./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 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_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 0.1.24-0ed9222-m [2019-01-14 19:19:00,767 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 19:19:00,771 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 19:19:00,786 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 19:19:00,787 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 19:19:00,788 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 19:19:00,789 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 19:19:00,791 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 19:19:00,793 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 19:19:00,793 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 19:19:00,794 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 19:19:00,795 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 19:19:00,796 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 19:19:00,797 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 19:19:00,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 19:19:00,800 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 19:19:00,801 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 19:19:00,803 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 19:19:00,805 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 19:19:00,807 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 19:19:00,808 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 19:19:00,809 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 19:19:00,812 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 19:19:00,812 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 19:19:00,812 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 19:19:00,813 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 19:19:00,814 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 19:19:00,815 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 19:19:00,816 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 19:19:00,817 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 19:19:00,817 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 19:19:00,818 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 19:19:00,818 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 19:19:00,818 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 19:19:00,820 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 19:19:00,820 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 19:19:00,821 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 19:19:00,847 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 19:19:00,849 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 19:19:00,851 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 19:19:00,852 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 19:19:00,852 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 19:19:00,852 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 19:19:00,852 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 19:19:00,852 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 19:19:00,852 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 19:19:00,854 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 19:19:00,854 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 19:19:00,854 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 19:19:00,854 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 19:19:00,854 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 19:19:00,854 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 19:19:00,855 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 19:19:00,855 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 19:19:00,855 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 19:19:00,855 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 19:19:00,855 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 19:19:00,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:19:00,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 19:19:00,857 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 19:19:00,857 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 19:19:00,858 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 19:19:00,858 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 [2019-01-14 19:19:00,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 19:19:00,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 19:19:00,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 19:19:00,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 19:19:00,938 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 19:19:00,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-14 19:19:00,998 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fff40dc63/67a9179a739f4c6592939acb97c29450/FLAG7be85ebaa [2019-01-14 19:19:01,482 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 19:19:01,483 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-14 19:19:01,508 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fff40dc63/67a9179a739f4c6592939acb97c29450/FLAG7be85ebaa [2019-01-14 19:19:01,745 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fff40dc63/67a9179a739f4c6592939acb97c29450 [2019-01-14 19:19:01,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 19:19:01,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 19:19:01,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 19:19:01,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 19:19:01,757 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 19:19:01,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:19:01" (1/1) ... [2019-01-14 19:19:01,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee39451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:01, skipping insertion in model container [2019-01-14 19:19:01,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:19:01" (1/1) ... [2019-01-14 19:19:01,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 19:19:01,849 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 19:19:02,314 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:19:02,338 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 19:19:02,572 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:19:02,672 INFO L195 MainTranslator]: Completed translation [2019-01-14 19:19:02,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:02 WrapperNode [2019-01-14 19:19:02,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 19:19:02,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 19:19:02,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 19:19:02,674 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 19:19:02,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:02" (1/1) ... [2019-01-14 19:19:02,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:02" (1/1) ... [2019-01-14 19:19:02,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:02" (1/1) ... [2019-01-14 19:19:02,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:02" (1/1) ... [2019-01-14 19:19:02,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:02" (1/1) ... [2019-01-14 19:19:02,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:02" (1/1) ... [2019-01-14 19:19:02,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:02" (1/1) ... [2019-01-14 19:19:02,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 19:19:02,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 19:19:02,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 19:19:02,798 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 19:19:02,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:19:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 19:19:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 19:19:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:19:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-14 19:19:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-14 19:19:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-14 19:19:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-14 19:19:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-14 19:19:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-14 19:19:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:19:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-14 19:19:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-14 19:19:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-14 19:19:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-14 19:19:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-14 19:19:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-14 19:19:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-14 19:19:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-14 19:19:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-14 19:19:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-14 19:19:02,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-14 19:19:02,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-14 19:19:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-14 19:19:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-14 19:19:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-14 19:19:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-14 19:19:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-14 19:19:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-14 19:19:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-14 19:19:02,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-14 19:19:02,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-14 19:19:02,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-14 19:19:02,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-14 19:19:02,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-14 19:19:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-14 19:19:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-14 19:19:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-14 19:19:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-14 19:19:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-14 19:19:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 19:19:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-14 19:19:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-14 19:19:02,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-14 19:19:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-14 19:19:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-14 19:19:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 19:19:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 19:19:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 19:19:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 19:19:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 19:19:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 19:19:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 19:19:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 19:19:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 19:19:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 19:19:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 19:19:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 19:19:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 19:19:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 19:19:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 19:19:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 19:19:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 19:19:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 19:19:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 19:19:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 19:19:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 19:19:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 19:19:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 19:19:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 19:19:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 19:19:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 19:19:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 19:19:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 19:19:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 19:19:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 19:19:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 19:19:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 19:19:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 19:19:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 19:19:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 19:19:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 19:19:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 19:19:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 