./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer --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 902bca7b1502ca5dcb44bb7e7d9bc6d169c57d43 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:45,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:45,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:45,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:45,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:45,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:45,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:45,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:45,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:45,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:45,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:45,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:45,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:45,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:45,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:45,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:45,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:45,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:45,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:45,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:45,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:45,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:45,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:45,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:45,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:45,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:45,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:45,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:45,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:45,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:45,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:45,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:45,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:45,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:45,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:45,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:45,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:45,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:45,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:45,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:45,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:45,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 08:57:45,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:45,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:45,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:45,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:45,803 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:45,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:45,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:45,804 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:57:45,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:45,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:45,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:45,805 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:57:45,805 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:57:45,805 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:57:45,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:45,805 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:45,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:45,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:45,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:45,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:45,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:45,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:45,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:45,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:45,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:45,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:45,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer 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 -> 902bca7b1502ca5dcb44bb7e7d9bc6d169c57d43 [2019-10-22 08:57:45,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:45,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:45,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:45,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:45,861 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:45,862 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-10-22 08:57:45,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/data/460713daf/465066fe6a3e40338a42102317025796/FLAG67c0363bd [2019-10-22 08:57:46,362 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:46,362 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-10-22 08:57:46,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/data/460713daf/465066fe6a3e40338a42102317025796/FLAG67c0363bd [2019-10-22 08:57:46,692 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/data/460713daf/465066fe6a3e40338a42102317025796 [2019-10-22 08:57:46,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:46,698 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:57:46,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:46,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:46,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:46,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:46" (1/1) ... [2019-10-22 08:57:46,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59472ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:46, skipping insertion in model container [2019-10-22 08:57:46,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:46" (1/1) ... [2019-10-22 08:57:46,713 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:46,759 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:47,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:47,215 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:47,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:47,373 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:47,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47 WrapperNode [2019-10-22 08:57:47,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:47,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:47,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:47,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:47,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... [2019-10-22 08:57:47,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:47,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:47,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:47,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:47,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:57:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-22 08:57:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 08:57:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 08:57:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 08:57:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 08:57:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 08:57:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-10-22 08:57:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-10-22 08:57:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-22 08:57:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-22 08:57:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-10-22 08:57:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-10-22 08:57:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-10-22 08:57:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-10-22 08:57:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-10-22 08:57:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-10-22 08:57:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-10-22 08:57:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-10-22 08:57:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-10-22 08:57:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-10-22 08:57:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-10-22 08:57:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-22 08:57:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-22 08:57:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-10-22 08:57:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-10-22 08:57:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-10-22 08:57:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-10-22 08:57:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-10-22 08:57:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-10-22 08:57:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-10-22 08:57:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-10-22 08:57:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-10-22 08:57:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-10-22 08:57:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-10-22 08:57:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-10-22 08:57:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-10-22 08:57:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-10-22 08:57:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-22 08:57:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-10-22 08:57:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-10-22 08:57:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-10-22 08:57:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-10-22 08:57:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:57:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-22 08:57:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-22 08:57:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-22 08:57:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:57:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:57:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:57:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:57:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:57:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:57:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:57:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:57:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:57:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:57:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:57:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:57:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:57:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:57:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:57:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:57:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 