./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 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_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 0.1.24-2e94e6a [2019-01-01 18:26:44,092 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:26:44,094 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:26:44,107 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:26:44,107 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:26:44,108 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:26:44,109 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:26:44,112 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:26:44,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:26:44,116 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:26:44,117 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:26:44,117 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:26:44,118 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:26:44,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:26:44,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:26:44,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:26:44,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:26:44,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:26:44,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:26:44,129 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:26:44,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:26:44,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:26:44,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:26:44,135 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:26:44,136 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:26:44,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:26:44,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:26:44,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:26:44,140 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:26:44,142 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:26:44,142 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:26:44,143 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:26:44,143 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:26:44,144 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:26:44,145 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:26:44,146 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:26:44,146 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 18:26:44,162 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:26:44,162 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:26:44,164 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:26:44,164 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:26:44,164 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:26:44,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:26:44,165 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:26:44,165 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:26:44,165 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:26:44,165 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:26:44,166 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:26:44,166 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:26:44,166 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:26:44,166 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:26:44,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:26:44,167 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:26:44,168 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:26:44,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:26:44,169 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:26:44,169 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:26:44,169 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:26:44,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:26:44,169 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:26:44,170 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:26:44,171 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 18:26:44,171 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:26:44,171 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 [2019-01-01 18:26:44,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:26:44,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:26:44,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:26:44,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:26:44,230 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:26:44,231 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-01 18:26:44,309 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ce29617/965a30f3ba8248f2ae57b6c5561dc4a8/FLAG00e35ce26 [2019-01-01 18:26:44,874 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:26:44,881 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-01 18:26:44,909 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ce29617/965a30f3ba8248f2ae57b6c5561dc4a8/FLAG00e35ce26 [2019-01-01 18:26:45,150 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ce29617/965a30f3ba8248f2ae57b6c5561dc4a8 [2019-01-01 18:26:45,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:26:45,156 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:26:45,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:26:45,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:26:45,162 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:26:45,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:26:45" (1/1) ... [2019-01-01 18:26:45,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4ffb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:45, skipping insertion in model container [2019-01-01 18:26:45,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:26:45" (1/1) ... [2019-01-01 18:26:45,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:26:45,249 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:26:45,682 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:26:45,709 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:26:45,886 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:26:45,978 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:26:45,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:45 WrapperNode [2019-01-01 18:26:45,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:26:45,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:26:45,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:26:45,981 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:26:45,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:45" (1/1) ... [2019-01-01 18:26:45,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:45" (1/1) ... [2019-01-01 18:26:46,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:45" (1/1) ... [2019-01-01 18:26:46,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:45" (1/1) ... [2019-01-01 18:26:46,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:45" (1/1) ... [2019-01-01 18:26:46,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:45" (1/1) ... [2019-01-01 18:26:46,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:45" (1/1) ... [2019-01-01 18:26:46,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:26:46,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:26:46,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:26:46,089 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:26:46,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:26:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:26:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:26:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:26:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:26:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:26:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:26:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:26:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:26:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:26:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:26:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:26:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:26:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:26:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:26:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:26:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:26:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:26:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:26:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:26:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:26:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:26:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:26:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:26:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:26:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:26:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:26:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:26:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:26:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:26:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:26:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:26:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:26:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:26:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:26:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:26:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:26:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:26:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:26:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-01 18:26:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-01 18:26:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-01-01 18:26:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-01-01 18:26:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:26:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:26:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:26:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:26:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:26:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:26:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:26:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:26:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:26:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:26:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:26:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:26:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:26:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:26:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:26:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:26:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:26:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:26:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:26:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:26:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:26:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:26:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:26:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:26:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:26:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:26:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:26:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:26:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:26:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:26:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:26:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:26:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:26:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:26:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:26:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:26:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:26:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:26:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:26:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:26:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:26:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:26:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:26:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:26:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:26:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:26:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:26:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:26:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:26:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:26:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:26:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:26:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:26:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:26:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:26:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:26:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:26:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:26:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