19:19:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 19:19:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 19:19:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 19:19:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 19:19:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 19:19:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 19:19:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 19:19:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 19:19:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 19:19:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 19:19:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 19:19:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 19:19:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 19:19:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 19:19:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 19:19:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 19:19:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 19:19:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 19:19:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 19:19:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 19:19:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 19:19:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 19:19:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 19:19:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 19:19:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 19:19:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 19:19:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 19:19:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 19:19:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 19:19:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 19:19:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 19:19:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 19:19:02,899 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 19:19:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 19:19:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 19:19:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 19:19:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 19:19:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 19:19:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 19:19:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 19:19:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 19:19:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 19:19:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 19:19:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 19:19:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 19:19:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 19:19:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 19:19:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 19:19:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 19:19:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 19:19:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 19:19:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 19:19:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 19:19:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 19:19:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 19:19:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 19:19:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 19:19:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 19:19:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 19:19:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 19:19:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 19:19:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 19:19:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-14 19:19:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 19:19:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-14 19:19:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-14 19:19:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-14 19:19:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-14 19:19:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-14 19:19:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-14 19:19:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 19:19:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-14 19:19:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-14 19:19:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:19:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 19:19:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-14 19:19:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-14 19:19:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-14 19:19:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 19:19:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-14 19:19:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-14 19:19:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-14 19:19:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-14 19:19:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-14 19:19:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-14 19:19:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 19:19:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-14 19:19:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-14 19:19:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-14 19:19:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-14 19:19:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-14 19:19:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 19:19:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 19:19:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-14 19:19:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-14 19:19:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:19:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-14 19:19:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-14 19:19:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-14 19:19:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-14 19:19:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-14 19:19:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-14 19:19:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-14 19:19:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-14 19:19:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-14 19:19:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-14 19:19:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-14 19:19:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-14 19:19:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-14 19:19:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-14 19:19:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-14 19:19:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 19:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 19:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 19:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-14 19:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 19:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-14 19:19:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-14 19:19:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-14 19:19:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-14 19:19:03,708 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:19:04,372 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:19:04,887 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 19:19:04,888 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-14 19:19:04,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:19:04 BoogieIcfgContainer [2019-01-14 19:19:04,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 19:19:04,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 19:19:04,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 19:19:04,895 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 19:19:04,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 07:19:01" (1/3) ... [2019-01-14 19:19:04,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d92768d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:19:04, skipping insertion in model container [2019-01-14 19:19:04,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:02" (2/3) ... [2019-01-14 19:19:04,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d92768d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:19:04, skipping insertion in model container [2019-01-14 19:19:04,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:19:04" (3/3) ... [2019-01-14 19:19:04,899 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-14 19:19:04,909 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 19:19:04,916 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 78 error locations. [2019-01-14 19:19:04,931 INFO L257 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2019-01-14 19:19:04,954 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 19:19:04,955 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 19:19:04,955 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 19:19:04,955 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 19:19:04,955 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 19:19:04,955 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 19:19:04,956 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 19:19:04,956 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 19:19:04,956 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 19:19:04,974 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-01-14 19:19:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-14 19:19:04,985 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:04,986 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:19:04,989 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:04,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:04,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1814447417, now seen corresponding path program 1 times [2019-01-14 19:19:04,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:19:04,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:19:05,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:05,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:05,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:05,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:05,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:19:05,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:19:05,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:19:05,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:05,346 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 5 states. [2019-01-14 19:19:05,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:05,462 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2019-01-14 19:19:05,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:19:05,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-14 19:19:05,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:05,474 INFO L225 Difference]: With dead ends: 67 [2019-01-14 19:19:05,474 INFO L226 Difference]: Without dead ends: 64 [2019-01-14 19:19:05,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:05,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-14 19:19:05,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 42. [2019-01-14 19:19:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-14 19:19:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-01-14 19:19:05,519 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 17 [2019-01-14 19:19:05,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:05,519 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-01-14 19:19:05,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:19:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-01-14 19:19:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-14 19:19:05,522 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:05,522 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:19:05,523 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:05,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:05,523 INFO L82 PathProgramCache]: Analyzing trace with hash -737709544, now seen corresponding path program 1 times [2019-01-14 19:19:05,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:19:05,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:19:05,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:05,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:05,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:05,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:05,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:05,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 