./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_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 d672c9d2121bfd9df1a2883cdb54f37efa9bdb79 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_test4_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 d672c9d2121bfd9df1a2883cdb54f37efa9bdb79 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 22:52:03,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:52:03,688 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:52:03,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:52:03,706 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:52:03,707 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:52:03,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:52:03,711 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:52:03,712 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:52:03,713 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:52:03,715 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:52:03,715 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:52:03,716 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:52:03,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:52:03,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:52:03,720 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:52:03,721 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:52:03,723 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:52:03,726 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:52:03,728 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:52:03,729 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:52:03,731 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:52:03,734 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:52:03,734 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:52:03,734 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:52:03,735 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:52:03,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:52:03,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:52:03,740 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:52:03,741 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:52:03,741 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:52:03,742 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:52:03,742 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:52:03,743 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:52:03,744 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:52:03,745 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:52:03,746 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 22:52:03,773 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:52:03,774 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:52:03,774 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:52:03,775 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:52:03,776 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:52:03,776 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:52:03,776 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:52:03,777 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:52:03,777 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:52:03,777 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:52:03,777 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:52:03,777 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:52:03,778 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:52:03,780 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:52:03,780 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:52:03,780 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:52:03,780 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:52:03,780 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:52:03,780 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:52:03,782 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:52:03,783 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:52:03,783 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:52:03,783 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:52:03,783 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:52:03,783 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:52:03,784 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:52:03,785 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 22:52:03,785 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:52:03,785 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 -> d672c9d2121bfd9df1a2883cdb54f37efa9bdb79 [2018-11-28 22:52:03,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:52:03,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:52:03,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:52:03,864 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:52:03,865 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:52:03,866 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i [2018-11-28 22:52:03,944 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621ee0444/af7dff23c53b45df810db74225fe87ea/FLAG8baa7b89f [2018-11-28 22:52:04,574 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:52:04,574 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i [2018-11-28 22:52:04,598 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621ee0444/af7dff23c53b45df810db74225fe87ea/FLAG8baa7b89f [2018-11-28 22:52:04,805 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621ee0444/af7dff23c53b45df810db74225fe87ea [2018-11-28 22:52:04,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:52:04,811 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:52:04,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:52:04,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:52:04,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:52:04,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:52:04" (1/1) ... [2018-11-28 22:52:04,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa5371d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:04, skipping insertion in model container [2018-11-28 22:52:04,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:52:04" (1/1) ... [2018-11-28 22:52:04,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:52:04,900 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:52:05,402 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:52:05,438 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:52:05,576 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:52:05,669 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:52:05,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:05 WrapperNode [2018-11-28 22:52:05,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:52:05,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:52:05,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:52:05,672 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:52:05,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:05" (1/1) ... [2018-11-28 22:52:05,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:05" (1/1) ... [2018-11-28 22:52:05,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:05" (1/1) ... [2018-11-28 22:52:05,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:05" (1/1) ... [2018-11-28 22:52:05,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:05" (1/1) ... [2018-11-28 22:52:05,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:05" (1/1) ... [2018-11-28 22:52:05,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:05" (1/1) ... [2018-11-28 22:52:05,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:52:05,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:52:05,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:52:05,802 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:52:05,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:52:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:52:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:52:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:52:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:52:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:52:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 22:52:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 22:52:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 22:52:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 22:52:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:52:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 22:52:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 22:52:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 22:52:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 22:52:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 22:52:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 22:52:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 22:52:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 22:52:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 22:52:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 22:52:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 22:52:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 22:52:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 22:52:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 22:52:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 22:52:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 22:52:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 22:52:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 22:52:05,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 22:52:05,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 22:52:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 22:52:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 22:52:05,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 22:52:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 22:52:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 22:52:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 22:52:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 22:52:05,881 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 22:52:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 22:52:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:52:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 22:52:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 22:52:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 