./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_test18_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 22:51:41,661 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:51:41,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:51:41,676 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:51:41,676 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:51:41,678 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:51:41,679 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:51:41,681 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:51:41,684 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:51:41,685 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:51:41,686 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:51:41,686 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:51:41,687 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:51:41,688 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:51:41,690 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:51:41,691 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:51:41,692 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:51:41,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:51:41,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:51:41,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:51:41,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:51:41,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:51:41,704 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:51:41,705 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:51:41,705 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:51:41,706 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:51:41,707 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:51:41,708 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:51:41,709 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:51:41,711 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:51:41,711 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:51:41,712 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:51:41,712 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:51:41,712 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:51:41,714 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:51:41,714 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:51:41,715 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 22:51:41,731 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:51:41,731 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:51:41,732 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:51:41,732 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:51:41,733 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:51:41,733 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:51:41,733 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:51:41,733 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:51:41,734 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:51:41,735 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:51:41,735 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:51:41,735 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:51:41,735 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:51:41,735 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:51:41,736 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:51:41,736 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:51:41,736 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:51:41,736 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:51:41,736 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:51:41,736 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:51:41,738 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:51:41,738 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:51:41,738 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:51:41,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:51:41,739 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:51:41,739 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:51:41,739 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 22:51:41,739 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:51:41,739 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 -> 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 [2018-11-28 22:51:41,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:51:41,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:51:41,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:51:41,818 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:51:41,818 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:51:41,820 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:41,882 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6502dc05e/6218b9ec173e43ffac2c44c083084b3c/FLAG2d6cf0205 [2018-11-28 22:51:42,485 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:51:42,485 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:42,501 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6502dc05e/6218b9ec173e43ffac2c44c083084b3c/FLAG2d6cf0205 [2018-11-28 22:51:42,737 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6502dc05e/6218b9ec173e43ffac2c44c083084b3c [2018-11-28 22:51:42,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:51:42,747 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:51:42,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:51:42,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:51:42,760 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:51:42,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:51:42" (1/1) ... [2018-11-28 22:51:42,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ed2d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:42, skipping insertion in model container [2018-11-28 22:51:42,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:51:42" (1/1) ... [2018-11-28 22:51:42,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:51:42,847 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:51:43,324 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:51:43,358 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:51:43,529 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:51:43,620 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:51:43,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:43 WrapperNode [2018-11-28 22:51:43,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:51:43,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:51:43,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:51:43,623 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:51:43,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:43" (1/1) ... [2018-11-28 22:51:43,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:43" (1/1) ... [2018-11-28 22:51:43,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:43" (1/1) ... [2018-11-28 22:51:43,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:43" (1/1) ... [2018-11-28 22:51:43,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:43" (1/1) ... [2018-11-28 22:51:43,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:43" (1/1) ... [2018-11-28 22:51:43,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:43" (1/1) ... [2018-11-28 22:51:43,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:51:43,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:51:43,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:51:43,742 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:51:43,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:51:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:51:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:51:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:51:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:51:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:51:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 22:51:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 22:51:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 22:51:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 22:51:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:51:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 22:51:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 22:51:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 22:51:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 22:51:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 22:51:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 22:51:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 22:51:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 22:51:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 22:51:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 22:51:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 22:51:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 22:51:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 22:51:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 22:51:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 22:51:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 22:51:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 22:51:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 22:51:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 22:51:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 22:51:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 22:51:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 22:51:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 22:51:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 22:51:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 22:51:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 22:51:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 22:51:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 22:51:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 22:51:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:51:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 22:51:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 22:51:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 22:51:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:51:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:51:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:51:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:51:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:51:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:51:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:51:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:51:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:51:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:51:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:51:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:51:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:51:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:51:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:51:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:51:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:51:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:51:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:51:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:51:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:51:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:51:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:51:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:51:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:51:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:51:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:51:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:51:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:51:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:51:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:51:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:51:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:51:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:51:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:51:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:51:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:51:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:51:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:51:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