19:19:05,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 19:19:05,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 19:19:05,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 19:19:05,641 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 3 states. [2019-01-14 19:19:05,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:05,988 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2019-01-14 19:19:05,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 19:19:05,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-14 19:19:05,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:05,991 INFO L225 Difference]: With dead ends: 64 [2019-01-14 19:19:05,991 INFO L226 Difference]: Without dead ends: 61 [2019-01-14 19:19:05,993 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 [2019-01-14 19:19:05,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-14 19:19:06,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2019-01-14 19:19:06,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-14 19:19:06,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2019-01-14 19:19:06,002 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 17 [2019-01-14 19:19:06,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:06,003 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-01-14 19:19:06,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 19:19:06,003 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2019-01-14 19:19:06,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-14 19:19:06,004 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:06,004 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:19:06,005 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:06,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:06,005 INFO L82 PathProgramCache]: Analyzing trace with hash 412937526, now seen corresponding path program 1 times [2019-01-14 19:19:06,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:19:06,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:19:06,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:06,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:06,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:06,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:06,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:19:06,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:19:06,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:19:06,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:06,105 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 5 states. [2019-01-14 19:19:06,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:06,258 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2019-01-14 19:19:06,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:19:06,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-01-14 19:19:06,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:06,261 INFO L225 Difference]: With dead ends: 60 [2019-01-14 19:19:06,261 INFO L226 Difference]: Without dead ends: 60 [2019-01-14 19:19:06,261 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:06,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-14 19:19:06,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-01-14 19:19:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-01-14 19:19:06,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2019-01-14 19:19:06,271 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 18 [2019-01-14 19:19:06,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:06,271 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2019-01-14 19:19:06,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:19:06,271 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2019-01-14 19:19:06,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-14 19:19:06,272 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:06,273 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:19:06,273 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:06,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:06,274 INFO L82 PathProgramCache]: Analyzing trace with hash 412937527, now seen corresponding path program 1 times [2019-01-14 19:19:06,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:19:06,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:19:06,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:06,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:06,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:06,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:06,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:06,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:19:06,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 19:19:06,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 19:19:06,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-14 19:19:06,356 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand 4 states. [2019-01-14 19:19:06,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:06,431 INFO L93 Difference]: Finished difference Result 85 states and 107 transitions. [2019-01-14 19:19:06,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 19:19:06,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-01-14 19:19:06,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:06,434 INFO L225 Difference]: With dead ends: 85 [2019-01-14 19:19:06,434 INFO L226 Difference]: Without dead ends: 85 [2019-01-14 19:19:06,434 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 [2019-01-14 19:19:06,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-01-14 19:19:06,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 57. [2019-01-14 19:19:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-14 19:19:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2019-01-14 19:19:06,444 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 18 [2019-01-14 19:19:06,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:06,445 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2019-01-14 19:19:06,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 19:19:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2019-01-14 19:19:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-14 19:19:06,447 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:06,447 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] [2019-01-14 19:19:06,448 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:06,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:06,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1291953346, now seen corresponding path program 1 times [2019-01-14 19:19:06,448 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:19:06,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:19:06,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:06,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:06,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:06,657 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:19:06,657 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 [2019-01-14 19:19:06,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:06,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:06,766 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-14 19:19:06,769 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:06,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:19:06,776 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-14 19:19:07,109 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| Int)) (= |c_#valid| (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| 1))) is different from true [2019-01-14 19:19:07,125 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-01-14 19:19:07,126 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:07,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-14 19:19:07,145 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-14 19:19:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-14 19:19:07,195 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:19:07,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2019-01-14 19:19:07,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 19:19:07,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 19:19:07,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=31, Unknown=1, NotChecked=10, Total=56 [2019-01-14 19:19:07,197 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. Second operand 8 states. [2019-01-14 19:19:08,033 WARN L181 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2019-01-14 19:19:08,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:08,918 INFO L93 Difference]: Finished difference Result 118 states and 142 transitions. [2019-01-14 19:19:08,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-14 19:19:08,919 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-01-14 19:19:08,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:08,922 INFO L225 Difference]: With dead ends: 118 [2019-01-14 19:19:08,922 INFO L226 Difference]: Without dead ends: 118 [2019-01-14 19:19:08,922 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32, Invalid=81, Unknown=1, NotChecked=18, Total=132 [2019-01-14 19:19:08,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-01-14 19:19:08,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 64. [2019-01-14 19:19:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-14 19:19:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2019-01-14 19:19:08,932 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 23 [2019-01-14 19:19:08,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:08,932 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2019-01-14 19:19:08,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 19:19:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2019-01-14 19:19:08,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-14 19:19:08,934 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:08,934 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] [2019-01-14 19:19:08,935 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:08,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:08,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1291953347, now seen corresponding path program 1 times [2019-01-14 19:19:08,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:19:08,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:19:08,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:08,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:08,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:09,341 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:19:09,341 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 [2019-01-14 19:19:09,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:09,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:09,407 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-14 19:19:09,407 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:09,419 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:19:09,419 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-01-14 19:19:09,948 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size Int) (|ldv_malloc_#t~malloc12.base| Int)) (and (<= |c_ldv_malloc_#in~size| ldv_malloc_~size) (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)))) is different from true [2019-01-14 19:19:10,022 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 18 [2019-01-14 19:19:10,024 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-01-14 19:19:10,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-14 19:19:10,048 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:30 [2019-01-14 19:19:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-14 19:19:10,111 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:19:10,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 15 [2019-01-14 19:19:10,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-14 19:19:10,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-14 19:19:10,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=173, Unknown=1, NotChecked=26, Total=240 [2019-01-14 19:19:10,113 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand 16 states. [2019-01-14 19:19:11,326 WARN L181 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 19:19:12,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:12,482 INFO L93 Difference]: Finished difference Result 160 states and 193 transitions. [2019-01-14 19:19:12,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-01-14 19:19:12,483 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 23 [2019-01-14 19:19:12,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:12,486 INFO L225 Difference]: With dead ends: 160 [2019-01-14 19:19:12,486 INFO L226 Difference]: Without dead ends: 160 [2019-01-14 19:19:12,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=109, Invalid=494, Unknown=1, NotChecked=46, Total=650 [2019-01-14 19:19:12,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-01-14 19:19:12,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 68. [2019-01-14 19:19:12,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-14 19:19:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 90 transitions. [2019-01-14 19:19:12,496 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 90 transitions. Word has length 23 [2019-01-14 19:19:12,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:12,496 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 90 transitions. [2019-01-14 19:19:12,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-14 19:19:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2019-01-14 19:19:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-14 19:19:12,497 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:12,497 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] [2019-01-14 19:19:12,498 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:12,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:12,498 INFO L82 PathProgramCache]: Analyzing trace with hash 786394721, now seen corresponding path program 1 times [2019-01-14 19:19:12,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:19:12,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:19:12,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:12,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:12,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-14 19:19:12,609 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:19:12,609 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 [2019-01-14 19:19:12,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:12,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:12,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-14 19:19:12,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-01-14 19:19:12,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:19:12,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:19:12,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:12,895 INFO L87 Difference]: Start difference. First operand 68 states and 90 transitions. Second operand 5 states. [2019-01-14 19:19:13,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:13,016 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2019-01-14 19:19:13,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:19:13,017 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-14 19:19:13,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:13,018 INFO L225 Difference]: With dead ends: 48 [2019-01-14 19:19:13,018 INFO L226 Difference]: Without dead ends: 46 [2019-01-14 19:19:13,019 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 [2019-01-14 19:19:13,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-14 19:19:13,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-01-14 19:19:13,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-14 19:19:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2019-01-14 19:19:13,024 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 23 [2019-01-14 19:19:13,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:13,024 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2019-01-14 19:19:13,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:19:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2019-01-14 19:19:13,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-14 19:19:13,025 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:13,025 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] [2019-01-14 19:19:13,026 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:13,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:13,026 INFO L82 PathProgramCache]: Analyzing trace with hash 321575982, now seen corresponding path program 1 times [2019-01-14 19:19:13,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:19:13,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:19:13,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:13,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:13,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:13,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-14 19:19:13,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:13,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:19:13,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:19:13,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:19:13,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:13,121 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand 5 states. [2019-01-14 19:19:13,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:13,153 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2019-01-14 19:19:13,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 19:19:13,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-14 19:19:13,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:13,157 INFO L225 Difference]: With dead ends: 74 [2019-01-14 19:19:13,157 INFO L226 Difference]: Without dead ends: 74 [2019-01-14 19:19:13,157 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 [2019-01-14 19:19:13,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-01-14 19:19:13,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 50. [2019-01-14 19:19:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-14 19:19:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2019-01-14 19:19:13,162 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 25 [2019-01-14 19:19:13,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:13,163 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2019-01-14 19:19:13,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:19:13,163 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2019-01-14 19:19:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-14 19:19:13,164 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:13,164 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] [2019-01-14 19:19:13,165 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:13,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:13,166 INFO L82 PathProgramCache]: Analyzing trace with hash 2064386317, now seen corresponding path program 1 times [2019-01-14 19:19:13,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:19:13,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:19:13,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:13,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:13,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:19:13,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:13,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:19:13,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 19:19:13,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 19:19:13,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 19:19:13,340 INFO L87 Difference]: Start difference. First operand 50 states and 59 transitions. Second operand 4 states. [2019-01-14 19:19:13,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:13,381 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2019-01-14 19:19:13,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:19:13,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-01-14 19:19:13,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:13,383 INFO L225 Difference]: With dead ends: 55 [2019-01-14 19:19:13,383 INFO L226 Difference]: Without dead ends: 55 [2019-01-14 19:19:13,383 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:13,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-14 19:19:13,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2019-01-14 19:19:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-14 19:19:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2019-01-14 19:19:13,388 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 25 [2019-01-14 19:19:13,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:13,388 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2019-01-14 19:19:13,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 19:19:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2019-01-14 19:19:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-14 19:19:13,390 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:13,390 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] [2019-01-14 19:19:13,390 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:13,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:13,391 INFO L82 PathProgramCache]: Analyzing trace with hash -399674605, now seen corresponding path program 1 times [2019-01-14 19:19:13,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:19:13,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:19:13,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:13,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:13,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:19:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:19:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:19:13,457 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 19:19:13,472 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-14 19:19:13,479 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# [2019-01-14 19:19:13,479 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# [2019-01-14 19:19:13,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 07:19:13 BoogieIcfgContainer [2019-01-14 19:19:13,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 19:19:13,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 19:19:13,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 19:19:13,499 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 19:19:13,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:19:04" (3/4) ... [2019-01-14 19:19:13,505 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 19:19:13,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 19:19:13,506 INFO L168 Benchmark]: Toolchain (without parser) took 11756.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -75.5 MB). Peak memory consumption was 144.7 MB. Max. memory is 11.5 GB. [2019-01-14 19:19:13,507 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:19:13,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 921.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-01-14 19:19:13,510 INFO L168 Benchmark]: Boogie Preprocessor took 123.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 19:19:13,511 INFO L168 Benchmark]: RCFGBuilder took 2092.25 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: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. [2019-01-14 19:19:13,512 INFO L168 Benchmark]: TraceAbstraction took 8607.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -2.5 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2019-01-14 19:19:13,515 INFO L168 Benchmark]: Witness Printer took 6.93 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. [2019-01-14 19:19:13,521 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 921.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 123.30 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 2092.25 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: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8607.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -2.5 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. * Witness Printer took 6.93 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 41 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 42 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={-1:0}] [L1459] CALL entry_point() VAL [ldv_global_msg_list={-1:0}] [L1439] int len = 10; VAL [ldv_global_msg_list={-1:0}, len=10] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40, ldv_global_msg_list={-1:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=40, \result={1:0}, ldv_global_msg_list={-1:0}, malloc(size)={1:0}, size=40] [L1440] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [ldv_global_msg_list={-1:0}, ldv_malloc(sizeof(struct A18*)*len)={1:0}, 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={1:0}, i=0, ldv_global_msg_list={-1:0}, len=10] [L1444] COND FALSE !(!array) VAL [array={1:0}, i=0, ldv_global_msg_list={-1:0}, len=10] [L1445] COND TRUE i=0) VAL [array={1:0}, i=0, j=-1, ldv_global_msg_list={-1:0}, len=10, p={0:0}] [L1459] RET entry_point() VAL [ldv_global_msg_list={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 338 locations, 78 error locations. UNSAFE Result, 8.5s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 5.