./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_1_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f0c9e4422072780ec01f7265ef9ade742466ed9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_test16_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f0c9e4422072780ec01f7265ef9ade742466ed9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 22:51:16,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:51:16,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:51:16,824 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:51:16,824 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:51:16,825 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:51:16,827 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:51:16,829 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:51:16,830 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:51:16,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:51:16,832 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:51:16,832 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:51:16,833 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:51:16,834 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:51:16,836 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:51:16,837 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:51:16,838 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:51:16,840 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:51:16,842 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:51:16,843 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:51:16,844 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:51:16,845 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:51:16,848 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:51:16,848 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:51:16,848 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:51:16,849 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:51:16,850 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:51:16,851 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:51:16,852 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:51:16,853 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:51:16,853 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:51:16,854 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:51:16,854 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:51:16,855 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:51:16,856 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:51:16,856 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:51:16,857 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 22:51:16,872 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:51:16,872 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:51:16,873 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:51:16,873 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:51:16,873 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:51:16,874 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:51:16,874 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:51:16,874 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:51:16,874 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:51:16,875 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:51:16,875 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:51:16,875 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:51:16,875 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:51:16,875 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:51:16,875 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:51:16,876 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:51:16,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:51:16,876 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:51:16,876 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:51:16,876 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:51:16,877 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:51:16,877 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:51:16,877 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:51:16,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:51:16,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:51:16,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:51:16,878 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 22:51:16,878 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:51:16,878 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 -> 2f0c9e4422072780ec01f7265ef9ade742466ed9 [2018-11-28 22:51:16,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:51:16,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:51:16,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:51:16,946 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:51:16,946 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:51:16,947 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:17,015 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e8aaffb/77d5dd1863ab4b168a3737892fa7533e/FLAG663b75e86 [2018-11-28 22:51:17,516 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:51:17,517 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:17,541 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e8aaffb/77d5dd1863ab4b168a3737892fa7533e/FLAG663b75e86 [2018-11-28 22:51:17,804 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e8aaffb/77d5dd1863ab4b168a3737892fa7533e [2018-11-28 22:51:17,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:51:17,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:51:17,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:51:17,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:51:17,815 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:51:17,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:51:17" (1/1) ... [2018-11-28 22:51:17,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506e8021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:17, skipping insertion in model container [2018-11-28 22:51:17,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:51:17" (1/1) ... [2018-11-28 22:51:17,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:51:17,891 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:51:18,304 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:51:18,335 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:51:18,519 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:51:18,607 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:51:18,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:18 WrapperNode [2018-11-28 22:51:18,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:51:18,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:51:18,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:51:18,610 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:51:18,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:18" (1/1) ... [2018-11-28 22:51:18,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:18" (1/1) ... [2018-11-28 22:51:18,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:18" (1/1) ... [2018-11-28 22:51:18,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:18" (1/1) ... [2018-11-28 22:51:18,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:18" (1/1) ... [2018-11-28 22:51:18,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:18" (1/1) ... [2018-11-28 22:51:18,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:18" (1/1) ... [2018-11-28 22:51:18,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:51:18,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:51:18,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:51:18,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:51:18,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:51:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:51:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:51:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:51:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:51:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:51:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 22:51:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 22:51:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 22:51:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 22:51:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:51:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 22:51:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 22:51:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 22:51:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 22:51:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 22:51:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 22:51:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 22:51:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 22:51:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 22:51:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 22:51:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 22:51:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 22:51:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 22:51:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 22:51:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 22:51:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 22:51:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 22:51:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 22:51:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 22:51:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 22:51:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 22:51:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 22:51:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 22:51:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 22:51:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 22:51:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 22:51:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 22:51:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 22:51:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_16 [2018-11-28 22:51:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2018-11-28 22:51:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 22:51:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:51:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 22:51:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 22:51:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 