./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_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 769eb05e4e9ecf306aff3e68f9d0c3446a53669d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_test7_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 769eb05e4e9ecf306aff3e68f9d0c3446a53669d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 19:22:09,969 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 19:22:09,971 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 19:22:09,985 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 19:22:09,986 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 19:22:09,988 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 19:22:09,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 19:22:09,996 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 19:22:10,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 19:22:10,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 19:22:10,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 19:22:10,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 19:22:10,006 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 19:22:10,009 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 19:22:10,015 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 19:22:10,017 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 19:22:10,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 19:22:10,022 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 19:22:10,028 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 19:22:10,032 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 19:22:10,033 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 19:22:10,040 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 19:22:10,042 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 19:22:10,045 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 19:22:10,045 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 19:22:10,046 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 19:22:10,049 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 19:22:10,050 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 19:22:10,051 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 19:22:10,053 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 19:22:10,054 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 19:22:10,056 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 19:22:10,056 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 19:22:10,057 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 19:22:10,059 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 19:22:10,062 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 19:22:10,063 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 19:22:10,085 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 19:22:10,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 19:22:10,088 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 19:22:10,089 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 19:22:10,089 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 19:22:10,089 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 19:22:10,089 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 19:22:10,090 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 19:22:10,090 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 19:22:10,091 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 19:22:10,091 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 19:22:10,091 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 19:22:10,091 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 19:22:10,091 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 19:22:10,091 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 19:22:10,092 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 19:22:10,093 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 19:22:10,093 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 19:22:10,093 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 19:22:10,093 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 19:22:10,093 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:22:10,093 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 19:22:10,094 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 19:22:10,094 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 19:22:10,094 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 19:22:10,094 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 -> 769eb05e4e9ecf306aff3e68f9d0c3446a53669d [2019-01-14 19:22:10,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 19:22:10,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 19:22:10,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 19:22:10,150 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 19:22:10,150 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 19:22:10,151 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-14 19:22:10,207 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77cfa928d/70a999aeabba45749c3f68b7333a8a65/FLAG6a12173f5 [2019-01-14 19:22:10,687 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 19:22:10,689 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-14 19:22:10,705 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77cfa928d/70a999aeabba45749c3f68b7333a8a65/FLAG6a12173f5 [2019-01-14 19:22:10,975 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77cfa928d/70a999aeabba45749c3f68b7333a8a65 [2019-01-14 19:22:10,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 19:22:10,985 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 19:22:10,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 19:22:10,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 19:22:10,990 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 19:22:10,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:22:10" (1/1) ... [2019-01-14 19:22:10,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36857b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:10, skipping insertion in model container [2019-01-14 19:22:10,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:22:10" (1/1) ... [2019-01-14 19:22:11,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 19:22:11,082 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 19:22:11,545 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:22:11,564 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 19:22:11,696 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:22:11,780 INFO L195 MainTranslator]: Completed translation [2019-01-14 19:22:11,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:11 WrapperNode [2019-01-14 19:22:11,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 19:22:11,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 19:22:11,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 19:22:11,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 19:22:11,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:11" (1/1) ... [2019-01-14 19:22:11,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:11" (1/1) ... [2019-01-14 19:22:11,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:11" (1/1) ... [2019-01-14 19:22:11,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:11" (1/1) ... [2019-01-14 19:22:11,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:11" (1/1) ... [2019-01-14 19:22:11,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:11" (1/1) ... [2019-01-14 19:22:11,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:11" (1/1) ... [2019-01-14 19:22:11,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 19:22:11,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 19:22:11,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 19:22:11,892 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 19:22:11,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:11" (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 [2019-01-14 19:22:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 19:22:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 19:22:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:22:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-14 19:22:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-14 19:22:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-14 19:22:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-14 19:22:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-14 19:22:11,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-14 19:22:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:22:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-14 19:22:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-14 19:22:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-14 19:22:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-14 19:22:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-14 19:22:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-14 19:22:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-14 19:22:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-14 19:22:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-14 19:22:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-14 19:22:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-14 19:22:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-14 19:22:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-14 19:22:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-14 19:22:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-14 19:22:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-14 19:22:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-14 19:22:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-14 19:22:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-14 19:22:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-14 19:22:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-14 19:22:11,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-14 19:22:11,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-14 19:22:11,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-14 19:22:11,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-14 19:22:11,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-14 19:22:11,966 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-14 19:22:11,966 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-14 19:22:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-14 19:22:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-14 19:22:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-01-14 19:22:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-01-14 19:22:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-14 19:22:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 19:22:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-14 19:22:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-14 19:22:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-14 19:22:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-14 19:22:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-14 19:22:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 19:22:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 19:22:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 19:22:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 19:22:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 19:22:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 19:22:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 19:22:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 19:22:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 19:22:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 19:22:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 19:22:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 19:22:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 19:22:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 19:22:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 19:22:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 19:22:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 19:22:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 19:22:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 19:22:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 19:22:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 19:22:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 19:22:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 19:22:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 19:22:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 19:22:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 19:22:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 19:22:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 19:22:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 19:22:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 19:22:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 19:22:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 19:22:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 19:22:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 19:22:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 19:22:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 19:22:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 19:22:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 19:22:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 19:22:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 19:22:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 19:22:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 19:22:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 19:22:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 19:22:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 19:22:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 19:22:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 19:22:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 19:22:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 19:22:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 19:22:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 19:22:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 