:26:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:26:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:26:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:26:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:26:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:26:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:26:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:26:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:26:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:26:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:26:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:26:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:26:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:26:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:26:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:26:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:26:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:26:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:26:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:26:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:26:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:26:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:26:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:26:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:26:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:26:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:26:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:26:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:26:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:26:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:26:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:26:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:26:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:26:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:26:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:26:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:26:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:26:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:26:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:26:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:26:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:26:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:26:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:26:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:26:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:26:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:26:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:26:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:26:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:26:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:26:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:26:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:26:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:26:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:26:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:26:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:26:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:26:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:26:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:26:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:26:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:26:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:26:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:26:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:26:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:26:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:26:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:26:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:26:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:26:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:26:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:26:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:26:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:26:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:26:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:26:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:26:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:26:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 18:26:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 18:26:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:26:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:26:46,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:26:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:26:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:26:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:26:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:26:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:26:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:26:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:26:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:26:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:26:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:26:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:26:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:26:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:26:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:26:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-01 18:26:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-01 18:26:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-01-01 18:26:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-01-01 18:26:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:26:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:26:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:26:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:26:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:26:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:26:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:26:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:26:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-01 18:26:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-01 18:26:47,020 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:26:47,562 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:26:48,503 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:26:48,503 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-01 18:26:48,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:26:48 BoogieIcfgContainer [2019-01-01 18:26:48,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:26:48,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:26:48,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:26:48,509 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:26:48,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:26:45" (1/3) ... [2019-01-01 18:26:48,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e18f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:26:48, skipping insertion in model container [2019-01-01 18:26:48,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:45" (2/3) ... [2019-01-01 18:26:48,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e18f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:26:48, skipping insertion in model container [2019-01-01 18:26:48,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:26:48" (3/3) ... [2019-01-01 18:26:48,514 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-01 18:26:48,526 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:26:48,542 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 76 error locations. [2019-01-01 18:26:48,561 INFO L257 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2019-01-01 18:26:48,593 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:26:48,594 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:26:48,595 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:26:48,595 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:26:48,595 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:26:48,595 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:26:48,597 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:26:48,597 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:26:48,597 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:26:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-01-01 18:26:48,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:26:48,632 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:48,633 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:48,636 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:48,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:48,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1171481209, now seen corresponding path program 1 times [2019-01-01 18:26:48,645 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:48,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:48,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:48,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:48,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:49,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:49,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:26:49,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:49,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:49,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:49,168 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 5 states. [2019-01-01 18:26:49,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:49,409 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-01-01 18:26:49,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:49,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-01 18:26:49,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:49,423 INFO L225 Difference]: With dead ends: 53 [2019-01-01 18:26:49,423 INFO L226 Difference]: Without dead ends: 50 [2019-01-01 18:26:49,425 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:49,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-01 18:26:49,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-01-01 18:26:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-01 18:26:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2019-01-01 18:26:49,471 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2019-01-01 18:26:49,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:49,472 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2019-01-01 18:26:49,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2019-01-01 18:26:49,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:26:49,473 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:49,474 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:49,474 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:49,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:49,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1956178684, now seen corresponding path program 1 times [2019-01-01 18:26:49,475 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:49,475 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:49,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:49,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:49,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:49,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:49,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:26:49,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:49,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:49,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:49,670 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 5 states. [2019-01-01 18:26:49,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:49,877 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2019-01-01 18:26:49,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:49,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-01 18:26:49,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:49,883 INFO L225 Difference]: With dead ends: 68 [2019-01-01 18:26:49,883 INFO L226 Difference]: Without dead ends: 68 [2019-01-01 18:26:49,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:49,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-01 18:26:49,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 62. [2019-01-01 18:26:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-01 18:26:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2019-01-01 18:26:49,899 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 24 [2019-01-01 18:26:49,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:49,901 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2019-01-01 18:26:49,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:49,901 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2019-01-01 18:26:49,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:26:49,903 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:49,903 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:49,904 