22:51:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:51:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:51:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:51:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:51:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:51:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:51:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:51:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:51:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:51:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:51:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:51:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:51:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:51:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:51:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:51:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:51:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:51:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:51:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:51:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:51:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:51:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:51:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:51:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:51:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:51:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:51:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:51:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:51:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:51:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:51:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:51:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:51:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:51:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:51:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:51:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:51:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:51:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:51:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:51:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:51:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:51:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:51:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:51:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:51:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:51:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:51:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:51:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:51:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:51:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:51:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:51:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:51:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:51:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:51:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:51:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:51:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:51:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:51:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:51:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:51:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:51:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:51:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:51:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:51:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:51:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:51:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:51:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:51:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:51:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:51:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:51:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:51:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:51:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:51:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:51:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:51:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:51:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:51:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:51:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:51:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:51:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:51:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:51:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:51:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:51:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:51:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:51:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:51:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:51:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:51:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:51:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:51:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:51:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:51:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:51:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:51:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:51:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:51:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:51:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:51:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:51:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:51:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 22:51:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:51:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 22:51:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 22:51:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 22:51:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 22:51:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 22:51:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 22:51:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:51:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 22:51:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 22:51:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:51:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:51:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 22:51:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 22:51:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 22:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 22:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 22:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 22:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 22:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 22:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 22:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 22:51:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 22:51:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 22:51:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 22:51:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 22:51:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 22:51:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 22:51:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 22:51:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 22:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 22:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 22:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 22:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 22:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 22:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 22:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 22:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 22:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 22:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 22:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 22:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 22:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 22:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 22:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_16 [2018-11-28 22:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2018-11-28 22:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 22:51:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:51:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:51:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 22:51:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:51:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 22:51:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 22:51:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 22:51:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 22:51:19,537 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:51:20,249 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:51:20,695 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:51:20,695 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 22:51:20,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:20 BoogieIcfgContainer [2018-11-28 22:51:20,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:51:20,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:51:20,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:51:20,701 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:51:20,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:51:17" (1/3) ... [2018-11-28 22:51:20,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369d0f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:51:20, skipping insertion in model container [2018-11-28 22:51:20,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:18" (2/3) ... [2018-11-28 22:51:20,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369d0f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:51:20, skipping insertion in model container [2018-11-28 22:51:20,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:20" (3/3) ... [2018-11-28 22:51:20,704 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:20,715 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:51:20,726 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-11-28 22:51:20,746 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-11-28 22:51:20,776 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:51:20,776 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:51:20,779 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:51:20,779 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:51:20,779 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:51:20,779 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:51:20,779 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:51:20,780 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:51:20,780 