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:29:36,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 949.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-01-01 18:29:36,302 INFO L168 Benchmark]: Boogie Preprocessor took 104.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 18:29:36,302 INFO L168 Benchmark]: RCFGBuilder took 3078.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. [2019-01-01 18:29:36,303 INFO L168 Benchmark]: TraceAbstraction took 154216.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.2 MB). Free memory was 1.0 GB in the beginning and 961.7 MB in the end (delta: 39.7 MB). Peak memory consumption was 205.9 MB. Max. memory is 11.5 GB. [2019-01-01 18:29:36,303 INFO L168 Benchmark]: Witness Printer took 10.64 ms. Allocated memory is still 1.3 GB. Free memory is still 961.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:29:36,309 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 949.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3078.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 154216.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.2 MB). Free memory was 1.0 GB in the beginning and 961.7 MB in the end (delta: 39.7 MB). Peak memory consumption was 205.9 MB. Max. memory is 11.5 GB. * Witness Printer took 10.64 ms. Allocated memory is still 1.3 GB. Free memory is still 961.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1478]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1478. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1467] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={4:0}, ldv_global_msg_list={5:0}] [L1479] CALL entry_point() VAL [a6={4:0}, ldv_global_msg_list={5:0}] [L1471] CALL, EXPR probe2_6(&a6) VAL [a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}] [L1444] int ret = - -3; VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, ret=3] [L1445] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={4:0}, ldv_global_msg_list={5:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={7:0}, a6={4:0}, ldv_global_msg_list={5:0}, malloc(size)={7:0}, size=4] [L1445] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, ldv_malloc(sizeof(int))={7:0}, ret=3] [L1445] int *p = (int *)ldv_malloc(sizeof(int)); [L1446] COND FALSE !(p==0) VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, p={7:0}, ret=3] [L1448] CALL, EXPR f6() VAL [a6={4:0}, ldv_global_msg_list={5:0}] [L1435] return __VERIFIER_nondet_int(); [L1448] RET, EXPR f6() VAL [a={4:0}, a={4:0}, a6={4:0}, f6()=0, ldv_global_msg_list={5:0}, p={7:0}, ret=3] [L1448] ret = f6() [L1449] COND FALSE !(ret<0) VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, p={7:0}, ret=0] [L1451] CALL, EXPR g6() VAL [a6={4:0}, ldv_global_msg_list={5:0}] [L1439] return __VERIFIER_nondet_int(); [L1451] RET, EXPR g6() VAL [a={4:0}, a={4:0}, a6={4:0}, g6()=-2147483648, ldv_global_msg_list={5:0}, p={7:0}, ret=0] [L1451] ret = g6() [L1452] COND TRUE ret<0 [L1453] return ret; VAL [\result=-2147483648, a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, p={7:0}, ret=2147483648] [L1471] RET, EXPR probe2_6(&a6) VAL [a6={4:0}, ldv_global_msg_list={5:0}, probe2_6(&a6)=-2147483648] [L1471] int ret = probe2_6(&a6); [L1472] COND FALSE !(ret==0) VAL [a6={4:0}, ldv_global_msg_list={5:0}, ret=2147483648] [L1475] a6.p = 0 VAL [a6={4:0}, ldv_global_msg_list={5:0}, ret=2147483648] [L1479] RET entry_point() VAL [a6={4:0}, ldv_global_msg_list={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 359 locations, 83 error locations. UNSAFE Result, 154.1s OverallTime, 14 OverallIterations, 1 TraceHistogramMax, 135.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 849 SDtfs, 902 SDslu, 1871 SDs, 0 SdLazy, 1066 SolverSat, 259 SolverUnsat, 49 SolverUnknown, 0 SolverNotchecked, 90.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 335 GetRequests, 232 SyntacticMatches, 16 SemanticMatches, 87 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 55.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred 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, 13 MinimizatonAttempts, 150 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 306 ConstructedInterpolants, 42 QuantifiedInterpolants, 56346 SizeOfPredicates, 48 NumberOfNonLiveVariables, 1406 ConjunctsInSsa, 136 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...