22:52:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:52:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:52:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:52:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:52:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:52:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:52:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:52:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:52:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:52:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:52:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:52:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:52:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:52:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:52:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:52:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:52:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:52:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:52:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:52:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:52:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:52:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:52:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:52:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:52:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:52:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:52:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:52:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:52:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:52:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:52:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:52:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:52:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:52:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:52:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:52:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:52:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:52:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:52:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:52:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:52:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:52:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:52:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:52:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:52:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:52:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:52:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:52:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:52:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:52:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:52:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:52:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:52:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:52:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:52:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:52:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:52:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:52:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:52:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:52:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:52:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:52:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:52:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:52:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:52:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:52:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:52:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:52:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:52:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:52:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:52:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:52:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:52:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:52:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:52:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:52:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:52:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:52:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:52:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:52:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:52:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:52:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:52:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:52:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:52:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:52:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:52:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:52:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:52:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:52:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:52:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:52:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:52:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:52:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:52:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:52:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:52:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:52:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:52:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:52:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:52:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:52:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:52:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 22:52:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:52:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 22:52:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 22:52:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 22:52:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 22:52:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 22:52:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 22:52:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:52:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 22:52:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 22:52:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:52:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:52:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 22:52:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 22:52:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 22:52:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:52:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 22:52:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 22:52:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 22:52:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 22:52:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 22:52:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 22:52:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:52:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 22:52:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 22:52:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 22:52:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 22:52:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 22:52:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 22:52:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 22:52:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 22:52:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 22:52:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:52:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 22:52:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 22:52:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 22:52:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 22:52:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 22:52:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 22:52:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 22:52:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 22:52:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 22:52:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 22:52:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 22:52:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 22:52:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 22:52:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 22:52:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 22:52:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:52:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:52:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 22:52:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:52:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 22:52:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 22:52:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 22:52:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 22:52:06,728 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:52:07,399 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:52:07,888 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:52:07,888 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 22:52:07,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:07 BoogieIcfgContainer [2018-11-28 22:52:07,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:52:07,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:52:07,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:52:07,893 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:52:07,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:52:04" (1/3) ... [2018-11-28 22:52:07,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9153cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:52:07, skipping insertion in model container [2018-11-28 22:52:07,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:05" (2/3) ... [2018-11-28 22:52:07,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9153cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:52:07, skipping insertion in model container [2018-11-28 22:52:07,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:07" (3/3) ... [2018-11-28 22:52:07,896 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test4_false-valid-memtrack_true-termination.i [2018-11-28 22:52:07,907 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:52:07,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-11-28 22:52:07,936 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-11-28 22:52:07,964 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:52:07,965 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:52:07,965 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:52:07,965 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:52:07,965 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:52:07,965 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:52:07,966 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:52:07,966 