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:51:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-11-28 22:51:20,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 22:51:20,819 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:20,821 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:20,825 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:51:20,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:20,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1165738889, now seen corresponding path program 1 times [2018-11-28 22:51:20,835 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:20,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:20,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:20,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:20,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:21,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:21,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 22:51:21,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 22:51:21,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 22:51:21,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 22:51:21,505 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 9 states. [2018-11-28 22:51:21,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:21,628 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-11-28 22:51:21,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 22:51:21,630 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-28 22:51:21,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:21,639 INFO L225 Difference]: With dead ends: 33 [2018-11-28 22:51:21,639 INFO L226 Difference]: Without dead ends: 30 [2018-11-28 22:51:21,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 22:51:21,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-28 22:51:21,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-11-28 22:51:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-28 22:51:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-11-28 22:51:21,677 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 22 [2018-11-28 22:51:21,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:21,678 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-11-28 22:51:21,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 22:51:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-11-28 22:51:21,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:51:21,679 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:21,679 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:21,680 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:51:21,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:21,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1778167551, now seen corresponding path program 1 times [2018-11-28 22:51:21,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:21,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:21,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:21,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:21,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:21,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:21,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 22:51:21,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 22:51:21,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 22:51:21,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 22:51:21,903 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 9 states. [2018-11-28 22:51:22,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:22,220 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2018-11-28 22:51:22,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 22:51:22,221 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-28 22:51:22,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:22,225 INFO L225 Difference]: With dead ends: 45 [2018-11-28 22:51:22,226 INFO L226 Difference]: Without dead ends: 45 [2018-11-28 22:51:22,227 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 22:51:22,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-28 22:51:22,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2018-11-28 22:51:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-28 22:51:22,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2018-11-28 22:51:22,248 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 23 [2018-11-28 22:51:22,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:22,248 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2018-11-28 22:51:22,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 22:51:22,250 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-11-28 22:51:22,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:51:22,253 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:22,253 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:22,253 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:51:22,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:22,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1907250270, now seen corresponding path program 1 times [2018-11-28 22:51:22,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:22,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:22,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:22,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:22,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:22,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:22,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 22:51:22,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 22:51:22,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 22:51:22,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 22:51:22,498 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 9 states. [2018-11-28 22:51:22,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:22,587 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2018-11-28 22:51:22,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 22:51:22,588 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-28 22:51:22,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:22,590 INFO L225 Difference]: With dead ends: 46 [2018-11-28 22:51:22,590 INFO L226 Difference]: Without dead ends: 46 [2018-11-28 22:51:22,591 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 22:51:22,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-28 22:51:22,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 29. [2018-11-28 22:51:22,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-28 22:51:22,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-11-28 22:51:22,596 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 23 [2018-11-28 22:51:22,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:22,597 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-11-28 22:51:22,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 22:51:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-11-28 22:51:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 22:51:22,598 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:22,598 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:22,599 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 22:51:22,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:22,599 INFO L82 PathProgramCache]: Analyzing trace with hash -556960675, now seen corresponding path program 1 times [2018-11-28 22:51:22,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:51:22,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:51:22,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:22,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:22,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:51:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:51:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:51:22,671 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:51:22,685 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 22:51:22,690 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 22:51:22,690 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 22:51:22,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:51:22 BoogieIcfgContainer [2018-11-28 22:51:22,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:51:22,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:51:22,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:51:22,700 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:51:22,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:20" (3/4) ... [2018-11-28 22:51:22,705 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 22:51:22,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:51:22,706 INFO L168 Benchmark]: Toolchain (without parser) took 4896.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.9 MB in the beginning and 914.5 MB in the end (delta: 27.4 MB). Peak memory consumption was 163.7 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:22,707 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:51:22,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:22,709 INFO L168 Benchmark]: Boogie Preprocessor took 125.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:22,710 INFO L168 Benchmark]: RCFGBuilder took 1959.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.0 MB in the end (delta: 99.5 MB). Peak memory consumption was 99.5 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:22,711 INFO L168 Benchmark]: TraceAbstraction took 2002.42 ms. Allocated memory is still 1.2 GB. Free memory was 997.0 MB in the beginning and 914.5 MB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:22,711 INFO L168 Benchmark]: Witness Printer took 5.12 ms. Allocated memory is still 1.2 GB. Free memory is still 914.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:51:22,716 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 798.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 125.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1959.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.0 MB in the end (delta: 99.5 MB). Peak memory consumption was 99.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2002.42 ms. Allocated memory is still 1.2 GB. Free memory was 997.0 MB in the beginning and 914.5 MB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.12 ms. Allocated memory is still 1.2 GB. Free memory is still 914.5 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: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1458]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1458. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={13:0}] [L1459] CALL entry_point() VAL [ldv_global_msg_list={13:0}] [L1453] int condition = __VERIFIER_nondet_int(); [L1454] CALL, EXPR alloc_unsafe_16(condition) VAL [\old(condition)=0, ldv_global_msg_list={13:0}] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A16)) 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] [L1440] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={13:0}, ldv_malloc(sizeof(struct A16))={12:0}] [L1440] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L1443] return p; VAL [\old(condition)=0, \result={12:0}, condition=0, ldv_global_msg_list={13:0}, p={12:0}] [L1454] RET, EXPR alloc_unsafe_16(condition) VAL [alloc_unsafe_16(condition)={12:0}, condition=0, ldv_global_msg_list={13:0}] [L1454] struct A16 *p = alloc_unsafe_16(condition); [L1455] CALL free_16(p, condition) VAL [\old(condition)=0, ldv_global_msg_list={13:0}, p={12:0}] [L1447] COND FALSE !(\read(condition)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={13:0}, p={12:0}, p={12:0}] [L1455] RET free_16(p, condition) VAL [condition=0, ldv_global_msg_list={13:0}, p={12:0}] [L1459] RET entry_point() VAL [ldv_global_msg_list={13:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 322 locations, 69 error locations. UNSAFE Result, 1.9s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 97 SDtfs, 31 SDslu, 582 SDs, 0 SdLazy, 169 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred 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, 3 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 3281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-91b1670 [2018-11-28 22:51:25,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:51:25,034 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:51:25,055 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:51:25,055 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:51:25,056 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:51:25,057 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:51:25,059 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:51:25,061 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:51:25,061 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:51:25,062 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:51:25,063 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:51:25,064 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:51:25,064 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:51:25,065 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:51:25,066 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:51:25,067 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:51:25,069 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:51:25,071 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:51:25,072 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:51:25,073 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:51:25,074 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:51:25,077 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:51:25,077 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:51:25,077 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:51:25,078 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:51:25,079 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:51:25,080 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:51:25,081 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:51:25,082 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:51:25,082 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:51:25,083 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:51:25,083 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:51:25,084 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:51:25,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:51:25,085 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:51:25,086 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-28 22:51:25,101 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:51:25,101 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:51:25,102 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:51:25,102 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:51:25,103 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:51:25,103 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:51:25,103 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:51:25,103 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:51:25,106 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:51:25,106 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:51:25,106 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:51:25,106 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:51:25,107 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:51:25,107 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:51:25,107 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:51:25,108 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:51:25,108 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:51:25,108 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 22:51:25,108 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 22:51:25,108 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:51:25,108 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:51:25,111 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:51:25,111 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:51:25,111 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:51:25,111 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:51:25,111 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:51:25,112 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:51:25,112 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:51:25,112 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 22:51:25,113 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:51:25,113 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 22:51:25,113 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 -> 2f0c9e4422072780ec01f7265ef9ade742466ed9 [2018-11-28 22:51:25,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:51:25,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:51:25,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:51:25,167 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:51:25,167 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:51:25,168 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:25,240 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55cb919d2/6c567b373ef94a56856902bdd847649f/FLAG72d369632 [2018-11-28 22:51:25,798 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:51:25,800 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:25,821 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55cb919d2/6c567b373ef94a56856902bdd847649f/FLAG72d369632 [2018-11-28 22:51:26,024 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55cb919d2/6c567b373ef94a56856902bdd847649f [2018-11-28 22:51:26,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:51:26,029 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:51:26,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:51:26,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:51:26,038 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:51:26,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:51:26" (1/1) ... [2018-11-28 22:51:26,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e066d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:26, skipping insertion in model container [2018-11-28 22:51:26,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:51:26" (1/1) ... [2018-11-28 22:51:26,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:51:26,114 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:51:26,556 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:51:26,592 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:51:26,747 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:51:26,843 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:51:26,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:26 WrapperNode [2018-11-28 22:51:26,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:51:26,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:51:26,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:51:26,845 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:51:26,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:26" (1/1) ... [2018-11-28 22:51:26,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:26" (1/1) ... [2018-11-28 22:51:26,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:26" (1/1) ... [2018-11-28 22:51:26,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:26" (1/1) ... [2018-11-28 22:51:26,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:26" (1/1) ... [2018-11-28 22:51:26,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:26" (1/1) ... [2018-11-28 22:51:26,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:26" (1/1) ... [2018-11-28 22:51:26,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:51:26,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:51:26,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:51:26,964 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:51:26,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:51:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:51:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:51:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:51:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:51:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:51:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 22:51:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 22:51:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 22:51:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 22:51:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:51:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 22:51:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 22:51:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 22:51:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 22:51:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 22:51:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 22:51:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 22:51:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 22:51:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 22:51:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 22:51:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 22:51:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 22:51:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 22:51:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 22:51:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 22:51:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 22:51:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 22:51:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 22:51:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 22:51:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 22:51:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 