:51:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:51:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:51:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:51:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:51:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:51:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:51:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:51:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:51:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:51:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:51:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:51:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:51:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:51:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:51:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:51:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:51:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:51:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:51:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:51:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:51:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:51:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:51:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:51:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:51:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:51:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:51:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:51:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:51:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:51:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:51:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:51:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:51:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:51:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:51:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:51:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:51:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:51:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:51:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:51:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:51:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:51:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:51:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:51:43,839 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:51:43,840 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:51:43,840 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:51:43,840 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:51:43,840 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:51:43,840 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:51:43,840 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:51:43,840 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:51:43,841 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:51:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:51:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:51:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:51:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:51:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:51:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:51:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:51:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:51:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:51:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:51:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 22:51:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:51:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 22:51:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 22:51:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 22:51:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 22:51:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 22:51:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 22:51:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:51:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 22:51:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 22:51:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:51:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:51:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 22:51:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 22:51:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 22:51:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:51:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 22:51:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 22:51:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 22:51:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 22:51:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 22:51:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 22:51:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:51:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 22:51:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 22:51:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 22:51:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 22:51:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 22:51:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 22:51:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 22:51:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 22:51:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 22:51:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:51:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 22:51:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 22:51:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 22:51:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 22:51:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 22:51:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 22:51:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 22:51:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 22:51:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 22:51:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 22:51:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 22:51:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 22:51:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 22:51:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 22:51:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 22:51:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:51:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:51:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 22:51:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:51:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 22:51:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 22:51:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 22:51:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 22:51:44,621 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:51:45,341 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:51:45,816 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:51:45,816 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-28 22:51:45,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:45 BoogieIcfgContainer [2018-11-28 22:51:45,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:51:45,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:51:45,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:51:45,821 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:51:45,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:51:42" (1/3) ... [2018-11-28 22:51:45,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be1e710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:51:45, skipping insertion in model container [2018-11-28 22:51:45,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:43" (2/3) ... [2018-11-28 22:51:45,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be1e710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:51:45, skipping insertion in model container [2018-11-28 22:51:45,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:45" (3/3) ... [2018-11-28 22:51:45,825 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:45,834 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:51:45,842 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 73 error locations. [2018-11-28 22:51:45,859 INFO L257 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2018-11-28 22:51:45,885 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:51:45,886 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:51:45,886 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:51:45,887 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:51:45,887 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:51:45,887 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:51:45,887 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:51:45,887 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:51:45,887 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:51:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-11-28 22:51:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 22:51:45,924 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:45,925 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:45,929 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:45,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:45,939 INFO L82 PathProgramCache]: Analyzing trace with hash -799536389, now seen corresponding path program 1 times [2018-11-28 22:51:45,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:45,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:46,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:46,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:46,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:46,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:46,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:51:46,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:51:46,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:51:46,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:51:46,394 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 5 states. [2018-11-28 22:51:46,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:46,512 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2018-11-28 22:51:46,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:51:46,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-28 22:51:46,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:46,525 INFO L225 Difference]: With dead ends: 63 [2018-11-28 22:51:46,525 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 22:51:46,527 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 [2018-11-28 22:51:46,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 22:51:46,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 40. [2018-11-28 22:51:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 22:51:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2018-11-28 22:51:46,575 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 17 [2018-11-28 22:51:46,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:46,576 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2018-11-28 22:51:46,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:51:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-11-28 22:51:46,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 22:51:46,578 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:46,578 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:46,579 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:46,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:46,579 INFO L82 PathProgramCache]: Analyzing trace with hash 943273946, now seen corresponding path program 1 times [2018-11-28 22:51:46,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:46,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:46,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:46,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:46,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:46,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:46,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:46,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:51:46,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:51:46,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:51:46,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:51:46,645 