19:22:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 19:22:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 19:22:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 19:22:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 19:22:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 19:22:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 19:22:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 19:22:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 19:22:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 19:22:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 19:22:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 19:22:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 19:22:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 19:22:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 19:22:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 19:22:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 19:22:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 19:22:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 19:22:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 19:22:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 19:22:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 19:22:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 19:22:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 19:22:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 19:22:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 19:22:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 19:22:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 19:22:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 19:22:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 19:22:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 19:22:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 19:22:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 19:22:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 19:22:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 19:22:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 19:22:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 19:22:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 19:22:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 19:22:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 19:22:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 19:22:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 19:22:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 19:22:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 19:22:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 19:22:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 19:22:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 19:22:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 19:22:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 19:22:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-14 19:22:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 19:22:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-14 19:22:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-14 19:22:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-14 19:22:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-14 19:22:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-14 19:22:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-14 19:22:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 19:22:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-14 19:22:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-14 19:22:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:22:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 19:22:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-14 19:22:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-14 19:22:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-14 19:22:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 19:22:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-14 19:22:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-14 19:22:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-14 19:22:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-14 19:22:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-14 19:22:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-14 19:22:11,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 19:22:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-14 19:22:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-14 19:22:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-14 19:22:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-14 19:22:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-14 19:22:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 19:22:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 19:22:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-14 19:22:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-14 19:22:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:22:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-14 19:22:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-14 19:22:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-14 19:22:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-14 19:22:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-14 19:22:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-14 19:22:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-14 19:22:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-14 19:22:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-14 19:22:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-14 19:22:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-14 19:22:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-14 19:22:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-14 19:22:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-14 19:22:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-14 19:22:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-14 19:22:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-01-14 19:22:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-01-14 19:22:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-14 19:22:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 19:22:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 19:22:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 19:22:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-14 19:22:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 19:22:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-14 19:22:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-14 19:22:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-14 19:22:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-14 19:22:12,724 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:22:13,332 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:22:13,885 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 19:22:13,885 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-14 19:22:13,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:22:13 BoogieIcfgContainer [2019-01-14 19:22:13,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 19:22:13,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 19:22:13,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 19:22:13,891 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 19:22:13,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 07:22:10" (1/3) ... [2019-01-14 19:22:13,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f44e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:22:13, skipping insertion in model container [2019-01-14 19:22:13,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:11" (2/3) ... [2019-01-14 19:22:13,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f44e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:22:13, skipping insertion in model container [2019-01-14 19:22:13,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:22:13" (3/3) ... [2019-01-14 19:22:13,896 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-14 19:22:13,908 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 19:22:13,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 76 error locations. [2019-01-14 19:22:13,934 INFO L257 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2019-01-14 19:22:13,958 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 19:22:13,959 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 19:22:13,960 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 19:22:13,960 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 19:22:13,960 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 19:22:13,960 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 19:22:13,960 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 19:22:13,960 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 19:22:13,961 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 19:22:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-01-14 19:22:13,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-14 19:22:13,999 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:14,000 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] [2019-01-14 19:22:14,003 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:14,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:14,009 INFO L82 PathProgramCache]: Analyzing trace with hash -2043876019, now seen corresponding path program 1 times [2019-01-14 19:22:14,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:22:14,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:22:14,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:14,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:14,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:14,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:14,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:14,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:22:14,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:22:14,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:22:14,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:14,417 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 5 states. [2019-01-14 19:22:14,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:14,488 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-01-14 19:22:14,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:22:14,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-14 19:22:14,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:14,502 INFO L225 Difference]: With dead ends: 53 [2019-01-14 19:22:14,503 INFO L226 Difference]: Without dead ends: 50 [2019-01-14 19:22:14,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:14,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-14 19:22:14,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-01-14 19:22:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-14 19:22:14,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2019-01-14 19:22:14,547 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2019-01-14 19:22:14,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:14,548 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2019-01-14 19:22:14,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:22:14,548 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2019-01-14 19:22:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-14 19:22:14,549 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:14,550 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:22:14,550 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:14,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:14,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1064353284, now seen corresponding path program 1 times [2019-01-14 19:22:14,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:22:14,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:22:14,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:14,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:14,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:14,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:14,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:22:14,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:22:14,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:22:14,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:14,715 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 5 states. [2019-01-14 19:22:14,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:14,865 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2019-01-14 19:22:14,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:22:14,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-14 19:22:14,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:14,869 INFO L225 Difference]: With dead ends: 68 [2019-01-14 19:22:14,869 INFO L226 Difference]: Without dead ends: 68 [2019-01-14 19:22:14,870 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:14,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-14 19:22:14,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 62. [2019-01-14 19:22:14,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-14 19:22:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2019-01-14 19:22:14,884 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 24 [2019-01-14 19:22:14,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:14,886 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2019-01-14 19:22:14,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:22:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2019-01-14 19:22:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-14 19:22:14,888 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:14,888 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:22:14,889 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:14,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:14,889 INFO L82 PathProgramCache]: Analyzing trace with hash 770950277, now seen corresponding path program 1 times [2019-01-14 19:22:14,889 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:22:14,890 