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:49,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:49,905 INFO L82 PathProgramCache]: Analyzing trace with hash 2045385605, now seen corresponding path program 1 times [2019-01-01 18:26:49,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:49,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:49,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:49,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:49,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:50,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:50,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:26:50,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:50,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:50,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,044 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand 5 states. [2019-01-01 18:26:50,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:50,093 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2019-01-01 18:26:50,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:50,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-01 18:26:50,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:50,098 INFO L225 Difference]: With dead ends: 55 [2019-01-01 18:26:50,098 INFO L226 Difference]: Without dead ends: 55 [2019-01-01 18:26:50,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-01 18:26:50,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2019-01-01 18:26:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-01 18:26:50,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2019-01-01 18:26:50,114 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2019-01-01 18:26:50,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:50,115 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2019-01-01 18:26:50,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:50,115 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2019-01-01 18:26:50,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:26:50,116 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:50,116 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:50,117 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:50,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:50,117 INFO L82 PathProgramCache]: Analyzing trace with hash -995837552, now seen corresponding path program 1 times [2019-01-01 18:26:50,117 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:50,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:50,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:50,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:50,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:50,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:26:50,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:50,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:50,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,238 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 5 states. [2019-01-01 18:26:50,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:50,297 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-01-01 18:26:50,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:50,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-01 18:26:50,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:50,300 INFO L225 Difference]: With dead ends: 55 [2019-01-01 18:26:50,300 INFO L226 Difference]: Without dead ends: 55 [2019-01-01 18:26:50,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-01 18:26:50,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2019-01-01 18:26:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-01 18:26:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 56 transitions. [2019-01-01 18:26:50,307 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 56 transitions. Word has length 24 [2019-01-01 18:26:50,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:50,307 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 56 transitions. [2019-01-01 18:26:50,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:50,307 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2019-01-01 18:26:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-01 18:26:50,308 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:50,308 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] [2019-01-01 18:26:50,309 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:50,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:50,310 INFO L82 PathProgramCache]: Analyzing trace with hash -511996631, now seen corresponding path program 1 times [2019-01-01 18:26:50,310 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:50,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:50,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:50,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:50,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:50,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:26:50,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:50,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:50,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,410 INFO L87 Difference]: Start difference. First operand 53 states and 56 transitions. Second operand 5 states. [2019-01-01 18:26:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:50,531 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-01-01 18:26:50,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:50,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-01 18:26:50,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:50,534 INFO L225 Difference]: With dead ends: 54 [2019-01-01 18:26:50,534 INFO L226 Difference]: Without dead ends: 54 [2019-01-01 18:26:50,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:50,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-01-01 18:26:50,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2019-01-01 18:26:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-01 18:26:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2019-01-01 18:26:50,540 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 25 [2019-01-01 18:26:50,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:50,541 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2019-01-01 18:26:50,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2019-01-01 18:26:50,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:26:50,542 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:50,542 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:50,543 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:50,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:50,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1289240559, now seen corresponding path program 1 times [2019-01-01 18:26:50,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:50,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:50,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:50,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:50,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:50,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 18:26:50,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 18:26:50,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 18:26:50,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 18:26:50,688 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 4 states. [2019-01-01 18:26:50,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:50,843 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2019-01-01 18:26:50,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 18:26:50,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-01-01 18:26:50,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:50,846 INFO L225 Difference]: With dead ends: 61 [2019-01-01 18:26:50,846 INFO L226 Difference]: Without dead ends: 48 [2019-01-01 18:26:50,846 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 [2019-01-01 18:26:50,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-01-01 18:26:50,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-01-01 18:26:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-01 18:26:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2019-01-01 18:26:50,851 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 24 [2019-01-01 18:26:50,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:50,852 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2019-01-01 18:26:50,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 18:26:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2019-01-01 18:26:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 18:26:50,853 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:50,853 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:50,854 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:50,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:50,854 INFO L82 PathProgramCache]: Analyzing trace with hash 114706589, now seen corresponding path program 1 times [2019-01-01 18:26:50,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:50,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:50,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:50,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:51,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:51,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:51,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:26:51,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:26:51,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:26:51,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:26:51,053 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 8 states. [2019-01-01 18:26:51,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:51,558 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-01-01 18:26:51,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:26:51,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-01 18:26:51,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:51,561 INFO L225 Difference]: With dead ends: 53 [2019-01-01 18:26:51,561 INFO L226 Difference]: Without dead ends: 53 [2019-01-01 18:26:51,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-01-01 18:26:51,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-01-01 18:26:51,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2019-01-01 18:26:51,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-01 18:26:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2019-01-01 18:26:51,566 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 29 [2019-01-01 18:26:51,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:51,567 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2019-01-01 18:26:51,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:26:51,567 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2019-01-01 18:26:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 18:26:51,568 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:51,568 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:51,569 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:51,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:51,569 INFO L82 PathProgramCache]: Analyzing trace with hash 114706590, now seen corresponding path program 1 times [2019-01-01 18:26:51,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:51,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:51,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:51,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:51,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:51,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:51,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:26:51,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:26:51,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:26:51,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:26:51,826 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 8 states. [2019-01-01 18:26:52,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:52,087 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2019-01-01 18:26:52,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:26:52,088 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-01 18:26:52,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:52,091 INFO L225 Difference]: With dead ends: 46 [2019-01-01 18:26:52,091 INFO L226 Difference]: Without dead ends: 46 [2019-01-01 18:26:52,092 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 [2019-01-01 18:26:52,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-01 18:26:52,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-01-01 18:26:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-01 18:26:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-01-01 18:26:52,101 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 29 [2019-01-01 18:26:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:52,101 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-01-01 18:26:52,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:26:52,102 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-01-01 18:26:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-01 18:26:52,108 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:52,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:26:52,109 