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 454 SDtfs, 394 SDslu, 1275 SDs, 0 SdLazy, 985 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 70 SyntacticMatches, 10 SemanticMatches, 53 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 9 MinimizatonAttempts, 238 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 246 ConstructedInterpolants, 5 QuantifiedInterpolants, 18144 SizeOfPredicates, 10 NumberOfNonLiveVariables, 410 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 21/32 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 0.1.24-0ed9222-m [2019-01-14 19:19:15,881 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 19:19:15,882 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 19:19:15,894 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 19:19:15,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 19:19:15,895 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 19:19:15,896 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 19:19:15,898 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 19:19:15,900 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 19:19:15,901 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 19:19:15,901 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 19:19:15,902 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 19:19:15,903 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 19:19:15,904 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 19:19:15,905 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 19:19:15,905 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 19:19:15,906 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 19:19:15,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 19:19:15,910 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 19:19:15,912 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 19:19:15,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 19:19:15,914 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 19:19:15,917 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 19:19:15,917 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 19:19:15,917 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 19:19:15,918 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 19:19:15,920 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 19:19:15,920 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 19:19:15,921 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 19:19:15,922 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 19:19:15,923 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 19:19:15,923 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 19:19:15,924 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 19:19:15,924 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 19:19:15,925 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 19:19:15,926 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 19:19:15,926 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-14 19:19:15,945 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 19:19:15,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 19:19:15,947 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 19:19:15,947 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 19:19:15,947 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 19:19:15,947 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 19:19:15,948 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 19:19:15,951 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 19:19:15,951 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 19:19:15,951 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 19:19:15,952 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 19:19:15,952 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 19:19:15,952 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 19:19:15,952 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 19:19:15,952 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 19:19:15,952 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-14 19:19:15,953 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-14 19:19:15,953 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 19:19:15,953 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 19:19:15,953 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 19:19:15,953 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 19:19:15,954 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 19:19:15,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:19:15,955 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 19:19:15,955 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 19:19:15,955 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-14 19:19:15,956 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 19:19:15,956 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-14 19:19:15,956 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 [2019-01-14 19:19:16,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 19:19:16,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 19:19:16,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 19:19:16,032 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 19:19:16,033 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 19:19:16,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-14 19:19:16,092 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3597e6dd8/4172a4611eab438bb2e9b20c1b78cda4/FLAGc41548037 [2019-01-14 19:19:16,609 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 19:19:16,611 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-14 19:19:16,637 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3597e6dd8/4172a4611eab438bb2e9b20c1b78cda4/FLAGc41548037 [2019-01-14 19:19:16,855 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3597e6dd8/4172a4611eab438bb2e9b20c1b78cda4 [2019-01-14 19:19:16,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 19:19:16,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 19:19:16,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 19:19:16,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 19:19:16,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 19:19:16,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:19:16" (1/1) ... [2019-01-14 19:19:16,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7992094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:16, skipping insertion in model container [2019-01-14 19:19:16,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:19:16" (1/1) ... [2019-01-14 19:19:16,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 19:19:16,958 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 19:19:17,456 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:19:17,494 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 19:19:17,669 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:19:17,758 INFO L195 MainTranslator]: Completed translation [2019-01-14 19:19:17,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:17 WrapperNode [2019-01-14 19:19:17,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 19:19:17,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 19:19:17,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 19:19:17,760 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 19:19:17,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:17" (1/1) ... [2019-01-14 19:19:17,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:17" (1/1) ... [2019-01-14 19:19:17,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:17" (1/1) ... [2019-01-14 19:19:17,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:17" (1/1) ... [2019-01-14 19:19:17,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:17" (1/1) ... [2019-01-14 19:19:17,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:17" (1/1) ... [2019-01-14 19:19:17,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:17" (1/1) ... [2019-01-14 19:19:17,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 19:19:17,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 19:19:17,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 19:19:17,877 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 19:19:17,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:19:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 19:19:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 19:19:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:19:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-14 19:19:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-14 19:19:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-14 19:19:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-14 19:19:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-14 19:19:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-14 19:19:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-14 19:19:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:19:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-14 19:19:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-14 19:19:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-14 19:19:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-14 19:19:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-14 19:19:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-14 19:19:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-14 19:19:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-14 19:19:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-14 19:19:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-14 19:19:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-14 19:19:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-14 19:19:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-14 19:19:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-14 19:19:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-14 19:19:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-14 19:19:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-14 19:19:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-14 19:19:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-14 19:19:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-14 19:19:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-14 19:19:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-14 19:19:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-14 19:19:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-14 19:19:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-14 19:19:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-14 19:19:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-14 19:19:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-14 19:19:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-14 19:19:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 19:19:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-14 19:19:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-14 19:19:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-14 19:19:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-14 19:19:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-14 19:19:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 19:19:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 19:19:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 19:19:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 19:19:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 19:19:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 19:19:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 19:19:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 19:19:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 19:19:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 19:19:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 19:19:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 19:19:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 19:19:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 19:19:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 19:19:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 19:19:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 19:19:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 19:19:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 19:19:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 19:19:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 19:19:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 19:19:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 19:19:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 19:19:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 19:19:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 19:19:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 19:19:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 19:19:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 19:19:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 19:19:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 19:19:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 