./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test13_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_test13_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 ba5476636e8902440a35b69190524704fd5af5c4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_test13_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 ba5476636e8902440a35b69190524704fd5af5c4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:19:41,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:19:41,853 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:19:41,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:19:41,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:19:41,872 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:19:41,873 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:19:41,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:19:41,877 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:19:41,877 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:19:41,878 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:19:41,879 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:19:41,879 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:19:41,880 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:19:41,881 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:19:41,882 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:19:41,883 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:19:41,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:19:41,890 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:19:41,891 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:19:41,895 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:19:41,896 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:19:41,898 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:19:41,899 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:19:41,899 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:19:41,900 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:19:41,901 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:19:41,902 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:19:41,902 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:19:41,904 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:19:41,904 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:19:41,905 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:19:41,905 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:19:41,905 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:19:41,906 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:19:41,907 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:19:41,907 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 18:19:41,922 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:19:41,923 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:19:41,924 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:19:41,924 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:19:41,924 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:19:41,924 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:19:41,925 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:19:41,925 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:19:41,925 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:19:41,925 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:19:41,925 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:19:41,926 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:19:41,926 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:19:41,926 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:19:41,926 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:19:41,926 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:19:41,927 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:19:41,927 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:19:41,927 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:19:41,927 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:19:41,927 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:19:41,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:19:41,928 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:19:41,928 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:19:41,928 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 18:19:41,928 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:19:41,928 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 -> ba5476636e8902440a35b69190524704fd5af5c4 [2019-01-01 18:19:41,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:19:41,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:19:41,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:19:42,000 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:19:42,001 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:19:42,002 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-01 18:19:42,072 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f954bf3/182a45ecd63a412697956afe1b41b723/FLAG83c6acc2c [2019-01-01 18:19:42,689 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:19:42,690 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-01 18:19:42,710 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f954bf3/182a45ecd63a412697956afe1b41b723/FLAG83c6acc2c [2019-01-01 18:19:42,896 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f954bf3/182a45ecd63a412697956afe1b41b723 [2019-01-01 18:19:42,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:19:42,902 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:19:42,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:19:42,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:19:42,910 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:19:42,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:19:42" (1/1) ... [2019-01-01 18:19:42,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d6ab61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:19:42, skipping insertion in model container [2019-01-01 18:19:42,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:19:42" (1/1) ... [2019-01-01 18:19:42,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:19:42,997 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:19:43,538 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:19:43,567 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:19:43,744 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:19:43,844 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:19:43,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:19:43 WrapperNode [2019-01-01 18:19:43,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:19:43,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:19:43,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:19:43,845 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:19:43,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:19:43" (1/1) ... [2019-01-01 18:19:43,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:19:43" (1/1) ... [2019-01-01 18:19:43,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:19:43" (1/1) ... [2019-01-01 18:19:43,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:19:43" (1/1) ... [2019-01-01 18:19:43,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:19:43" (1/1) ... [2019-01-01 18:19:43,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:19:43" (1/1) ... [2019-01-01 18:19:43,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:19:43" (1/1) ... [2019-01-01 18:19:43,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:19:43,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:19:43,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:19:43,977 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:19:43,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:19:43" (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 18:19:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:19:44,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:19:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:19:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:19:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:19:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:19:44,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:19:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:19:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:19:44,050 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:19:44,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:19:44,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:19:44,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:19:44,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:19:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:19:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:19:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:19:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:19:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:19:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:19:44,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:19:44,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:19:44,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:19:44,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:19:44,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:19:44,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:19:44,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:19:44,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:19:44,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:19:44,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:19:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:19:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:19:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:19:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:19:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:19:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:19:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:19:44,056 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:19:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2019-01-01 18:19:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:19:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:19:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:19:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:19:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:19:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:19:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:19:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:19:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:19:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:19:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:19:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:19:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:19:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:19:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:19:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:19:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:19:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:19:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:19:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:19:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:19:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:19:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:19:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:19:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:19:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:19:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:19:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:19:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:19:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:19:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:19:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:19:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:19:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:19:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:19:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:19:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:19:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:19:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:19:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:19:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:19:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:19:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:19:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:19:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:19:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:19:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:19:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:19:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:19:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:19:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:19:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:19:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:19:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:19:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:19:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:19:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:19:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:19:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:19:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:19:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:19:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:19:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:19:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:19:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:19:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:19:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:19:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:19:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:19:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:19:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:19:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:19:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:19:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:19:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:19:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:19:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:19:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:19:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:19:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:19:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:19:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:19:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:19:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:19:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:19:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:19:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:19:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:19:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:19:44,073 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:19:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:19:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:19:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:19:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:19:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:19:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:19:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:19:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:19:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:19:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:19:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:19:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:19:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:19:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:19:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:19:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:19:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:19:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:19:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:19:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:19:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:19:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:19:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:19:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:19:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:19:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:19:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:19:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:19:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:19:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:19:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:19:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:19:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:19:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:19:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:19:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:19:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:19:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:19:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:19:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:19:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:19:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:19:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:19:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:19:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:19:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:19:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 