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:52,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:52,109 INFO L82 PathProgramCache]: Analyzing trace with hash 47713307, now seen corresponding path program 1 times [2019-01-01 18:26:52,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:52,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:52,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:52,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:52,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:52,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:52,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:26:52,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:26:52,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:26:52,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:26:52,958 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 8 states. [2019-01-01 18:26:53,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:53,599 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-01-01 18:26:53,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:26:53,600 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-01-01 18:26:53,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:53,602 INFO L225 Difference]: With dead ends: 55 [2019-01-01 18:26:53,602 INFO L226 Difference]: Without dead ends: 43 [2019-01-01 18:26:53,602 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:26:53,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-01 18:26:53,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-01 18:26:53,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-01 18:26:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2019-01-01 18:26:53,608 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 33 [2019-01-01 18:26:53,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:53,609 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2019-01-01 18:26:53,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:26:53,609 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2019-01-01 18:26:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-01 18:26:53,610 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:53,610 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] [2019-01-01 18:26:53,610 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:53,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:53,613 INFO L82 PathProgramCache]: Analyzing trace with hash 864639070, now seen corresponding path program 1 times [2019-01-01 18:26:53,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:53,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:53,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:53,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:53,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:26:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:26:53,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:26:53,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:26:53,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:26:53,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:26:53,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:53,872 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 5 states. [2019-01-01 18:26:53,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:26:53,935 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2019-01-01 18:26:53,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:26:53,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-01-01 18:26:53,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:26:53,938 INFO L225 Difference]: With dead ends: 43 [2019-01-01 18:26:53,938 INFO L226 Difference]: Without dead ends: 43 [2019-01-01 18:26:53,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:26:53,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-01 18:26:53,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-01 18:26:53,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-01 18:26:53,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2019-01-01 18:26:53,943 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 38 [2019-01-01 18:26:53,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:26:53,944 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2019-01-01 18:26:53,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:26:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-01-01 18:26:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-01-01 18:26:53,947 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:26:53,947 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] [2019-01-01 18:26:53,948 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-01 18:26:53,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:26:53,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1477679451, now seen corresponding path program 1 times [2019-01-01 18:26:53,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:26:53,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:26:53,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:53,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:26:53,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:26:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:26:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:26:54,025 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:26:54,055 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 18:26:54,069 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:26:54,070 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:26:54,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:26:54 BoogieIcfgContainer [2019-01-01 18:26:54,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:26:54,100 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:26:54,100 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:26:54,100 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:26:54,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:26:48" (3/4) ... [2019-01-01 18:26:54,108 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 18:26:54,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:26:54,109 INFO L168 Benchmark]: Toolchain (without parser) took 8954.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2019-01-01 18:26:54,113 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:26:54,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -138.0 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2019-01-01 18:26:54,117 INFO L168 Benchmark]: Boogie Preprocessor took 108.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:26:54,120 INFO L168 Benchmark]: RCFGBuilder took 2416.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.1 MB in the end (delta: 107.3 MB). Peak memory consumption was 107.3 MB. Max. memory is 11.5 GB. [2019-01-01 18:26:54,122 INFO L168 Benchmark]: TraceAbstraction took 5593.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 978.1 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:26:54,124 INFO L168 Benchmark]: Witness Printer took 8.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:26:54,130 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 821.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -138.0 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 108.92 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 2416.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.1 MB in the end (delta: 107.3 MB). Peak memory consumption was 107.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5593.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 978.1 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 8.91 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()=6, 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=6] [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=6] [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, 350 locations, 76 error locations. UNSAFE Result, 5.5s OverallTime, 11 OverallIterations, 1 TraceHistogramMax, 2.3s 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, 2.2s 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, 18 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s 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 0.1.24-2e94e6a [2019-01-01 18:26:56,578 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:26:56,583 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:26:56,601 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:26:56,602 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:26:56,603 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:26:56,604 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:26:56,607 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:26:56,608 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:26:56,609 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:26:56,610 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:26:56,611 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:26:56,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:26:56,613 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:26:56,614 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:26:56,615 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:26:56,616 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:26:56,618 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:26:56,620 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:26:56,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:26:56,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:26:56,625 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:26:56,627 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:26:56,628 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:26:56,628 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:26:56,629 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:26:56,630 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:26:56,632 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:26:56,633 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:26:56,634 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:26:56,634 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:26:56,635 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:26:56,635 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:26:56,636 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:26:56,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:26:56,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:26:56,638 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-01 18:26:56,657 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:26:56,658 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:26:56,659 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:26:56,659 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:26:56,659 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:26:56,660 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:26:56,660 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:26:56,661 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:26:56,661 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:26:56,661 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:26:56,661 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:26:56,661 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:26:56,661 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:26:56,662 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:26:56,662 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:26:56,662 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-01 18:26:56,662 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-01 18:26:56,662 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:26:56,662 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:26:56,664 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:26:56,664 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:26:56,664 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:26:56,665 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:26:56,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:26:56,665 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:26:56,665 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:26:56,666 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-01 18:26:56,666 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:26:56,666 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-01 18:26:56,666 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 [2019-01-01 18:26:56,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:26:56,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:26:56,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:26:56,721 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:26:56,722 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:26:56,723 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-01 18:26:56,781 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d66f84079/b5f0ce326e1d4fcfa6e4b258fc826877/FLAGb7f68597d [2019-01-01 18:26:57,392 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:26:57,393 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-01 18:26:57,418 