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 3 states. [2018-11-28 22:51:46,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:46,965 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2018-11-28 22:51:46,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:51:46,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-11-28 22:51:46,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:46,971 INFO L225 Difference]: With dead ends: 60 [2018-11-28 22:51:46,971 INFO L226 Difference]: Without dead ends: 57 [2018-11-28 22:51:46,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:51:46,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-28 22:51:46,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 48. [2018-11-28 22:51:46,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 22:51:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2018-11-28 22:51:46,989 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 17 [2018-11-28 22:51:46,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:46,990 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2018-11-28 22:51:46,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:51:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2018-11-28 22:51:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 22:51:46,993 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:46,993 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:46,994 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:46,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:46,998 INFO L82 PathProgramCache]: Analyzing trace with hash 983879530, now seen corresponding path program 1 times [2018-11-28 22:51:46,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:46,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:47,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:47,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:47,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:47,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:47,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:47,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:51:47,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:51:47,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:51:47,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:51:47,184 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand 5 states. [2018-11-28 22:51:47,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:47,375 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2018-11-28 22:51:47,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:51:47,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-11-28 22:51:47,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:47,377 INFO L225 Difference]: With dead ends: 58 [2018-11-28 22:51:47,378 INFO L226 Difference]: Without dead ends: 58 [2018-11-28 22:51:47,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:51:47,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-28 22:51:47,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2018-11-28 22:51:47,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-28 22:51:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2018-11-28 22:51:47,389 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 18 [2018-11-28 22:51:47,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:47,390 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2018-11-28 22:51:47,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:51:47,390 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2018-11-28 22:51:47,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 22:51:47,391 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:47,391 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:47,392 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:47,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:47,392 INFO L82 PathProgramCache]: Analyzing trace with hash 983879531, now seen corresponding path program 1 times [2018-11-28 22:51:47,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:47,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:47,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:47,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:47,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:47,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:47,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:51:47,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 22:51:47,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 22:51:47,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:51:47,504 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand 4 states. [2018-11-28 22:51:47,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:47,576 INFO L93 Difference]: Finished difference Result 81 states and 103 transitions. [2018-11-28 22:51:47,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 22:51:47,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-28 22:51:47,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:47,580 INFO L225 Difference]: With dead ends: 81 [2018-11-28 22:51:47,580 INFO L226 Difference]: Without dead ends: 81 [2018-11-28 22:51:47,580 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:51:47,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-28 22:51:47,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 55. [2018-11-28 22:51:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-28 22:51:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2018-11-28 22:51:47,590 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 18 [2018-11-28 22:51:47,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:47,590 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2018-11-28 22:51:47,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 22:51:47,590 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2018-11-28 22:51:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:51:47,591 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:47,592 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:47,592 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:47,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:47,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1007501068, now seen corresponding path program 1 times [2018-11-28 22:51:47,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:47,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:47,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:47,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:47,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:47,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:47,786 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 22:51:47,787 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 22:51:47,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:47,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:51:47,950 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 [2018-11-28 22:51:47,953 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:51:47,979 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:51:47,979 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 22:51:48,054 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 22:51:48,057 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 22:51:48,058 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-28 22:51:48,059 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:51:48,068 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. [2018-11-28 22:51:48,069 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-11-28 22:51:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:48,135 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 22:51:48,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 8 [2018-11-28 22:51:48,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 22:51:48,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 22:51:48,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-28 22:51:48,137 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand 9 states. [2018-11-28 22:51:49,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:49,426 INFO L93 Difference]: Finished difference Result 136 states and 167 transitions. [2018-11-28 22:51:49,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 22:51:49,427 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-28 22:51:49,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:49,430 INFO L225 Difference]: With dead ends: 136 [2018-11-28 22:51:49,430 INFO L226 Difference]: Without dead ends: 136 [2018-11-28 22:51:49,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-11-28 22:51:49,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-28 22:51:49,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 62. [2018-11-28 22:51:49,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-28 22:51:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 81 transitions. [2018-11-28 22:51:49,445 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 81 transitions. Word has length 23 [2018-11-28 22:51:49,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:49,445 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 81 transitions. [2018-11-28 22:51:49,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 22:51:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-11-28 22:51:49,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:51:49,447 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:49,448 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:49,448 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:49,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:49,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1007501069, now seen corresponding path program 1 times [2018-11-28 22:51:49,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:49,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:49,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:49,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:49,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:49,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 22:51:49,815 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 22:51:49,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:49,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:51:49,887 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 [2018-11-28 22:51:49,888 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:51:49,903 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 [2018-11-28 22:51:49,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 22:51:49,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:51:49,915 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-11-28 22:51:50,110 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 22:51:50,112 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 22:51:50,113 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 11 treesize of output 4 [2018-11-28 22:51:50,113 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:51:50,134 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 [2018-11-28 22:51:50,134 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 22:51:50,147 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:51:50,148 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-11-28 22:51:50,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:50,171 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 22:51:50,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2018-11-28 22:51:50,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 22:51:50,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 22:51:50,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 22:51:50,174 INFO L87 Difference]: Start difference. First operand 62 states and 81 transitions. Second operand 11 states. [2018-11-28 22:51:52,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:52,143 INFO L93 Difference]: Finished difference Result 148 states and 181 transitions. [2018-11-28 22:51:52,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 22:51:52,144 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2018-11-28 22:51:52,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:52,147 INFO L225 Difference]: With dead ends: 148 [2018-11-28 