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:52:07,966 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:52:07,991 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-11-28 22:52:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 22:52:08,000 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:08,001 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:08,004 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:08,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:08,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1222878672, now seen corresponding path program 1 times [2018-11-28 22:52:08,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:52:08,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:52:08,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:08,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:08,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:08,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:08,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:08,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:52:08,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:08,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:08,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:08,383 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 5 states. [2018-11-28 22:52:08,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:08,454 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2018-11-28 22:52:08,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:08,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-28 22:52:08,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:08,466 INFO L225 Difference]: With dead ends: 38 [2018-11-28 22:52:08,466 INFO L226 Difference]: Without dead ends: 35 [2018-11-28 22:52:08,468 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 [2018-11-28 22:52:08,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-28 22:52:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 27. [2018-11-28 22:52:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-28 22:52:08,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-11-28 22:52:08,514 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 16 [2018-11-28 22:52:08,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:08,515 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-11-28 22:52:08,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:08,515 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-28 22:52:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 22:52:08,517 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:08,517 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:08,518 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:08,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:08,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1329278289, now seen corresponding path program 1 times [2018-11-28 22:52:08,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:52:08,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:52:08,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:08,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:08,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:08,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:08,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:52:08,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:52:08,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:52:08,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:52:08,595 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 3 states. [2018-11-28 22:52:08,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:08,670 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2018-11-28 22:52:08,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:52:08,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-28 22:52:08,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:08,673 INFO L225 Difference]: With dead ends: 36 [2018-11-28 22:52:08,673 INFO L226 Difference]: Without dead ends: 33 [2018-11-28 22:52:08,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:52:08,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-28 22:52:08,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 23. [2018-11-28 22:52:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-28 22:52:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-11-28 22:52:08,680 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 16 [2018-11-28 22:52:08,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:08,680 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-11-28 22:52:08,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:52:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-11-28 22:52:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 22:52:08,681 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:08,682 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:08,682 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:08,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:08,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1284434853, now seen corresponding path program 1 times [2018-11-28 22:52:08,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:52:08,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:52:08,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:08,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:08,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 22:52:08,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:08,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:08,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:08,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:08,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:08,796 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2018-11-28 22:52:08,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:08,866 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-11-28 22:52:08,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:08,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-11-28 22:52:08,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:08,868 INFO L225 Difference]: With dead ends: 22 [2018-11-28 22:52:08,868 INFO L226 Difference]: Without dead ends: 22 [2018-11-28 22:52:08,869 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:08,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-28 22:52:08,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-11-28 22:52:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-28 22:52:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2018-11-28 22:52:08,879 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 20 [2018-11-28 22:52:08,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:08,880 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2018-11-28 22:52:08,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:08,880 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-11-28 22:52:08,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 22:52:08,881 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:08,881 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:08,882 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:08,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:08,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1162774420, now seen corresponding path program 1 times [2018-11-28 22:52:08,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:52:08,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:52:08,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:08,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:08,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 22:52:09,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:09,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:09,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:09,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:09,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:09,218 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 5 states. [2018-11-28 22:52:09,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:09,319 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2018-11-28 22:52:09,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:09,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-28 22:52:09,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:09,322 INFO L225 Difference]: With dead ends: 27 [2018-11-28 22:52:09,322 INFO L226 Difference]: Without dead ends: 27 [2018-11-28 22:52:09,322 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:09,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-28 22:52:09,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-28 22:52:09,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-28 22:52:09,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2018-11-28 22:52:09,329 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 21 [2018-11-28 22:52:09,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:09,329 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2018-11-28 22:52:09,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:09,329 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-11-28 22:52:09,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 22:52:09,332 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:09,332 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:09,332 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:09,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:09,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1134145269, now seen corresponding path program 1 times [2018-11-28 22:52:09,333 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:52:09,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:52:09,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:09,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:09,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 22:52:09,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:09,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:09,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:09,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:09,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:09,465 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 5 states. [2018-11-28 22:52:09,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:09,520 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-11-28 22:52:09,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:09,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-28 22:52:09,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:09,522 INFO L225 Difference]: With dead ends: 28 [2018-11-28 22:52:09,522 INFO L226 Difference]: Without dead ends: 28 [2018-11-28 22:52:09,523 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:09,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-28 