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:22:14,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:14,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:14,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:15,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:15,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:22:15,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:22:15,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:22:15,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:15,048 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand 5 states. [2019-01-14 19:22:15,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:15,198 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2019-01-14 19:22:15,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:22:15,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-14 19:22:15,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:15,201 INFO L225 Difference]: With dead ends: 55 [2019-01-14 19:22:15,201 INFO L226 Difference]: Without dead ends: 55 [2019-01-14 19:22:15,201 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 [2019-01-14 19:22:15,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-14 19:22:15,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2019-01-14 19:22:15,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-14 19:22:15,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2019-01-14 19:22:15,215 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2019-01-14 19:22:15,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:15,215 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2019-01-14 19:22:15,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:22:15,215 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2019-01-14 19:22:15,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-14 19:22:15,218 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:15,218 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:22:15,219 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:15,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:15,219 INFO L82 PathProgramCache]: Analyzing trace with hash 2024694416, now seen corresponding path program 1 times [2019-01-14 19:22:15,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:22:15,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:22:15,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:15,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:15,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:15,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:15,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:22:15,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:22:15,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:22:15,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:15,369 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 5 states. [2019-01-14 19:22:15,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:15,408 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-01-14 19:22:15,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:22:15,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-14 19:22:15,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:15,410 INFO L225 Difference]: With dead ends: 55 [2019-01-14 19:22:15,411 INFO L226 Difference]: Without dead ends: 55 [2019-01-14 19:22:15,412 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 [2019-01-14 19:22:15,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-14 19:22:15,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2019-01-14 19:22:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-14 19:22:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 56 transitions. [2019-01-14 19:22:15,422 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 56 transitions. Word has length 24 [2019-01-14 19:22:15,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:15,422 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 56 transitions. [2019-01-14 19:22:15,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:22:15,424 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2019-01-14 19:22:15,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-14 19:22:15,425 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:15,425 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] [2019-01-14 19:22:15,426 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:15,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:15,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1364786129, now seen corresponding path program 1 times [2019-01-14 19:22:15,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:22:15,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:22:15,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:15,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:15,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:15,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:15,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:22:15,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:22:15,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:22:15,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:15,524 INFO L87 Difference]: Start difference. First operand 53 states and 56 transitions. Second operand 5 states. [2019-01-14 19:22:15,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:15,655 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-01-14 19:22:15,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:22:15,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-14 19:22:15,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:15,658 INFO L225 Difference]: With dead ends: 54 [2019-01-14 19:22:15,658 INFO L226 Difference]: Without dead ends: 54 [2019-01-14 19:22:15,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:15,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-01-14 19:22:15,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2019-01-14 19:22:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-14 19:22:15,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2019-01-14 19:22:15,664 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 25 [2019-01-14 19:22:15,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:15,665 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2019-01-14 19:22:15,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:22:15,665 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2019-01-14 19:22:15,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-14 19:22:15,666 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:15,666 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:22:15,667 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:15,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:15,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1731291409, now seen corresponding path program 1 times [2019-01-14 19:22:15,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:22:15,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:22:15,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:15,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:15,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:15,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:15,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 19:22:15,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 19:22:15,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 19:22:15,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 19:22:15,814 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 4 states. [2019-01-14 19:22:16,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:16,007 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2019-01-14 19:22:16,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 19:22:16,009 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-01-14 19:22:16,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:16,011 INFO L225 Difference]: With dead ends: 61 [2019-01-14 19:22:16,011 INFO L226 Difference]: Without dead ends: 48 [2019-01-14 19:22:16,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 19:22:16,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-01-14 19:22:16,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-01-14 19:22:16,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-14 19:22:16,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2019-01-14 19:22:16,016 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 24 [2019-01-14 19:22:16,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:16,017 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2019-01-14 19:22:16,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 19:22:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2019-01-14 19:22:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-14 19:22:16,018 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:16,018 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:22:16,019 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:16,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:16,019 INFO L82 PathProgramCache]: Analyzing trace with hash -742023645, now seen corresponding path program 1 times [2019-01-14 19:22:16,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:22:16,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:22:16,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:16,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:16,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:16,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:16,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:16,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-14 19:22:16,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 19:22:16,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 19:22:16,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-14 19:22:16,208 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 8 states. [2019-01-14 19:22:16,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:16,665 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-01-14 19:22:16,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 19:22:16,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-14 19:22:16,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:16,667 INFO L225 Difference]: With dead ends: 53 [2019-01-14 19:22:16,667 INFO L226 Difference]: Without dead ends: 53 [2019-01-14 19:22:16,668 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-01-14 19:22:16,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-01-14 19:22:16,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2019-01-14 19:22:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-14 19:22:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2019-01-14 19:22:16,677 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 29 [2019-01-14 19:22:16,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:16,677 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2019-01-14 19:22:16,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 19:22:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2019-01-14 19:22:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-14 19:22:16,678 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:16,679 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:22:16,679 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:16,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:16,680 INFO L82 PathProgramCache]: Analyzing trace with hash -742023644, now seen corresponding path program 1 times [2019-01-14 19:22:16,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:22:16,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:22:16,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:16,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:16,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:16,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:16,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-14 19:22:16,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 19:22:16,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 19:22:16,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-14 19:22:16,873 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 8 states. [2019-01-14 19:22:17,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:17,247 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2019-01-14 19:22:17,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 19:22:17,248 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-14 19:22:17,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:17,249 INFO L225 Difference]: With dead ends: 46 [2019-01-14 19:22:17,249 INFO L226 Difference]: Without dead ends: 46 [2019-01-14 19:22:17,251 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-01-14 19:22:17,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-14 19:22:17,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-01-14 19:22:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-14 19:22:17,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-01-14 19:22:17,260 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 29 [2019-01-14 19:22:17,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:17,260 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-01-14 19:22:17,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 19:22:17,260 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-01-14 19:22:17,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-14 19:22:17,264 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:17,267 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] [2019-01-14 19:22:17,267 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:17,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:17,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1970798625, now seen corresponding path program 1 times [2019-01-14 19:22:17,268 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:22:17,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:22:17,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:17,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:17,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:17,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:17,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-14 