22:51:52,147 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 22:51:52,147 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2018-11-28 22:51:52,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 22:51:52,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 66. [2018-11-28 22:51:52,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-28 22:51:52,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 88 transitions. [2018-11-28 22:51:52,157 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 88 transitions. Word has length 23 [2018-11-28 22:51:52,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:52,158 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 88 transitions. [2018-11-28 22:51:52,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 22:51:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2018-11-28 22:51:52,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:51:52,159 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:52,159 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:52,160 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:52,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:52,160 INFO L82 PathProgramCache]: Analyzing trace with hash 501942443, now seen corresponding path program 1 times [2018-11-28 22:51:52,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:52,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:52,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:52,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:52,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 22:51:52,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 22:51:52,253 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 22:51:52,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:52,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:51:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:52,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 22:51:52,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2018-11-28 22:51:52,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:51:52,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:51:52,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:51:52,527 INFO L87 Difference]: Start difference. First operand 66 states and 88 transitions. Second operand 5 states. [2018-11-28 22:51:52,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:52,548 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2018-11-28 22:51:52,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:51:52,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-28 22:51:52,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:52,550 INFO L225 Difference]: With dead ends: 46 [2018-11-28 22:51:52,550 INFO L226 Difference]: Without dead ends: 44 [2018-11-28 22:51:52,550 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:51:52,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-28 22:51:52,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-28 22:51:52,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-28 22:51:52,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-11-28 22:51:52,555 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 23 [2018-11-28 22:51:52,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:52,555 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-11-28 22:51:52,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:51:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-11-28 22:51:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 22:51:52,556 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:52,556 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:52,557 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:52,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:52,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1840843320, now seen corresponding path program 1 times [2018-11-28 22:51:52,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:52,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:52,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:52,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:52,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 22:51:52,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:52,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:51:52,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:51:52,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:51:52,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:51:52,623 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 5 states. [2018-11-28 22:51:52,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:52,663 INFO L93 Difference]: Finished difference Result 70 states and 85 transitions. [2018-11-28 22:51:52,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 22:51:52,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-11-28 22:51:52,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:52,666 INFO L225 Difference]: With dead ends: 70 [2018-11-28 22:51:52,666 INFO L226 Difference]: Without dead ends: 70 [2018-11-28 22:51:52,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 22:51:52,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-28 22:51:52,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 48. [2018-11-28 22:51:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 22:51:52,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2018-11-28 22:51:52,672 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 25 [2018-11-28 22:51:52,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:52,673 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2018-11-28 22:51:52,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:51:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-11-28 22:51:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 22:51:52,674 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:52,674 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:52,674 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:52,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:52,675 INFO L82 PathProgramCache]: Analyzing trace with hash -711313641, now seen corresponding path program 1 times [2018-11-28 22:51:52,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:52,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:52,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:52,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:52,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 22:51:52,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:52,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:51:52,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 22:51:52,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 22:51:52,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:51:52,716 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 4 states. [2018-11-28 22:51:52,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:52,762 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2018-11-28 22:51:52,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:51:52,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-11-28 22:51:52,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:52,764 INFO L225 Difference]: With dead ends: 53 [2018-11-28 22:51:52,764 INFO L226 Difference]: Without dead ends: 53 [2018-11-28 22:51:52,765 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:51:52,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-28 22:51:52,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2018-11-28 22:51:52,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-28 22:51:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2018-11-28 22:51:52,769 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 25 [2018-11-28 22:51:52,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:52,769 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2018-11-28 22:51:52,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 22:51:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2018-11-28 22:51:52,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-28 22:51:52,771 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:52,771 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:52,771 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:52,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:52,771 INFO L82 PathProgramCache]: Analyzing trace with hash -672645855, now seen corresponding path program 1 times [2018-11-28 22:51:52,772 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:52,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:52,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:52,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:52,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:51:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:51:52,813 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:51:52,825 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 22:51:52,832 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 42 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 22:51:52,832 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 41 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 22:51:52,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:51:52 BoogieIcfgContainer [2018-11-28 22:51:52,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:51:52,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:51:52,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:51:52,843 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:51:52,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:45" (3/4) ... [2018-11-28 22:51:52,848 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 22:51:52,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:51:52,849 INFO L168 Benchmark]: Toolchain (without parser) took 10102.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -101.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:52,850 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:51:52,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:52,852 INFO L168 Benchmark]: Boogie Preprocessor took 118.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:52,852 INFO L168 Benchmark]: RCFGBuilder took 2075.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.5 MB in the end (delta: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:52,853 INFO L168 Benchmark]: TraceAbstraction took 7024.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 82.3 MB). Free memory was 988.5 MB in the beginning and 1.0 GB in the end (delta: -58.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:52,854 INFO L168 Benchmark]: Witness Printer took 4.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:51:52,858 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 870.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 118.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2075.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.5 MB in the end (delta: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7024.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 82.3 MB). Free memory was 988.5 MB in the beginning and 1.0 GB in the end (delta: -58.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 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 42 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 41 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: 1458]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1458. 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={44:0}] [L1459] CALL entry_point() VAL [ldv_global_msg_list={44:0}] [L1439] int len = 10; VAL [ldv_global_msg_list={44:0}, len=10] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40, ldv_global_msg_list={44:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=40, \result={45:0}, ldv_global_msg_list={44:0}, malloc(size)={45:0}, size=40] [L1440] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [ldv_global_msg_list={44:0}, ldv_malloc(sizeof(struct A18*)*len)={45:0}, len=10] [L1440] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L1441] struct A18 *p; [L1442] int i=0; [L1443] int j; VAL [array={45:0}, i=0, ldv_global_msg_list={44:0}, len=10] [L1444] COND FALSE !