19:19:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 19:19:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 19:19:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 19:19:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 19:19:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 19:19:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 19:19:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 19:19:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 19:19:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 19:19:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 19:19:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 19:19:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 19:19:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 19:19:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 19:19:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 19:19:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 19:19:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 19:19:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 19:19:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 19:19:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 19:19:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 19:19:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 19:19:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 19:19:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 19:19:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 19:19:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 19:19:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 19:19:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 19:19:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 19:19:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 19:19:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 19:19:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 19:19:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 19:19:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 19:19:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 19:19:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 19:19:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 19:19:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 19:19:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 19:19:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 19:19:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 19:19:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 19:19:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 19:19:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 19:19:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 19:19:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 19:19:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 19:19:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 19:19:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 19:19:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 19:19:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 19:19:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 19:19:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 19:19:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 19:19:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 19:19:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 19:19:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 19:19:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 19:19:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 19:19:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 19:19:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 19:19:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 19:19:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 19:19:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 19:19:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 19:19:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 19:19:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 19:19:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 19:19:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-14 19:19:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 19:19:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-14 19:19:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-14 19:19:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-14 19:19:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-14 19:19:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-14 19:19:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-14 19:19:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 19:19:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-14 19:19:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-14 19:19:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:19:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 19:19:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-14 19:19:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-14 19:19:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-14 19:19:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 19:19:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-14 19:19:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-14 19:19:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-14 19:19:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-14 19:19:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-14 19:19:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-14 19:19:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 19:19:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-14 19:19:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-14 19:19:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-14 19:19:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-14 19:19:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-14 19:19:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-14 19:19:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-14 19:19:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-14 19:19:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-14 19:19:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:19:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-14 19:19:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-14 19:19:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-14 19:19:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-14 19:19:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-14 19:19:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-14 19:19:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-14 19:19:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-14 19:19:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-14 19:19:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-14 19:19:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-14 19:19:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-14 19:19:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-14 19:19:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-14 19:19:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-14 19:19:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 19:19:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 19:19:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 19:19:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-14 19:19:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 19:19:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-14 19:19:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-14 19:19:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-14 19:19:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-14 19:19:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-14 19:19:18,699 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:19:19,585 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:19:20,783 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 19:19:20,784 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-14 19:19:20,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:19:20 BoogieIcfgContainer [2019-01-14 19:19:20,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 19:19:20,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 19:19:20,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 19:19:20,790 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 19:19:20,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 07:19:16" (1/3) ... [2019-01-14 19:19:20,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d22b11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:19:20, skipping insertion in model container [2019-01-14 19:19:20,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:19:17" (2/3) ... [2019-01-14 19:19:20,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d22b11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:19:20, skipping insertion in model container [2019-01-14 19:19:20,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:19:20" (3/3) ... [2019-01-14 19:19:20,794 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-14 19:19:20,804 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 19:19:20,813 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 78 error locations. [2019-01-14 19:19:20,830 INFO L257 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2019-01-14 19:19:20,857 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 19:19:20,857 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 19:19:20,858 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 19:19:20,858 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 19:19:20,858 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 19:19:20,858 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 19:19:20,858 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 19:19:20,859 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 19:19:20,859 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 19:19:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-01-14 19:19:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-14 19:19:20,889 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:20,890 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:19:20,893 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_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_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:20,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:20,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1719050623, now seen corresponding path program 1 times [2019-01-14 19:19:20,903 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:19:20,903 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 19:19:20,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:20,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:21,107 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:19:21,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:21,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:19:21,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:19:21,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:19:21,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:21,134 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 5 states. [2019-01-14 19:19:21,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:21,353 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2019-01-14 19:19:21,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:19:21,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-14 19:19:21,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:21,366 INFO L225 Difference]: With dead ends: 67 [2019-01-14 19:19:21,366 INFO L226 Difference]: Without dead ends: 64 [2019-01-14 19:19:21,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:21,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-14 19:19:21,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 42. [2019-01-14 19:19:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-14 19:19:21,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-01-14 19:19:21,410 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 17 [2019-01-14 19:19:21,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:21,411 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-01-14 19:19:21,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:19:21,411 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-01-14 19:19:21,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-14 19:19:21,413 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:21,413 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:19:21,414 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_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_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:21,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:21,414 