18:19:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 18:19:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:19:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:19:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:19:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:19:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:19:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:19:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:19:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:19:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:19:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:19:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:19:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:19:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:19:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:19:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:19:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:19:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:19:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2019-01-01 18:19:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:19:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:19:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:19:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:19:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:19:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:19:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:19:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:19:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-01 18:19:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-01 18:19:44,805 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:19:45,687 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:19:46,176 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:19:46,176 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-01 18:19:46,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:19:46 BoogieIcfgContainer [2019-01-01 18:19:46,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:19:46,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:19:46,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:19:46,182 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:19:46,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:19:42" (1/3) ... [2019-01-01 18:19:46,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a031dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:19:46, skipping insertion in model container [2019-01-01 18:19:46,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:19:43" (2/3) ... [2019-01-01 18:19:46,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a031dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:19:46, skipping insertion in model container [2019-01-01 18:19:46,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:19:46" (3/3) ... [2019-01-01 18:19:46,187 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-01 18:19:46,197 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:19:46,206 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-01-01 18:19:46,224 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-01-01 18:19:46,251 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:19:46,252 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:19:46,252 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:19:46,252 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:19:46,253 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:19:46,253 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:19:46,253 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:19:46,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:19:46,253 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:19:46,276 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-01-01 18:19:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:19:46,287 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:46,288 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:19:46,292 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:46,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:46,300 INFO L82 PathProgramCache]: Analyzing trace with hash 547879548, now seen corresponding path program 1 times [2019-01-01 18:19:46,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:46,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:46,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:46,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:46,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:46,951 WARN L181 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-01 18:19:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:19:47,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:47,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:19:47,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:19:47,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:19:47,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:19:47,226 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 8 states. [2019-01-01 18:19:47,618 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-01 18:19:48,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:48,338 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2019-01-01 18:19:48,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:19:48,341 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-01-01 18:19:48,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:48,352 INFO L225 Difference]: With dead ends: 67 [2019-01-01 18:19:48,352 INFO L226 Difference]: Without dead ends: 61 [2019-01-01 18:19:48,354 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-01-01 18:19:48,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-01 18:19:48,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-01-01 18:19:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-01 18:19:48,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2019-01-01 18:19:48,404 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 17 [2019-01-01 18:19:48,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:48,405 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2019-01-01 18:19:48,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:19:48,405 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2019-01-01 18:19:48,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:19:48,406 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:48,406 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:19:48,408 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:48,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:48,409 INFO L82 PathProgramCache]: Analyzing trace with hash 547879549, now seen corresponding path program 1 times [2019-01-01 18:19:48,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:48,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:48,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:48,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:48,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:48,633 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 18:19:48,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:48,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:19:48,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:19:48,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:19:48,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:19:48,637 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 8 states. [2019-01-01 18:19:49,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:49,104 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2019-01-01 18:19:49,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:19:49,106 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-01-01 18:19:49,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:49,108 INFO L225 Difference]: With dead ends: 60 [2019-01-01 18:19:49,108 INFO L226 Difference]: Without dead ends: 60 [2019-01-01 18:19:49,109 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-01-01 18:19:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-01 18:19:49,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-01-01 18:19:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-01 18:19:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2019-01-01 18:19:49,123 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 17 [2019-01-01 18:19:49,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:49,123 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2019-01-01 18:19:49,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:19:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2019-01-01 18:19:49,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-01 18:19:49,126 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:49,126 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:19:49,126 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:49,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:49,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1848131426, now seen corresponding path program 1 times [2019-01-01 18:19:49,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:49,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:49,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:49,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:49,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:49,219 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 18:19:49,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:49,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:19:49,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:19:49,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:19:49,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:19:49,220 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 5 states. [2019-01-01 18:19:49,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:49,242 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-01-01 18:19:49,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:19:49,242 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-01-01 18:19:49,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:49,244 INFO L225 Difference]: With dead ends: 60 [2019-01-01 18:19:49,244 INFO L226 Difference]: Without dead ends: 60 [2019-01-01 18:19:49,244 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 18:19:49,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-01 18:19:49,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-01-01 18:19:49,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-01 18:19:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2019-01-01 18:19:49,254 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 19 [2019-01-01 18:19:49,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:49,255 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2019-01-01 18:19:49,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:19:49,255 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2019-01-01 18:19:49,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:19:49,256 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:49,256 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 18:19:49,257 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:49,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:49,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1004223487, now seen corresponding path program 1 times [2019-01-01 18:19:49,257 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:49,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:49,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:49,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:49,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:49,429 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 18:19:49,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:49,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:19:49,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:19:49,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:19:49,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:19:49,430 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 8 states. [2019-01-01 18:19:49,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:49,715 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-01-01 18:19:49,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:19:49,716 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-01-01 18:19:49,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:49,718 INFO L225 Difference]: With dead ends: 71 [2019-01-01 18:19:49,718 INFO L226 Difference]: Without dead ends: 69 [2019-01-01 18:19:49,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2019-01-01 18:19:49,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-01-01 18:19:49,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2019-01-01 18:19:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-01 18:19:49,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-01-01 18:19:49,729 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 20 [2019-01-01 18:19:49,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:49,729 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2019-01-01 18:19:49,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:19:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2019-01-01 18:19:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:19:49,732 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:49,732 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 18:19:49,733 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:49,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:49,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1004223488, now seen corresponding path program 1 times [2019-01-01 18:19:49,733 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:49,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:49,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:49,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:49,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:50,249 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 18:19:50,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:50,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-01 18:19:50,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-01 18:19:50,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-01 18:19:50,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-01-01 18:19:50,251 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 11 states. [2019-01-01 18:19:50,471 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-01-01 18:19:50,834 WARN L181 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-01-01 18:19:51,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:51,645 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2019-01-01 18:19:51,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-01 18:19:51,646 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2019-01-01 18:19:51,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:51,647 INFO L225 Difference]: With dead ends: 68 [2019-01-01 18:19:51,648 INFO L226 Difference]: Without dead ends: 68 [2019-01-01 18:19:51,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2019-01-01 18:19:51,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-01 18:19:51,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2019-01-01 18:19:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-01 18:19:51,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2019-01-01 18:19:51,656 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 20 [2019-01-01 18:19:51,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:51,657 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2019-01-01 18:19:51,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-01 18:19:51,657 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2019-01-01 18:19:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-01 18:19:51,658 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:51,658 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:19:51,659 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:51,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:51,659 INFO L82 PathProgramCache]: Analyzing trace with hash -2044644931, now seen corresponding path program 1 times [2019-01-01 18:19:51,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:51,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:51,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:51,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:51,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:51,856 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 18:19:51,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:51,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:19:51,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:19:51,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:19:51,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:19:51,858 