08:57:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 08:57:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 08:57:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 08:57:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 08:57:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:57:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:57:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:57:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:57:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:57:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:57:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:57:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:57:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:57:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:57:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:57:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:57:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:57:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:57:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:57:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:57:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:57:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:57:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:57:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:57:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:57:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:57:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:57:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:57:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:57:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:57:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:57:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:57:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:57:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:57:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:57:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:57:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:57:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:57:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:57:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:57:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:57:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:57:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:57:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:57:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:57:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:57:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:57:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:57:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:57:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:57:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:57:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:57:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:57:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:57:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:57:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:57:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:57:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:57:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:57:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:57:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:57:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:57:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:57:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:57:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:57:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:57:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:57:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:57:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:57:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:57:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:57:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:57:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:57:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:57:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:57:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:57:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:57:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:57:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:57:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:57:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:57:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:57:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:57:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:57:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:57:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:57:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:57:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:57:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:57:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:57:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-22 08:57:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:57:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-22 08:57:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-10-22 08:57:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-10-22 08:57:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-22 08:57:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-22 08:57:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-22 08:57:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:57:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-22 08:57:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-22 08:57:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-10-22 08:57:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:57:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-10-22 08:57:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-10-22 08:57:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-10-22 08:57:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:57:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-10-22 08:57:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-10-22 08:57:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-10-22 08:57:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-10-22 08:57:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-22 08:57:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-10-22 08:57:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:57:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-10-22 08:57:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-10-22 08:57:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-22 08:57:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-22 08:57:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-10-22 08:57:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:57:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:57:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-10-22 08:57:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-10-22 08:57:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-22 08:57:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-10-22 08:57:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-10-22 08:57:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-10-22 08:57:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-10-22 08:57:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-10-22 08:57:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-10-22 08:57:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-10-22 08:57:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-10-22 08:57:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-10-22 08:57:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-10-22 08:57:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-10-22 08:57:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-22 08:57:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-22 08:57:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-10-22 08:57:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-22 08:57:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-10-22 08:57:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-10-22 08:57:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-10-22 08:57:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:57:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:57:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 08:57:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-22 08:57:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-22 08:57:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-22 08:57:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-22 08:57:48,047 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:57:48,276 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:57:48,565 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:48,567 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 08:57:48,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:48 BoogieIcfgContainer [2019-10-22 08:57:48,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:48,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:48,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:48,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:48,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:46" (1/3) ... [2019-10-22 08:57:48,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f06abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:48, skipping insertion in model container [2019-10-22 08:57:48,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:47" (2/3) ... [2019-10-22 08:57:48,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f06abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:48, skipping insertion in model container [2019-10-22 08:57:48,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:48" (3/3) ... [2019-10-22 08:57:48,577 