22:51:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 22:51:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 22:51:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 22:51:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 22:51:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 22:51:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 22:51:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 22:51:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_16 [2018-11-28 22:51:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2018-11-28 22:51:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 22:51:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:51:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 22:51:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 22:51:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 22:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:51:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:51:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:51:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:51:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:51:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:51:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:51:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:51:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:51:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:51:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:51:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:51:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:51:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:51:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:51:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:51:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:51:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:51:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:51:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:51:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:51:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:51:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:51:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:51:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:51:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:51:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:51:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:51:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:51:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:51:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:51:27,034 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:51:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:51:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:51:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:51:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:51:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:51:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:51:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:51:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:51:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:51:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:51:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:51:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:51:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:51:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:51:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:51:27,036 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:51:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:51:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:51:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:51:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:51:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 22:51:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:51:27,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 22:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 22:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 22:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 22:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 22:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 22:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:51:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 22:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 22:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 22:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 22:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 22:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 22:51:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 22:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 22:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 22:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 22:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 22:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 22:51:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 22:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 22:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 22:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 22:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 22:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 22:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 22:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 22:51:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 22:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 22:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 22:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 22:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 22:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 22:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 22:51:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 22:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 22:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 22:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 22:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 22:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 22:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 22:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_16 [2018-11-28 22:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2018-11-28 22:51:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 22:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 22:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 22:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 22:51:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-28 22:51:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-11-28 22:51:27,869 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:51:28,893 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:51:29,780 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:51:29,781 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 22:51:29,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:29 BoogieIcfgContainer [2018-11-28 22:51:29,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:51:29,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:51:29,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:51:29,788 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:51:29,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:51:26" (1/3) ... [2018-11-28 22:51:29,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1fdfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:51:29, skipping insertion in model container [2018-11-28 22:51:29,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:51:26" (2/3) ... [2018-11-28 22:51:29,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1fdfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:51:29, skipping insertion in model container [2018-11-28 22:51:29,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:29" (3/3) ... [2018-11-28 22:51:29,794 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1_false-valid-memtrack_true-termination.i [2018-11-28 22:51:29,804 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:51:29,814 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-11-28 22:51:29,830 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-11-28 22:51:29,855 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:51:29,856 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:51:29,856 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:51:29,856 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:51:29,857 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:51:29,857 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:51:29,857 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:51:29,857 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:51:29,857 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:51:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-11-28 22:51:29,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 22:51:29,888 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:29,889 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:29,892 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:29,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:29,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1653436600, now seen corresponding path program 1 times [2018-11-28 22:51:29,903 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:51:29,904 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 22:51:29,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:30,005 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:51:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:30,542 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:51:30,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:30,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 22:51:30,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 22:51:30,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 22:51:30,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 22:51:30,571 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 9 states. [2018-11-28 22:51:30,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:30,934 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-11-28 22:51:30,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 22:51:30,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-28 22:51:30,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:30,945 INFO L225 Difference]: With dead ends: 33 [2018-11-28 22:51:30,945 INFO L226 Difference]: Without dead ends: 30 [2018-11-28 22:51:30,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 