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 6 states. [2019-01-01 18:19:52,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:52,083 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2019-01-01 18:19:52,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 18:19:52,085 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-01-01 18:19:52,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:52,086 INFO L225 Difference]: With dead ends: 62 [2019-01-01 18:19:52,086 INFO L226 Difference]: Without dead ends: 62 [2019-01-01 18:19:52,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:19:52,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-01 18:19:52,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-01-01 18:19:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-01 18:19:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2019-01-01 18:19:52,093 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 19 [2019-01-01 18:19:52,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:52,094 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2019-01-01 18:19:52,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:19:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2019-01-01 18:19:52,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-01 18:19:52,096 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:52,096 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:19:52,097 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:52,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:52,097 INFO L82 PathProgramCache]: Analyzing trace with hash -2044644930, now seen corresponding path program 1 times [2019-01-01 18:19:52,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:52,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:52,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:52,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:52,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:52,341 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 18:19:52,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:52,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:19:52,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:19:52,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:19:52,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:19:52,343 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 6 states. [2019-01-01 18:19:52,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:52,744 INFO L93 Difference]: Finished difference Result 86 states and 85 transitions. [2019-01-01 18:19:52,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 18:19:52,745 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-01-01 18:19:52,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:52,747 INFO L225 Difference]: With dead ends: 86 [2019-01-01 18:19:52,747 INFO L226 Difference]: Without dead ends: 67 [2019-01-01 18:19:52,748 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:19:52,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-01-01 18:19:52,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2019-01-01 18:19:52,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-01 18:19:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2019-01-01 18:19:52,755 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 19 [2019-01-01 18:19:52,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:52,755 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2019-01-01 18:19:52,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:19:52,755 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2019-01-01 18:19:52,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-01 18:19:52,758 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:52,759 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] [2019-01-01 18:19:52,759 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:52,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:52,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1066157070, now seen corresponding path program 1 times [2019-01-01 18:19:52,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:52,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:52,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:52,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:52,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:52,932 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 18:19:52,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:52,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:19:52,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:19:52,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:19:52,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:19:52,934 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 9 states. [2019-01-01 18:19:53,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:53,148 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2019-01-01 18:19:53,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:19:53,149 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2019-01-01 18:19:53,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:53,151 INFO L225 Difference]: With dead ends: 64 [2019-01-01 18:19:53,151 INFO L226 Difference]: Without dead ends: 64 [2019-01-01 18:19:53,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-01-01 18:19:53,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-01 18:19:53,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2019-01-01 18:19:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-01 18:19:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2019-01-01 18:19:53,158 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 21 [2019-01-01 18:19:53,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:53,159 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2019-01-01 18:19:53,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:19:53,159 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2019-01-01 18:19:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-01 18:19:53,160 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:53,160 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] [2019-01-01 18:19:53,160 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:53,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:53,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1066157071, now seen corresponding path program 1 times [2019-01-01 18:19:53,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:53,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:53,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:53,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:53,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:53,325 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 18:19:53,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:53,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-01 18:19:53,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-01 18:19:53,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-01 18:19:53,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-01-01 18:19:53,327 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 10 states. [2019-01-01 18:19:53,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:53,584 INFO L93 Difference]: Finished difference Result 62 states and 61 transitions. [2019-01-01 18:19:53,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:19:53,593 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2019-01-01 18:19:53,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:53,594 INFO L225 Difference]: With dead ends: 62 [2019-01-01 18:19:53,594 INFO L226 Difference]: Without dead ends: 62 [2019-01-01 18:19:53,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-01-01 18:19:53,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-01 18:19:53,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-01-01 18:19:53,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-01 18:19:53,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2019-01-01 18:19:53,605 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 21 [2019-01-01 18:19:53,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:53,605 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2019-01-01 18:19:53,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-01 18:19:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-01-01 18:19:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-01 18:19:53,606 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:53,606 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] [2019-01-01 18:19:53,609 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:53,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:53,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1195239789, now seen corresponding path program 1 times [2019-01-01 18:19:53,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:53,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:53,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:53,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:53,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:53,795 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 18:19:53,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:53,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:19:53,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:19:53,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:19:53,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:19:53,797 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 5 states. [2019-01-01 18:19:53,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:53,806 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2019-01-01 18:19:53,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:19:53,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-01-01 18:19:53,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:53,811 INFO L225 Difference]: With dead ends: 48 [2019-01-01 18:19:53,811 INFO L226 Difference]: Without dead ends: 44 [2019-01-01 18:19:53,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:19:53,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-01-01 18:19:53,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-01-01 18:19:53,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-01-01 18:19:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2019-01-01 18:19:53,817 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 21 [2019-01-01 18:19:53,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:53,817 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2019-01-01 18:19:53,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:19:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2019-01-01 18:19:53,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:19:53,818 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:53,818 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 18:19:53,818 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:53,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:53,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1920237935, now seen corresponding path program 1 times [2019-01-01 18:19:53,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:53,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:53,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:53,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:53,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:53,901 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 18:19:53,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:53,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:19:53,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:19:53,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:19:53,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:19:53,903 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 5 states. [2019-01-01 18:19:53,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:53,966 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2019-01-01 18:19:53,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:19:53,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-01 18:19:53,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:53,969 INFO L225 Difference]: With dead ends: 43 [2019-01-01 18:19:53,969 INFO L226 Difference]: Without dead ends: 43 [2019-01-01 18:19:53,969 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:19:53,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-01 18:19:53,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-01 18:19:53,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-01 18:19:53,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2019-01-01 18:19:53,974 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 23 [2019-01-01 18:19:53,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:53,975 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2019-01-01 18:19:53,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:19:53,975 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-01-01 18:19:53,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:19:53,975 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:53,975 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 18:19:53,976 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:53,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:53,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1920237934, now seen corresponding path program 1 times [2019-01-01 18:19:53,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:53,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:53,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:53,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:53,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:54,474 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 18:19:54,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:54,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-01 18:19:54,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-01 18:19:54,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-01 18:19:54,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-01-01 18:19:54,476 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 10 states. [2019-01-01 18:19:54,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:54,942 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-01-01 18:19:54,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:19:54,943 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-01-01 18:19:54,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:54,945 INFO L225 Difference]: With dead ends: 42 [2019-01-01 18:19:54,945 INFO L226 Difference]: Without dead ends: 42 [2019-01-01 18:19:54,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2019-01-01 18:19:54,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-01-01 18:19:54,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-01-01 18:19:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-01 18:19:54,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2019-01-01 18:19:54,950 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 23 [2019-01-01 18:19:54,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:54,954 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2019-01-01 18:19:54,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-01 18:19:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2019-01-01 18:19:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-01 18:19:54,955 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:54,955 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:19:54,956 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:54,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:54,956 INFO L82 PathProgramCache]: Analyzing trace with hash 87540733, now seen corresponding path program 1 times [2019-01-01 18:19:54,956 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:54,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:54,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:54,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:54,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:55,385 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-01 18:19:55,603 WARN L181 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-01 18:19:55,878 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 18:19:55,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:55,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-01-01 18:19:55,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-01 18:19:55,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-01 18:19:55,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-01-01 18:19:55,882 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 14 states. [2019-01-01 18:19:56,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:56,398 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2019-01-01 18:19:56,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-01 18:19:56,400 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2019-01-01 18:19:56,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:56,402 INFO L225 Difference]: With dead ends: 41 [2019-01-01 18:19:56,402 INFO L226 Difference]: Without dead ends: 41 [2019-01-01 18:19:56,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2019-01-01 18:19:56,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-01-01 18:19:56,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-01-01 