22:52:09,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2018-11-28 22:52:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-28 22:52:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-11-28 22:52:09,527 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 21 [2018-11-28 22:52:09,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:09,528 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-11-28 22:52:09,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-28 22:52:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 22:52:09,529 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:09,529 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] [2018-11-28 22:52:09,530 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:09,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:09,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1301142269, now seen corresponding path program 1 times [2018-11-28 22:52:09,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:52:09,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:52:09,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:09,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:09,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:52:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:52:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:52:09,615 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:52:09,629 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 22:52:09,636 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 22:52:09,636 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 22:52:09,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:52:09 BoogieIcfgContainer [2018-11-28 22:52:09,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:52:09,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:52:09,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:52:09,647 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:52:09,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:07" (3/4) ... [2018-11-28 22:52:09,652 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 22:52:09,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:52:09,653 INFO L168 Benchmark]: Toolchain (without parser) took 4843.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 954.0 MB in the beginning and 938.1 MB in the end (delta: 16.0 MB). Peak memory consumption was 154.4 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:09,656 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. [2018-11-28 22:52:09,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 858.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:09,657 INFO L168 Benchmark]: Boogie Preprocessor took 129.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:09,658 INFO L168 Benchmark]: RCFGBuilder took 2087.41 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: 98.9 MB). Peak memory consumption was 98.9 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:09,659 INFO L168 Benchmark]: TraceAbstraction took 1756.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 938.1 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:09,660 INFO L168 Benchmark]: Witness Printer took 5.61 ms. Allocated memory is still 1.2 GB. Free memory is still 938.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:52:09,664 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 858.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 129.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2087.41 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: 98.9 MB). Peak memory consumption was 98.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1756.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 938.1 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.61 ms. Allocated memory is still 1.2 GB. Free memory is still 938.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 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 10 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: 1443]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1443. 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={13:0}] [L1444] CALL entry_point() VAL [ldv_global_msg_list={13:0}] [L1435] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={13:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={15:0}, ldv_global_msg_list={13:0}, malloc(size)={15:0}, size=4] [L1435] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={13:0}, ldv_malloc(sizeof(int))={15:0}] [L1435] int *p = (int *)ldv_malloc(sizeof(int)); [L1436] COND TRUE \read(*p) VAL [ldv_global_msg_list={13:0}, p={15:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={13:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={12:0}, ldv_global_msg_list={13:0}, malloc(size)={12:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={13:0}, ldv_malloc(sizeof(int))={12:0}, p={15:0}] [L1437] int *q = (int *)ldv_malloc(sizeof(int)); [L1438] free(q) VAL [ldv_global_msg_list={13:0}, p={15:0}, q={12:0}] [L1438] free(q) [L1444] RET entry_point() VAL [ldv_global_msg_list={13:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 314 locations, 69 error locations. UNSAFE Result, 1.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 130 SDtfs, 18 SDslu, 268 SDs, 0 SdLazy, 68 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 5 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 2873 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-91b1670 [2018-11-28 22:52:11,998 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:52:12,000 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:52:12,019 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:52:12,020 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:52:12,021 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:52:12,023 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:52:12,025 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:52:12,028 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:52:12,031 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:52:12,032 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:52:12,033 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:52:12,033 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:52:12,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:52:12,038 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:52:12,039 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:52:12,040 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:52:12,042 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:52:12,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:52:12,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:52:12,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:52:12,050 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:52:12,052 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:52:12,052 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:52:12,052 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:52:12,053 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:52:12,054 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:52:12,055 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:52:12,056 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:52:12,057 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:52:12,057 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:52:12,058 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:52:12,058 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:52:12,058 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:52:12,059 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:52:12,060 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:52:12,060 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-28 22:52:12,085 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:52:12,087 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:52:12,088 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:52:12,088 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:52:12,088 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:52:12,089 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:52:12,089 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:52:12,090 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:52:12,090 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:52:12,090 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:52:12,090 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:52:12,090 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:52:12,091 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:52:12,091 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:52:12,091 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:52:12,091 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:52:12,091 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:52:12,091 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 22:52:12,091 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 22:52:12,093 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:52:12,093 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:52:12,094 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:52:12,094 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:52:12,094 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:52:12,094 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:52:12,094 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:52:12,095 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:52:12,096 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:52:12,096 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 22:52:12,096 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:52:12,096 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 22:52:12,096 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 -> d672c9d2121bfd9df1a2883cdb54f37efa9bdb79 [2018-11-28 22:52:12,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:52:12,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:52:12,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:52:12,176 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:52:12,177 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:52:12,178 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i [2018-11-28 22:52:12,250 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eee0e6af/98164fe5e074406aa21b3374314ad8f7/FLAGec0dfb7e8 [2018-11-28 22:52:12,785 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:52:12,786 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test4_false-valid-memtrack_true-termination.i [2018-11-28 22:52:12,804 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eee0e6af/98164fe5e074406aa21b3374314ad8f7/FLAGec0dfb7e8 [2018-11-28 22:52:13,073 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eee0e6af/98164fe5e074406aa21b3374314ad8f7 [2018-11-28 22:52:13,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:52:13,077 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:52:13,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:52:13,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:52:13,082 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:52:13,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:52:13" (1/1) ... [2018-11-28 22:52:13,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d306581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:13, skipping insertion in model container [2018-11-28 22:52:13,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:52:13" (1/1) ... [2018-11-28 22:52:13,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:52:13,153 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:52:13,684 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:52:13,724 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:52:13,887 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:52:13,973 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:52:13,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:13 WrapperNode [2018-11-28 22:52:13,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:52:13,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:52:13,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:52:13,975 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:52:13,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:13" (1/1) ... [2018-11-28 22:52:13,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:13" (1/1) ... [2018-11-28 22:52:14,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:13" (1/1) ... [2018-11-28 22:52:14,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:13" (1/1) ... [2018-11-28 22:52:14,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:13" (1/1) ... [2018-11-28 22:52:14,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:13" (1/1) ... [2018-11-28 22:52:14,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:13" (1/1) ... [2018-11-28 22:52:14,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:52:14,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:52:14,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:52:14,094 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:52:14,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:52:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:52:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:52:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:52:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:52:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:52:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 22:52:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 22:52:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 22:52:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 22:52:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:52:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 22:52:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 22:52:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 22:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 22:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 22:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 22:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 22:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 22:52:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 22:52:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 22:52:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 22:52:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 22:52:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 22:52:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 22:52:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 22:52:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 22:52:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 22:52:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 22:52:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 22:52:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 22:52:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 22:52:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 22:52:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 22:52:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 22:52:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 22:52:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 22:52:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 22:52:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 22:52:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 22:52:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:52:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 22:52:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 22:52:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 22:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:52:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:52:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:52:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:52:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:52:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:52:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:52:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:52:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:52:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:52:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:52:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:52:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:52:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:52:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:52:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:52:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:52:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:52:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:52:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:52:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:52:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:52:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:52:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:52:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:52:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:52:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:52:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:52:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:52:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:52:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:52:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:52:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:52:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:52:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:52:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:52:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:52:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:52:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:52:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:52:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:52:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:52:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:52:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:52:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:52:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:52:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:52:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:52:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:52:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:52:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:52:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:52:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:52:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:52:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:52:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:52:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:52:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:52:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:52:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:52:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:52:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:52:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:52:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:52:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:52:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:52:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:52:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:52:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:52:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:52:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:52:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:52:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:52:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:52:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:52:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:52:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:52:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:52:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:52:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:52:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:52:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:52:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:52:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:52:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:52:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:52:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:52:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:52:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:52:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:52:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:52:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 22:52:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:52:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 22:52:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 22:52:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 22:52:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 22:52:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 22:52:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 22:52:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:52:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 22:52:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 