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2-2.i [2019-10-22 08:57:48,587 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:48,594 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-10-22 08:57:48,605 INFO L249 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-10-22 08:57:48,622 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:48,622 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:57:48,622 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:48,622 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:48,623 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:48,623 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:48,623 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:48,623 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:48,644 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-10-22 08:57:48,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:57:48,656 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:48,657 INFO L380 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] [2019-10-22 08:57:48,659 INFO L410 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:48,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:48,665 INFO L82 PathProgramCache]: Analyzing trace with hash -436834885, now seen corresponding path program 1 times [2019-10-22 08:57:48,672 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:48,672 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656154921] [2019-10-22 08:57:48,672 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:48,672 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:48,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:48,987 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656154921] [2019-10-22 08:57:48,987 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:48,988 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:57:48,988 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133774810] [2019-10-22 08:57:48,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:57:48,992 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:49,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:57:49,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:57:49,009 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 7 states. [2019-10-22 08:57:49,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:49,706 INFO L93 Difference]: Finished difference Result 159 states and 187 transitions. [2019-10-22 08:57:49,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:57:49,707 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2019-10-22 08:57:49,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:49,723 INFO L225 Difference]: With dead ends: 159 [2019-10-22 08:57:49,724 INFO L226 Difference]: Without dead ends: 152 [2019-10-22 08:57:49,731 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:57:49,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-10-22 08:57:49,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 107. [2019-10-22 08:57:49,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-22 08:57:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2019-10-22 08:57:49,784 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 22 [2019-10-22 08:57:49,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:49,784 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2019-10-22 08:57:49,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:57:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2019-10-22 08:57:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:57:49,786 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:49,786 INFO L380 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] [2019-10-22 08:57:49,787 INFO L410 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:49,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:49,787 INFO L82 PathProgramCache]: Analyzing trace with hash -436834884, now seen corresponding path program 1 times [2019-10-22 08:57:49,787 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:49,788 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564540883] [2019-10-22 08:57:49,788 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:49,788 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:49,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:50,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:50,015 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564540883] [2019-10-22 08:57:50,016 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:50,016 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-22 08:57:50,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554074378] [2019-10-22 08:57:50,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:57:50,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:50,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:57:50,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:57:50,018 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand 10 states. [2019-10-22 08:57:50,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:50,668 INFO L93 Difference]: Finished difference Result 168 states and 205 transitions. [2019-10-22 08:57:50,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:57:50,669 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-10-22 08:57:50,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:50,670 INFO L225 Difference]: With dead ends: 168 [2019-10-22 08:57:50,671 INFO L226 Difference]: Without dead ends: 168 [2019-10-22 08:57:50,671 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-22 08:57:50,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-10-22 08:57:50,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 117. [2019-10-22 08:57:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-22 08:57:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 149 transitions. [2019-10-22 08:57:50,685 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 149 transitions. Word has length 22 [2019-10-22 08:57:50,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:50,685 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 149 transitions. [2019-10-22 08:57:50,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:57:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 149 transitions. [2019-10-22 08:57:50,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:57:50,686 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:50,686 INFO L380 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] [2019-10-22 08:57:50,686 INFO L410 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:50,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:50,687 INFO L82 PathProgramCache]: Analyzing trace with hash 450668796, now seen corresponding path program 1 times [2019-10-22 08:57:50,687 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:50,687 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996059484] [2019-10-22 08:57:50,687 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:50,687 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:50,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:50,833 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996059484] [2019-10-22 08:57:50,833 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:50,833 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:57:50,833 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335788751] [2019-10-22 08:57:50,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:57:50,834 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:50,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:57:50,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:57:50,834 INFO L87 Difference]: Start difference. First operand 117 states and 149 transitions. Second operand 7 states. [2019-10-22 08:57:51,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:51,149 INFO L93 Difference]: Finished difference Result 128 states and 146 transitions. [2019-10-22 08:57:51,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:57:51,150 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2019-10-22 08:57:51,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:51,151 INFO L225 Difference]: With dead ends: 128 [2019-10-22 08:57:51,151 INFO L226 Difference]: Without dead ends: 126 [2019-10-22 08:57:51,151 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:57:51,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-22 08:57:51,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 104. [2019-10-22 08:57:51,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-22 08:57:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2019-10-22 08:57:51,159 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 22 [2019-10-22 08:57:51,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:51,159 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2019-10-22 08:57:51,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:57:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2019-10-22 08:57:51,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 08:57:51,160 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:51,160 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:51,160 INFO L410 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:51,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:51,161 INFO L82 PathProgramCache]: Analyzing trace with hash -656152713, now seen corresponding path program 1 times [2019-10-22 08:57:51,161 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:51,161 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608860894] [2019-10-22 08:57:51,161 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:51,161 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:51,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:51,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:51,288 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608860894] [2019-10-22 08:57:51,288 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:51,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:57:51,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671903474] [2019-10-22 08:57:51,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:57:51,289 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:51,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:57:51,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:57:51,289 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand 8 states. [2019-10-22 08:57:51,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:51,522 