18:19:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-01 18:19:56,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2019-01-01 18:19:56,414 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 33 [2019-01-01 18:19:56,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:56,416 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2019-01-01 18:19:56,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-01 18:19:56,416 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2019-01-01 18:19:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-01 18:19:56,417 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:56,417 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] [2019-01-01 18:19:56,418 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:56,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:56,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1581204566, now seen corresponding path program 1 times [2019-01-01 18:19:56,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:56,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:56,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:56,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:56,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:19:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:19:56,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:19:56,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-01-01 18:19:56,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-01-01 18:19:56,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-01-01 18:19:56,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2019-01-01 18:19:56,816 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 15 states. [2019-01-01 18:19:57,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:19:57,352 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2019-01-01 18:19:57,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-01 18:19:57,354 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 34 [2019-01-01 18:19:57,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:19:57,355 INFO L225 Difference]: With dead ends: 40 [2019-01-01 18:19:57,355 INFO L226 Difference]: Without dead ends: 40 [2019-01-01 18:19:57,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2019-01-01 18:19:57,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-01-01 18:19:57,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-01-01 18:19:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-01 18:19:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2019-01-01 18:19:57,361 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 34 [2019-01-01 18:19:57,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:19:57,361 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2019-01-01 18:19:57,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-01-01 18:19:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2019-01-01 18:19:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-01 18:19:57,364 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:19:57,364 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:19:57,364 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:19:57,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:19:57,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1278834439, now seen corresponding path program 1 times [2019-01-01 18:19:57,367 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:19:57,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:19:57,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:57,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:19:57,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:19:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:19:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:19:57,442 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:19:57,463 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 18:19:57,470 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:19:57,471 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 20 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:19:57,471 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:19:57,471 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:19:57,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:19:57 BoogieIcfgContainer [2019-01-01 18:19:57,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:19:57,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:19:57,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:19:57,491 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:19:57,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:19:46" (3/4) ... [2019-01-01 18:19:57,497 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 18:19:57,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:19:57,498 INFO L168 Benchmark]: Toolchain (without parser) took 14597.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.8 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -253.3 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2019-01-01 18:19:57,501 INFO L168 Benchmark]: CDTParser took 0.18 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 18:19:57,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 940.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-01-01 18:19:57,502 INFO L168 Benchmark]: Boogie Preprocessor took 131.29 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 18:19:57,504 INFO L168 Benchmark]: RCFGBuilder took 2200.43 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: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. [2019-01-01 18:19:57,505 INFO L168 Benchmark]: TraceAbstraction took 11312.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -196.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:19:57,506 INFO L168 Benchmark]: Witness Printer took 6.56 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:19:57,512 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 940.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 131.29 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2200.43 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: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11312.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -196.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 6.56 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 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 20 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1454]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1454. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1455] CALL entry_point() VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1449] CALL alloc_13() VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=12, \result={5:0}, global_list_13={2:0}, ldv_global_msg_list={3:0}, malloc(size)={5:0}, size=12] [L1442] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A13))={5:0}] [L1442] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L1443] COND TRUE \read(*p) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, p={5:0}] [L1444] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={2:0}, head={2:0}, ldv_global_msg_list={3:0}, new={5:4}] [L1121] EXPR head->next VAL [global_list_13={2:0}, head={2:0}, head={2:0}, head->next={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}] [L1121] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, new={5:4}, next={2:0}, prev={2:0}] [L1107] next->prev = new VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}, next={2:0}, next={2:0}, prev={2:0}, prev={2:0}] [L1108] new->next = next VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}, next={2:0}, next={2:0}, prev={2:0}, prev={2:0}] [L1109] new->prev = prev VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}, next={2:0}, next={2:0}, prev={2:0}, prev={2:0}] [L1110] prev->next = new VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}, next={2:0}, next={2:0}, prev={2:0}, prev={2:0}] [L1121] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={2:0}, head={2:0}, head={2:0}, head->next={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}] [L1444] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, p={5:0}] [L1449] RET alloc_13() VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1451] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, list={2:0}] [L1099] list->next = list VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, list={2:0}, list={2:0}] [L1100] list->prev = list VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, list={2:0}, list={2:0}] [L1451] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1455] RET entry_point() VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 321 locations, 71 error locations. UNSAFE Result, 11.2s OverallTime, 15 OverallIterations, 1 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 505 SDtfs, 606 SDslu, 1506 SDs, 0 SdLazy, 1831 SolverSat, 246 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 20 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 48211 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 18:19:59,930 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:19:59,932 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:19:59,944 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:19:59,944 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:19:59,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:19:59,947 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:19:59,949 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:19:59,950 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:19:59,951 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:19:59,952 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:19:59,953 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:19:59,954 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:19:59,955 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:19:59,956 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:19:59,957 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:19:59,958 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:19:59,960 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:19:59,963 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:19:59,964 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:19:59,966 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:19:59,967 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:19:59,970 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:19:59,970 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:19:59,970 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:19:59,971 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:19:59,972 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:19:59,974 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:19:59,974 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:19:59,976 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:19:59,976 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:19:59,977 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:19:59,977 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:19:59,977 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:19:59,979 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:19:59,980 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:19:59,980 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-01 18:19:59,995 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:19:59,996 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:19:59,997 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:19:59,997 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:19:59,997 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:19:59,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:19:59,998 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:19:59,999 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:19:59,999 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:19:59,999 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:19:59,999 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:19:59,999 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:19:59,999 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:20:00,000 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:20:00,000 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:20:00,000 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-01 18:20:00,000 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-01 18:20:00,000 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:20:00,000 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:20:00,002 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:20:00,002 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:20:00,002 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:20:00,003 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:20:00,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:20:00,003 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:20:00,003 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:20:00,004 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-01 18:20:00,004 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:20:00,004 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-01 18:20:00,004 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 -> ba5476636e8902440a35b69190524704fd5af5c4 [2019-01-01 18:20:00,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:20:00,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:20:00,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:20:00,060 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:20:00,061 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:20:00,062 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-01 18:20:00,126 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824d7d80a/d11a4462e0584a99af64fa42d4eb5483/FLAGc5a5529e6 [2019-01-01 18:20:00,682 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:20:00,683 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-01 18:20:00,700 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824d7d80a/d11a4462e0584a99af64fa42d4eb5483/FLAGc5a5529e6 [2019-01-01 18:20:00,928 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824d7d80a/d11a4462e0584a99af64fa42d4eb5483 [2019-01-01 18:20:00,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:20:00,932 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:20:00,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:20:00,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:20:00,938 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:20:00,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:20:00" (1/1) ... [2019-01-01 18:20:00,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1ac064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:20:00, skipping insertion in model container [2019-01-01 18:20:00,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:20:00" (1/1) ... [2019-01-01 18:20:00,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:20:01,014 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:20:01,491 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:20:01,528 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:20:01,732 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:20:01,839 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:20:01,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:20:01 WrapperNode [2019-01-01 18:20:01,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:20:01,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:20:01,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:20:01,841 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:20:01,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:20:01" (1/1) ... [2019-01-01 18:20:01,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:20:01" (1/1) ... [2019-01-01 18:20:01,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:20:01" (1/1) ... [2019-01-01 18:20:01,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:20:01" (1/1) ... [2019-01-01 18:20:01,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:20:01" (1/1) ... [2019-01-01 18:20:01,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:20:01" (1/1) ... [2019-01-01 18:20:01,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:20:01" (1/1) ... [2019-01-01 18:20:01,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:20:01,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:20:01,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:20:01,985 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:20:01,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:20:01" (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 