(!array) VAL [array={45:0}, i=0, ldv_global_msg_list={44:0}, len=10] [L1445] COND TRUE i=0) VAL [array={45:0}, i=0, j=-1, ldv_global_msg_list={44:0}, len=10, p={0:0}] [L1459] RET entry_point() VAL [ldv_global_msg_list={44:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 327 locations, 73 error locations. UNSAFE Result, 6.9s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 428 SDtfs, 406 SDslu, 1055 SDs, 0 SdLazy, 864 SolverSat, 76 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 73 SyntacticMatches, 11 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred 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, 9 MinimizatonAttempts, 240 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 246 ConstructedInterpolants, 7 QuantifiedInterpolants, 19882 SizeOfPredicates, 10 NumberOfNonLiveVariables, 402 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 20/32 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 0.1.24-91b1670 [2018-11-28 22:51:55,189 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:51:55,191 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:51:55,215 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:51:55,216 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:51:55,217 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:51:55,218 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:51:55,220 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:51:55,221 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:51:55,222 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:51:55,223 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:51:55,223 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:51:55,224 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:51:55,225 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:51:55,226 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:51:55,227 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:51:55,228 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:51:55,230 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:51:55,232 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:51:55,233 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:51:55,237 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:51:55,238 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:51:55,246 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:51:55,246 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:51:55,246 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:51:55,247 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:51:55,252 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:51:55,252 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:51:55,255 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:51:55,257 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:51:55,258 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:51:55,261 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:51:55,261 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:51:55,261 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:51:55,262 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:51:55,263 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:51:55,263 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-28 22:51:55,280 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:51:55,280 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:51:55,281 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:51:55,281 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:51:55,282 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:51:55,282 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:51:55,283 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:51:55,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:51:55,283 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:51:55,283 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:51:55,283 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:51:55,284 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:51:55,284 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:51:55,284 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:51:55,284 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:51:55,284 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:51:55,284 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:51:55,285 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 22:51:55,285 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 22:51:55,285 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:51:55,285 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:51:55,285 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:51:55,285 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:51:55,286 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:51:55,286 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:51:55,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:51:55,286 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:51:55,286 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:51:55,287 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 22:51:55,287 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:51:55,287 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 22:51:55,287 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 -> 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 [2018-11-28 22:51:55,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:51:55,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:51:55,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:51:55,363 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:51:55,363 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:51:55,364 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:55,431 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002bd022c/2b2c6c53d1db4fba82c0723ac9c4e3b1/FLAG7efff69d9 [2018-11-28 22:51:56,054 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:51:56,055 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:56,072 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002bd022c/2b2c6c53d1db4fba82c0723ac9c4e3b1/FLAG7efff69d9 [2018-11-28 22:51:56,233 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002bd022c/2b2c6c53d1db4fba82c0723ac9c4e3b1 [2018-11-28 22:51:56,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:51:56,240 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:51:56,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:51:56,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:51:56,246 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:51:56,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:51:56" (1/1) ... [2018-11-28 22:51:56,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4572ea82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:56, skipping insertion in model container [2018-11-28 22:51:56,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:51:56" (1/1) ... [2018-11-28 22:51:56,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:51:56,319 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:51:56,845 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:51:56,964 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:51:57,048 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:51:57,129 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:51:57,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:57 WrapperNode [2018-11-28 22:51:57,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:51:57,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:51:57,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:51:57,131 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:51:57,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:57" (1/1) ... [2018-11-28 22:51:57,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:57" (1/1) ... [2018-11-28 22:51:57,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:57" (1/1) ... [2018-11-28 22:51:57,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:57" (1/1) ... [2018-11-28 22:51:57,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:57" (1/1) ... [2018-11-28 22:51:57,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:57" (1/1) ... [2018-11-28 22:51:57,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:57" (1/1) ... [2018-11-28 22:51:57,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:51:57,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:51:57,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:51:57,276 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:51:57,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:51:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:51:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:51:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:51:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:51:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:51:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 22:51:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 22:51:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 22:51:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 22:51:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:51:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 22:51:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 22:51:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 22:51:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 22:51:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 22:51:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 22:51:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 22:51:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 22:51:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 22:51:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 22:51:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 22:51:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 22:51:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 22:51:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 22:51:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 22:51:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 22:51:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 22:51:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 22:51:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 22:51:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 22:51:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 22:51:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 22:51:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 22:51:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 22:51:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 22:51:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 22:51:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 22:51:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 22:51:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 22:51:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:51:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 22:51:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 22:51:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 