22:52:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:52:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:52:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 22:52:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 22:52:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 22:52:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:52:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 22:52:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 22:52:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 22:52:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 22:52:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 22:52:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 22:52:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:52:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 22:52:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 22:52:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 22:52:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 22:52:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 22:52:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 22:52:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 22:52:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 22:52:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 22:52:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:52:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 22:52:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 22:52:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 22:52:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 22:52:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 22:52:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 22:52:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 22:52:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 22:52:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 22:52:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 22:52:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 22:52:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 22:52:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 22:52:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 22:52:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 22:52:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:52:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:52:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 22:52:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:52:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 22:52:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 22:52:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-28 22:52:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-11-28 22:52:14,921 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:52:16,001 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:52:16,995 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:52:16,995 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 22:52:16,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:16 BoogieIcfgContainer [2018-11-28 22:52:16,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:52:16,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:52:16,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:52:17,001 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:52:17,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:52:13" (1/3) ... [2018-11-28 22:52:17,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a040244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:52:17, skipping insertion in model container [2018-11-28 22:52:17,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:52:13" (2/3) ... [2018-11-28 22:52:17,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a040244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:52:17, skipping insertion in model container [2018-11-28 22:52:17,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:16" (3/3) ... [2018-11-28 22:52:17,004 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test4_false-valid-memtrack_true-termination.i [2018-11-28 22:52:17,015 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:52:17,024 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-11-28 22:52:17,044 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-11-28 22:52:17,074 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:52:17,074 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:52:17,075 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:52:17,075 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:52:17,075 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:52:17,075 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:52:17,075 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:52:17,075 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:52:17,075 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:52:17,097 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-11-28 22:52:17,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 22:52:17,108 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:17,109 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:17,112 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:17,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:17,119 INFO L82 PathProgramCache]: Analyzing trace with hash -433352750, now seen corresponding path program 1 times [2018-11-28 22:52:17,124 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:17,124 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:52:17,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:17,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:17,432 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-28 22:52:17,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:17,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:52:17,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:17,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:17,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:17,460 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 5 states. [2018-11-28 22:52:17,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:17,546 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2018-11-28 22:52:17,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:17,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-28 22:52:17,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:17,558 INFO L225 Difference]: With dead ends: 38 [2018-11-28 22:52:17,558 INFO L226 Difference]: Without dead ends: 35 [2018-11-28 22:52:17,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:17,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-28 22:52:17,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 27. [2018-11-28 22:52:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-28 22:52:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-11-28 22:52:17,603 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 16 [2018-11-28 22:52:17,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:17,603 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-11-28 22:52:17,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:17,603 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-28 22:52:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 22:52:17,605 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:17,605 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:17,606 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:17,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:17,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1309457585, now seen corresponding path program 1 times [2018-11-28 22:52:17,607 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:17,607 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:52:17,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:17,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:52:17,714 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:52:17,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:17,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:52:17,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:52:17,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:52:17,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:52:17,724 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 3 states. [2018-11-28 22:52:18,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:18,102 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2018-11-28 22:52:18,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:52:18,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-28 22:52:18,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:18,106 INFO L225 Difference]: With dead ends: 36 [2018-11-28 22:52:18,106 INFO L226 Difference]: Without dead ends: 33 [2018-11-28 22:52:18,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:52:18,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-28 22:52:18,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 23. [2018-11-28 22:52:18,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-28 22:52:18,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-11-28 22:52:18,117 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 16 [2018-11-28 22:52:18,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:18,118 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-11-28 22:52:18,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:52:18,119 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-11-28 22:52:18,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 22:52:18,121 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:18,122 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:18,122 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:18,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:18,125 INFO L82 PathProgramCache]: Analyzing trace with hash 948240923, now seen corresponding path program 1 times [2018-11-28 22:52:18,125 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:18,126 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:52:18,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:18,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:18,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 22:52:18,361 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:52:18,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:18,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:18,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:18,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:18,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:18,365 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2018-11-28 22:52:18,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:18,401 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-11-28 22:52:18,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:18,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-11-28 