18:20:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:20:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:20:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:20:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:20:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:20:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:20:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:20:02,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:20:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:20:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:20:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:20:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:20:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:20:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:20:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:20:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:20:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:20:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:20:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:20:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:20:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:20:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:20:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:20:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:20:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:20:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:20:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:20:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:20:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:20:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:20:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:20:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:20:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:20:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:20:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:20:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:20:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:20:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:20:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2019-01-01 18:20:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:20:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:20:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:20:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:20:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:20:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:20:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:20:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:20:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:20:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:20:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:20:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:20:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:20:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:20:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:20:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:20:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:20:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:20:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:20:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:20:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:20:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:20:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:20:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:20:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:20:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:20:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:20:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:20:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:20:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:20:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:20:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:20:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:20:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:20:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:20:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:20:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:20:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:20:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:20:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:20:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:20:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:20:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:20:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:20:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:20:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:20:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:20:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:20:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:20:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:20:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:20:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:20:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:20:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:20:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:20:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:20:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:20:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:20:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:20:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:20:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:20:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:20:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:20:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:20:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:20:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:20:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:20:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:20:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:20:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:20:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:20:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:20:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:20:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:20:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:20:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:20:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:20:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:20:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:20:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:20:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:20:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:20:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:20:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:20:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:20:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:20:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:20:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:20:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:20:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:20:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:20:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:20:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:20:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:20:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:20:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:20:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:20:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:20:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:20:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:20:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:20:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:20:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:20:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:20:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:20:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:20:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:20:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:20:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:20:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:20:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:20:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:20:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:20:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:20:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:20:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:20:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:20:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:20:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:20:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:20:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:20:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:20:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:20:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:20:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:20:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:20:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:20:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:20:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-01 18:20:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-01 18:20:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:20:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:20:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:20:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:20:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:20:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:20:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:20:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:20:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:20:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:20:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:20:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:20:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:20:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:20:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:20:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:20:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:20:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2019-01-01 18:20:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:20:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:20:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:20:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:20:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:20:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:20:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:20:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:20:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-01 18:20:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-01 18:20:02,848 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:20:03,909 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:20:05,079 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:20:05,079 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-01 18:20:05,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:20:05 BoogieIcfgContainer [2019-01-01 18:20:05,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:20:05,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:20:05,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:20:05,087 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:20:05,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:20:00" (1/3) ... [2019-01-01 18:20:05,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d5c7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:20:05, skipping insertion in model container [2019-01-01 18:20:05,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:20:01" (2/3) ... [2019-01-01 18:20:05,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d5c7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:20:05, skipping insertion in model container [2019-01-01 18:20:05,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:20:05" (3/3) ... [2019-01-01 18:20:05,093 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-01 18:20:05,106 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:20:05,126 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-01-01 18:20:05,146 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-01-01 18:20:05,192 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:20:05,193 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:20:05,193 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:20:05,193 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:20:05,194 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:20:05,194 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:20:05,194 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:20:05,194 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:20:05,194 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:20:05,225 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-01-01 18:20:05,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:20:05,240 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:20:05,241 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:20:05,245 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:20:05,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:20:05,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1829283516, now seen corresponding path program 1 times [2019-01-01 18:20:05,263 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:20:05,265 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 18:20:05,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:20:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:20:05,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:20:05,565 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 18:20:05,619 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:05,767 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 18:20:05,779 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:05,792 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:05,806 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-01 18:20:05,809 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-01 18:20:06,016 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 18:20:06,018 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:06,274 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:20:06,400 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:20:06,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-01 18:20:06,559 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:22, output treesize:71 [2019-01-01 18:20:06,885 WARN L181 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 16 [2019-01-01 18:20:06,918 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 [2019-01-01 18:20:06,937 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 7 treesize of output 1 [2019-01-01 18:20:06,937 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:06,955 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:20:06,981 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:20:06,982 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2019-01-01 18:20:07,155 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 7 treesize of output 1 [2019-01-01 18:20:07,156 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:07,165 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:20:07,165 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2019-01-01 18:20:07,746 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 18:20:07,757 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 18:20:07,757 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:07,821 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 18:20:07,821 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2019-01-01 18:20:07,964 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 18:20:07,964 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:20:07,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:20:07,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:20:07,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:20:08,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:20:08,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=31, Unknown=1, NotChecked=10, Total=56 [2019-01-01 18:20:08,014 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 8 states. [2019-01-01 18:20:11,005 WARN L181 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-01 18:20:17,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:20:17,979 INFO L93 Difference]: Finished difference Result 92 states and 96 transitions. [2019-01-01 18:20:17,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-01 18:20:17,981 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-01-01 18:20:17,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:20:17,996 INFO L225 Difference]: With dead ends: 92 [2019-01-01 18:20:17,996 INFO L226 Difference]: Without dead ends: 80 [2019-01-01 18:20:17,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=54, Invalid=101, Unknown=5, NotChecked=22, Total=182 [2019-01-01 18:20:18,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-01-01 18:20:18,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 61. [2019-01-01 18:20:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-01 18:20:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2019-01-01 18:20:18,050 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 17 [2019-01-01 18:20:18,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:20:18,051 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2019-01-01 18:20:18,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:20:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2019-01-01 