INFO L93 Difference]: Finished difference Result 146 states and 168 transitions. [2019-10-22 08:57:51,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:57:51,523 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-10-22 08:57:51,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:51,524 INFO L225 Difference]: With dead ends: 146 [2019-10-22 08:57:51,524 INFO L226 Difference]: Without dead ends: 146 [2019-10-22 08:57:51,524 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:57:51,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-22 08:57:51,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 104. [2019-10-22 08:57:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-22 08:57:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 123 transitions. [2019-10-22 08:57:51,533 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 123 transitions. Word has length 23 [2019-10-22 08:57:51,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:51,533 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 123 transitions. [2019-10-22 08:57:51,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:57:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 123 transitions. [2019-10-22 08:57:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:57:51,540 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:51,540 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:51,540 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:51,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:51,541 INFO L82 PathProgramCache]: Analyzing trace with hash 3244887, now seen corresponding path program 1 times [2019-10-22 08:57:51,541 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:51,541 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384727911] [2019-10-22 08:57:51,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:51,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:51,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:51,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:51,692 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384727911] [2019-10-22 08:57:51,692 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601487342] [2019-10-22 08:57:51,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:51,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2019-10-22 08:57:51,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:51,878 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-10-22 08:57:51,879 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:51,885 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:51,885 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:57:51,886 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-10-22 08:57:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:51,982 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:57:51,982 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2019-10-22 08:57:51,982 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613648288] [2019-10-22 08:57:51,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-22 08:57:51,983 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:51,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-22 08:57:51,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-10-22 08:57:51,983 INFO L87 Difference]: Start difference. First operand 104 states and 123 transitions. Second operand 14 states. [2019-10-22 08:57:52,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:52,632 INFO L93 Difference]: Finished difference Result 143 states and 165 transitions. [2019-10-22 08:57:52,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 08:57:52,632 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 25 [2019-10-22 08:57:52,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:52,633 INFO L225 Difference]: With dead ends: 143 [2019-10-22 08:57:52,633 INFO L226 Difference]: Without dead ends: 143 [2019-10-22 08:57:52,633 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2019-10-22 08:57:52,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-22 08:57:52,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 101. [2019-10-22 08:57:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-10-22 08:57:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 119 transitions. [2019-10-22 08:57:52,648 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 119 transitions. Word has length 25 [2019-10-22 08:57:52,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:52,648 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 119 transitions. [2019-10-22 08:57:52,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-22 08:57:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 119 transitions. [2019-10-22 08:57:52,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:57:52,649 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:52,649 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:52,849 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:52,850 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:52,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:52,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1845085759, now seen corresponding path program 1 times [2019-10-22 08:57:52,851 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:52,851 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534862721] [2019-10-22 08:57:52,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:52,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:52,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:52,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:52,988 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534862721] [2019-10-22 08:57:52,989 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:52,989 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-22 08:57:52,989 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441937035] [2019-10-22 08:57:52,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 08:57:52,990 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:52,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 08:57:52,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:57:52,990 INFO L87 Difference]: Start difference. First operand 101 states and 119 transitions. Second operand 11 states. [2019-10-22 08:57:53,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:53,518 INFO L93 Difference]: Finished difference Result 156 states and 176 transitions. [2019-10-22 08:57:53,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 08:57:53,518 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2019-10-22 08:57:53,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:53,519 INFO L225 Difference]: With dead ends: 156 [2019-10-22 08:57:53,519 INFO L226 Difference]: Without dead ends: 156 [2019-10-22 08:57:53,519 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2019-10-22 08:57:53,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-22 08:57:53,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 106. [2019-10-22 08:57:53,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-22 08:57:53,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 125 transitions. [2019-10-22 08:57:53,527 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 125 transitions. Word has length 32 [2019-10-22 08:57:53,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:53,527 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 125 transitions. [2019-10-22 08:57:53,527 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 08:57:53,527 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2019-10-22 08:57:53,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:57:53,529 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:53,529 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:53,530 INFO L410 AbstractCegarLoop]: === Iteration 7 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:53,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:53,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1845085760, now seen corresponding path program 1 times [2019-10-22 08:57:53,530 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:53,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263378606] [2019-10-22 08:57:53,530 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:53,622 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263378606] [2019-10-22 08:57:53,623 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:53,623 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-22 08:57:53,623 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265597893] [2019-10-22 08:57:53,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 08:57:53,623 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:53,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 08:57:53,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:57:53,624 INFO L87 Difference]: Start difference. First operand 106 states and 125 transitions. Second operand 9 states. [2019-10-22 08:57:53,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:53,960 INFO L93 Difference]: Finished difference Result 151 states and 173 transitions. [2019-10-22 08:57:53,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:57:53,960 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2019-10-22 08:57:53,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:53,961 INFO L225 Difference]: With dead ends: 151 [2019-10-22 08:57:53,961 INFO L226 Difference]: Without dead ends: 151 [2019-10-22 08:57:53,962 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2019-10-22 08:57:53,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-22 08:57:53,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 107. [2019-10-22 08:57:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-22 08:57:53,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2019-10-22 08:57:53,972 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 32 [2019-10-22 08:57:53,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:53,972 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2019-10-22 08:57:53,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 08:57:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2019-10-22 08:57:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 08:57:53,973 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:53,973 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:53,973 INFO L410 AbstractCegarLoop]: === Iteration 8 