19:22:17,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 19:22:17,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 19:22:17,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-14 19:22:17,736 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 8 states. [2019-01-14 19:22:18,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:18,212 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-01-14 19:22:18,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 19:22:18,213 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-01-14 19:22:18,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:18,214 INFO L225 Difference]: With dead ends: 55 [2019-01-14 19:22:18,215 INFO L226 Difference]: Without dead ends: 43 [2019-01-14 19:22:18,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-01-14 19:22:18,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-14 19:22:18,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-14 19:22:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-14 19:22:18,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2019-01-14 19:22:18,220 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 33 [2019-01-14 19:22:18,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:18,220 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2019-01-14 19:22:18,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 19:22:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2019-01-14 19:22:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-14 19:22:18,221 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:18,221 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] [2019-01-14 19:22:18,222 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:18,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:18,222 INFO L82 PathProgramCache]: Analyzing trace with hash -178891106, now seen corresponding path program 1 times [2019-01-14 19:22:18,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:22:18,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:22:18,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:18,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:18,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:18,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:18,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:22:18,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:22:18,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:22:18,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:18,461 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 5 states. [2019-01-14 19:22:18,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:18,542 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2019-01-14 19:22:18,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:22:18,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-01-14 19:22:18,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:18,545 INFO L225 Difference]: With dead ends: 43 [2019-01-14 19:22:18,548 INFO L226 Difference]: Without dead ends: 43 [2019-01-14 19:22:18,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:18,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-14 19:22:18,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-14 19:22:18,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-14 19:22:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2019-01-14 19:22:18,558 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 38 [2019-01-14 19:22:18,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:18,559 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2019-01-14 19:22:18,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:22:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-01-14 19:22:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-01-14 19:22:18,560 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:18,560 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:22:18,567 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:18,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:18,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1387940123, now seen corresponding path program 1 times [2019-01-14 19:22:18,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:22:18,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:22:18,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:18,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:18,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:22:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:22:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:22:18,647 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 19:22:18,663 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-14 19:22:18,669 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:22:18,671 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:22:18,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 07:22:18 BoogieIcfgContainer [2019-01-14 19:22:18,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 19:22:18,688 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 19:22:18,688 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 19:22:18,688 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 19:22:18,688 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:22:13" (3/4) ... [2019-01-14 19:22:18,691 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 19:22:18,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 19:22:18,692 INFO L168 Benchmark]: Toolchain (without parser) took 7710.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2019-01-14 19:22:18,694 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-01-14 19:22:18,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-01-14 19:22:18,697 INFO L168 Benchmark]: Boogie Preprocessor took 109.99 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. [2019-01-14 19:22:18,697 INFO L168 Benchmark]: RCFGBuilder took 1995.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.1 MB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. [2019-01-14 19:22:18,699 INFO L168 Benchmark]: TraceAbstraction took 4799.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 998.1 MB in the beginning and 1.1 GB in the end (delta: -116.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:22:18,699 INFO L168 Benchmark]: Witness Printer took 4.09 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. [2019-01-14 19:22:18,705 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 795.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.99 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 1995.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.1 MB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4799.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 998.1 MB in the beginning and 1.1 GB in the end (delta: -116.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.09 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1473]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1473. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={2:0}] [L1474] CALL entry_point() VAL [ldv_global_msg_list={2:0}] [L1466] struct A a7; VAL [a7={3:0}, ldv_global_msg_list={2:0}] [L1467] CALL, EXPR probe1_6(&a7) VAL [a={3:0}, ldv_global_msg_list={2:0}] [L1443] int ret = - -3; VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={5:0}, ldv_global_msg_list={2:0}, malloc(size)={5:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(int))={5:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=3] [L1447] CALL, EXPR f6() VAL [ldv_global_msg_list={2:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={3:0}, a={3:0}, f6()=0, ldv_global_msg_list={2:0}, p={5:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=0] [L1450] CALL, EXPR g6() VAL [ldv_global_msg_list={2:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={3:0}, a={3:0}, g6()=0, ldv_global_msg_list={2:0}, p={5:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=0] [L1453] a->p = p VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=0] [L1454] return 0; VAL [\result=0, a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=0] [L1467] RET, EXPR probe1_6(&a7) VAL [a7={3:0}, ldv_global_msg_list={2:0}, probe1_6(&a7)=0] [L1467] int ret = probe1_6(&a7); [L1468] COND TRUE ret==0 VAL [a7={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1469] FCALL disconnect_2_6(&a7) VAL [a7={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1474] RET entry_point() VAL [ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 351 locations, 76 error locations. UNSAFE Result, 4.7s OverallTime, 11 OverallIterations, 1 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 461 SDtfs, 189 SDslu, 1096 SDs, 0 SdLazy, 624 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.6s 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, 10 MinimizatonAttempts, 18 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 315 NumberOfCodeBlocks, 315 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 33963 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-14 19:22:20,981 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 19:22:20,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 19:22:20,995 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 19:22:20,995 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 19:22:20,996 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 19:22:20,998 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 19:22:21,000 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 19:22:21,001 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 19:22:21,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 19:22:21,003 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 19:22:21,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 19:22:21,005 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 19:22:21,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 19:22:21,008 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 19:22:21,010 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 19:22:21,011 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 19:22:21,016 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 19:22:21,021 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 19:22:21,025 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 19:22:21,027 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 19:22:21,032 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 19:22:21,036 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 19:22:21,037 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 19:22:21,037 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 19:22:21,038 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 19:22:21,040 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 19:22:21,040 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 19:22:21,041 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 19:22:21,042 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 19:22:21,043 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 19:22:21,043 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 19:22:21,043 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 19:22:21,044 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 19:22:21,045 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 19:22:21,046 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 19:22:21,046 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-14 19:22:21,076 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 19:22:21,077 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 19:22:21,078 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 19:22:21,078 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 19:22:21,078 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 19:22:21,078 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 19:22:21,079 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 19:22:21,080 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 19:22:21,080 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 19:22:21,081 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 19:22:21,081 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 19:22:21,081 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 19:22:21,081 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 19:22:21,081 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 19:22:21,082 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 19:22:21,082 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-14 19:22:21,083 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-14 19:22:21,083 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 19:22:21,083 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 19:22:21,083 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 19:22:21,083 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 19:22:21,084 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 19:22:21,086 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:22:21,086 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 19:22:21,086 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 19:22:21,086 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-14 19:22:21,087 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 19:22:21,087 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-14 19:22:21,087 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 -> 769eb05e4e9ecf306aff3e68f9d0c3446a53669d [2019-01-14 19:22:21,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 19:22:21,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 19:22:21,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 19:22:21,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 19:22:21,161 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 19:22:21,162 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-14 19:22:21,218 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c573498/ab063c5778f94b908cb5687eb3fd1f5d/FLAG968672a7e [2019-01-14 19:22:21,761 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 19:22:21,761 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-14 19:22:21,784 