18:20:18,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:20:18,053 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:20:18,053 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:20:18,054 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:20:18,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:20:18,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1829283517, now seen corresponding path program 1 times [2019-01-01 18:20:18,055 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:20:18,056 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 18:20:18,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:20:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:20:18,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:20:18,205 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 18:20:18,256 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:18,270 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 18:20:18,278 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:18,289 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:18,300 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 18:20:18,302 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-01 18:20:18,373 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 18:20:18,374 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:18,430 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:20:18,488 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:20:18,571 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 18:20:18,596 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 12 treesize of output 11 [2019-01-01 18:20:18,596 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:18,604 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:20:18,691 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 3 xjuncts. [2019-01-01 18:20:18,691 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:34, output treesize:110 [2019-01-01 18:20:18,900 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2019-01-01 18:20:18,914 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 30 treesize of output 28 [2019-01-01 18:20:18,918 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 7 treesize of output 1 [2019-01-01 18:20:18,918 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:18,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:20:18,980 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 30 treesize of output 28 [2019-01-01 18:20:18,985 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 7 treesize of output 1 [2019-01-01 18:20:18,985 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:18,996 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:20:19,029 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-01-01 18:20:19,030 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:61, output treesize:43 [2019-01-01 18:20:19,173 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:19,175 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:19,176 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 19 [2019-01-01 18:20:19,177 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:19,219 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2019-01-01 18:20:19,220 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:19,264 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 22 treesize of output 15 [2019-01-01 18:20:19,265 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:19,297 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 18:20:19,299 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:19,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:20:19,319 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:55, output treesize:10 [2019-01-01 18:20:25,106 WARN L181 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 18:20:25,121 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:25,123 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:25,128 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:25,129 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 32 treesize of output 23 [2019-01-01 18:20:25,130 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:25,206 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-01-01 18:20:25,207 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:25,271 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:25,273 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:20:25,274 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 18:20:25,275 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 18:20:25,386 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2019-01-01 18:20:25,387 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-01 18:20:25,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-01 18:20:25,458 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:65, output treesize:28 [2019-01-01 18:20:27,629 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 18:20:27,629 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:20:27,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:20:27,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:20:27,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:20:27,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:20:27,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=50, Unknown=4, NotChecked=0, Total=72 [2019-01-01 18:20:27,640 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 9 states. [2019-01-01 18:20:35,565 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-01-01 18:20:47,655 WARN L181 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-01-01 18:21:04,947 WARN L181 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-01-01 18:21:13,053 WARN L181 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-01-01 18:21:53,207 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-01-01 18:22:11,393 WARN L181 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-01-01 18:22:15,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:22:15,666 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2019-01-01 18:22:15,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:22:15,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-01-01 18:22:15,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:22:15,670 INFO L225 Difference]: With dead ends: 79 [2019-01-01 18:22:15,670 INFO L226 Difference]: Without dead ends: 79 [2019-01-01 18:22:15,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 42.5s TimeCoverageRelationStatistics Valid=71, Invalid=152, Unknown=17, NotChecked=0, Total=240 [2019-01-01 18:22:15,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-01-01 18:22:15,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 60. [2019-01-01 18:22:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-01 18:22:15,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2019-01-01 18:22:15,682 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 17 [2019-01-01 18:22:15,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:22:15,683 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2019-01-01 18:22:15,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:22:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2019-01-01 18:22:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-01 18:22:15,684 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:22:15,684 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:22:15,685 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:22:15,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:22:15,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1221327935, now seen corresponding path program 1 times [2019-01-01 18:22:15,686 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:22:15,688 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 18:22:15,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:22:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:22:15,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:22:15,786 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 18:22:15,787 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:22:15,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:22:15,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:22:15,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:22:15,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:22:15,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:22:15,791 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 5 states. [2019-01-01 18:22:15,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:22:15,812 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-01-01 18:22:15,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:22:15,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-01-01 18:22:15,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:22:15,814 INFO L225 Difference]: With dead ends: 60 [2019-01-01 18:22:15,814 INFO L226 Difference]: Without dead ends: 60 [2019-01-01 18:22:15,814 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 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 18:22:15,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-01 18:22:15,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-01-01 18:22:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-01 18:22:15,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2019-01-01 18:22:15,822 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 19 [2019-01-01 18:22:15,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:22:15,822 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2019-01-01 18:22:15,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:22:15,822 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2019-01-01 18:22:15,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:22:15,823 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:22:15,823 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 18:22:15,826 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:22:15,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:22:15,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1640506366, now seen corresponding path program 1 times [2019-01-01 18:22:15,826 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:22:15,827 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 18:22:15,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:22:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:22:15,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:22:16,066 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 treesize of output 5 [2019-01-01 18:22:16,072 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 18:22:16,073 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:22:16,075 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:22:16,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:22:16,088 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2019-01-01 18:22:16,188 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 22 treesize of output 16 [2019-01-01 18:22:16,191 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2019-01-01 18:22:16,192 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:22:16,194 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:22:16,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:22:16,202 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:5 [2019-01-01 18:22:16,248 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 18:22:16,248 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:22:16,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:22:16,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:22:16,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:22:16,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:22:16,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:22:16,251 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 9 states. [2019-01-01 18:22:17,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:22:17,210 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-01-01 18:22:17,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-01 18:22:17,211 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-01-01 18:22:17,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:22:17,212 INFO L225 Difference]: With dead ends: 71 [2019-01-01 18:22:17,212 INFO L226 Difference]: Without dead ends: 69 [2019-01-01 18:22:17,212 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2019-01-01 18:22:17,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-01-01 18:22:17,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2019-01-01 18:22:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-01 18:22:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-01-01 18:22:17,220 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 20 [2019-01-01 18:22:17,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:22:17,221 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2019-01-01 18:22:17,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:22:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2019-01-01 18:22:17,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-01 18:22:17,222 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:22:17,222 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 18:22:17,223 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:22:17,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:22:17,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1640506367, now seen corresponding path program 1 times [2019-01-01 18:22:17,226 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:22:17,226 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 18:22:17,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:22:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:22:17,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:22:17,394 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 18:22:17,410 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:22:17,428 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 18:22:17,452 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:22:17,461 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:22:17,474 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 18:22:17,475 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-01 18:22:17,550 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 18:22:17,550 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:22:17,606 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:22:17,665 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:22:17,750 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 18:22:17,758 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 12 treesize of output 11 [2019-01-01 18:22:17,759 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-01 18:22:17,768 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:22:17,822 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 3 xjuncts. [2019-01-01 18:22:17,823 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:48, output treesize:152 [2019-01-01 18:22:17,997 WARN L181 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2019-01-01 18:22:18,057 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2019-01-01 18:22:18,058 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:22:18,163 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 40 treesize of output 33 [2019-01-01 18:22:18,164 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:22:18,254 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:22:18,254 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:101, output treesize:33 [2019-01-01 18:22:23,762 WARN L181 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 29 [2019-01-01 18:22:23,785 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:22:23,789 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 55 treesize of output 58 [2019-01-01 18:22:23,790 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:22:23,937 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:22:23,939 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:22:23,943 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:22:23,945 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 54 treesize of output 45 [2019-01-01 18:22:23,946 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:22:24,071 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:22:24,074 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:22:24,075 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 55 treesize of output 47 [2019-01-01 18:22:24,076 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 18:22:24,217 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 50 [2019-01-01 18:22:24,219 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-01 18:22:24,359 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-01 18:22:24,360 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:111, output treesize:74 [2019-01-01 18:22:26,497 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 21 [2019-01-01 18:22:26,628 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 15 treesize of output 11 [2019-01-01 18:22:26,646 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 11 treesize of output 3 [2019-01-01 18:22:26,646 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:22:26,671 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:22:26,697 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 22 treesize of output 16 [2019-01-01 18:22:26,700 