22:51:30,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-28 22:51:30,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-11-28 22:51:30,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-28 22:51:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-11-28 22:51:30,988 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 22 [2018-11-28 22:51:30,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:30,989 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-11-28 22:51:30,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 22:51:30,990 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-11-28 22:51:30,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:51:30,991 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:30,991 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:30,992 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:30,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:30,993 INFO L82 PathProgramCache]: Analyzing trace with hash 283073311, now seen corresponding path program 1 times [2018-11-28 22:51:30,994 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:51:30,994 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 22:51:31,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:31,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:51:31,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 22:51:31,172 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:51:31,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:51:31,204 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 22:51:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:31,630 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:51:31,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:31,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 22:51:31,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 22:51:31,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 22:51:31,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 22:51:31,636 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 9 states. [2018-11-28 22:51:32,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:32,034 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2018-11-28 22:51:32,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 22:51:32,036 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-28 22:51:32,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:32,039 INFO L225 Difference]: With dead ends: 45 [2018-11-28 22:51:32,039 INFO L226 Difference]: Without dead ends: 45 [2018-11-28 22:51:32,040 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 22:51:32,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-28 22:51:32,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2018-11-28 22:51:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-28 22:51:32,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2018-11-28 22:51:32,059 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 23 [2018-11-28 22:51:32,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:32,059 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2018-11-28 22:51:32,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 22:51:32,059 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-11-28 22:51:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 22:51:32,062 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:32,062 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:32,062 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:32,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:32,064 INFO L82 PathProgramCache]: Analyzing trace with hash 412156030, now seen corresponding path program 1 times [2018-11-28 22:51:32,064 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:51:32,064 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 22:51:32,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:51:32,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:51:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:51:32,353 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 22:51:32,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:51:32,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 22:51:32,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 22:51:32,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 22:51:32,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 22:51:32,359 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 9 states. [2018-11-28 22:51:32,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:51:32,474 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2018-11-28 22:51:32,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 22:51:32,475 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-28 22:51:32,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:51:32,477 INFO L225 Difference]: With dead ends: 46 [2018-11-28 22:51:32,477 INFO L226 Difference]: Without dead ends: 46 [2018-11-28 22:51:32,478 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 22:51:32,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-28 22:51:32,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 29. [2018-11-28 22:51:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-28 22:51:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-11-28 22:51:32,484 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 23 [2018-11-28 22:51:32,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:51:32,485 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-11-28 22:51:32,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 22:51:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-11-28 22:51:32,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 22:51:32,486 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:51:32,486 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:51:32,488 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:51:32,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:51:32,488 INFO L82 PathProgramCache]: Analyzing trace with hash -2098605987, now seen corresponding path program 1 times [2018-11-28 22:51:32,490 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 22:51:32,490 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 22:51:32,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:51:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:51:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:51:32,682 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:51:32,711 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 22:51:32,726 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 22:51:32,727 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 22:51:32,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:51:32 BoogieIcfgContainer [2018-11-28 22:51:32,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:51:32,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:51:32,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:51:32,749 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:51:32,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:51:29" (3/4) ... [2018-11-28 22:51:32,758 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 22:51:32,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:51:32,764 INFO L168 Benchmark]: Toolchain (without parser) took 6736.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.7 MB in the beginning and 882.7 MB in the end (delta: 70.0 MB). Peak memory consumption was 211.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:32,771 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:51:32,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:32,778 INFO L168 Benchmark]: Boogie Preprocessor took 118.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:51:32,778 INFO L168 Benchmark]: RCFGBuilder took 2818.32 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: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:32,780 INFO L168 Benchmark]: TraceAbstraction took 2964.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 882.7 MB in the end (delta: 120.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 11.5 GB. [2018-11-28 22:51:32,782 INFO L168 Benchmark]: Witness Printer took 14.53 ms. Allocated memory is still 1.2 GB. Free memory is still 882.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:51:32,795 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 812.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 118.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2818.32 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: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2964.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 882.7 MB in the end (delta: 120.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 11.5 GB. * Witness Printer took 14.53 ms. Allocated memory is still 1.2 GB. Free memory is still 882.7 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: 1458]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1458. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2146401247:0}] [L1459] CALL entry_point() VAL [ldv_global_msg_list={-2146401247:0}] [L1453] int condition = __VERIFIER_nondet_int(); [L1454] CALL, EXPR alloc_unsafe_16(condition) VAL [\old(condition)=0, ldv_global_msg_list={-2146401247:0}] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={-2146401247:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={1082401:0}, ldv_global_msg_list={-2146401247:0}, malloc(size)={1082401:0}, size=4] [L1440] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={-2146401247:0}, ldv_malloc(sizeof(struct A16))={1082401:0}] [L1440] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L1443] return p; VAL [\old(condition)=0, \result={1082401:0}, condition=0, ldv_global_msg_list={-2146401247:0}, p={1082401:0}] [L1454] RET, EXPR alloc_unsafe_16(condition) VAL [alloc_unsafe_16(condition)={1082401:0}, condition=0, ldv_global_msg_list={-2146401247:0}] [L1454] struct A16 *p = alloc_unsafe_16(condition); [L1455] CALL free_16(p, condition) VAL [\old(condition)=0, ldv_global_msg_list={-2146401247:0}, p={1082401:0}] [L1447] COND FALSE !(\read(condition)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={-2146401247:0}, p={1082401:0}, p={1082401:0}] [L1455] RET free_16(p, condition) VAL [condition=0, ldv_global_msg_list={-2146401247:0}, p={1082401:0}] [L1459] RET entry_point() VAL [ldv_global_msg_list={-2146401247:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 321 locations, 69 error locations. UNSAFE Result, 2.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 97 SDtfs, 31 SDslu, 582 SDs, 0 SdLazy, 169 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred 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, 3 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 3633 SizeOfPredicates, 9 NumberOfNonLiveVariables, 242 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...