22:51:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:51:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:51:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:51:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:51:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:51:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:51:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:51:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:51:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:51:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:51:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:51:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:51:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:51:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:51:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:51:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:51:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:51:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:51:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:51:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:51:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:51:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:51:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:51:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:51:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:51:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:51:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:51:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:51:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:51:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:51:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:51:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:51:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:51:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:51:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:51:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:51:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:51:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:51:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:51:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:51:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:51:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:51:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:51:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:51:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:51:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:51:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:51:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:51:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:51:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:51:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:51:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:51:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:51:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:51:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:51:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:51:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:51:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:51:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:51:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:51:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:51:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:51:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:51:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:51:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:51:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:51:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:51:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:51:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:51:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:51:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:51:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:51:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:51:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:51:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:51:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:51:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:51:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:51:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:51:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:51:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:51:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:51:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:51:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:51:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:51:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:51:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:51:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:51:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:51:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:51:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:51:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:51:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:51:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:51:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:51:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:51:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:51:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:51:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:51:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:51:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:51:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:51:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 22:51:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:51:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 22:51:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 22:51:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 22:51:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 22:51:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 22:51:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 22:51:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:51:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 22:51:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 22:51:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:51:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:51:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 22:51:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 22:51:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 22:51:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:51:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 22:51:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 22:51:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 22:51:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 22:51:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 22:51:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 22:51:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:51:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 22:51:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 22:51:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 22:51:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 22:51:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 22:51:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 22:51:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 22:51:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 22:51:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 22:51:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:51:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 22:51:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 22:51:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 22:51:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 22:51:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 22:51:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 22:51:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 22:51:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 22:51:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 22:51:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 22:51:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 22:51:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 22:51:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 22:51:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 22:51:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 22:51:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:51:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:51:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 22:51:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:51:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 22:51:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 22:51:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-28 22:51:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-11-28 22:51:58,250 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:51:59,082 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:51:59,923 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:51:59,924 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-28 22:51:59,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:59 BoogieIcfgContainer [2018-11-28 22:51:59,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:51:59,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:51:59,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:51:59,930 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:51:59,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:51:56" (1/3) ... [2018-11-28 22:51:59,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a701e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:51:59, skipping insertion in model container [2018-11-28 22:51:59,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:57" (2/3) ... [2018-11-28 22:51:59,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a701e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:51:59, skipping insertion in model container [2018-11-28 22:51:59,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:59" (3/3) ... [2018-11-28 22:51:59,935 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:59,945 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:51:59,955 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 73 error locations. [2018-11-28 22:51:59,980 INFO L257 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2018-11-28 22:52:00,004 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:52:00,004 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:52:00,005 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:52:00,005 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:52:00,005 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:52:00,005 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:52:00,005 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:52:00,005 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:52:00,005 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:52:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-11-28 22:52:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 22:52:00,033 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:00,033 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:00,036 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:00,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:00,042 INFO L82 PathProgramCache]: Analyzing trace with hash 480914236, now seen corresponding path program 1 times [2018-11-28 22:52:00,048 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:00,048 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 [2018-11-28 22:52:00,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:00,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:00,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:00,316 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): Stream closed [2018-11-28 22:52:00,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:00,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:52:00,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:00,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:00,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:00,353 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 5 states. [2018-11-28 22:52:00,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:00,620 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2018-11-28 22:52:00,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:00,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-28 22:52:00,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:00,633 INFO L225 Difference]: With dead ends: 63 [2018-11-28 22:52:00,633 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 22:52:00,635 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:00,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 22:52:00,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 40. [2018-11-28 22:52:00,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 22:52:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2018-11-28 22:52:00,683 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 17 [2018-11-28 22:52:00,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:00,683 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2018-11-28 22:52:00,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-11-28 22:52:00,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 22:52:00,685 