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d66f84079/b5f0ce326e1d4fcfa6e4b258fc826877/FLAGb7f68597d [2019-01-01 18:26:57,588 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d66f84079/b5f0ce326e1d4fcfa6e4b258fc826877 [2019-01-01 18:26:57,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:26:57,594 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:26:57,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:26:57,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:26:57,600 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:26:57,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:26:57" (1/1) ... [2019-01-01 18:26:57,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d29150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:57, skipping insertion in model container [2019-01-01 18:26:57,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:26:57" (1/1) ... [2019-01-01 18:26:57,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:26:57,671 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:26:58,227 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:26:58,336 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:26:58,446 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:26:58,537 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:26:58,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58 WrapperNode [2019-01-01 18:26:58,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:26:58,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:26:58,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:26:58,539 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:26:58,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... [2019-01-01 18:26:58,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:26:58,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:26:58,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:26:58,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:26:58,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:26:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:26:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:26:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:26:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:26:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:26:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:26:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:26:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:26:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:26:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:26:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:26:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:26:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:26:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:26:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:26:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:26:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:26:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:26:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:26:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:26:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:26:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:26:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:26:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:26:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:26:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:26:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:26:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:26:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:26:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:26:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:26:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:26:58,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:26:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:26:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:26:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:26:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:26:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:26:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-01 18:26:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-01 18:26:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-01-01 18:26:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-01-01 18:26:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:26:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:26:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:26:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:26:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:26:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:26:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:26:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:26:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:26:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:26:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:26:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:26:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:26:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:26:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:26:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:26:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:26:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:26:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:26:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:26:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:26:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:26:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:26:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:26:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:26:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:26:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:26:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:26:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:26:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:26:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:26:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:26:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:26:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:26:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:26:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:26:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:26:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:26:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:26:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:26:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:26:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:26:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:26:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:26:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:26:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:26:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:26:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:26:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:26:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:26:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:26:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:26:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:26:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:26:58,755 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:26:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:26:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:26:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:26:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:26:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:26:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:26:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:26:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:26:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:26:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:26:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:26:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:26:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:26:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:26:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:26:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:26:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:26:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:26:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:26:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:26:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:26:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:26:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:26:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:26:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:26:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:26:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:26:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:26:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:26:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:26:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:26:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:26:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:26:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:26:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:26:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:26:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:26:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:26:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:26:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:26:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:26:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:26:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:26:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:26:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:26:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:26:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:26:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:26:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:26:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:26:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:26:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:26:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:26:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:26:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:26:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:26:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:26:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:26:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:26:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:26:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:26:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:26:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:26:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:26:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:26:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:26:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:26:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:26:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:26:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:26:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:26:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:26:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:26:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:26:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:26:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:26:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:26:58,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:26:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:26:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:26:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:26:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-01 18:26:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-01 18:26:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:26:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:26:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:26:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:26:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:26:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:26:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:26:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:26:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:26:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:26:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:26:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:26:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:26:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:26:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:26:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:26:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:26:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-01 