INFO L82 PathProgramCache]: Analyzing trace with hash 23759712, now seen corresponding path program 1 times [2019-01-14 19:19:21,415 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:19:21,415 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 19:19:21,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:21,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:21,491 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:19:21,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:21,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 19:19:21,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 19:19:21,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 19:19:21,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 19:19:21,498 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 3 states. [2019-01-14 19:19:21,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:21,768 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2019-01-14 19:19:21,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 19:19:21,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-14 19:19:21,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:21,770 INFO L225 Difference]: With dead ends: 64 [2019-01-14 19:19:21,770 INFO L226 Difference]: Without dead ends: 61 [2019-01-14 19:19:21,771 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 [2019-01-14 19:19:21,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-14 19:19:21,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2019-01-14 19:19:21,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-14 19:19:21,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2019-01-14 19:19:21,781 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 17 [2019-01-14 19:19:21,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:21,781 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-01-14 19:19:21,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 19:19:21,782 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2019-01-14 19:19:21,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-14 19:19:21,783 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:21,783 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:19:21,783 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_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_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:21,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:21,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1751319339, now seen corresponding path program 1 times [2019-01-14 19:19:21,784 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:19:21,784 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 19:19:21,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:21,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:21,926 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:19:21,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:21,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:19:21,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 19:19:21,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 19:19:21,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-14 19:19:21,930 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 4 states. [2019-01-14 19:19:22,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:22,006 INFO L93 Difference]: Finished difference Result 80 states and 100 transitions. [2019-01-14 19:19:22,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 19:19:22,008 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-01-14 19:19:22,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:22,010 INFO L225 Difference]: With dead ends: 80 [2019-01-14 19:19:22,010 INFO L226 Difference]: Without dead ends: 80 [2019-01-14 19:19:22,010 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 [2019-01-14 19:19:22,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-01-14 19:19:22,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 52. [2019-01-14 19:19:22,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-14 19:19:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2019-01-14 19:19:22,020 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 18 [2019-01-14 19:19:22,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:22,020 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2019-01-14 19:19:22,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 19:19:22,021 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2019-01-14 19:19:22,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-14 19:19:22,022 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:22,022 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] [2019-01-14 19:19:22,023 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_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_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:22,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:22,023 INFO L82 PathProgramCache]: Analyzing trace with hash 218499690, now seen corresponding path program 1 times [2019-01-14 19:19:22,024 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:19:22,024 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 19:19:22,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:22,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:22,175 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-14 19:19:22,177 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:22,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:19:22,204 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-14 19:19:22,977 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2019-01-14 19:19:22,996 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-01-14 19:19:22,997 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:23,007 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-14 19:19:23,008 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-14 19:19:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-14 19:19:23,021 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:19:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:23,317 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:19:23,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2019-01-14 19:19:23,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 19:19:23,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 19:19:23,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=27, Unknown=5, NotChecked=10, Total=56 [2019-01-14 19:19:23,318 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 8 states. [2019-01-14 19:19:24,489 WARN L181 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 21 DAG size of output: 13 [2019-01-14 19:19:25,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:25,186 INFO L93 Difference]: Finished difference Result 105 states and 129 transitions. [2019-01-14 19:19:25,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-14 19:19:25,187 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-01-14 19:19:25,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:25,189 INFO L225 Difference]: With dead ends: 105 [2019-01-14 19:19:25,189 INFO L226 Difference]: Without dead ends: 105 [2019-01-14 19:19:25,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=32, Invalid=73, Unknown=9, NotChecked=18, Total=132 [2019-01-14 19:19:25,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-01-14 19:19:25,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 70. [2019-01-14 19:19:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-01-14 19:19:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 94 transitions. [2019-01-14 19:19:25,202 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 94 transitions. Word has length 23 [2019-01-14 19:19:25,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:25,202 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 94 transitions. [2019-01-14 19:19:25,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 19:19:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2019-01-14 19:19:25,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-14 19:19:25,204 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:25,204 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] [2019-01-14 19:19:25,205 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_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_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:25,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:25,205 INFO L82 PathProgramCache]: Analyzing trace with hash 218499691, now seen corresponding path program 1 times [2019-01-14 19:19:25,205 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:19:25,205 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 19:19:25,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:25,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:25,343 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-14 19:19:25,343 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:25,372 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-14 19:19:25,373 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:25,386 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:19:25,387 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-14 19:19:26,439 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-14 19:19:26,463 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:19:26,465 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:19:26,466 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2019-01-14 19:19:26,467 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:26,494 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 [2019-01-14 19:19:26,495 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:26,514 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:19:26,515 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:14 [2019-01-14 19:19:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-14 19:19:26,543 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:19:26,925 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:19:26,925 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 [2019-01-14 19:19:26,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:27,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:27,023 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-14 19:19:27,024 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:27,036 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-14 19:19:27,037 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:27,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:19:27,055 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-14 19:19:27,107 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:19:27,122 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 [2019-01-14 19:19:27,122 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:27,150 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:19:27,151 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:19:27,153 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 [2019-01-14 19:19:27,153 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:19:27,175 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:19:27,175 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-14 19:19:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-14 19:19:27,178 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 19:19:27,430 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:19:27,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2019-01-14 19:19:27,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-14 19:19:27,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-14 19:19:27,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=88, Unknown=1, NotChecked=18, Total=132 [2019-01-14 19:19:27,431 INFO L87 Difference]: Start difference. First operand 70 states and 94 transitions. Second operand 10 states. [2019-01-14 19:19:28,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:28,554 INFO L93 Difference]: Finished difference Result 113 states and 144 transitions. [2019-01-14 19:19:28,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-14 19:19:28,558 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-01-14 19:19:28,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:28,559 INFO L225 Difference]: With dead ends: 113 [2019-01-14 19:19:28,559 INFO L226 Difference]: Without dead ends: 113 [2019-01-14 19:19:28,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=54, Invalid=221, Unknown=1, NotChecked=30, Total=306 [2019-01-14 19:19:28,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-01-14 19:19:28,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 77. [2019-01-14 19:19:28,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-14 