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c573498/ab063c5778f94b908cb5687eb3fd1f5d/FLAG968672a7e [2019-01-14 19:22:21,991 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c573498/ab063c5778f94b908cb5687eb3fd1f5d [2019-01-14 19:22:21,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 19:22:21,995 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 19:22:21,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 19:22:21,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 19:22:22,000 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 19:22:22,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:22:21" (1/1) ... [2019-01-14 19:22:22,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28670ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:22, skipping insertion in model container [2019-01-14 19:22:22,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:22:21" (1/1) ... [2019-01-14 19:22:22,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 19:22:22,057 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 19:22:22,508 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:22:22,603 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 19:22:22,699 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:22:22,793 INFO L195 MainTranslator]: Completed translation [2019-01-14 19:22:22,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:22 WrapperNode [2019-01-14 19:22:22,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 19:22:22,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 19:22:22,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 19:22:22,795 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 19:22:22,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:22" (1/1) ... [2019-01-14 19:22:22,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:22" (1/1) ... [2019-01-14 19:22:22,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:22" (1/1) ... [2019-01-14 19:22:22,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:22" (1/1) ... [2019-01-14 19:22:22,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:22" (1/1) ... [2019-01-14 19:22:22,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:22" (1/1) ... [2019-01-14 19:22:22,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:22" (1/1) ... [2019-01-14 19:22:22,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 19:22:22,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 19:22:22,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 19:22:22,933 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 19:22:22,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:22" (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 [2019-01-14 19:22:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 19:22:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 19:22:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:22:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-14 19:22:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-14 19:22:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-14 19:22:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-14 19:22:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-14 19:22:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-14 19:22:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-14 19:22:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:22:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-14 19:22:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-14 19:22:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-14 19:22:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-14 19:22:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-14 19:22:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-14 19:22:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-14 19:22:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-14 19:22:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-14 19:22:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-14 19:22:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-14 19:22:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-14 19:22:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-14 19:22:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-14 19:22:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-14 19:22:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-14 19:22:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-14 19:22:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-14 19:22:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-14 19:22:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-14 19:22:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-14 19:22:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-14 19:22:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-14 19:22:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-14 19:22:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-14 19:22:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-14 19:22:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-14 19:22:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-14 19:22:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-14 19:22:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-14 19:22:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-01-14 19:22:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-01-14 19:22:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-14 19:22:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 19:22:23,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-14 19:22:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-14 19:22:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-14 19:22:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-14 19:22:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-14 19:22:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 19:22:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 19:22:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 19:22:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 19:22:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 19:22:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 19:22:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 19:22:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 19:22:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 19:22:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 19:22:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 19:22:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 19:22:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 19:22:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 19:22:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 19:22:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 19:22:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 19:22:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 19:22:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 19:22:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 19:22:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 19:22:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 19:22:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 19:22:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 19:22:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 19:22:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 19:22:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 19:22:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 19:22:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 19:22:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 19:22:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 19:22:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 19:22:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 19:22:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 19:22:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 19:22:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 19:22:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 19:22:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 19:22:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 19:22:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 19:22:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 19:22:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 19:22:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 19:22:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 19:22:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 19:22:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 19:22:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 19:22:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 19:22:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 19:22:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 19:22:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 19:22:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 19:22:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 19:22:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 19:22:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 19:22:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 19:22:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 19:22:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 19:22:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 19:22:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 19:22:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 19:22:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 19:22:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 19:22:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 19:22:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 19:22:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 19:22:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 19:22:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 19:22:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 19:22:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 19:22:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 19:22:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 19:22:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 19:22:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 19:22:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 19:22:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 19:22:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 19:22:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 19:22:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 19:22:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 19:22:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 19:22:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 19:22:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 19:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 19:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 19:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 19:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 19:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 19:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 19:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 19:22:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 19:22:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 19:22:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 19:22:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 19:22:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 19:22:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 19:22:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 19:22:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 19:22:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 19:22:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 19:22:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-14 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-14 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-14 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-14 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-14 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-14 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-14 19:22:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-14 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-14 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-14 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-14 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-14 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 19:22:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-14 19:22:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-14 19:22:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-14 19:22:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-14 19:22:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-14 19:22:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-14 19:22:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 19:22:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-14 19:22:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-14 19:22:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-14 19:22:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-14 19:22:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-14 19:22:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-14 19:22:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-14 19:22:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-14 19:22:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-14 19:22:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:22:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-14 19:22:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-14 19:22:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-14 19:22:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-14 19:22:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-14 19:22:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-14 19:22:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-14 19:22:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-14 