18:26:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-01 18:26:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-01-01 18:26:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-01-01 18:26:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:26:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:26:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:26:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:26:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:26:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:26:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-01 18:26:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-01 18:26:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:26:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:26:59,660 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:27:00,672 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:27:01,764 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:27:01,764 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-01 18:27:01,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:27:01 BoogieIcfgContainer [2019-01-01 18:27:01,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:27:01,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:27:01,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:27:01,770 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:27:01,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:26:57" (1/3) ... [2019-01-01 18:27:01,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e85fc76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:27:01, skipping insertion in model container [2019-01-01 18:27:01,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:26:58" (2/3) ... [2019-01-01 18:27:01,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e85fc76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:27:01, skipping insertion in model container [2019-01-01 18:27:01,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:27:01" (3/3) ... [2019-01-01 18:27:01,774 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-01 18:27:01,785 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:27:01,794 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 76 error locations. [2019-01-01 18:27:01,813 INFO L257 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2019-01-01 18:27:01,842 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:27:01,843 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:27:01,843 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:27:01,843 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:27:01,843 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:27:01,844 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:27:01,844 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:27:01,845 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:27:01,845 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:27:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-01-01 18:27:01,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:27:01,885 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:01,886 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:01,889 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, 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_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-01 18:27:01,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:01,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1657944519, now seen corresponding path program 1 times [2019-01-01 18:27:01,900 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:01,900 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:01,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:02,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:02,299 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2019-01-01 18:27:02,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:02,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 18:27:02,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:27:02,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:27:02,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:27:02,339 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 5 states. [2019-01-01 18:27:02,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:02,467 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-01-01 18:27:02,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:27:02,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-01 18:27:02,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:02,481 INFO L225 Difference]: With dead ends: 53 [2019-01-01 18:27:02,481 INFO L226 Difference]: Without dead ends: 50 [2019-01-01 18:27:02,483 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:27:02,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-01 18:27:02,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-01-01 18:27:02,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-01 18:27:02,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2019-01-01 18:27:02,520 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2019-01-01 18:27:02,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:02,521 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2019-01-01 18:27:02,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:27:02,521 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2019-01-01 18:27:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:27:02,523 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:02,523 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:02,524 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, 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_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-01 18:27:02,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:02,527 INFO L82 PathProgramCache]: Analyzing trace with hash -143327037, now seen corresponding path program 1 times [2019-01-01 18:27:02,527 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:02,528 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:02,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:02,642 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:03,040 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:03,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:03,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:27:03,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:27:03,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:27:03,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:27:03,047 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 6 states. [2019-01-01 18:27:03,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:03,577 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2019-01-01 18:27:03,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:27:03,581 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-01 18:27:03,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:03,586 INFO L225 Difference]: With dead ends: 85 [2019-01-01 18:27:03,587 INFO L226 Difference]: Without dead ends: 85 [2019-01-01 18:27:03,588 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:27:03,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-01-01 18:27:03,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 68. [2019-01-01 18:27:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-01 18:27:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2019-01-01 18:27:03,609 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 24 [2019-01-01 18:27:03,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:03,609 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2019-01-01 18:27:03,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:27:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2019-01-01 18:27:03,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:27:03,614 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:03,614 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:03,615 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, 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_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-01 18:27:03,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:03,615 INFO L82 PathProgramCache]: Analyzing trace with hash -436730044, now seen corresponding path program 1 times [2019-01-01 18:27:03,616 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:03,616 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:03,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:03,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:03,865 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:03,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:03,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:27:03,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:27:03,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:27:03,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:27:03,869 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 6 states. [2019-01-01 18:27:03,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:03,973 INFO L93 Difference]: Finished difference Result 74 states and 80 transitions. [2019-01-01 18:27:03,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:27:03,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-01 18:27:03,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:03,979 INFO L225 Difference]: With dead ends: 74 [2019-01-01 18:27:03,979 INFO L226 Difference]: Without dead ends: 73 [2019-01-01 18:27:03,981 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 [2019-01-01 18:27:03,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-01-01 18:27:03,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2019-01-01 18:27:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-01 18:27:03,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-01-01 18:27:03,989 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 24 [2019-01-01 18:27:03,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:03,990 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2019-01-01 18:27:03,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:27:03,990 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2019-01-01 18:27:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:27:03,991 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:03,992 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:03,992 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, 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_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-01 18:27:03,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:03,993 INFO L82 PathProgramCache]: Analyzing trace with hash -99118736, now seen corresponding path program 1 times [2019-01-01 18:27:03,993 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:03,993 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:04,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:04,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:04,266 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:04,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:04,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:27:04,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:27:04,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:27:04,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:27:04,272 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 5 states. [2019-01-01 18:27:04,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:04,457 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2019-01-01 18:27:04,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:27:04,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-01 18:27:04,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:04,460 INFO L225 Difference]: With dead ends: 71 [2019-01-01 18:27:04,460 INFO L226 Difference]: Without dead ends: 71 [2019-01-01 18:27:04,461 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 [2019-01-01 18:27:04,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-01-01 18:27:04,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2019-01-01 18:27:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-01 18:27:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2019-01-01 18:27:04,469 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 24 [2019-01-01 18:27:04,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:04,469 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2019-01-01 18:27:04,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:27:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2019-01-01 18:27:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-01 18:27:04,470 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:04,471 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] [2019-01-01 18:27:04,471 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, 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_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-01 18:27:04,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:04,472 INFO L82 