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:53,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:53,974 INFO L82 PathProgramCache]: Analyzing trace with hash 597087771, now seen corresponding path program 1 times [2019-10-22 08:57:53,974 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:53,974 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668712709] [2019-10-22 08:57:53,974 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,974 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 08:57:54,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668712709] [2019-10-22 08:57:54,096 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:54,096 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-22 08:57:54,097 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181892642] [2019-10-22 08:57:54,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:57:54,097 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:54,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:57:54,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:57:54,098 INFO L87 Difference]: Start difference. First operand 107 states and 126 transitions. Second operand 10 states. [2019-10-22 08:57:54,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:54,508 INFO L93 Difference]: Finished difference Result 176 states and 199 transitions. [2019-10-22 08:57:54,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 08:57:54,509 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-10-22 08:57:54,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:54,510 INFO L225 Difference]: With dead ends: 176 [2019-10-22 08:57:54,510 INFO L226 Difference]: Without dead ends: 173 [2019-10-22 08:57:54,510 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2019-10-22 08:57:54,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-10-22 08:57:54,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 108. [2019-10-22 08:57:54,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-22 08:57:54,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 127 transitions. [2019-10-22 08:57:54,515 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 127 transitions. Word has length 35 [2019-10-22 08:57:54,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:54,515 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 127 transitions. [2019-10-22 08:57:54,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:57:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 127 transitions. [2019-10-22 08:57:54,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 08:57:54,516 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:54,516 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:54,517 INFO L410 AbstractCegarLoop]: === Iteration 9 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:54,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1643614891, now seen corresponding path program 1 times [2019-10-22 08:57:54,517 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:54,518 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606671783] [2019-10-22 08:57:54,518 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:54,518 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:54,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:54,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 08:57:54,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606671783] [2019-10-22 08:57:54,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685426043] [2019-10-22 08:57:54,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:54,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-22 08:57:54,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:54,824 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:54,824 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-10-22 08:57:54,825 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:54,835 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-10-22 08:57:54,836 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 08:57:54,836 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-10-22 08:57:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:54,845 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:57:54,845 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 11 [2019-10-22 08:57:54,845 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558682065] [2019-10-22 08:57:54,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:57:54,846 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:54,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:57:54,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:57:54,846 INFO L87 Difference]: Start difference. First operand 108 states and 127 transitions. Second operand 7 states. [2019-10-22 08:57:55,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:55,176 INFO L93 Difference]: Finished difference Result 177 states and 201 transitions. [2019-10-22 08:57:55,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 08:57:55,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2019-10-22 08:57:55,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:55,177 INFO L225 Difference]: With dead ends: 177 [2019-10-22 08:57:55,177 INFO L226 Difference]: Without dead ends: 175 [2019-10-22 08:57:55,177 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2019-10-22 08:57:55,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-10-22 08:57:55,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 119. [2019-10-22 08:57:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-22 08:57:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 141 transitions. [2019-10-22 08:57:55,182 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 141 transitions. Word has length 35 [2019-10-22 08:57:55,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:55,183 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 141 transitions. [2019-10-22 08:57:55,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:57:55,183 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 141 transitions. [2019-10-22 08:57:55,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 08:57:55,183 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:55,184 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:55,387 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:55,387 INFO L410 AbstractCegarLoop]: === Iteration 10 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:55,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:55,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1643614890, now seen corresponding path program 1 times [2019-10-22 08:57:55,387 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:55,388 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757114713] [2019-10-22 08:57:55,388 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:55,388 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:55,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 08:57:55,659 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757114713] [2019-10-22 08:57:55,659 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811808960] [2019-10-22 08:57:55,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:55,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 34 conjunts are in the unsatisfiable core [2019-10-22 08:57:55,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:55,940 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:57:55,941 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-10-22 08:57:55,942 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:55,952 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:55,959 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:55,960 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-10-22 08:57:55,960 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:57:55,968 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:57:55,969 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:57:55,969 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-10-22 08:57:55,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:55,997 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:57:55,997 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 21 [2019-10-22 08:57:55,997 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707278257] [2019-10-22 08:57:55,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-22 08:57:55,997 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:55,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-22 08:57:55,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2019-10-22 08:57:55,998 INFO L87 Difference]: Start difference. First operand 119 states and 141 transitions. Second operand 22 states. [2019-10-22 08:57:57,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:57,328 INFO L93 Difference]: Finished difference Result 270 states and 310 transitions. [2019-10-22 08:57:57,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-22 08:57:57,329 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 35 [2019-10-22 08:57:57,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:57,330 INFO L225 Difference]: With dead ends: 270 [2019-10-22 08:57:57,330 INFO L226 Difference]: Without dead ends: 270 [2019-10-22 08:57:57,331 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=184, Invalid=1298, Unknown=0, NotChecked=0, Total=1482 [2019-10-22 08:57:57,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-10-22 08:57:57,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 152. [2019-10-22 08:57:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-22 08:57:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 195 transitions. [2019-10-22 08:57:57,338 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 195 transitions. Word has length 35 [2019-10-22 08:57:57,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:57,338 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 195 transitions. [2019-10-22 08:57:57,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-22 08:57:57,338 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 195 transitions. [2019-10-22 08:57:57,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 08:57:57,339 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:57,339 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:57,539 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:57,540 INFO L410 AbstractCegarLoop]: === Iteration 11 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:57,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:57,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1034010146, now