19:22:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-14 19:22:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-14 19:22:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-14 19:22:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-14 19:22:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-14 19:22:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-14 19:22:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-14 19:22:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-14 19:22:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-01-14 19:22:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-01-14 19:22:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-14 19:22:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 19:22:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 19:22:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 19:22:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-14 19:22:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 19:22:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-14 19:22:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-14 19:22:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-14 19:22:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-14 19:22:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-14 19:22:23,767 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:22:24,695 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:22:25,556 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 19:22:25,557 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-14 19:22:25,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:22:25 BoogieIcfgContainer [2019-01-14 19:22:25,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 19:22:25,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 19:22:25,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 19:22:25,564 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 19:22:25,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 07:22:21" (1/3) ... [2019-01-14 19:22:25,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2d0be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:22:25, skipping insertion in model container [2019-01-14 19:22:25,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:22:22" (2/3) ... [2019-01-14 19:22:25,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2d0be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:22:25, skipping insertion in model container [2019-01-14 19:22:25,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:22:25" (3/3) ... [2019-01-14 19:22:25,569 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-14 19:22:25,579 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 19:22:25,592 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 76 error locations. [2019-01-14 19:22:25,609 INFO L257 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2019-01-14 19:22:25,651 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 19:22:25,652 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 19:22:25,652 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 19:22:25,652 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 19:22:25,652 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 19:22:25,653 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 19:22:25,653 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 19:22:25,653 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 19:22:25,653 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 19:22:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-01-14 19:22:25,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-14 19:22:25,680 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:25,681 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] [2019-01-14 19:22:25,683 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_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_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, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:25,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:25,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1915239412, now seen corresponding path program 1 times [2019-01-14 19:22:25,693 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:22:25,693 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 [2019-01-14 19:22:25,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:25,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:22:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:25,943 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:22:25,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:25,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:22:25,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:22:25,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:22:25,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:25,972 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 5 states. [2019-01-14 19:22:26,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:26,087 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-01-14 19:22:26,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:22:26,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-14 19:22:26,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:26,100 INFO L225 Difference]: With dead ends: 53 [2019-01-14 19:22:26,100 INFO L226 Difference]: Without dead ends: 50 [2019-01-14 19:22:26,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:26,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-14 19:22:26,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-01-14 19:22:26,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-14 19:22:26,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2019-01-14 19:22:26,137 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2019-01-14 19:22:26,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:26,137 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2019-01-14 19:22:26,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:22:26,138 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2019-01-14 19:22:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-14 19:22:26,139 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:26,140 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:22:26,141 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_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_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, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:26,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:26,141 INFO L82 PathProgramCache]: Analyzing trace with hash -757119933, now seen corresponding path program 1 times [2019-01-14 19:22:26,142 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:22:26,142 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 [2019-01-14 19:22:26,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:26,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:22:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:26,720 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:22:26,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:26,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:22:26,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-14 19:22:26,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 19:22:26,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-14 19:22:26,726 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 6 states. [2019-01-14 19:22:27,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:27,038 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2019-01-14 19:22:27,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 19:22:27,040 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-14 19:22:27,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:27,042 INFO L225 Difference]: With dead ends: 85 [2019-01-14 19:22:27,042 INFO L226 Difference]: Without dead ends: 85 [2019-01-14 19:22:27,043 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-14 19:22:27,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-01-14 19:22:27,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 68. [2019-01-14 19:22:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-14 19:22:27,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2019-01-14 19:22:27,055 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 24 [2019-01-14 19:22:27,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:27,056 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2019-01-14 19:22:27,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-14 19:22:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2019-01-14 19:22:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-14 19:22:27,058 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:27,058 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:22:27,059 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_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_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, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:27,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:27,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1050522940, now seen corresponding path program 1 times [2019-01-14 19:22:27,060 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:22:27,060 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 [2019-01-14 19:22:27,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:27,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:22:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:27,275 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:22:27,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:27,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-14 19:22:27,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-14 19:22:27,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 19:22:27,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-14 19:22:27,280 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 6 states. [2019-01-14 19:22:27,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:27,407 INFO L93 Difference]: Finished difference Result 74 states and 80 transitions. [2019-01-14 19:22:27,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 19:22:27,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-14 19:22:27,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:27,413 INFO L225 Difference]: With dead ends: 74 [2019-01-14 19:22:27,413 INFO L226 Difference]: Without dead ends: 73 [2019-01-14 19:22:27,414 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-14 19:22:27,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-01-14 19:22:27,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2019-01-14 19:22:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-14 19:22:27,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-01-14 19:22:27,423 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 24 [2019-01-14 19:22:27,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:27,424 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2019-01-14 19:22:27,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-14 19:22:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2019-01-14 19:22:27,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-14 19:22:27,425 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:27,425 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:22:27,427 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_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_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, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:27,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:27,427 INFO L82 PathProgramCache]: Analyzing trace with hash -712911632, now seen corresponding path program 1 times [2019-01-14 19:22:27,428 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:22:27,428 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 [2019-01-14 19:22:27,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:27,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:22:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:27,621 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:22:27,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:27,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:22:27,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:22:27,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:22:27,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:27,624 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 5 states. [2019-01-14 19:22:27,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:27,731 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2019-01-14 19:22:27,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:22:27,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-14 19:22:27,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:27,734 INFO L225 Difference]: With dead ends: 71 [2019-01-14 19:22:27,734 INFO L226 Difference]: Without dead ends: 71 [2019-01-14 19:22:27,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:22:27,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-01-14 19:22:27,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2019-01-14 19:22:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-14 19:22:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2019-01-14 19:22:27,744 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 24 [2019-01-14 19:22:27,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:27,744 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2019-01-14 19:22:27,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:22:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2019-01-14 19:22:27,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-14 19:22:27,745 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:27,745 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] [2019-01-14 19:22:27,747 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_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_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, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:27,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:27,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1995881002, now