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2019-01-01 18:22:26,701 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:22:26,703 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:22:26,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:22:26,713 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:9 [2019-01-01 18:22:26,933 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 18:22:26,934 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:22:26,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:22:26,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-01 18:22:26,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-01 18:22:26,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-01 18:22:26,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=87, Unknown=3, NotChecked=0, Total=110 [2019-01-01 18:22:26,938 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 11 states. [2019-01-01 18:22:37,131 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-01-01 18:22:47,140 WARN L181 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-01-01 18:23:03,357 WARN L181 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-01-01 18:23:13,730 WARN L181 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-01-01 18:23:20,137 WARN L181 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2019-01-01 18:23:26,315 WARN L181 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-01-01 18:23:34,466 WARN L181 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-01-01 18:23:41,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:41,219 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2019-01-01 18:23:41,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-01 18:23:41,221 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2019-01-01 18:23:41,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:41,223 INFO L225 Difference]: With dead ends: 68 [2019-01-01 18:23:41,223 INFO L226 Difference]: Without dead ends: 68 [2019-01-01 18:23:41,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 33.6s TimeCoverageRelationStatistics Valid=78, Invalid=249, Unknown=15, NotChecked=0, Total=342 [2019-01-01 18:23:41,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-01 18:23:41,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2019-01-01 18:23:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-01 18:23:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2019-01-01 18:23:41,233 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 20 [2019-01-01 18:23:41,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:41,233 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2019-01-01 18:23:41,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-01 18:23:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2019-01-01 18:23:41,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-01 18:23:41,235 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:41,235 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:23:41,236 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:23:41,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:41,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1024814430, now seen corresponding path program 1 times [2019-01-01 18:23:41,236 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:23:41,239 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 18:23:41,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:41,342 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:23:41,360 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 18:23:41,411 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:23:41,424 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 18:23:41,434 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 18:23:41,434 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:41,472 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:23:41,478 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:23:41,491 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 18:23:41,493 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-01 18:23:41,537 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:23:41,577 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-01 18:23:41,623 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-01 18:23:41,623 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:22, output treesize:71 [2019-01-01 18:23:41,674 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 [2019-01-01 18:23:41,682 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 7 treesize of output 1 [2019-01-01 18:23:41,683 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:41,688 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:41,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:41,691 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2019-01-01 18:23:41,788 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 7 treesize of output 1 [2019-01-01 18:23:41,788 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:41,790 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:41,790 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2019-01-01 18:23:41,895 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 18:23:41,896 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:23:41,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:23:41,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:23:41,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 18:23:41,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 18:23:41,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:23:41,900 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 7 states. [2019-01-01 18:23:46,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:46,559 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2019-01-01 18:23:46,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-01 18:23:46,560 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-01-01 18:23:46,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:46,562 INFO L225 Difference]: With dead ends: 64 [2019-01-01 18:23:46,562 INFO L226 Difference]: Without dead ends: 64 [2019-01-01 18:23:46,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2019-01-01 18:23:46,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-01 18:23:46,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2019-01-01 18:23:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-01 18:23:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2019-01-01 18:23:46,569 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 19 [2019-01-01 18:23:46,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:46,570 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2019-01-01 18:23:46,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 18:23:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2019-01-01 18:23:46,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-01 18:23:46,571 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:46,571 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:23:46,572 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:23:46,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:46,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1024814431, now seen corresponding path program 1 times [2019-01-01 18:23:46,572 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:23:46,572 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 18:23:46,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:46,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:23:46,670 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 18:23:46,677 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 12 treesize of output 11 [2019-01-01 18:23:46,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:46,690 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:46,706 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 18:23:46,706 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2019-01-01 18:23:46,735 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 [2019-01-01 18:23:46,750 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 7 treesize of output 1 [2019-01-01 18:23:46,750 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:46,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:46,756 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:46,757 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:9 [2019-01-01 18:23:46,777 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 18:23:46,777 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:46,785 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:46,786 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2019-01-01 18:23:46,855 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 18:23:46,855 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:23:46,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:23:46,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:23:46,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 18:23:46,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 18:23:46,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:23:46,858 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 7 states. [2019-01-01 18:23:48,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:48,066 INFO L93 Difference]: Finished difference Result 86 states and 85 transitions. [2019-01-01 18:23:48,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-01 18:23:48,068 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-01-01 18:23:48,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:48,069 INFO L225 Difference]: With dead ends: 86 [2019-01-01 18:23:48,070 INFO L226 Difference]: Without dead ends: 67 [2019-01-01 18:23:48,070 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2019-01-01 18:23:48,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-01-01 18:23:48,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2019-01-01 18:23:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-01 18:23:48,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2019-01-01 18:23:48,077 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 19 [2019-01-01 18:23:48,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:48,078 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2019-01-01 18:23:48,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 18:23:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2019-01-01 18:23:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-01 18:23:48,079 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:48,080 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] [2019-01-01 18:23:48,080 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:23:48,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:48,081 INFO L82 PathProgramCache]: Analyzing trace with hash -683910161, now seen corresponding path program 1 times [2019-01-01 18:23:48,081 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:23:48,082 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 18:23:48,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:48,210 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:23:48,218 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 18:23:48,219 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:48,235 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:48,235 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:23:48,346 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 18:23:48,346 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:23:48,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:23:48,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:23:48,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:23:48,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:23:48,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:23:48,351 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 9 states. [2019-01-01 18:23:48,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:48,940 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2019-01-01 18:23:48,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:23:48,941 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2019-01-01 18:23:48,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:48,943 INFO L225 Difference]: With dead ends: 64 [2019-01-01 18:23:48,943 INFO L226 Difference]: Without dead ends: 64 [2019-01-01 18:23:48,944 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-01-01 18:23:48,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-01 18:23:48,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2019-01-01 18:23:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-01 18:23:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2019-01-01 18:23:48,952 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 21 [2019-01-01 18:23:48,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:48,953 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2019-01-01 18:23:48,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:23:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2019-01-01 18:23:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-01 18:23:48,954 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:48,954 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] [2019-01-01 18:23:48,954 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:23:48,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:48,956 INFO L82 PathProgramCache]: Analyzing trace with hash -683910160, now seen corresponding path program 1 times [2019-01-01 18:23:48,956 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:23:48,956 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 18:23:48,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:49,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:23:49,122 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 18:23:49,123 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:49,132 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:49,132 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-01 18:23:49,263 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 18:23:49,264 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:23:49,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:23:49,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-01 18:23:49,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-01 18:23:49,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-01 18:23:49,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-01-01 18:23:49,268 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 10 states. [2019-01-01 18:23:50,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:50,090 INFO L93 Difference]: Finished difference Result 62 states and 61 transitions. [2019-01-01 18:23:50,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:23:50,092 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2019-01-01 18:23:50,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:50,093 INFO L225 Difference]: With dead ends: 62 [2019-01-01 18:23:50,093 INFO L226 Difference]: Without dead ends: 62 [2019-01-01 18:23:50,094 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-01-01 18:23:50,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-01 18:23:50,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-01-01 18:23:50,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-01 18:23:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2019-01-01 18:23:50,100 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 21 [2019-01-01 18:23:50,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:50,100 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2019-01-01 18:23:50,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-01 18:23:50,103 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-01-01 18:23:50,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-01 18:23:50,103 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:50,104 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] [2019-01-01 18:23:50,104 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:23:50,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:50,105 INFO L82 PathProgramCache]: Analyzing trace with hash -554827442, now seen corresponding path program 1 times [2019-01-01 18:23:50,108 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:23:50,108 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 18:23:50,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:50,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:23:50,306 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 18:23:50,306 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:23:50,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:23:50,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:23:50,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:23:50,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:23:50,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:23:50,310 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 5 states. [2019-01-01 18:23:50,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:50,325 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2019-01-01 18:23:50,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:23:50,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-01-01 18:23:50,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:50,327 INFO L225 Difference]: With dead ends: 48 [2019-01-01 18:23:50,327 INFO L226 Difference]: Without dead ends: 44 [2019-01-01 18:23:50,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 