seen corresponding path program 1 times [2019-10-22 08:57:57,540 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:57,541 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173806035] [2019-10-22 08:57:57,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 08:57:57,623 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173806035] [2019-10-22 08:57:57,623 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:57,623 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:57:57,623 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884433386] [2019-10-22 08:57:57,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:57:57,624 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:57,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:57:57,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:57:57,624 INFO L87 Difference]: Start difference. First operand 152 states and 195 transitions. Second operand 7 states. [2019-10-22 08:57:57,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:57,803 INFO L93 Difference]: Finished difference Result 192 states and 240 transitions. [2019-10-22 08:57:57,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:57:57,803 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2019-10-22 08:57:57,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:57,804 INFO L225 Difference]: With dead ends: 192 [2019-10-22 08:57:57,804 INFO L226 Difference]: Without dead ends: 192 [2019-10-22 08:57:57,805 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:57:57,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-10-22 08:57:57,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 156. [2019-10-22 08:57:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-10-22 08:57:57,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 198 transitions. [2019-10-22 08:57:57,810 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 198 transitions. Word has length 37 [2019-10-22 08:57:57,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:57,811 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 198 transitions. [2019-10-22 08:57:57,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:57:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 198 transitions. [2019-10-22 08:57:57,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 08:57:57,811 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:57,812 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:57,812 INFO L410 AbstractCegarLoop]: === Iteration 12 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:57,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:57,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1518146815, now seen corresponding path program 1 times [2019-10-22 08:57:57,812 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:57,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423890202] [2019-10-22 08:57:57,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:57,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 08:57:57,988 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423890202] [2019-10-22 08:57:57,988 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440721255] [2019-10-22 08:57:57,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 08:57:58,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 08:57:58,142 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:57:58,142 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 16 [2019-10-22 08:57:58,142 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887701856] [2019-10-22 08:57:58,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:58,143 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:58,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:58,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2019-10-22 08:57:58,143 INFO L87 Difference]: Start difference. First operand 156 states and 198 transitions. Second operand 4 states. [2019-10-22 08:57:58,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:58,189 INFO L93 Difference]: Finished difference Result 169 states and 211 transitions. [2019-10-22 08:57:58,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:57:58,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-10-22 08:57:58,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:58,190 INFO L225 Difference]: With dead ends: 169 [2019-10-22 08:57:58,190 INFO L226 Difference]: Without dead ends: 169 [2019-10-22 08:57:58,191 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2019-10-22 08:57:58,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-10-22 08:57:58,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 158. [2019-10-22 08:57:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-22 08:57:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 200 transitions. [2019-10-22 08:57:58,199 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 200 transitions. Word has length 37 [2019-10-22 08:57:58,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:58,199 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 200 transitions. [2019-10-22 08:57:58,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 200 transitions. [2019-10-22 08:57:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 08:57:58,200 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:58,200 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:58,403 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:58,403 INFO L410 AbstractCegarLoop]: === Iteration 13 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:58,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:58,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1785756694, now seen corresponding path program 1 times [2019-10-22 08:57:58,403 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:58,404 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020825482] [2019-10-22 08:57:58,404 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:58,404 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:58,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 08:57:58,603 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020825482] [2019-10-22 08:57:58,604 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277121990] [2019-10-22 08:57:58,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:58,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-22 08:57:58,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:58,781 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:58,781 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:57:58,782 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 16 [2019-10-22 08:57:58,782 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232114645] [2019-10-22 08:57:58,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-22 08:57:58,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:58,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-22 08:57:58,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2019-10-22 08:57:58,783 INFO L87 Difference]: Start difference. First operand 158 states and 200 transitions. Second operand 17 states. [2019-10-22 08:57:59,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:59,584 INFO L93 Difference]: Finished difference Result 235 states and 279 transitions. [2019-10-22 08:57:59,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-22 08:57:59,585 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 44 [2019-10-22 08:57:59,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:59,586 INFO L225 Difference]: With dead ends: 235 [2019-10-22 08:57:59,586 INFO L226 Difference]: Without dead ends: 235 [2019-10-22 08:57:59,586 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=593, Unknown=0, NotChecked=0, Total=702 [2019-10-22 08:57:59,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-10-22 08:57:59,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 183. [2019-10-22 08:57:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-10-22 08:57:59,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 239 transitions. [2019-10-22 08:57:59,593 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 239 transitions. Word has length 44 [2019-10-22 08:57:59,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:59,593 INFO L462 AbstractCegarLoop]: Abstraction has 183 states and 239 transitions. [2019-10-22 08:57:59,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-22 08:57:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2019-10-22 08:57:59,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 08:57:59,594 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:59,594 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:59,795 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:57:59,795 INFO L410 AbstractCegarLoop]: === Iteration 14 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:57:59,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:59,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1219385572, now seen corresponding path program 1 times [2019-10-22 08:57:59,796 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:59,796 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626916038] [2019-10-22 08:57:59,796 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:59,796 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:59,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:59,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 08:57:59,912 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626916038] [2019-10-22 08:57:59,912 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791770867] [2019-10-22 08:57:59,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:00,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-22 08:58:00,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 08:58:00,051 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:58:00,051 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 9 [2019-10-22 08:58:00,051 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275831812] [2019-10-22 08:58:00,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:58:00,053 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:00,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:58:00,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:58:00,053 INFO L87 Difference]: Start difference. First operand 183 states and 239 transitions. Second operand 10 states. [2019-10-22 08:58:00,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:00,543 INFO