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:00,686 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:00,686 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:00,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:00,687 INFO L82 PathProgramCache]: Analyzing trace with hash -2071242725, now seen corresponding path program 1 times [2018-11-28 22:52:00,687 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:00,687 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 [2018-11-28 22:52:00,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:00,748 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:00,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:00,809 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:52:00,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:00,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:52:00,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:52:00,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:52:00,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:52:00,819 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 3 states. [2018-11-28 22:52:01,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:01,258 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2018-11-28 22:52:01,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:52:01,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-11-28 22:52:01,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:01,262 INFO L225 Difference]: With dead ends: 60 [2018-11-28 22:52:01,262 INFO L226 Difference]: Without dead ends: 57 [2018-11-28 22:52:01,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:52:01,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-28 22:52:01,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 48. [2018-11-28 22:52:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 22:52:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2018-11-28 22:52:01,275 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 17 [2018-11-28 22:52:01,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:01,277 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2018-11-28 22:52:01,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:52:01,277 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2018-11-28 22:52:01,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 22:52:01,278 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:01,279 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:01,279 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:01,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:01,281 INFO L82 PathProgramCache]: Analyzing trace with hash 2023143209, now seen corresponding path program 1 times [2018-11-28 22:52:01,281 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:01,281 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 [2018-11-28 22:52:01,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:01,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:01,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:01,416 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:52:01,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:01,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:01,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 22:52:01,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 22:52:01,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:52:01,420 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand 4 states. [2018-11-28 22:52:01,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:01,582 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2018-11-28 22:52:01,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 22:52:01,584 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-28 22:52:01,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:01,585 INFO L225 Difference]: With dead ends: 76 [2018-11-28 22:52:01,586 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 22:52:01,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:52:01,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 22:52:01,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 50. [2018-11-28 22:52:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-28 22:52:01,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2018-11-28 22:52:01,597 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 18 [2018-11-28 22:52:01,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:01,597 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2018-11-28 22:52:01,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 22:52:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-11-28 22:52:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:52:01,598 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:01,599 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:01,599 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:01,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:01,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1195642291, now seen corresponding path program 1 times [2018-11-28 22:52:01,600 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:01,600 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 [2018-11-28 22:52:01,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:01,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:01,759 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 [2018-11-28 22:52:01,762 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:52:01,774 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:52:01,774 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 22:52:02,747 WARN L854 $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 [2018-11-28 22:52:02,774 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 [2018-11-28 22:52:02,775 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:52:02,850 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. [2018-11-28 22:52:02,851 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-11-28 22:52:02,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-11-28 22:52:02,953 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-28 22:52:03,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:03,464 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 22:52:03,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-28 22:52:03,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 22:52:03,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 22:52:03,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=27, Unknown=5, NotChecked=10, Total=56 [2018-11-28 22:52:03,466 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 8 states. [2018-11-28 22:52:04,852 WARN L180 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 21 DAG size of output: 13 [2018-11-28 22:52:05,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:05,400 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2018-11-28 22:52:05,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 22:52:05,405 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-11-28 22:52:05,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:05,406 INFO L225 Difference]: With dead ends: 66 [2018-11-28 22:52:05,407 INFO L226 Difference]: Without dead ends: 66 [2018-11-28 22:52:05,407 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=22, Invalid=47, Unknown=7, NotChecked=14, Total=90 [2018-11-28 22:52:05,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-28 22:52:05,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2018-11-28 22:52:05,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-28 22:52:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 81 transitions. [2018-11-28 22:52:05,424 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 81 transitions. Word has length 23 [2018-11-28 22:52:05,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:05,427 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 81 transitions. [2018-11-28 22:52:05,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 22:52:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-11-28 22:52:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:52:05,429 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:05,431 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:05,432 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:05,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:05,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1195642290, now seen corresponding path program 1 times [2018-11-28 22:52:05,432 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:05,433 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 [2018-11-28 22:52:05,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:05,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:05,590 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 [2018-11-28 22:52:05,591 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:52:05,605 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 [2018-11-28 22:52:05,605 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 22:52:05,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:52:05,627 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-11-28 22:52:06,995 WARN L854 $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 [2018-11-28 22:52:07,010 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 22:52:07,012 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 22:52:07,013 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 [2018-11-28 22:52:07,014 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:52:07,046 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 14 treesize of output 17 [2018-11-28 22:52:07,047 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 22:52:07,065 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:52:07,065 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:14 [2018-11-28 22:52:07,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-11-28 22:52:07,094 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-28 22:52:07,494 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 22:52:07,494 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 22:52:07,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:07,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:07,580 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 [2018-11-28 22:52:07,581 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:52:07,598 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 [2018-11-28 22:52:07,599 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 22:52:07,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:52:07,612 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-11-28 22:52:07,634 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 22:52:07,638 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 14 treesize of output 17 [2018-11-28 22:52:07,638 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:52:07,668 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 22:52:07,669 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 22:52:07,670 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 11 treesize of output 4 [2018-11-28 22:52:07,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 22:52:07,710 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:52:07,711 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2018-11-28 22:52:07,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-11-28 22:52:07,714 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-28 22:52:07,977 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 22:52:07,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2018-11-28 22:52:07,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 22:52:07,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 22:52:07,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=88, Unknown=1, NotChecked=18, Total=132 [2018-11-28 22:52:07,978 INFO L87 Difference]: Start difference. First operand 62 states and 81 transitions. Second operand 10 states. [2018-11-28 22:52:09,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:09,030 INFO L93 Difference]: Finished difference Result 100 states and 126 transitions. [2018-11-28 22:52:09,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 22:52:09,031 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-11-28 22:52:09,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:09,033 INFO L225 Difference]: With dead ends: 100 [2018-11-28 