19:19:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2019-01-14 19:19:28,570 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 23 [2019-01-14 19:19:28,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:28,571 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2019-01-14 19:19:28,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-14 19:19:28,571 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2019-01-14 19:19:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-14 19:19:28,572 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:28,572 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] [2019-01-14 19:19:28,573 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_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_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:28,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:28,573 INFO L82 PathProgramCache]: Analyzing trace with hash -287058935, now seen corresponding path program 1 times [2019-01-14 19:19:28,573 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:19:28,574 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 19:19:28,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:28,662 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:19:28,712 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:19:28,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:28,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:19:28,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:19:28,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:19:28,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:28,715 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2019-01-14 19:19:28,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:28,761 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2019-01-14 19:19:28,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:19:28,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-14 19:19:28,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:28,763 INFO L225 Difference]: With dead ends: 58 [2019-01-14 19:19:28,763 INFO L226 Difference]: Without dead ends: 56 [2019-01-14 19:19:28,764 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:28,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-01-14 19:19:28,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-01-14 19:19:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-01-14 19:19:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2019-01-14 19:19:28,769 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 23 [2019-01-14 19:19:28,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:28,770 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2019-01-14 19:19:28,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:19:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2019-01-14 19:19:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-14 19:19:28,771 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:28,772 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] [2019-01-14 19:19:28,772 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_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_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:28,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:28,773 INFO L82 PathProgramCache]: Analyzing trace with hash -475236202, now seen corresponding path program 1 times [2019-01-14 19:19:28,773 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:19:28,773 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 19:19:28,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:28,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-14 19:19:28,875 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:19:28,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:28,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:19:28,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:19:28,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:19:28,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:28,878 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand 5 states. [2019-01-14 19:19:28,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:28,944 INFO L93 Difference]: Finished difference Result 82 states and 101 transitions. [2019-01-14 19:19:28,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 19:19:28,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-14 19:19:28,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:28,946 INFO L225 Difference]: With dead ends: 82 [2019-01-14 19:19:28,947 INFO L226 Difference]: Without dead ends: 82 [2019-01-14 19:19:28,947 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 [2019-01-14 19:19:28,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-01-14 19:19:28,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 58. [2019-01-14 19:19:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-14 19:19:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2019-01-14 19:19:28,954 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 25 [2019-01-14 19:19:28,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:28,955 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2019-01-14 19:19:28,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:19:28,956 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2019-01-14 19:19:28,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-14 19:19:28,957 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:28,957 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] [2019-01-14 19:19:28,957 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_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_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:28,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:28,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1267574133, now seen corresponding path program 1 times [2019-01-14 19:19:28,960 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:19:28,960 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 19:19:28,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:19:29,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:19:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:19:29,069 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 19:19:29,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:19:29,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:19:29,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 19:19:29,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 19:19:29,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 19:19:29,075 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand 4 states. [2019-01-14 19:19:29,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:19:29,162 INFO L93 Difference]: Finished difference Result 64 states and 77 transitions. [2019-01-14 19:19:29,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 19:19:29,165 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-01-14 19:19:29,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:19:29,166 INFO L225 Difference]: With dead ends: 64 [2019-01-14 19:19:29,166 INFO L226 Difference]: Without dead ends: 64 [2019-01-14 19:19:29,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:19:29,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-14 19:19:29,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2019-01-14 19:19:29,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-14 19:19:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2019-01-14 19:19:29,181 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 73 transitions. Word has length 25 [2019-01-14 19:19:29,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:19:29,182 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 73 transitions. [2019-01-14 19:19:29,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 19:19:29,182 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2019-01-14 19:19:29,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-14 19:19:29,183 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:19:29,184 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] [2019-01-14 19:19:29,185 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_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_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:19:29,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:19:29,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1632004548, now seen corresponding path program 1 times [2019-01-14 19:19:29,187 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 19:19:29,187 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 19:19:29,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:19:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:19:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:19:29,417 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 19:19:29,444 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-14 19:19:29,454 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:19:29,454 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:19:29,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 07:19:29 BoogieIcfgContainer [2019-01-14 19:19:29,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 19:19:29,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 19:19:29,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 19:19:29,468 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 19:19:29,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:19:20" (3/4) ... [2019-01-14 19:19:29,473 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 19:19:29,473 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 19:19:29,474 INFO L168 Benchmark]: Toolchain (without parser) took 12615.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -77.0 MB). Peak memory consumption was 123.8 MB. Max. memory is 11.5 GB. [2019-01-14 19:19:29,475 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:19:29,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 898.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2019-01-14 19:19:29,477 INFO L168 Benchmark]: Boogie Preprocessor took 116.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:19:29,478 INFO L168 Benchmark]: RCFGBuilder took 2909.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.5 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 11.5 GB. [2019-01-14 19:19:29,479 INFO L168 Benchmark]: TraceAbstraction took 8680.56 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 972.5 MB in the beginning and 1.0 GB in the end (delta: -51.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-01-14 19:19:29,480 INFO L168 Benchmark]: Witness Printer took 5.37 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. [2019-01-14 19:19:29,489 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 898.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.18 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 2909.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.5 MB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8680.56 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 972.5 MB in the beginning and 1.0 GB in the end (delta: -51.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.37 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: 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={-2147483647:0}] [L1459] CALL entry_point() VAL [ldv_global_msg_list={-2147483647:0}] [L1439] int len = 10; VAL [ldv_global_msg_list={-2147483647:0}, len=10] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40, ldv_global_msg_list={-2147483647:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=40, \result={1:0}, ldv_global_msg_list={-2147483647:0}, malloc(size)={1:0}, size=40] [L1440] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [ldv_global_msg_list={-2147483647:0}, ldv_malloc(sizeof(struct A18*)*len)={1:0}, 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={1:0}, i=0, ldv_global_msg_list={-2147483647:0}, len=10] [L1444] COND FALSE !(!array) VAL [array={1:0}, i=0, ldv_global_msg_list={-2147483647:0}, len=10] [L1445] COND TRUE i=0) VAL [array={1:0}, i=0, j=4294967295, ldv_global_msg_list={-2147483647:0}, len=10, p={0:0}] [L1459] RET entry_point() VAL [ldv_global_msg_list={-2147483647:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 340 locations, 78 error locations. UNSAFE Result, 8.6s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 368 SDtfs, 311 SDslu, 834 SDs, 0 SdLazy, 557 SolverSat, 48 SolverUnsat, 14 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 182 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 160 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 207 ConstructedInterpolants, 10 QuantifiedInterpolants, 18165 SizeOfPredicates, 23 NumberOfNonLiveVariables, 831 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...