PathProgramCache]: Analyzing trace with hash -148170423, now seen corresponding path program 1 times [2019-01-01 18:27:04,472 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:04,472 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:04,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:04,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:04,589 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:27:04,591 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:04,598 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:27:04,598 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:27:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:04,691 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:04,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:04,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:27:04,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 18:27:04,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 18:27:04,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-01 18:27:04,701 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 6 states. [2019-01-01 18:27:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:05,151 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2019-01-01 18:27:05,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 18:27:05,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-01-01 18:27:05,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:05,155 INFO L225 Difference]: With dead ends: 79 [2019-01-01 18:27:05,155 INFO L226 Difference]: Without dead ends: 79 [2019-01-01 18:27:05,155 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 [2019-01-01 18:27:05,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-01-01 18:27:05,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 64. [2019-01-01 18:27:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-01 18:27:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2019-01-01 18:27:05,163 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 25 [2019-01-01 18:27:05,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:05,163 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2019-01-01 18:27:05,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 18:27:05,164 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2019-01-01 18:27:05,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:27:05,166 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:05,166 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:05,166 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, 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_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-01 18:27:05,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:05,167 INFO L82 PathProgramCache]: Analyzing trace with hash -392521743, now seen corresponding path program 1 times [2019-01-01 18:27:05,168 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:05,168 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:05,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:05,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:05,335 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 [2019-01-01 18:27:05,377 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:05,379 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 [2019-01-01 18:27:05,379 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:05,442 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:27:05,446 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 [2019-01-01 18:27:05,462 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:05,476 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 [2019-01-01 18:27:05,477 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-01 18:27:05,492 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-01 18:27:05,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-01 18:27:05,510 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:18, output treesize:19 [2019-01-01 18:27:07,313 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 [2019-01-01 18:27:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:07,345 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (7)] Exception during sending of exit command (exit): Broken pipe [2019-01-01 18:27:07,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:07,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:27:07,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:27:07,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:27:07,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=26, Unknown=1, NotChecked=10, Total=56 [2019-01-01 18:27:07,350 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 8 states. [2019-01-01 18:27:33,955 WARN L181 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2019-01-01 18:27:48,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:48,198 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2019-01-01 18:27:48,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:27:48,199 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-01-01 18:27:48,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:48,201 INFO L225 Difference]: With dead ends: 86 [2019-01-01 18:27:48,201 INFO L226 Difference]: Without dead ends: 76 [2019-01-01 18:27:48,201 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=23, Invalid=36, Unknown=1, NotChecked=12, Total=72 [2019-01-01 18:27:48,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-01-01 18:27:48,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 65. [2019-01-01 18:27:48,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-01 18:27:48,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2019-01-01 18:27:48,213 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 24 [2019-01-01 18:27:48,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:48,213 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2019-01-01 18:27:48,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:27:48,214 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2019-01-01 18:27:48,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 18:27:48,215 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:48,215 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:48,216 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, 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_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-01 18:27:48,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:48,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1671580797, now seen corresponding path program 1 times [2019-01-01 18:27:48,217 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:48,217 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:48,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:48,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:48,327 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:27:48,327 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:48,330 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:27:48,330 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-01 18:27:48,933 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2019-01-01 18:27:48,947 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-01-01 18:27:48,947 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:48,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-01 18:27:48,954 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-01 18:27:49,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:49,056 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:49,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:49,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:27:49,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 18:27:49,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 18:27:49,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2019-01-01 18:27:49,059 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 8 states. [2019-01-01 18:27:54,268 WARN L181 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2019-01-01 18:27:55,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:55,324 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2019-01-01 18:27:55,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:27:55,325 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-01 18:27:55,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:55,326 INFO L225 Difference]: With dead ends: 74 [2019-01-01 18:27:55,326 INFO L226 Difference]: Without dead ends: 74 [2019-01-01 18:27:55,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=43, Invalid=84, Unknown=9, NotChecked=20, Total=156 [2019-01-01 18:27:55,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-01-01 18:27:55,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2019-01-01 18:27:55,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-01 18:27:55,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2019-01-01 18:27:55,334 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 29 [2019-01-01 18:27:55,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:55,334 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2019-01-01 18:27:55,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 18:27:55,335 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2019-01-01 18:27:55,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 18:27:55,336 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:55,337 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:55,337 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, 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_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-01 18:27:55,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:55,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1671580798, now seen corresponding path program 1 times [2019-01-01 18:27:55,338 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:55,339 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:55,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:55,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:55,478 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:27:55,479 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:55,501 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-01 18:27:55,501 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:55,514 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:27:55,514 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-01 18:27:56,527 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-01 18:27:56,536 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:56,537 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:56,538 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 [2019-01-01 18:27:56,538 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:56,563 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 [2019-01-01 18:27:56,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:56,576 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:27:56,577 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-01-01 18:27:56,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:27:56,766 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:27:56,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:27:56,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:27:56,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:27:56,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:27:56,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-01 18:27:56,769 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 9 states. [2019-01-01 18:27:57,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:27:57,104 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2019-01-01 18:27:57,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-01 18:27:57,105 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2019-01-01 18:27:57,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:27:57,106 INFO L225 Difference]: With dead ends: 65 [2019-01-01 18:27:57,106 INFO L226 Difference]: Without dead ends: 48 [2019-01-01 18:27:57,106 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=39, Invalid=74, Unknown=1, NotChecked=18, Total=132 [2019-01-01 18:27:57,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-01-01 18:27:57,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2019-01-01 18:27:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-01 18:27:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-01-01 18:27:57,110 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 29 [2019-01-01 18:27:57,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:27:57,110 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-01-01 18:27:57,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:27:57,110 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-01-01 18:27:57,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-01 18:27:57,111 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:27:57,112 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:27:57,113 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, 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_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-01 