L93 Difference]: Finished difference Result 216 states and 274 transitions. [2019-10-22 08:58:00,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 08:58:00,543 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2019-10-22 08:58:00,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:00,544 INFO L225 Difference]: With dead ends: 216 [2019-10-22 08:58:00,545 INFO L226 Difference]: Without dead ends: 216 [2019-10-22 08:58:00,545 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2019-10-22 08:58:00,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-10-22 08:58:00,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 157. [2019-10-22 08:58:00,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-22 08:58:00,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 204 transitions. [2019-10-22 08:58:00,554 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 204 transitions. Word has length 45 [2019-10-22 08:58:00,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:00,555 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 204 transitions. [2019-10-22 08:58:00,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:58:00,555 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 204 transitions. [2019-10-22 08:58:00,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 08:58:00,556 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:00,556 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:00,756 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:00,757 INFO L410 AbstractCegarLoop]: === Iteration 15 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:58:00,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:00,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1219385573, now seen corresponding path program 1 times [2019-10-22 08:58:00,757 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:00,757 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278074083] [2019-10-22 08:58:00,757 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:00,757 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:00,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 08:58:00,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278074083] [2019-10-22 08:58:00,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426651082] [2019-10-22 08:58:00,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:01,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 27 conjunts are in the unsatisfiable core [2019-10-22 08:58:01,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 08:58:01,244 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:58:01,245 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2019-10-22 08:58:01,245 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818814839] [2019-10-22 08:58:01,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-22 08:58:01,246 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:01,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-22 08:58:01,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-10-22 08:58:01,246 INFO L87 Difference]: Start difference. First operand 157 states and 204 transitions. Second operand 20 states. [2019-10-22 08:58:02,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:02,336 INFO L93 Difference]: Finished difference Result 188 states and 237 transitions. [2019-10-22 08:58:02,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-22 08:58:02,337 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 45 [2019-10-22 08:58:02,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:02,338 INFO L225 Difference]: With dead ends: 188 [2019-10-22 08:58:02,338 INFO L226 Difference]: Without dead ends: 188 [2019-10-22 08:58:02,338 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=796, Unknown=0, NotChecked=0, Total=930 [2019-10-22 08:58:02,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-10-22 08:58:02,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 98. [2019-10-22 08:58:02,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-10-22 08:58:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2019-10-22 08:58:02,342 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 45 [2019-10-22 08:58:02,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:02,342 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2019-10-22 08:58:02,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-22 08:58:02,343 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2019-10-22 08:58:02,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 08:58:02,343 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:02,343 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:02,547 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:02,548 INFO L410 AbstractCegarLoop]: === Iteration 16 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:58:02,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:02,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1021317088, now seen corresponding path program 1 times [2019-10-22 08:58:02,548 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:02,548 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910185386] [2019-10-22 08:58:02,548 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:02,548 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:02,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 08:58:02,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910185386] [2019-10-22 08:58:02,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868905348] [2019-10-22 08:58:02,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:02,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 08:58:02,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 08:58:02,882 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:58:02,882 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8] total 20 [2019-10-22 08:58:02,882 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954719314] [2019-10-22 08:58:02,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-22 08:58:02,883 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:02,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-22 08:58:02,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2019-10-22 08:58:02,883 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 20 states. [2019-10-22 08:58:03,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:03,570 INFO L93 Difference]: Finished difference Result 168 states and 192 transitions. [2019-10-22 08:58:03,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-22 08:58:03,570 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 45 [2019-10-22 08:58:03,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:03,571 INFO L225 Difference]: With dead ends: 168 [2019-10-22 08:58:03,571 INFO L226 Difference]: Without dead ends: 168 [2019-10-22 08:58:03,571 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2019-10-22 08:58:03,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-10-22 08:58:03,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 118. [2019-10-22 08:58:03,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-22 08:58:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 134 transitions. [2019-10-22 08:58:03,575 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 134 transitions. Word has length 45 [2019-10-22 08:58:03,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:03,576 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 134 transitions. [2019-10-22 08:58:03,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-22 08:58:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2019-10-22 08:58:03,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 08:58:03,576 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:03,576 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:03,777 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:03,777 INFO L410 AbstractCegarLoop]: === Iteration 17 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:58:03,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:03,778 INFO L82 PathProgramCache]: Analyzing trace with hash 476117670, now seen corresponding path program 1 times [2019-10-22 08:58:03,778 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:03,778 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181300374] [2019-10-22 08:58:03,778 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:03,778 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:03,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 08:58:04,026 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181300374] [2019-10-22 08:58:04,026 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389479599] [2019-10-22 08:58:04,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:04,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-22 08:58:04,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:04,163 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 08:58:04,164 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:58:04,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:58:04,165 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:58:04,166 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-10-22 08:58:04,230 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-22 08:58:04,231 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:58:04,233 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:58:04,233 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:58:04,233 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-10-22 08:58:04,235 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 08:58:04,235 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:58:04,235 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7] total 18 [2019-10-22 08:58:04,235 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970236816] [2019-10-22 08:58:04,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-22 08:58:04,236 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:04,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-22 08:58:04,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2019-10-22 08:58:04,236 INFO L87 Difference]: Start difference. First operand 118 states and 134 transitions. Second operand 19 states. [2019-10-22 08:58:05,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:05,160 INFO L93 Difference]: Finished difference Result 193 states and 217 transitions. [2019-10-22 08:58:05,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-22 08:58:05,160 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 