seen corresponding path program 1 times [2019-01-14 19:22:27,748 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:22:27,748 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 [2019-01-14 19:22:27,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:27,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:22:27,852 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 [2019-01-14 19:22:27,854 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:22:27,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:22:27,860 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-14 19:22:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:27,916 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:22:27,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:27,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:22:27,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-14 19:22:27,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 19:22:27,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-14 19:22:27,927 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 6 states. [2019-01-14 19:22:28,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:22:28,205 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2019-01-14 19:22:28,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 19:22:28,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-01-14 19:22:28,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:22:28,209 INFO L225 Difference]: With dead ends: 79 [2019-01-14 19:22:28,209 INFO L226 Difference]: Without dead ends: 79 [2019-01-14 19:22:28,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-14 19:22:28,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-01-14 19:22:28,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 64. [2019-01-14 19:22:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-14 19:22:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2019-01-14 19:22:28,217 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 25 [2019-01-14 19:22:28,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:22:28,218 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2019-01-14 19:22:28,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-14 19:22:28,219 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2019-01-14 19:22:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-14 19:22:28,220 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:22:28,220 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:22:28,220 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_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_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, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:22:28,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:22:28,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1006314639, now seen corresponding path program 1 times [2019-01-14 19:22:28,224 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:22:28,224 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 [2019-01-14 19:22:28,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:22:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:22:28,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:22:28,401 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 13 treesize of output 15 [2019-01-14 19:22:28,408 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:22:28,410 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-01-14 19:22:28,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:22:28,425 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:22:28,430 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2019-01-14 19:22:28,468 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:22:28,595 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 17 treesize of output 15 [2019-01-14 19:22:28,597 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-14 19:22:28,769 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-14 19:22:28,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-14 19:22:28,820 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:18, output treesize:19 [2019-01-14 19:22:31,004 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_entry_point_~#a7~0.base_8| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_~#a7~0.base_8|)) (= |c_#valid| (store |c_old(#valid)| |v_entry_point_~#a7~0.base_8| (_ bv0 1))))) is different from true [2019-01-14 19:22:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:22:31,051 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:22:31,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:22:31,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-14 19:22:31,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 19:22:31,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 19:22:31,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=26, Unknown=1, NotChecked=10, Total=56 [2019-01-14 19:22:31,064 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 8 states. [2019-01-14 19:22:59,441 WARN L181 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2019-01-14 19:23:15,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:23:15,736 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2019-01-14 19:23:15,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 19:23:15,737 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-01-14 19:23:15,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:23:15,738 INFO L225 Difference]: With dead ends: 86 [2019-01-14 19:23:15,738 INFO L226 Difference]: Without dead ends: 76 [2019-01-14 19:23:15,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=23, Invalid=36, Unknown=1, NotChecked=12, Total=72 [2019-01-14 19:23:15,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-01-14 19:23:15,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 65. [2019-01-14 19:23:15,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-14 19:23:15,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2019-01-14 19:23:15,749 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 24 [2019-01-14 19:23:15,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:23:15,749 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2019-01-14 19:23:15,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 19:23:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2019-01-14 19:23:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-14 19:23:15,750 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:23:15,750 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:23:15,752 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_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_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, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:23:15,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:23:15,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1246987722, now seen corresponding path program 1 times [2019-01-14 19:23:15,753 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:23:15,753 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 [2019-01-14 19:23:15,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:23:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:23:15,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:23:15,858 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 [2019-01-14 19:23:15,858 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:23:15,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:23:15,861 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-14 19:23:16,315 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 [2019-01-14 19:23:16,331 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 [2019-01-14 19:23:16,332 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:23:16,339 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. [2019-01-14 19:23:16,339 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-14 19:23:16,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:23:16,401 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:23:16,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:23:16,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-14 19:23:16,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 19:23:16,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 19:23:16,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2019-01-14 19:23:16,408 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 8 states. [2019-01-14 19:23:21,122 WARN L181 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2019-01-14 19:23:22,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:23:22,137 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2019-01-14 19:23:22,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-14 19:23:22,137 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-14 19:23:22,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:23:22,139 INFO L225 Difference]: With dead ends: 74 [2019-01-14 19:23:22,139 INFO L226 Difference]: Without dead ends: 74 [2019-01-14 19:23:22,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=43, Invalid=84, Unknown=9, NotChecked=20, Total=156 [2019-01-14 19:23:22,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-01-14 19:23:22,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2019-01-14 19:23:22,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-14 19:23:22,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2019-01-14 19:23:22,145 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 29 [2019-01-14 19:23:22,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:23:22,146 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2019-01-14 19:23:22,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 19:23:22,146 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2019-01-14 19:23:22,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-14 19:23:22,148 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:23:22,148 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:23:22,148 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_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_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, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:23:22,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:23:22,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1246987723, now seen corresponding path program 1 times [2019-01-14 19:23:22,149 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:23:22,149 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 [2019-01-14 19:23:22,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:23:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:23:22,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:23:22,290 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 [2019-01-14 19:23:22,291 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:23:22,305 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 [2019-01-14 19:23:22,306 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:23:22,314 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:23:22,315 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-14 19:23:23,541 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-14 19:23:23,567 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:23:23,569 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:23:23,570 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 13 treesize of output 4 [2019-01-14 19:23:23,570 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:23:23,594 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-14 19:23:23,595 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:23:23,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:23:23,611 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-01-14 19:23:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:23:23,890 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:23:23,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:23:23,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-14 19:23:23,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-14 19:23:23,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-14 19:23:23,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-14 19:23:23,894 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 9 states. [2019-01-14 19:23:24,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:23:24,238 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2019-01-14 19:23:24,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-14 19:23:24,239 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2019-01-14 19:23:24,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:23:24,240 INFO L225 Difference]: With dead ends: 65 [2019-01-14 19:23:24,240 INFO L226 Difference]: Without dead ends: 48 [2019-01-14 19:23:24,241 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=39, Invalid=74, Unknown=1, NotChecked=18, Total=132 [2019-01-14 19:23:24,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-01-14 19:23:24,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2019-01-14 19:23:24,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-14 19:23:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-01-14 19:23:24,246 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 29 [2019-01-14 19:23:24,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:23:24,247 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-01-14 19:23:24,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-14 19:23:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-01-14 19:23:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-14 19:23:24,248 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:23:24,249 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] [2019-01-14 19:23:24,249 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_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_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, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:23:24,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:23:24,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1645310519, now