18:27:57,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:27:57,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1346283452, now seen corresponding path program 1 times [2019-01-01 18:27:57,114 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:27:57,114 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:27:57,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:27:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:27:57,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:27:57,261 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 [2019-01-01 18:27:57,265 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:57,266 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 [2019-01-01 18:27:57,267 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:57,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 18:27:57,276 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 [2019-01-01 18:27:57,284 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:57,294 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 [2019-01-01 18:27:57,296 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-01 18:27:57,313 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-01 18:27:57,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-01 18:27:57,329 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:18, output treesize:19 [2019-01-01 18:27:57,480 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 18:27:57,481 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2019-01-01 18:27:57,481 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 18:27:57,483 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-01 18:27:57,483 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2019-01-01 18:27:59,566 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 [2019-01-01 18:28:03,672 WARN L181 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 18:28:05,684 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 [2019-01-01 18:28:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:28:05,730 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:28:05,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:28:05,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-01-01 18:28:05,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-01 18:28:05,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-01 18:28:05,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=81, Unknown=3, NotChecked=38, Total=156 [2019-01-01 18:28:05,734 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 13 states. [2019-01-01 18:28:16,708 WARN L181 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2019-01-01 18:28:24,785 WARN L181 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2019-01-01 18:28:24,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:28:24,897 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-01-01 18:28:24,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-01 18:28:24,898 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2019-01-01 18:28:24,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:28:24,899 INFO L225 Difference]: With dead ends: 55 [2019-01-01 18:28:24,899 INFO L226 Difference]: Without dead ends: 43 [2019-01-01 18:28:24,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=43, Invalid=117, Unknown=4, NotChecked=46, Total=210 [2019-01-01 18:28:24,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-01 18:28:24,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-01 18:28:24,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-01 18:28:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2019-01-01 18:28:24,916 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 33 [2019-01-01 18:28:24,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:28:24,918 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2019-01-01 18:28:24,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-01 18:28:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2019-01-01 18:28:24,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-01 18:28:24,920 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:28:24,920 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] [2019-01-01 18:28:24,920 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, 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_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-01 18:28:24,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:28:24,921 INFO L82 PathProgramCache]: Analyzing trace with hash -435916546, now seen corresponding path program 1 times [2019-01-01 18:28:24,921 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:28:24,921 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:28:24,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:28:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:28:24,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 18:28:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:28:25,066 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 18:28:25,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:28:25,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 18:28:25,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 18:28:25,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 18:28:25,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 18:28:25,069 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 5 states. [2019-01-01 18:28:25,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:28:25,080 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2019-01-01 18:28:25,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 18:28:25,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-01-01 18:28:25,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:28:25,082 INFO L225 Difference]: With dead ends: 43 [2019-01-01 18:28:25,084 INFO L226 Difference]: Without dead ends: 43 [2019-01-01 18:28:25,084 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 [2019-01-01 18:28:25,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-01 18:28:25,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-01 18:28:25,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-01 18:28:25,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2019-01-01 18:28:25,090 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 38 [2019-01-01 18:28:25,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:28:25,091 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2019-01-01 18:28:25,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 18:28:25,091 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-01-01 18:28:25,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-01-01 18:28:25,092 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:28:25,092 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] [2019-01-01 18:28:25,095 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, 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_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION]=== [2019-01-01 18:28:25,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:28:25,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1341992389, now seen corresponding path program 1 times [2019-01-01 18:28:25,098 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 18:28:25,098 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 18:28:25,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:28:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:28:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:28:25,403 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:28:25,423 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 18:28:25,434 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:28:25,438 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-01 18:28:25,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:28:25 BoogieIcfgContainer [2019-01-01 18:28:25,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:28:25,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:28:25,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:28:25,466 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:28:25,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:27:01" (3/4) ... [2019-01-01 18:28:25,474 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 18:28:25,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:28:25,475 INFO L168 Benchmark]: Toolchain (without parser) took 87881.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 946.0 MB in the beginning and 952.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 201.6 MB. Max. memory is 11.5 GB. [2019-01-01 18:28:25,479 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:28:25,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 942.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2019-01-01 18:28:25,480 INFO L168 Benchmark]: Boogie Preprocessor took 121.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 18:28:25,483 INFO L168 Benchmark]: RCFGBuilder took 3104.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.8 MB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. [2019-01-01 18:28:25,484 INFO L168 Benchmark]: TraceAbstraction took 83699.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 997.8 MB in the beginning and 952.5 MB in the end (delta: 45.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 11.5 GB. [2019-01-01 18:28:25,488 INFO L168 Benchmark]: Witness Printer took 8.51 ms. Allocated memory is still 1.2 GB. Free memory is still 952.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:28:25,494 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 942.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.66 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 3104.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.8 MB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 83699.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 997.8 MB in the beginning and 952.5 MB in the end (delta: 45.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 11.5 GB. * Witness Printer took 8.51 ms. Allocated memory is still 1.2 GB. Free memory is still 952.5 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={-2078209982:0}] [L1474] CALL entry_point() VAL [ldv_global_msg_list={-2078209982:0}] [L1466] struct A a7; VAL [a7={-1541339070:0}, ldv_global_msg_list={-2078209982:0}] [L1467] CALL, EXPR probe1_6(&a7) VAL [a={-1541339070:0}, ldv_global_msg_list={-2078209982:0}] [L1443] int ret = - -3; VAL [a={-1541339070:0}, a={-1541339070:0}, ldv_global_msg_list={-2078209982:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2078209982:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={-1004468158:0}, ldv_global_msg_list={-2078209982:0}, malloc(size)={-1004468158:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={-1541339070:0}, a={-1541339070:0}, ldv_global_msg_list={-2078209982:0}, ldv_malloc(sizeof(int))={-1004468158:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={-1541339070:0}, a={-1541339070:0}, ldv_global_msg_list={-2078209982:0}, p={-1004468158:0}, ret=3] [L1447] CALL, EXPR f6() VAL [ldv_global_msg_list={-2078209982:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={-1541339070:0}, a={-1541339070:0}, f6()=0, ldv_global_msg_list={-2078209982:0}, p={-1004468158:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={-1541339070:0}, a={-1541339070:0}, ldv_global_msg_list={-2078209982:0}, p={-1004468158:0}, ret=0] [L1450] CALL, EXPR g6() VAL [ldv_global_msg_list={-2078209982:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={-1541339070:0}, a={-1541339070:0}, g6()=0, ldv_global_msg_list={-2078209982:0}, p={-1004468158:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={-1541339070:0}, a={-1541339070:0}, ldv_global_msg_list={-2078209982:0}, p={-1004468158:0}, ret=0] [L1453] a->p = p VAL [a={-1541339070:0}, a={-1541339070:0}, ldv_global_msg_list={-2078209982:0}, p={-1004468158:0}, ret=0] [L1454] return 0; VAL [\result=0, a={-1541339070:0}, a={-1541339070:0}, ldv_global_msg_list={-2078209982:0}, p={-1004468158:0}, ret=0] [L1467] RET, EXPR probe1_6(&a7) VAL [a7={-1541339070:0}, ldv_global_msg_list={-2078209982:0}, probe1_6(&a7)=0] [L1467] int ret = probe1_6(&a7); [L1468] COND TRUE ret==0 VAL [a7={-1541339070:0}, ldv_global_msg_list={-2078209982:0}, ret=0] [L1469] FCALL disconnect_2_6(&a7) VAL [a7={-1541339070:0}, ldv_global_msg_list={-2078209982:0}, ret=0] [L1474] RET entry_point() VAL [ldv_global_msg_list={-2078209982:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 349 locations, 76 error locations. UNSAFE Result, 83.6s OverallTime, 11 OverallIterations, 1 TraceHistogramMax, 68.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 500 SDtfs, 384 SDslu, 1225 SDs, 0 SdLazy, 716 SolverSat, 121 SolverUnsat, 25 SolverUnknown, 0 SolverNotchecked, 51.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 202 SyntacticMatches, 11 SemanticMatches, 63 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 29.4s 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 69 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 315 NumberOfCodeBlocks, 315 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 263 ConstructedInterpolants, 44 QuantifiedInterpolants, 34243 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1066 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...