45 [2019-10-22 08:58:05,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:05,161 INFO L225 Difference]: With dead ends: 193 [2019-10-22 08:58:05,161 INFO L226 Difference]: Without dead ends: 193 [2019-10-22 08:58:05,161 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=157, Invalid=899, Unknown=0, NotChecked=0, Total=1056 [2019-10-22 08:58:05,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-10-22 08:58:05,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 139. [2019-10-22 08:58:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-22 08:58:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2019-10-22 08:58:05,167 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 45 [2019-10-22 08:58:05,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:05,167 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2019-10-22 08:58:05,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-22 08:58:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2019-10-22 08:58:05,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 08:58:05,168 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:05,168 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:05,369 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:05,369 INFO L410 AbstractCegarLoop]: === Iteration 18 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:58:05,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:05,369 INFO L82 PathProgramCache]: Analyzing trace with hash -853752565, now seen corresponding path program 1 times [2019-10-22 08:58:05,370 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:05,370 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773428803] [2019-10-22 08:58:05,370 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:05,370 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:05,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 08:58:05,739 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773428803] [2019-10-22 08:58:05,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028017050] [2019-10-22 08:58:05,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:05,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-22 08:58:05,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:05,912 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 08:58:05,912 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:58:05,913 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:58:05,914 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:58:05,914 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-10-22 08:58:05,981 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-22 08:58:05,982 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:58:05,983 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:58:05,983 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:58:05,983 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-10-22 08:58:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 08:58:05,985 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:58:05,985 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10] total 23 [2019-10-22 08:58:05,985 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982170575] [2019-10-22 08:58:05,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-22 08:58:05,985 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:05,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-22 08:58:05,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2019-10-22 08:58:05,986 INFO L87 Difference]: Start difference. First operand 139 states and 162 transitions. Second operand 24 states. [2019-10-22 08:58:07,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:07,403 INFO L93 Difference]: Finished difference Result 259 states and 302 transitions. [2019-10-22 08:58:07,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-22 08:58:07,403 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 46 [2019-10-22 08:58:07,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:07,404 INFO L225 Difference]: With dead ends: 259 [2019-10-22 08:58:07,404 INFO L226 Difference]: Without dead ends: 259 [2019-10-22 08:58:07,405 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=185, Invalid=1221, Unknown=0, NotChecked=0, Total=1406 [2019-10-22 08:58:07,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2019-10-22 08:58:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 151. [2019-10-22 08:58:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-10-22 08:58:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 185 transitions. [2019-10-22 08:58:07,411 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 185 transitions. Word has length 46 [2019-10-22 08:58:07,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:07,411 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 185 transitions. [2019-10-22 08:58:07,411 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-22 08:58:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2019-10-22 08:58:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 08:58:07,412 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:07,412 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:07,613 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:07,613 INFO L410 AbstractCegarLoop]: === Iteration 19 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_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_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-10-22 08:58:07,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:07,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1874746313, now seen corresponding path program 1 times [2019-10-22 08:58:07,613 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:07,614 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143152921] [2019-10-22 08:58:07,614 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:07,614 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:07,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:07,657 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:07,657 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:58:07,675 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-10-22 08:58:07,676 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-10-22 08:58:07,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:07 BoogieIcfgContainer [2019-10-22 08:58:07,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:07,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:07,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:07,689 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:07,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:48" (3/4) ... [2019-10-22 08:58:07,691 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 08:58:07,695 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-10-22 08:58:07,696 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-10-22 08:58:07,739 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4ab6257e-fb86-48bd-9871-e3fa22fc9c6f/bin/uautomizer/witness.graphml [2019-10-22 08:58:07,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:07,741 INFO L168 Benchmark]: Toolchain (without parser) took 21043.29 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 489.7 MB). Free memory was 939.1 MB in the beginning and 932.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 496.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:07,741 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:07,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:07,742 INFO L168 Benchmark]: Boogie Preprocessor took 109.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:07,742 INFO L168 Benchmark]: RCFGBuilder took 1084.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 944.3 MB in the end (delta: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:07,743 INFO L168 Benchmark]: TraceAbstraction took 19119.13 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 378.0 MB). Free memory was 944.3 MB in the beginning and 937.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 385.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:07,743 INFO L168 Benchmark]: Witness Printer took 51.10 ms. Allocated memory is still 1.5 GB. Free memory was 937.2 MB in the beginning and 932.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:07,745 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 674.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1084.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 944.3 MB in the end (delta: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19119.13 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 378.0 MB). Free memory was 944.3 MB in the beginning and 937.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 385.1 MB. Max. memory is 11.5 GB. * Witness Printer took 51.10 ms. Allocated memory is still 1.5 GB. Free memory was 937.2 MB in the beginning and 932.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 782]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] 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={3:0}] [L800] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L786] int i; VAL [ldv_global_msg_list={3:0}] [L787] CALL, EXPR ldv_positive() VAL [ldv_global_msg_list={3:0}] [L520] int r = __VERIFIER_nondet_int(); [L521] COND TRUE r>0 [L521] return r; VAL [\result=1, ldv_global_msg_list={3:0}, r=1] [L787] RET, EXPR ldv_positive() VAL [ldv_global_msg_list={3:0}, ldv_positive()=1] [L787] int len = ldv_positive(); [L789] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=4, \result={5:0}, ldv_global_msg_list={3:0}, malloc(size)={5:0}, size=4] [L789] RET, EXPR ldv_malloc(sizeof(struct A17*)*len) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A17*)*len)={5:0}, len=1] [L789] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L790] COND TRUE \read(**array) [L791] i=0 VAL [array={5:0}, i=0, ldv_global_msg_list={3:0}, len=1] [L791] COND TRUE i=0) VAL [\old(len)=1, array={5:0}, array={5:0}, i=0, j=-1, ldv_global_msg_list={3:0}, len=1, p={0:0}] [L777] return - -3; VAL [\old(len)=1, \result=3, array={5:0}, array={5:0}, i=0, j=-1, ldv_global_msg_list={3:0}, len=1, p={0:0}] [L794] RET alloc_17(array, len) VAL [alloc_17(array, len)=3, array={5:0}, i=1, ldv_global_msg_list={3:0}, len=1] [L795] CALL free_17(array, len) VAL [\old(len)=1, array={5:0}, ldv_global_msg_list={3:0}] [L780] int i; [L781] i=0 VAL [\old(len)=1, array={5:0}, array={5:0}, i=0, ldv_global_msg_list={3:0}, len=1] [L781] COND TRUE i