22:52:09,033 INFO L226 Difference]: Without dead ends: 100 [2018-11-28 22:52:09,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=54, Invalid=221, Unknown=1, NotChecked=30, Total=306 [2018-11-28 22:52:09,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-28 22:52:09,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 66. [2018-11-28 22:52:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-28 22:52:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 88 transitions. [2018-11-28 22:52:09,043 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 88 transitions. Word has length 23 [2018-11-28 22:52:09,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:09,044 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 88 transitions. [2018-11-28 22:52:09,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 22:52:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2018-11-28 22:52:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:52:09,045 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:09,045 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:09,045 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:09,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:09,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1701200916, now seen corresponding path program 1 times [2018-11-28 22:52:09,046 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:09,046 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 [2018-11-28 22:52:09,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:09,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:09,476 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:52:09,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:09,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:52:09,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:09,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:09,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:09,479 INFO L87 Difference]: Start difference. First operand 66 states and 88 transitions. Second operand 5 states. [2018-11-28 22:52:09,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:09,534 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2018-11-28 22:52:09,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:09,535 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-28 22:52:09,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:09,536 INFO L225 Difference]: With dead ends: 46 [2018-11-28 22:52:09,536 INFO L226 Difference]: Without dead ends: 44 [2018-11-28 22:52:09,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:09,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-28 22:52:09,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-28 22:52:09,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-28 22:52:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-11-28 22:52:09,541 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 23 [2018-11-28 22:52:09,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:09,542 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-11-28 22:52:09,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-11-28 22:52:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 22:52:09,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:09,543 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:09,543 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:09,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:09,544 INFO L82 PathProgramCache]: Analyzing trace with hash 2038952217, now seen corresponding path program 1 times [2018-11-28 22:52:09,544 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:09,544 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 [2018-11-28 22:52:09,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:09,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 22:52:09,660 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:52:09,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:09,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:52:09,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:09,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:09,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:09,663 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 5 states. [2018-11-28 22:52:09,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:09,771 INFO L93 Difference]: Finished difference Result 70 states and 85 transitions. [2018-11-28 22:52:09,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 22:52:09,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-11-28 22:52:09,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:09,773 INFO L225 Difference]: With dead ends: 70 [2018-11-28 22:52:09,773 INFO L226 Difference]: Without dead ends: 70 [2018-11-28 22:52:09,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 22:52:09,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-28 22:52:09,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 48. [2018-11-28 22:52:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 22:52:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2018-11-28 22:52:09,781 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 25 [2018-11-28 22:52:09,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:09,781 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2018-11-28 22:52:09,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-11-28 22:52:09,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 22:52:09,784 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:09,784 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:09,785 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:09,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:09,785 INFO L82 PathProgramCache]: Analyzing trace with hash -513204744, now seen corresponding path program 1 times [2018-11-28 22:52:09,786 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:09,786 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 [2018-11-28 22:52:09,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:09,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:10,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 22:52:10,017 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:52:10,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:10,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:10,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 22:52:10,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 22:52:10,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:52:10,022 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 4 states. [2018-11-28 22:52:10,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:10,142 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2018-11-28 22:52:10,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 22:52:10,143 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-11-28 22:52:10,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:10,144 INFO L225 Difference]: With dead ends: 53 [2018-11-28 22:52:10,144 INFO L226 Difference]: Without dead ends: 53 [2018-11-28 22:52:10,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:10,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-28 22:52:10,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2018-11-28 22:52:10,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-28 22:52:10,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2018-11-28 22:52:10,150 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 25 [2018-11-28 22:52:10,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:10,151 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2018-11-28 22:52:10,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 22:52:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2018-11-28 22:52:10,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-28 22:52:10,152 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:10,152 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:10,153 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:10,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:10,153 INFO L82 PathProgramCache]: Analyzing trace with hash 731443107, now seen corresponding path program 1 times [2018-11-28 22:52:10,153 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:10,153 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 [2018-11-28 22:52:10,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:52:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:52:10,345 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:52:10,361 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 22:52:10,368 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# [2018-11-28 22:52:10,368 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# [2018-11-28 22:52:10,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:52:10 BoogieIcfgContainer [2018-11-28 22:52:10,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:52:10,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:52:10,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:52:10,382 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:52:10,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:59" (3/4) ... [2018-11-28 22:52:10,389 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 22:52:10,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:52:10,390 INFO L168 Benchmark]: Toolchain (without parser) took 14151.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -92.6 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:10,392 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:52:10,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 888.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:10,394 INFO L168 Benchmark]: Boogie Preprocessor took 145.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:52:10,394 INFO L168 Benchmark]: RCFGBuilder took 2648.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:10,396 INFO L168 Benchmark]: TraceAbstraction took 10456.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -45.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:10,397 INFO L168 Benchmark]: Witness Printer took 6.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:10,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 888.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 145.38 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 2648.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10456.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -45.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. 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: 1458]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1458. 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={-2147483384:0}] [L1459] CALL entry_point() VAL [ldv_global_msg_list={-2147483384:0}] [L1439] int len = 10; VAL [ldv_global_msg_list={-2147483384:0}, len=10] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40, ldv_global_msg_list={-2147483384:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=40, \result={264:0}, ldv_global_msg_list={-2147483384:0}, malloc(size)={264:0}, size=40] [L1440] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [ldv_global_msg_list={-2147483384:0}, ldv_malloc(sizeof(struct A18*)*len)={264:0}, len=10] [L1440] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L1441] struct A18 *p; [L1442] int i=0; [L1443] int j; VAL [array={264:0}, i=0, ldv_global_msg_list={-2147483384:0}, len=10] [L1444] COND FALSE !(!array) VAL [array={264:0}, i=0, ldv_global_msg_list={-2147483384:0}, len=10] [L1445] COND TRUE i=0) VAL [array={264:0}, i=0, j=4294967295, ldv_global_msg_list={-2147483384:0}, len=10, p={0:0}] [L1459] RET entry_point() VAL [ldv_global_msg_list={-2147483384:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 326 locations, 73 error locations. UNSAFE Result, 10.3s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 330 SDtfs, 233 SDslu, 731 SDs, 0 SdLazy, 519 SolverSat, 40 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 182 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred 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, 8 MinimizatonAttempts, 118 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 207 ConstructedInterpolants, 10 QuantifiedInterpolants, 18165 SizeOfPredicates, 23 NumberOfNonLiveVariables, 783 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 18/28 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...