seen corresponding path program 1 times [2019-01-14 19:23:24,252 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:23:24,252 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 [2019-01-14 19:23:24,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:23:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:23:24,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:23:24,393 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 13 treesize of output 15 [2019-01-14 19:23:24,397 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:23:24,398 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-01-14 19:23:24,398 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:23:24,405 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:23:24,409 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2019-01-14 19:23:24,416 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:23:24,430 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 17 treesize of output 15 [2019-01-14 19:23:24,431 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-14 19:23:24,445 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-14 19:23:24,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-14 19:23:24,458 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:18, output treesize:19 [2019-01-14 19:23:24,626 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:23:24,627 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2019-01-14 19:23:24,627 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:23:24,633 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. [2019-01-14 19:23:24,633 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2019-01-14 19:23:26,042 WARN L860 $PredicateComparison]: unable to prove that (exists ((probe1_6_~p~0.base (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| probe1_6_~p~0.base)) (= |c_#valid| (store |c_old(#valid)| probe1_6_~p~0.base (_ bv0 1))))) is different from true [2019-01-14 19:23:28,989 WARN L181 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-14 19:23:30,024 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_entry_point_~#a7~0.base_9| (_ BitVec 32)) (probe1_6_~p~0.base (_ BitVec 32))) (let ((.cse0 (store |c_old(#valid)| |v_entry_point_~#a7~0.base_9| (_ bv1 1)))) (and (= (select .cse0 probe1_6_~p~0.base) (_ bv0 1)) (= (store (store .cse0 probe1_6_~p~0.base (_ bv0 1)) |v_entry_point_~#a7~0.base_9| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_~#a7~0.base_9|))))) is different from true [2019-01-14 19:23:30,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:23:30,070 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:23:30,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:23:30,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-01-14 19:23:30,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-14 19:23:30,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-14 19:23:30,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=81, Unknown=3, NotChecked=38, Total=156 [2019-01-14 19:23:30,083 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 13 states. [2019-01-14 19:23:40,828 WARN L181 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2019-01-14 19:23:46,992 WARN L181 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2019-01-14 19:23:49,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:23:49,125 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-01-14 19:23:49,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-14 19:23:49,126 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2019-01-14 19:23:49,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:23:49,127 INFO L225 Difference]: With dead ends: 55 [2019-01-14 19:23:49,127 INFO L226 Difference]: Without dead ends: 43 [2019-01-14 19:23:49,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=43, Invalid=117, Unknown=4, NotChecked=46, Total=210 [2019-01-14 19:23:49,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-14 19:23:49,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-14 19:23:49,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-14 19:23:49,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2019-01-14 19:23:49,133 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 33 [2019-01-14 19:23:49,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:23:49,133 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2019-01-14 19:23:49,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-14 19:23:49,133 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2019-01-14 19:23:49,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-14 19:23:49,134 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:23:49,135 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] [2019-01-14 19:23:49,137 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_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_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, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:23:49,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:23:49,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1598068702, now seen corresponding path program 1 times [2019-01-14 19:23:49,137 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:23:49,138 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 [2019-01-14 19:23:49,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:23:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:23:49,210 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:23:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:23:49,249 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:23:49,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:23:49,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:23:49,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:23:49,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:23:49,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:23:49,252 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 5 states. [2019-01-14 19:23:49,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:23:49,264 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2019-01-14 19:23:49,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:23:49,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-01-14 19:23:49,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:23:49,265 INFO L225 Difference]: With dead ends: 43 [2019-01-14 19:23:49,266 INFO L226 Difference]: Without dead ends: 43 [2019-01-14 19:23:49,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:23:49,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-14 19:23:49,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-14 19:23:49,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-14 19:23:49,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2019-01-14 19:23:49,271 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 38 [2019-01-14 19:23:49,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:23:49,271 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2019-01-14 19:23:49,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:23:49,271 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-01-14 19:23:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-01-14 19:23:49,272 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:23:49,273 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:23:49,276 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_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_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, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-14 19:23:49,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:23:49,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1326883931, now seen corresponding path program 1 times [2019-01-14 19:23:49,277 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:23:49,277 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 [2019-01-14 19:23:49,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:23:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:23:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:23:49,585 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 19:23:49,603 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-14 19:23:49,610 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# [2019-01-14 19:23:49,610 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# [2019-01-14 19:23:49,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 07:23:49 BoogieIcfgContainer [2019-01-14 19:23:49,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 19:23:49,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 19:23:49,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 19:23:49,626 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 19:23:49,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:22:25" (3/4) ... [2019-01-14 19:23:49,643 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 19:23:49,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 19:23:49,644 INFO L168 Benchmark]: Toolchain (without parser) took 87649.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 940.6 MB in the beginning and 951.2 MB in the end (delta: -10.6 MB). Peak memory consumption was 204.4 MB. Max. memory is 11.5 GB. [2019-01-14 19:23:49,648 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-01-14 19:23:49,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-01-14 19:23:49,650 INFO L168 Benchmark]: Boogie Preprocessor took 138.29 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-14 19:23:49,654 INFO L168 Benchmark]: RCFGBuilder took 2625.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.6 MB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 11.5 GB. [2019-01-14 19:23:49,655 INFO L168 Benchmark]: TraceAbstraction took 84065.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 999.6 MB in the beginning and 951.2 MB in the end (delta: 48.4 MB). Peak memory consumption was 112.4 MB. Max. memory is 11.5 GB. [2019-01-14 19:23:49,655 INFO L168 Benchmark]: Witness Printer took 17.00 ms. Allocated memory is still 1.2 GB. Free memory is still 951.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:23:49,662 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 797.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 138.29 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2625.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.6 MB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 84065.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 999.6 MB in the beginning and 951.2 MB in the end (delta: 48.4 MB). Peak memory consumption was 112.4 MB. Max. memory is 11.5 GB. * Witness Printer took 17.00 ms. Allocated memory is still 1.2 GB. Free memory is still 951.2 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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1473]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1473. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-1943730110:0}] [L1474] CALL entry_point() VAL [ldv_global_msg_list={-1943730110:0}] [L1466] struct A a7; VAL [a7={-1406859198:0}, ldv_global_msg_list={-1943730110:0}] [L1467] CALL, EXPR probe1_6(&a7) VAL [a={-1406859198:0}, ldv_global_msg_list={-1943730110:0}] [L1443] int ret = - -3; VAL [a={-1406859198:0}, a={-1406859198:0}, ldv_global_msg_list={-1943730110:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-1943730110:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={-869988286:0}, ldv_global_msg_list={-1943730110:0}, malloc(size)={-869988286:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={-1406859198:0}, a={-1406859198:0}, ldv_global_msg_list={-1943730110:0}, ldv_malloc(sizeof(int))={-869988286:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={-1406859198:0}, a={-1406859198:0}, ldv_global_msg_list={-1943730110:0}, p={-869988286:0}, ret=3] [L1447] CALL, EXPR f6() VAL [ldv_global_msg_list={-1943730110:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={-1406859198:0}, a={-1406859198:0}, f6()=0, ldv_global_msg_list={-1943730110:0}, p={-869988286:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={-1406859198:0}, a={-1406859198:0}, ldv_global_msg_list={-1943730110:0}, p={-869988286:0}, ret=0] [L1450] CALL, EXPR g6() VAL [ldv_global_msg_list={-1943730110:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={-1406859198:0}, a={-1406859198:0}, g6()=0, ldv_global_msg_list={-1943730110:0}, p={-869988286:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={-1406859198:0}, a={-1406859198:0}, ldv_global_msg_list={-1943730110:0}, p={-869988286:0}, ret=0] [L1453] a->p = p VAL [a={-1406859198:0}, a={-1406859198:0}, ldv_global_msg_list={-1943730110:0}, p={-869988286:0}, ret=0] [L1454] return 0; VAL [\result=0, a={-1406859198:0}, a={-1406859198:0}, ldv_global_msg_list={-1943730110:0}, p={-869988286:0}, ret=0] [L1467] RET, EXPR probe1_6(&a7) VAL [a7={-1406859198:0}, ldv_global_msg_list={-1943730110:0}, probe1_6(&a7)=0] [L1467] int ret = probe1_6(&a7); [L1468] COND TRUE ret==0 VAL [a7={-1406859198:0}, ldv_global_msg_list={-1943730110:0}, ret=0] [L1469] FCALL disconnect_2_6(&a7) VAL [a7={-1406859198:0}, ldv_global_msg_list={-1943730110:0}, ret=0] [L1474] RET entry_point() VAL [ldv_global_msg_list={-1943730110:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 353 locations, 76 error locations. UNSAFE Result, 83.9s OverallTime, 11 OverallIterations, 1 TraceHistogramMax, 70.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 500 SDtfs, 384 SDslu, 1225 SDs, 0 SdLazy, 716 SolverSat, 121 SolverUnsat, 25 SolverUnknown, 0 SolverNotchecked, 52.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 202 SyntacticMatches, 11 SemanticMatches, 63 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 28.4s 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: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 69 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 315 NumberOfCodeBlocks, 315 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 263 ConstructedInterpolants, 44 QuantifiedInterpolants, 34243 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1096 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...