22:52:18,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:18,402 INFO L225 Difference]: With dead ends: 22 [2018-11-28 22:52:18,402 INFO L226 Difference]: Without dead ends: 22 [2018-11-28 22:52:18,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:18,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-28 22:52:18,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-11-28 22:52:18,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-28 22:52:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2018-11-28 22:52:18,408 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 20 [2018-11-28 22:52:18,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:18,408 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2018-11-28 22:52:18,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:18,408 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-11-28 22:52:18,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 22:52:18,409 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:18,409 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:18,410 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:18,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:18,410 INFO L82 PathProgramCache]: Analyzing trace with hash -669302101, now seen corresponding path program 1 times [2018-11-28 22:52:18,411 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:18,411 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:52:18,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:18,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:18,546 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 22:52:18,548 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:52:18,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:52:18,575 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 22:52:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 22:52:18,806 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (5)] Exception during sending of exit command (exit): Broken pipe [2018-11-28 22:52:18,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:18,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:18,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:18,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:18,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:18,812 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 5 states. [2018-11-28 22:52:19,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:19,154 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2018-11-28 22:52:19,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:19,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-28 22:52:19,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:19,157 INFO L225 Difference]: With dead ends: 27 [2018-11-28 22:52:19,157 INFO L226 Difference]: Without dead ends: 27 [2018-11-28 22:52:19,158 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:19,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-28 22:52:19,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-28 22:52:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-28 22:52:19,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2018-11-28 22:52:19,170 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 21 [2018-11-28 22:52:19,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:19,170 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2018-11-28 22:52:19,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:19,170 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-11-28 22:52:19,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 22:52:19,171 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:19,172 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:52:19,172 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:19,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:19,175 INFO L82 PathProgramCache]: Analyzing trace with hash -640672950, now seen corresponding path program 1 times [2018-11-28 22:52:19,175 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:19,175 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:52:19,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:52:19,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:52:19,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 22:52:19,368 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:52:19,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:52:19,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:52:19,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:52:19,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:52:19,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:19,375 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 5 states. [2018-11-28 22:52:19,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:52:19,449 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-11-28 22:52:19,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:52:19,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-28 22:52:19,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:52:19,455 INFO L225 Difference]: With dead ends: 28 [2018-11-28 22:52:19,455 INFO L226 Difference]: Without dead ends: 28 [2018-11-28 22:52:19,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:52:19,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-28 22:52:19,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2018-11-28 22:52:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-28 22:52:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-11-28 22:52:19,462 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 21 [2018-11-28 22:52:19,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:52:19,462 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-11-28 22:52:19,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:52:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-28 22:52:19,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 22:52:19,465 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:52:19,465 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] [2018-11-28 22:52:19,466 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:52:19,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:52:19,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1940342140, now seen corresponding path program 1 times [2018-11-28 22:52:19,467 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:52:19,467 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:52:19,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:52:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:52:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:52:19,772 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:52:19,772 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 22:52:19,808 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 22:52:19,826 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 22:52:19,827 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 22:52:19,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:52:19 BoogieIcfgContainer [2018-11-28 22:52:19,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:52:19,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:52:19,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:52:19,848 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:52:19,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:52:16" (3/4) ... [2018-11-28 22:52:19,860 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 22:52:19,860 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:52:19,864 INFO L168 Benchmark]: Toolchain (without parser) took 6784.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.3 MB in the beginning and 863.5 MB in the end (delta: 83.8 MB). Peak memory consumption was 202.8 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:19,866 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:52:19,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 896.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:19,871 INFO L168 Benchmark]: Boogie Preprocessor took 117.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:52:19,871 INFO L168 Benchmark]: RCFGBuilder took 2902.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:19,872 INFO L168 Benchmark]: TraceAbstraction took 2850.79 ms. Allocated memory is still 1.1 GB. Free memory was 985.5 MB in the beginning and 863.5 MB in the end (delta: 122.0 MB). Peak memory consumption was 122.0 MB. Max. memory is 11.5 GB. [2018-11-28 22:52:19,873 INFO L168 Benchmark]: Witness Printer took 11.84 ms. Allocated memory is still 1.1 GB. Free memory is still 863.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:52:19,881 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 896.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2902.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2850.79 ms. Allocated memory is still 1.1 GB. Free memory was 985.5 MB in the beginning and 863.5 MB in the end (delta: 122.0 MB). Peak memory consumption was 122.0 MB. Max. memory is 11.5 GB. * Witness Printer took 11.84 ms. Allocated memory is still 1.1 GB. Free memory is still 863.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1443]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1443. 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={-1073738617:0}] [L1444] CALL entry_point() VAL [ldv_global_msg_list={-1073738617:0}] [L1435] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-1073738617:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={1073745030:0}, ldv_global_msg_list={-1073738617:0}, malloc(size)={1073745030:0}, size=4] [L1435] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-1073738617:0}, ldv_malloc(sizeof(int))={1073745030:0}] [L1435] int *p = (int *)ldv_malloc(sizeof(int)); [L1436] COND TRUE \read(*p) VAL [ldv_global_msg_list={-1073738617:0}, p={1073745030:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-1073738617:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={-1073739332:0}, ldv_global_msg_list={-1073738617:0}, malloc(size)={-1073739332:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-1073738617:0}, ldv_malloc(sizeof(int))={-1073739332:0}, p={1073745030:0}] [L1437] int *q = (int *)ldv_malloc(sizeof(int)); [L1438] free(q) VAL [ldv_global_msg_list={-1073738617:0}, p={1073745030:0}, q={-1073739332:0}] [L1438] free(q) [L1444] RET entry_point() VAL [ldv_global_msg_list={-1073738617:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 313 locations, 69 error locations. UNSAFE Result, 2.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 130 SDtfs, 18 SDslu, 268 SDs, 0 SdLazy, 68 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 5 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 3073 SizeOfPredicates, 3 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 12/12 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...