18:23:50,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-01-01 18:23:50,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-01-01 18:23:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-01-01 18:23:50,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2019-01-01 18:23:50,332 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 21 [2019-01-01 18:23:50,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:50,332 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2019-01-01 18:23:50,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:23:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2019-01-01 18:23:50,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:23:50,333 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:50,333 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:23:50,336 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:23:50,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:50,337 INFO L82 PathProgramCache]: Analyzing trace with hash -107666894, now seen corresponding path program 1 times [2019-01-01 18:23:50,337 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:23:50,337 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 18:23:50,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:50,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:23:50,504 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 [2019-01-01 18:23:50,508 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 7 treesize of output 1 [2019-01-01 18:23:50,508 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:50,511 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:50,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:50,513 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:9, output treesize:1 [2019-01-01 18:23:50,542 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 18:23:50,542 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:23:50,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:23:50,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:23:50,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:23:50,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:23:50,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:23:50,546 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 6 states. [2019-01-01 18:23:55,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:55,159 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2019-01-01 18:23:55,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:23:55,159 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-01-01 18:23:55,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:55,160 INFO L225 Difference]: With dead ends: 43 [2019-01-01 18:23:55,160 INFO L226 Difference]: Without dead ends: 43 [2019-01-01 18:23:55,161 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-01-01 18:23:55,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-01 18:23:55,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-01 18:23:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-01 18:23:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2019-01-01 18:23:55,164 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 23 [2019-01-01 18:23:55,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:55,164 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2019-01-01 18:23:55,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:23:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-01-01 18:23:55,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:23:55,165 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:55,165 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 18:23:55,166 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:23:55,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:55,166 INFO L82 PathProgramCache]: Analyzing trace with hash -107666893, now seen corresponding path program 1 times [2019-01-01 18:23:55,166 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:23:55,166 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 18:23:55,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:55,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:23:55,472 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 15 treesize of output 11 [2019-01-01 18:23:55,484 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-01-01 18:23:55,485 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:55,499 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:55,521 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 22 treesize of output 16 [2019-01-01 18:23:55,524 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2019-01-01 18:23:55,525 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:55,531 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:55,540 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:55,541 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:39, output treesize:10 [2019-01-01 18:23:55,638 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 18:23:55,638 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:23:55,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:23:55,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:23:55,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:23:55,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:23:55,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:23:55,642 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 9 states. [2019-01-01 18:23:56,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:56,391 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-01-01 18:23:56,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:23:56,393 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-01-01 18:23:56,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:56,395 INFO L225 Difference]: With dead ends: 42 [2019-01-01 18:23:56,395 INFO L226 Difference]: Without dead ends: 42 [2019-01-01 18:23:56,395 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2019-01-01 18:23:56,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-01-01 18:23:56,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-01-01 18:23:56,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-01 18:23:56,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2019-01-01 18:23:56,400 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 23 [2019-01-01 18:23:56,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:56,400 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2019-01-01 18:23:56,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:23:56,400 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2019-01-01 18:23:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-01 18:23:56,401 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:56,401 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:23:56,402 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:23:56,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:56,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1705792158, now seen corresponding path program 1 times [2019-01-01 18:23:56,408 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:23:56,408 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 18:23:56,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:23:56,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:23:56,614 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 treesize of output 5 [2019-01-01 18:23:56,618 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 18:23:56,618 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:56,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:56,648 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 17 treesize of output 13 [2019-01-01 18:23:56,652 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:23:56,652 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2019-01-01 18:23:56,653 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:56,655 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:56,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:56,663 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:33, output treesize:10 [2019-01-01 18:23:56,978 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 32 treesize of output 26 [2019-01-01 18:23:56,983 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:23:56,984 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2019-01-01 18:23:56,984 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:56,994 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:57,014 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 19 treesize of output 15 [2019-01-01 18:23:57,018 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 7 [2019-01-01 18:23:57,019 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-01 18:23:57,022 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:57,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:23:57,035 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:11 [2019-01-01 18:23:57,183 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 18:23:57,183 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:23:57,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:23:57,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-01-01 18:23:57,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-01 18:23:57,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-01 18:23:57,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-01-01 18:23:57,190 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 14 states. [2019-01-01 18:23:59,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:23:59,305 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2019-01-01 18:23:59,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-01 18:23:59,308 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2019-01-01 18:23:59,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:23:59,309 INFO L225 Difference]: With dead ends: 40 [2019-01-01 18:23:59,309 INFO L226 Difference]: Without dead ends: 40 [2019-01-01 18:23:59,310 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2019-01-01 18:23:59,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-01-01 18:23:59,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-01-01 18:23:59,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-01 18:23:59,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2019-01-01 18:23:59,313 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 33 [2019-01-01 18:23:59,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:23:59,313 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2019-01-01 18:23:59,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-01 18:23:59,313 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2019-01-01 18:23:59,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-01 18:23:59,317 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:23:59,318 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:23:59,318 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:23:59,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:23:59,318 INFO L82 PathProgramCache]: Analyzing trace with hash -421305701, now seen corresponding path program 1 times [2019-01-01 18:23:59,322 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:23:59,322 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 18:23:59,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:23:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:23:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:23:59,951 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:23:59,975 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 18:23:59,985 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 18:23:59,986 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 18:23:59,987 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 18:23:59,987 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 18:24:00,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:24:00 BoogieIcfgContainer [2019-01-01 18:24:00,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:24:00,005 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:24:00,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:24:00,005 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:24:00,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:20:05" (3/4) ... [2019-01-01 18:24:00,014 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 18:24:00,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:24:00,015 INFO L168 Benchmark]: Toolchain (without parser) took 239083.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.7 MB). Free memory was 948.7 MB in the beginning and 977.6 MB in the end (delta: -28.9 MB). Peak memory consumption was 266.8 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:00,015 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:24:00,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 906.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:00,019 INFO L168 Benchmark]: Boogie Preprocessor took 135.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:24:00,019 INFO L168 Benchmark]: RCFGBuilder took 3102.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:00,020 INFO L168 Benchmark]: TraceAbstraction took 234923.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 152.6 MB). Free memory was 1.0 GB in the beginning and 977.6 MB in the end (delta: 29.0 MB). Peak memory consumption was 181.5 MB. Max. memory is 11.5 GB. [2019-01-01 18:24:00,020 INFO L168 Benchmark]: Witness Printer took 9.08 ms. Allocated memory is still 1.3 GB. Free memory is still 977.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:24:00,025 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 906.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 135.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3102.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 234923.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 152.6 MB). Free memory was 1.0 GB in the beginning and 977.6 MB in the end (delta: 29.0 MB). Peak memory consumption was 181.5 MB. Max. memory is 11.5 GB. * Witness Printer took 9.08 ms. Allocated memory is still 1.3 GB. Free memory is still 977.6 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~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1454]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1454. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1455] CALL entry_point() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1449] CALL alloc_13() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=12, \result={2147483645:0}, global_list_13={1:0}, ldv_global_msg_list={2:0}, malloc(size)={2147483645:0}, size=12] [L1442] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(struct A13))={2147483645:0}] [L1442] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L1443] COND TRUE \read(*p) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, p={2147483645:0}] [L1444] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={1:0}, head={1:0}, ldv_global_msg_list={2:0}, new={2147483645:4}] [L1121] EXPR head->next VAL [global_list_13={1:0}, head={1:0}, head={1:0}, head->next={1:0}, ldv_global_msg_list={2:0}, new={2147483645:4}, new={2147483645:4}] [L1121] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={2147483645:4}, next={1:0}, prev={1:0}] [L1107] next->prev = new VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={2147483645:4}, new={2147483645:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1108] new->next = next VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={2147483645:4}, new={2147483645:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1109] new->prev = prev VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={2147483645:4}, new={2147483645:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1110] prev->next = new VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={2147483645:4}, new={2147483645:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1121] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={1:0}, head={1:0}, head={1:0}, head->next={1:0}, ldv_global_msg_list={2:0}, new={2147483645:4}, new={2147483645:4}] [L1444] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, p={2147483645:0}] [L1449] RET alloc_13() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1451] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}] [L1099] list->next = list VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}, list={1:0}] [L1100] list->prev = list VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}, list={1:0}] [L1451] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1455] RET entry_point() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 320 locations, 71 error locations. UNSAFE Result, 234.8s OverallTime, 14 OverallIterations, 1 TraceHistogramMax, 208.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 493 SDtfs, 642 SDslu, 1527 SDs, 0 SdLazy, 1788 SolverSat, 280 SolverUnsat, 70 SolverUnknown, 0 SolverNotchecked, 139.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 161 SyntacticMatches, 16 SemanticMatches, 150 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 86.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 60 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 23.9s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 260 ConstructedInterpolants, 12 QuantifiedInterpolants, 72204 SizeOfPredicates, 133 NumberOfNonLiveVariables, 1709 ConjunctsInSsa, 267 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...